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Java developer jobs in Greenwich, CT

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  • Senior Java Developer - Heavy DevOps

    Global Systems Search Inc.

    Java developer job in Norwalk, CT

    Java Developer - Heavy DevOps (Onsite, South Norwalk CT) Type: Full-time • Permanent (No Sponsorship Available) Schedule: Onsite 5 days per week A confidential client in the security-focused software space is seeking a hands-on Java Developer with strong DevOps expertise to join their engineering team. This organization is building a suite of Zero Trust products and secure mobile/desktop applications, with the first major iOS release imminent and several follow-on components already in development. This is a high-impact hire working directly with the technical leadership team on core backend services, cloud infrastructure, secure storage frameworks, and new product iterations. Ideal for someone who thrives in a small, fast-moving environment, loves deep technical challenges, and wants to own significant architecture decisions. Responsibilities Develop and enhance Java server-side components supporting multiple security-driven applications. Build and manage a containerized cloud environment using Kubernetes and AWS (Azure acceptable). Implement multi-threaded Java services, messaging components, and high-performance backend systems. Own CI/CD pipelines, deployment automation, reliability engineering, and cloud orchestration. Contribute to architecture, performance tuning, and secure backend framework development. Collaborate closely with technical leadership to iterate on new features and expand existing product capabilities. Work fully onsite in South Norwalk, CT as part of a small engineering team. Required Experience Strong Java engineering background and significant DevOps experience - or - Deep DevOps expertise with solid Java programming capability Hands-on experience with: Kubernetes AWS (or Azure) Containerization (Docker, orchestration tooling) Multi-threading, messaging, concurrency in Java CI/CD pipelines and automation Cloud infrastructure and observability tooling Familiarity with secure application design, encryption, or Zero Trust principles is a plus. Comfort working directly with senior technical stakeholders in a high-ownership environment. Must be able to work onsite 5 days per week in South Norwalk Ideal Candidate Traits Highly intelligent, low-ego, deeply technical. Strong problem-solving skills and ownership mentality. Thrives in an early-stage, craftsmanship-oriented environment. Comfortable balancing both development and DevOps responsibilities.
    $95k-123k yearly est. 3d ago
  • Application Developer

    Medisys Health Network, Inc. 3.7company rating

    Java developer job in Hicksville, NY

    Report accurately and timely to upper management project timelines and status of projects and tickets. Actively working with development team members, architects and related team leads to identify, trial and implement requested project. Owning the processes and leading improvement of the development related activities from design through to release. Working with other team members/leads to ensure processes support the effective transition of projects into and through delivery phases. Monitor Post development/deployment support activates. Administrating Development resources as databases and servers. REQUIRED EDUCATION: BS Degree or equivalent experience REQUIRED SKILLS AND /OR EXPERIENCE: Strong knowledge .Net (VB or C#) Development background/ 3 years minimum experience Strong knowledge of web development frameworks ASPnet, MVC and cross platform frameworks Strong Knowledge of MS SQL, my SQL, SSIS and Stored Procedures Knowledge of Epic API Integration a plus Mobile Development - MAUI (preferred) Good Written/Oral Communication Skills Good Interpersonal Skills Strong Project Management Skills Good Leadership Skills Strong Knowledge of the Clinical/Hospital Environment Strong Problem Solving & Analytical Skills
    $90k-119k yearly est. 2d ago
  • Lead Web Developer

    Open Systems Technologies 4.7company rating

    Java developer job in White Plains, NY

    An insurance company is looking for a Web Developer Lead to join their team in White Plains, NY. Compensation: $150-170k Candidates must be local; no relocation (onsite 3 days/week) Frontend and Backend are equally important for this role. Responsibilities: Drive the end-to-end architecture, development, and delivery of scalable, secure web and mobile portals-including sophisticated front-end interfaces and robust back-end services Partner with cross-functional teams to deliver seamless, high-impact solutions Engineer portal capabilities for key insurance features such as policy management, claims, billing, and pension processing Embed industry-specific compliance and cybersecurity protocols, ensuring portals meet regulatory standards Lead Agile ceremonies, manage sprint cycles, conduct code reviews, and oversee CI/CD pipelines on containerized cloud platforms (AWS) Analyze customer insights, usage patterns, and performance metrics to drive continuous portal optimization Seamlessly integrate legacy systems, third-party APIs, and data sources into modern architectures Design and deploy microservices that connect internal and external systems, enabling dynamic data exchange and real-time functionality Stay at the cutting edge of web development, cloud technologies, and generative AI through ongoing research and innovation Qualifications: A Bachelor's degree in Computer Science, Information Technology, or a related discipline 7+ years of experience in web development, with at least 2 years in a lead role Strong proficiency in JavaScript, React, Angular, Node.js, and RESTful APIs Strong backend development skills in Node.js, Python, Java and databases (SQL, NoSQL) Angular, Python and Databases skills Experience with AWS or Azure, including ECS,Docker, Kubernetes, and other containerization tools Understanding of microservices, serverless architectures, and event-driven systems Understanding of cloud networking fundamentals, including VPCs, Subnets, and scalable architecture on AWS Experience in insurance operations, including claims, policy servicing, and customer support Exposure to GenAI /AI/ML services in AWS, DevOps tooling, and advanced container orchestration preferred
    $150k-170k yearly 3d ago
  • Full Stack Hedge Fund Software Engineer (Java/Angular/React)

    Focus Capital Markets

    Java developer job in Stamford, CT

    Focus Capital Markets is supporting its Connecticut-based hedge fund by providing a unique opportunity for talented a senior software engineer to work across verticals within the organization. In this role, you will assist the business by developing front-end and back-end applications, building and scaling APIs and working with the business to define technical solutions for business requirements. You will work with both sides of the stack, with a Core Java back-end (and C#/.Net) and latest versions of Angular on the front-end. . Although the organization is outside of the NYC area, it is just as lucrative and would afford someone with career stability, longevity and growth opportunity within the organization. The parent company is best of breed in the hedge fund industry and there are opportunities to grow from within. You will work onsite Monday-Thursday. Requirements: 5+ years of software engineering experience leveraging Angular on the front-end and Core Java or C# on the back-end. Experience with React is relevant. Experience with SQL is preferred. Experience with REST APIs Bachelors degree or higