Front end developer jobs in South Portland, ME

ONLY LOCAL TO BOSTON, MA In-Person Interview is a must! No Corp-to-Corp - no vendors! Job Title: Senior Java Full Stack Developer Interview Process: 3 Rounds: 2 virtual, 1 on site with live coding and meet the team We are seeking a highly skilled Senior Java Developer with expertise spanning both middle-tier server development (50%) and presentation-tier development (50%). You will work end-to-end-from front-end user interfaces through to database/OOM layers-delivering robust, high-performance web applications. Key Responsibilities Collaborate with Business Analysts to translate business requirements into technical designs. Develop, test, and maintain high-quality source code across the full stack. Create and execute unit tests; support functional and system integration testing. Participate in deployment activities and production support when needed. Design and integrate application components for seamless interoperability. Ensure solutions meet performance, scalability, maintainability, and security standards. Required Qualifications Bachelor's degree in Computer Science, Engineering, or related field. 5+ years developing web-based applications using Java/J2EE technologies. Strong experience with: Core Java (multi-threading, Executor framework). Spring, Spring MVC, Hibernate, MyBatis. RESTful web services development and integration. JavaScript, JSP, CSS, HTML, Angular, and modern JS libraries (e.g., jQuery). AJAX, XML/XSLT, and JSON. Application servers: JBoss, Apache, Tomcat. SQL database design, stored procedures, and performance optimization. Experience building and deploying microservices in AWS Experience using GitHub Copilot in Agent mode to assist with Java development. Ability to create cross-browser, cross-platform compatible solutions. Strong understanding of web application security best practices.

Our client is looking for an experienced AWS DevOps engineer consultant who is fluent in managing enterprise multi-region AWS deployment utilizing Terraform and GitOps. This resource is expected to contribute to a current high priority AWS migration project immediately. The successful candidate will collaborate with the client's Infrastructure Engineering team. Responsibilities:Develop greenfield backend services using Java 17/21 on AWS Lambda Enhance existing applications using Java 17 and Spring Boot on ECS Fargate Interact with Oracle databases using SQL and PL/SQL Develop new front-end pages with HTLM, CSS, Bootstrap and AJAX Enhance existing front ends using Thymleaf, HTML, CSS and AJAX Write thorough, correct unit tests using Junit and Mockito Deploy code using Jenkins Modify IaC using Terraform Interact with end users to determine requirements Minimum Requirements / Education:Bachelor's Degree Strong proficiency in Java 17/21 Experience working with Oracle databases Experience building front ends using HTLM, CSS, Bootstrap and AJAX Experience writing Unit tests with Junit and Mockito Exposure to AWS Lambda and ECS Fargate Excellent Communication skills Highly adaptable and resilient under pressure Independent worker able to clear their own blocks Nice to Have:Experience with HTMX Experience with Terraform

Fullstack Developer Boston, MA (3 days onsite in a week) Longterm Contract Job Description for Dev Engineer (Boston only): HTML 5 - Must CSS 3 - Must Tailwind CSS - Must JavaScript (ES6+) - Must TypeScript - Must React.js - Must State Management Context API - Must Redux/Zustand - Good to have shadcn/ui - Good to have recharts - Good to have NPM/YARN/PNPM - Must Next.js - Must MySQL - Must or PostgreSQL or any SQL is fine Drizzle ORM - Good to have Redis - Good to have Node.js - Must Express.js/Koa.js - Must REST APIs - Must Authentication (JWT, OAuth2.0) - Must Version control (Git) - Must Shell script/Bash script - Good to have Docker - Good to have CI/CD - Good to have Turbo monorepo - Good to have Winston logging/Morgan logger middleware - Good to have Jest/Axios/Node-cron/ESLint - Good to have Prompt Engineering - Must Github Copilot - Good to have AI tools hands-on - LLM, AI agents - Good to have

The Full Stack Developer will play a key role in designing, building, and maintaining modern web applications that support critical business operations. This role involves hands-on development across front-end and back-end technologies, contributing to cloud and on-premises environments, and partnering with cross-functional teams to deliver scalable, high-quality software solutions. PRIMARY RESPONSIBILITIES Application Engineering Develop, enhance, and maintain web applications using C#, ASP.NET, and modern JavaScript frameworks. Work across single-page and traditional MVC structures, integrating with databases, APIs, and external platforms. DevOps & Delivery Enablement Support automation, deployment, and monitoring activities through CI/CD pipelines. Collaborate closely with infrastructure and operations teams to strengthen application stability, performance, and delivery processes across hybrid environments. Code Quality & Testing Perform unit and integration testing, contribute to code reviews, and diagnose application issues to ensure software reliability and maintainability. Systems Integration & SaaS Adoption Build and maintain integrations with third-party solutions, cloud tools, and SaaS applications that expand the organization's technical capabilities. Innovation & Prototyping Create proof-of-concepts and experimental workflows to explore emerging technologies and support continuous improvement initiatives. Technical Documentation Produce clear documentation, reference guides, and training materials to support internal users and promote consistent knowledge sharing. Production Support Participate in an on-call rotation to provide timely support for production applications and ensure system uptime. Cross-Functional Collaboration Work with business analysts, IT partners, and project teams to translate functional requirements into effective technical designs and deliverables. QUALIFICATIONS Bachelor's degree in Computer Science, Software Engineering, or a related discipline. 4-6 years of professional full stack development experience Strong proficiency with C# and the .NET framework. Hands-on experience with ASP.NET, Entity Framework, and REST API development. Understanding of MVC patterns; experience is a plus. Exposure to Node.js and modern front-end frameworks (React, Angular, Vue.js) preferred. Solid background in SQL and relational database concepts. Experience deploying and supporting applications in Azure; familiarity with AWS or on-premises environments is beneficial. Working knowledge of Git, CI/CD processes, and Agile methodologies. Experience with containerization tools such as Docker or Kubernetes is advantageous. Strong analytical, communication, and problem-solving abilities. Ability to work independently as well as in a team setting. Detail-oriented with a collaborative and growth-focused approach.

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired by a collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Role- Role- Java Developer Job Description- We are seeking a skilled and versatile Full Stack Developer to join our dynamic team. The ideal candidate will have strong proficiency in both front-end and back-end technologies, database management, and DevOps practices. You will be responsible for designing, developing, and maintaining scalable web applications and services. Key Responsibilities: 7+ years' experience in Developing and maintain responsive front-end interfaces using HTML, CSS, JavaScript, and frameworks like React or Angular. Design and implement REST/SOAP APIs and microservices architecture. Manage and optimize databases including SQL Collaborate with cross-functional teams to ensure seamless integration and deployment using CI/CD pipelines, Docker, and Git. Participate in code reviews, testing, and debugging to ensure high-quality deliverables. Required Skills & Qualifications: Proven experience in full stack development. Strong understanding of front-end and back-end technologies. Hands-on experience with API development and microservices. Proficiency in database design and management. Familiarity with DevOps tools and practices. Excellent communication, teamwork, and problem-solving skills. Self-driven with a strong sense of accountability and ownership. Life at Capgemini: Capgemini supports all aspects of your well-being throughout the changing stages of your life and career. For eligible employees, we offer: • Flexible work • Healthcare including dental, vision, mental health, and well-being programs • Paid time off and paid holidays • Paid parental leave • Family building benefits like adoption assistance, surrogacy, and cryopreservation • Social well-being benefits like subsidized back-up child/elder care and tutoring • Mentoring, coaching and learning programs • Employee Resource Groups • Disaster Relief About Capgemini: Capgemini is a global leader in partnering with companies to transform and manage their business by harnessing the power of technology. The Group is guided every day by its purpose of unleashing human energy through technology for an inclusive and sustainable future. It is a responsible and diverse organization of over 360,000 team members in more than 50 countries. With its strong 55-year heritage and deep industry expertise, Capgemini is trusted by its clients to address the entire breadth of their business needs, from strategy and design to operations, fueled by the fast-evolving and innovative world of cloud, data, AI, connectivity, software, digital engineering, and platforms. The Group reported global revenues of €22 billion in 2022. Get The Future You Want | ***************** Salary Transparency Capgemini discloses salary range information in compliance with state and local pay transparency obligations. The disclosed range represents the lowest to highest salary we, in good faith, believe we would pay for this role at the time of this posting, although we may ultimately pay more or less than the disclosed range, and the range may be modified in the future. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. At Capgemini, it is not typical for an individual to be hired at or near the top of the range for their role. The base salary range for the tagged location is $115000 to 120000/ year. This role may be eligible for other compensation including variable compensation, bonus, or commission. Full time regular employees are eligible for paid time off, medical/dental/vision insurance, 401(k), and any other benefits to eligible employees. Note: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, commission, or any other form of compensation that are allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company's sole discretion, consistent with the law. Disclaimer: Capgemini is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status, or any other characteristic protected by law. This is a general description of the duties, responsibilities, and qualifications required for this position. Physical, mental, sensory, or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodations do not pose an undue hardship. For more information on your rights as an applicant, please refer to the relevant Equal Employment Opportunity notice. Applicants for employment in the US must have valid work authorization that does not now and/or will not in the future require sponsorship of a visa for employment authorization in the US by Capgemini. ************************************************

About the Role We are seeking a Senior .NET Developer to join a highly skilled engineering team focused on solving complex, high-impact technical challenges. This role involves building, maintaining, and enhancing enterprise-grade systems that support critical business functions. You'll work across multiple teams, partner with key stakeholders, and help drive initiatives that improve performance, scalability, and reliability across the technology stack. What You'll Do Design, develop, and maintain applications and services using .NET technologies (C#, ASP.NET, Web API). Troubleshoot and resolve complex technical issues across APIs, databases, and services. Collaborate with cross-functional teams including business users, product owners, and other engineers to deliver high-quality solutions. Participate in system modernization and integration projects to enhance data processing, automation, and performance. Contribute to architecture discussions, best practices, and continuous improvement initiatives. Mentor junior engineers and promote engineering excellence across the team. What You Bring Bachelor's degree in Computer Science, Computer Engineering, or a related field. 7+ years of professional software development experience, ideally in enterprise or financial environments. Strong proficiency in .NET / C# development, REST APIs, and relational databases (SQL Server, Oracle, etc.). Solid understanding of software engineering principles, system design, and performance optimization. Experience working in complex, data-driven environments and integrating with multiple systems. Strong analytical, problem-solving, and communication skills. Experience with financial systems or trading platforms is a plus, but not required. Why Join Us You'll be part of a collaborative team that values innovation, continuous learning, and technical excellence. This is a chance to work on impactful projects that directly support key business operations in a fast-paced, growth-oriented environment.

***Local Candidates Only*** This role focuses on designing, developing, analyzing, and testing .NET-based solutions that power key systems across the whole enterprise. Success in this position requires the ability to understand complex business processes and translate them into simple, efficient, and scalable technical solutions. A strong foundation in integrating data between on-prem, hosted, and cloud applications is essential to support seamless enterprise data flow. Responsibilities Build, enhance, and maintain high-quality software applications using the Microsoft .NET Framework Utilize Visual Studio, C#, X++, and SQL Server while applying best practices in Microsoft DevOps Analyze and troubleshoot existing programs to improve performance and resolve issues; design and implement effective solutions for problematic code Partner with business users to gather and refine requirements, serving as a technical advisor for developing system management tools and process improvements Offer recommendations for software tools, upgrades, or enhancements that support business and technical objectives Requirements Minimum of 3-5 years of software development experience within a manufacturing environment Strong proficiency in MS Visual Studio, .NET Framework, and WinForms development Experience with Dynamics 365 -including X++ and LLBLGen Pro a plus Proficient in writing and optimizing SQL Server stored procedures and data modeling Ability to design scalable applications and create database schemas aligned with business processes Effective communicator with the ability to work both independently and collaboratively in a team environment

Front-End/UI Developer, Analytics InnovationTeam Altman Solon is a strategy consulting group that focuses exclusively on the telecommunications, media and technology (TMT) related sectors. As the largest TMT strategy consulting group in the world, we assist clients in fast, high-impact, confident decision making. We enable clients to seize new opportunities, improve performance, and increase shareholder value within complex and converging industries. Duties and Responsibilities We are looking for a skilled Front End/UI Developer to join our development team. You should be comfortable working in an agile environment and taking ownership of multiple tasks to help us scale and build platforms. You will thrive in this role if you enjoy crafting intuitive user interfaces, optimizing performance across the stack, and collaborating with cross-functional teams to deliver impactful solutions for sophisticated network operators. Responsibilities include: * Designing and implementing responsive, user-friendly interfaces using modern front-end frameworks (e.g., React, Angular, or Vue) * Building and maintaining scalable APIs and service layers as part of a full stack architecture * Collaborating with product management and Analytics team members to translate user requirements into elegant, functional solutions * Participating in rapid prototyping and iterative development cycles * Ensuring performance, accessibility, and cross-browser compatibility across the platform * Contributing to product planning and sprint reviews with actionable insights and ideas Qualifications We seek a versatile developer with a strong foundation in front-end technologies and experience across the stack. You should have a passion for clean design, intuitive user experiences, and scalable architecture. Ideal candidates will bring a mix of creativity, technical depth, and a collaborative mindset. Required Skills and Experience: * Proficiency in JavaScript/TypeScript and modern front-end frameworks (React, Angular, or Vue) * Strong grasp of UI/UX principles, with proficiency in modern design and prototyping tools including Figma * Experience with RESTful APIs, Node.js, and server-side development (e.g., Express, Java, or Python) * Familiarity with version control systems (e.g., Git) and CI/CD pipelines * Understanding of responsive design, accessibility standards, and performance optimization * Experience working with relational databases (e.g., PostgreSQL) and cloud platforms (e.g., AWS, Azure) * Strong communication skills and ability to work effectively in agile teams * Bachelor's degree in Computer Science, Engineering, or equivalent work experience * 3+ years of professional development experience Location: Boston, New York, Los Angeles, San Francisco, or Remote (requires minimum 4 hour overlap with US East Coast time zone) Compensation: $150k + bonus Please note, we are unable to provide sponsorship for employment visa status for this role. Please see below for additional information regarding sponsorship: * If your responses regarding your work authorization and/or sponsorship needs are inconsistent between your application and the information you provide us at any point thereafter, Altman Solon reserves the right to discontinue consideration for employment. (E.g. if you note in your application that you do not require sponsorship, but upon receiving an offer you inform the firm that you will require sponsorship at any point, the firm reserves the right to discontinue consideration for employment.) * Please note: both H1-B and TN are visas that require employer sponsorship

Jobs Bridge Inc is among the fastest growing IT staffing / professional services organization with its own job portal. Jobs Bridge works extremely closely with a large number of IT organizations in the most in-demand technology skill sets. Job Description Skill Front End Developer Location Boston, MA Total Experience 1 yrs. Max Salary Not Mentioned Employment Type Direct Jobs (Full Time) Domain Any Description OPT and EAD can apply The Role An exceptional Front End Developer with web-based application development, HTML5/JS, major HTML5 framework (e.g. Angular, Ember, React, Backbone) experience is required for this exciting role in a rapidly growing company! As a senior member of the Application Development team you will play a key role in our transition to next generation web based application standards (HTML5/CSS3/ES2015). Play a lead role in researching and implementing next-generation HTML5 frameworks. Mock-up, design and implement complex, yet intuitive, user interface layouts. Develop creative new techniques to visualize large, complex data sets. Collect and document requirements from internal staff and client subject matter experts. Manipulate and transform data using Javascript, Java, SQL, and dynamic scripting languages. Front End Development Experience with web-based application development. Experience with HTML5/JS and experience with a major HTML5 framework (e.g. Angular, Ember, React, Backbone) Proven track record of delivering quality, easy to use web based software. Deep understanding of object oriented coding and design patterns. Experience with service oriented architectures and design concepts. Experience with Tomcat or other Java-based middleware is a plus. Energy industry experience or experience in equities/commodities trading is a plus. Additional Information Multiple Openings

We're a close-knit team comprised of creative, strategic, and technical minds -- meaning you'll collaborate with all departments to make our client campaigns a success. We take our work seriously, but not ourselves. We pride ourselves on finding and building new solutions to meet our clients needs. And we do it with a dash of flair! Job Description Alipes is seeking a contractor for front-end development support for work on two national campaigns. The term of the contract would be a minimum of six weeks of daily on-site support, with an opportunity for longer-term engagement. Potential for remote support if qualifications warrant. Key Responsibilities Working with our strategy and design teams to build, maintain, and enhance modern web applications and traditional web sites, including building fully responsive sites from wireframes Developing special interactive features of websites using standards-compliant technologies Qualifications Required Qualifications Expertise in HTML, JavaScript, and CSS3 Proficiency in implementing responsive designs Proficiency in jQuery Intermediate or better PHP skills Experience with a CSS-preprocessor, preferably Compass/SCSS Experience with a major MV* JavaScript framework, preferably Backbone Familiarity with data manipulation and some knowledge of SQL and WordPress Familiarity with Git Working knowledge of Photoshop and Illustrator Nice to have Understanding and familiarity with CrownPeak Additional Information Compensation This is a contract position. Salary will be commensurate with experience and qualifications. Alipes is an equal opportunity employer. Your application should include: Resume Cover letter indicating your interest Links to relevant work along with a description of your involvement

Please, review and apply for this position through the QCI system following the link below (Copy and Paste): http://bit.ly/1FSTq3X *You can apply through Indeed using mobile devices with this link. Job Description No Sponsorship/Visa's Our client, an extremely well funded and rapidly growing Cambridge start-up is looking for a Front End Developer (UI) with a strong design background. You will be working with small teams of exceptional software engineers to design, build, and deploy a world-class cyber security SaaS platform. Their A-round of funding is one of the largest in Boston to date and the current management team has had three large and successful exits that created tremendous value for employees and shareholders. This is a unique opportunity to join a well-run start-up that has a patented idea addressing an untapped market with billions in revenue. The team has ties to MIT and their concept has been validated by the NSF. Requirements of the Front-End Developer (UI): JavaScript/jQuery experience HTML5/CSS3 development SQL Background in UI/UX design Desire to work in a fast-paced start-up environment Ability to do rapid prototyping as well as production-quality code Creative approach to problem solving, innovation and issue resolution Self-motivated with a high degree of analytical ability Desired experience of the Front-End Developer (UI): Data visualization Python/Django WebGL, Datatables, Highcharts, D3.js Security software development experience a plus Additional Information All your information will be kept confidential according to EEO guidelines. Please, review and apply for this position through the QCI system following the link below (Copy and Paste): http://bit.ly/1FSTq3X *You can apply through Indeed using mobile devices with this link.

Are you looking to unlock your full potential? Are you bored working for a large corporation with no autonomy? Are you ready to join a small tight -knit company where you can make a real difference? Interware Development Company is seeking an enthusiastic, motivated software engineering who has a talent for developing cutting edge software solutions across multiple platforms. Your responsibilities would include UI design, the development and maintenance of our web sites, and the development of new mobile applications. Must have a passion for learning and teaching yourself new technologies, programming languages, and platforms. Requirements Primary Skills and Experience: UI development C#, .Net Framework, .Net Core Web development using ASP.NET MVC JavaScript, jQuery, Bootstrap, JSON, CSS, SCSS, XML, HTML5 Experience using or creating API's (REST, Web services, SOAP/HTML) 3 -5+ years in software development BS in Computer Science, Computer Engineering or equivalent field or equivalent experience The ideal candidate will demonstrate the following: Excellent verbal and written communication skills High attention to detail Ability to work well with others, particularly cross -functional team members Problem Solving Creativity Open, customer focused mindset The ability to effectively deal with change Additional Valuable Experience SQL Telerik or other component libraries Mobile app development using Xamarin Experience publishing applications to Apple and Android Agile/SCRUM

Mindlance is a national recruiting company which partners with many of the leading employers in the Life Sciences, IT, and Financial Services sectors, feel free to check us out at ************************* One of our Govt. client working in the IT domain is recruiting for a “ Front End Wed Designer/ Developer” . The duration of the assignment is expected to be 12+ months (duration extension depends on client business needs). After reviewing your resume I think your skills and experience could be a great fit for this job opportunity. Below are some key highlights of the position. I will be happy to fix a time (at your convenience) to discuss the job in detail. Feel free to provide me with the appropriate contact number along with the best time for me to call you. Job Description We are looking for a Front-End Web Designer/Developer who is motivated to combine the art of design with the art of programming. This developer works well as a member of a multi-disciplinary team communicating with Project Managers, Analysts, Back-End Developers, and QA. Additionally the Front-End Developer maintains awareness and skill in emerging trends and technologies bringing new ideas and possibilities to the project team. Responsibilities: Work alongside Java and .NET development teams to produce rich client experiences and visually appealing and intuitive interfaces Use a combination of markup languages to write web pages that integrate with backend Java and .Net code Assist in the selection, implementation, and design of templates for a CSS framework. Build for cross-browser, cross-platform, and cross-device compatibility Build fully responsive websites/applications Maintain a high awareness of industry trends and technologies with regards to front-end development. Promote usability best practices Collaborate with other team members and stakeholders Qualifications Required Skills and Qualifications: 4-6 years of front end development experience 4-6 years hands-on experience in HTML, CSS, JavaScript and jQuery 3+ years of Experience with Front-end frameworks like Bootstrap or Foundation 2+ years of development experience with at least one of the JavaScript UI frameworks like Angular, Ember, React, etc. Basic understanding of back-end programming architecture and technologies 1+ year of experience designing and developing responsive and mobile friendly web applications Hands-on experience with graphic design (Illustrator, Photoshop) Experience building standards/guides to maintain consistency in brand and design Experience with developing accessible interfaces for people with disabilities Proficient understanding of cross-browser compatibility issues and ways to work around them Ability to write high-performance, reusable code for UI components Additional Information If you or anyone from your network is open for such roles; do contact me on ************ or send updated resume on aakashs@mindlance(dot)com

**Our Purpose** _Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential._ **Title and Summary** Lead Front End Developer - Agentic AI Platform About Mastercard Mastercard is a global technology company in the payments industry, connecting billions of consumers, financial institutions, merchants, governments, and businesses worldwide. We are driving the future of commerce by enabling secure, simple, and smart transactions. Artificial Intelligence is at the core of our strategy to make Mastercard stronger and commerce safer, smarter and more personal. Overview At Mastercard, we're building an Agentic AI platform to transform how our products and services deliver intelligent, personalized experiences. We are looking for a skilled Lead Front-End Developer to create intuitive, accessible, and engaging user interfaces that connect users seamlessly to AI-powered capabilities. You'll be responsible for turning design concepts into interactive, production-ready experiences that align with Mastercard's design standards and deliver exceptional usability. As a Lead Front-End Developer, you will design, develop, and optimize the platform's user-facing components. You will work closely with UX designers, backend engineers, and AI engineers to ensure the platform's interface is both visually appealing and functionally robust, following Mastercard's brand and design guidelines. Key Responsibilities - Front End Development - Build and enhance responsive, user-friendly interfaces for the Agentic AI platform using modern front-end frameworks (e.g., React, Angular, or Vue.js). - Design System Alignment - Implement Mastercard's design guidelines, ensuring brand consistency, accessibility, and usability across the platform. - Integration - Connect front-end interfaces to backend services and APIs, ensuring efficient data flow and dynamic interactions. - Performance Optimization - Ensure fast load times, smooth interactions, and scalable design for a variety of devices and browsers. - Testing & Quality Assurance - Write unit and integration tests and participate in code reviews to maintain high-quality standards. - Continuous Improvement - Stay up to date with emerging front-end technologies and best practices to enhance platform capabilities. All About You: - Strong proficiency in HTML5, CSS3, JavaScript/TypeScript, and one or more modern front-end frameworks (React preferred). - Experience implementing responsive and accessible web applications (WCAG compliance). - Familiarity with RESTful APIs and integrating front-end with backend services. - Understanding of UI/UX principles and ability to collaborate effectively with designers. - Knowledge of version control tools (e.g., Git) and CI/CD workflows. - Experience working with design systems or component libraries. - Passion for delivering clean, maintainable, and scalable code. Why Join Us? At Mastercard, you'll help shape the future of AI in global commerce-solving complex problems at scale, enabling financial inclusion, and ensuring the security and trust that define our brand. \#AI2 Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. **Corporate Security Responsibility** All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: + Abide by Mastercard's security policies and practices; + Ensure the confidentiality and integrity of the information being accessed; + Report any suspected information security violation or breach, and + Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. **Pay Ranges** Arlington, Virginia: $150,000 - $254,000 USD Austin, Texas: $130,000 - $221,000 USD Boston, Massachusetts: $150,000 - $254,000 USD Purchase, New York: $150,000 - $254,000 USD Seattle, Washington: $150,000 - $254,000 USD

Creates efficient and logical databases for clients. Designs and codes superior technical solutions. Easily recognizes system deficiencies and implements effective solutions. Creates and executes project work plans and revises as appropriate to meet changing needs and requirements. Conducts effective progress evaluations in a timely manner. Seeks and participates in development opportunities above and beyond required training. Suggests areas for improvement in internal processes along with possible solutions. Leads internal teams/task forces. Actively contributes to corporate knowledge base. Challenges others to develop as leaders while serving as a role model. Creates efficient and logical databases for clients. Designs and codes superior technical solutions. Easily recognizes system deficiencies and implements effective solutions. Creates and executes project work plans and revises as appropriate to meet changing needs and requirements. Conducts effective progress evaluations in a timely manner. Seeks and participates in development opportunities above and beyond required training. Suggests areas for improvement in internal processes along with possible solutions. Leads internal teams/task forces. Actively contributes to corporate knowledge base. Challenges others to develop as leaders while serving as a role model. Strong programming/development and coding skills. A minimum of two years of experience with ColdFusion (with some MX experience), C#, SQL, PL\SQL, and Oracle v9 or higher. 1- 2 years' developer experience using Perl, HTML coding, Javascript, and UNIX is a plus. Oracle experience to include queries, tuning, creating tables and stored procedures. Internet Information Services (ISS) and Microsoft Visual Studio a plus. Skills & Requirements Strong programming/development and coding skills. A minimum of two years of experience with ColdFusion (with some MX experience), C#, SQL, PL\SQL, and Oracle v9 or higher. 1- 2 years' developer experience using Perl, HTML coding, Javascript, and UNIX is a plus. Oracle experience to include queries, tuning, creating tables and stored procedures. Internet Information Services (ISS) and Microsoft Visual Studio a plus.

Metabolon seeks a Web Developer to own and evolve our global digital presence and marketing infrastructure. This role blends full-stack web development expertise with marketing integration and analytics oversight to create seamless digital experiences, enhance data-driven decision-making, and enable commercial success. The ideal candidate is an expert-level WordPress developer who thrives at the intersection of technology, design, and business impact-combining front-end craftsmanship, back-end integration, and strategic digital optimization. Responsibilities Web Development & Optimization • Oversee and optimize Metabolon's global WordPress website (expert-level proficiency), ensuring top performance, scalability, and brand consistency across all regions. • Build and customize pages using the Divi Framework and a wide range of plugins, leveraging HTML, CSS, JavaScript, and PHP for advanced functionality and styling. • Ensure robust site performance, accessibility, and compliance with best-in-class UX and design standards. • Implement and maintain technical search engine optimization (SEO) best practices, including schema markup, site speed optimization, canonicalization, redirects, and structured data improvements. • Manage multilingual site deployment and localization strategy using Weglot, ensuring regional SEO optimization and content accuracy. • Collaborate with sales, marketing, and regional teams to deliver localized, high-performing web experiences. • Stay current with SEO, analytics, and front-end development trends to evolve Metabolon's digital ecosystem. Systems Integration & eCommerce • Oversee the marketing technology stack (CMS, MAS, CRM, DAM) and ensure seamless data integration across platforms such as Salesforce, Marketo, WordPress, Auth0, and FedEx APIs. • Manage and enhance Shopify eCommerce functionality, ensuring a seamless user experience and reliable order flow. • Support UTM and campaign tracking, ensuring accurate performance measurement and attribution. • Plan and execute SEO-driven projects involving content mapping and domain authority retention. Digital Strategy, Analytics & Enablement • Lead A/B testing, conversion rate optimization (CRO), and UX improvements to drive engagement and form completions. • Use SEMrush, Google Search Console, and GA4 to monitor performance, track rankings, and identify growth opportunities. • Build and maintain Looker Studio dashboards to visualize KPIs, web performance, and lead-generation metrics. • Drive new organic traffic and leads by discovering untapped keyword opportunities and developing content to rank in the SERPs. • Partner with internal stakeholders to align digital infrastructure with brand strategy, content initiatives, and lead generation goals. • Support paid search, SEO, and digital advertising initiatives (Google Ads, LinkedIn Campaign Manager, etc.). • Assist with developing and managing the annual marketing technology and web budgets. Qualifications • Bachelor's degree in Marketing, Computer Science, or relevant area. • 7+ years of professional web development experience with expert proficiency in HTML, CSS, JavaScript, and PHP (Python experience a plus). • Expert-level experience with WordPress and the Divi Framework, including plugin management and custom theme development. • Strong understanding of Shopify, Salesforce, Marketo, and other marketing automation systems. • Proven success in technical SEO, CRO, and analytics-driven optimization. • Hands-on experience with SEMrush, GA4, Google Search Console, and Looker Studio. • Strong database knowledge (MySQL, PostgreSQL, etc.) and experience with modern frameworks such as React, Angular, or Django. • Familiarity with Adobe Creative Suite and digital asset management tools. • Excellent project management and organizational skills, with the ability to manage multiple priorities in a fast-paced environment. • Exceptional communication skills and ability to translate technical concepts into business impact. • Collaborative mindset with a customer-first orientation and strong empathy for user needs. About Us Metabolon, Inc., is the global leader in revealing biological insights on disease state and physiological reactions in the present time through metabolomics. Leveraging one of the world's most diverse and rich patient data sets, Metabolon is equipped to deliver biologically relevant evidence to address some of the most difficult and pressing questions in the life sciences. Every day, our work is helping to accelerate research and product development success in the biopharma, population health, consumer products, agriculture, wellness, and academic research sectors. Metabolon was founded in 2000 and is headquartered in Research Triangle Park, North Carolina with an international headquarters in Germany. For more information, please visit ****************** Metabolon is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected status prohibited under Federal, State, or local laws. All employment decisions are based on valid job‐related requirements.

Full Stack Web Developer (Microsoft) The Company MembersFirst, based in Wayland, Massachusetts, is an award-winning web design and marketing agency and the leading provider of member-interactive, mobile, reservation, and marketing software for the Private Club industry (Golf & Country, Health & Fitness, Yacht, City & Dining.) The Role We are looking for a versatile full-stack web developer to maintain and enhance our web-based content management system built on a Microsoft Stack with a combination of ASP and ASP.Net technologies. We are looking for someone who can work with existing code bases as well as creating new frameworks/applications for internal and external clients to consume The ideal candidate would have the skills necessary to make a visually appealing user interface with a highly functional back end. This individual will be capable of coding in both ASP using VB Script and C# in the .Net Framework as well as possessing expert knowledge on the database side, managing tables, stored procedures, and views on a Microsoft SQL Server database. Responsibilities: Maintain quality and ensure responsiveness of applications. Collaborate with the rest of the R&D and Products teams to design and launch new features and products. Assist members of the Client Services team as we investigate bugs in determining a resolution. Collaborate with internal stakeholders to create efficiencies to improve workflows and processes Create and maintain windows services as well as web service endpoints to support and expand our product and client offerings Maintain and expand our suite of APIs, Web Services and Integrations built on a Microsoft Stack using the .Net Framework Maintain quality and ensure responsiveness of applications. Qualifications: 5 - 8 years full stack development experience using Microsoft-centric Technologies (ASP / Asp.Net). Strong web development skills (i.e. HTML5, CSS, JavaScript, cross-browser support and responsive design) Experience consuming third party services (internal or external) Experience collaborating with teams, as well as taking ownership of individual assignments. Understanding and implementation of security and data protection. Working knowledge of database design and ability to create scalable applications Experience working with enterprise level SaaS applications 1 or more years of VB Scripting experience, in either task automation or web development using ASP. Experience working with graphic designers and converting designs to visual elements. Sought out by others for advice and solutions based on strong decision quality. Enjoys learning on the fly. Learns quickly when facing new problems; analyzes both successes and failures for clues to improvement; enjoys the challenge of unfamiliar tasks. Strong perseverance: pursues everything with energy, drive, and a need to finish; seldom gives up before finishing. Strong technical learning: is good at learning new industry, company, product, or technical knowledge. Strong time management: uses time effectively and efficiently concentrating efforts on most important priorities. Desired Qualifications:: Familiarity with Web Services or creating APIs Familiarity with Online Reservation platforms/process Key Languages/Technologies Utilized: C# (Asp.Net/Web Services) VB Script (Classic ASP) JSON SQL Javascript (AJAX, jQuery, etc) Bootstrap CSS HTML ADO and ADO.Net XML and XSL Transformations Business Unit:MembersFirst Scheduled Weekly Hours:40 Number of Openings Available:1 Worker Type:Regular More About Jonas Software: Jonas Software is the leading provider of enterprise management software solutions to the Country and Golf Clubs, Foodservice, Construction, Fitness & Sports, Attractions, Salon & Spa, Education, Radiology/Laboratory Information Systems, and Product Licensing industries. Within these vertical markets, Jonas is made up of over 65 distinct brands, which are respected and leaders within their own domain. Jonas' vision is to be the branded global leader across the aforementioned vertical markets and to be recognized by customers and respective industry stakeholders as the trusted provider of ‘Software for Life' and as an ambassador for technology, product innovation, quality, and customer service. Jonas Software is the valued technology partner of over 60,000 customers worldwide in more than 30 countries. Jonas employs over 2,000 skilled individuals consisting of a cross-section of industry experts and technology professionals. Jonas is headquartered in Canada and also operates offices throughout North America, the United Kingdom, Europe, Australia New Zealand and Africa. Jonas is a 100% owned subsidiary of Constellation Software Inc., headquartered in Toronto and traded on the S&P/TSX 60. Is This You ?

Web Developer/Web Admin(Remote work Possibility) Duration: 6+ months Qualifications: Expert level HTML5, CSS, and JavaScript development skills Strong foundation with Drupal and WordPress Content Management Systems, including custom module development Full knowledge/understanding of the LAMP stack, preferably Ubuntu or CentOS Proficient in cross-browser testing, with working knowledge of browser abilities/limitations Proven experience in Mobile Web and Responsive Design/Development Proven knowledge of RESTful interfaces Experience working with Amazon AWS Cloud infrastructure a plus (EC2, RDS, S3, CloudFront, etc) Experience working with Adobe Photoshop documents (PSDs) is preferred Prior consulting or client service delivery experience is a plus Good understanding of Software Development Life Cycle and Methodologies Experience working in an Agile environment Excellent written and verbal communication skills Required: BS in Computer Science or equivalent work experience Development experience with Web or Mobile application technologies Description: We are seeking an experienced Full-Stack Web Developer with a proven ability to create and maintain high performance, CMS-driven websites for both internal and external clients. Strong foundation in Drupal and WordPress Content Management Systems is a must. Bonus points for those with PSD to HTML layout experience - double bonus points for those with Responsive Design/Development experience. Position is part-time (contract) with little or no travel required. You should be located near either our Waltham, MA or Gainesville, FL offices for occasional office visits and collaboration, but can work remotely otherwise. Responsibilities: Design, develop and maintain custom Drupal/WordPress websites Produce HTML5 layouts from PSDs using responsive design/development Create custom modules which integrate server-side APIs using JSON, XML and other RESTful interfaces Work with IT system administrators to maintain a multi-region, auto-scaling hosting environment within the Amazon AWS cloud infrastructure Qualifications Expert level HTML5, CSS, and JavaScript development skills Strong foundation with Drupal and WordPress Content Management Systems, including custom module development Full knowledge/understanding of the LAMP stack, preferably Ubuntu or CentOS Proficient in cross-browser testing, with working knowledge of browser abilities/limitations Proven experience in Mobile Web and Responsive Design/Development Proven knowledge of RESTful interfaces Experience working with Amazon AWS Cloud infrastructure a plus (EC2, RDS, S3, CloudFront, etc) Experience working with Adobe Photoshop documents (PSDs) is preferred Prior consulting or client service delivery experience is a plus Good understanding of Software Development Life Cycle and Methodologies Experience working in an Agile environment Excellent written and verbal communication skills Additional Information

Join Esri's ArcGIS Flight team and help shape the future of drone technology for mapping and analytics. Our Android apps empower users to plan, control, and capture high-quality imagery and video from drones, delivering critical data for industries and missions around the world. As a Software Developer, you'll collaborate with a talented, cross-functional team of engineers, product managers, and designers to create intuitive, high-performance mobile experiences that integrate cutting-edge Android and drone technologies. You'll have the opportunity to gain valuable industry experience in UAS / drones, one of the fastest-growing technologies in the geospatial software world. Your work will involve exciting challenges such as real-time drone control, autonomous mission planning, and seamless integration with ArcGIS mapping tools, all while writing clean, scalable, and maintainable code. If you are passionate about building a complex drone control app for the best imagery product in the world, join us! Responsibilities Collaborate with the team to design, develop, and enhance the ArcGIS Flight Android app Implement features that connect drones to powerful mapping and analytics workflows Work with modern Android frameworks, Jetpack libraries, KMP, and Kotlin best practices Contribute to code reviews, testing, and continuous improvement of our development process Implement unit tests to ensure baseline quality in all releases Requirements 2+ years of commercial Android software development experience Strong math skills, especially related to trigonometry and geometry Understanding of algorithms and design patterns Experience working with REST services and/or 3rd party SDK's Bachelor's degree in computer science, engineering, mathematics, or related field Recommended Qualifications Experience building spatial/mapping applications or software components Experience with Android Jetpack Compose Experience with KMP Familiarity with ArcGIS platform Experience with ArcGIS Maps SDK Experience developing software for drones Experience developing apps with Swift Experience working with remote teams #LI-JH4 #LI-Hybrid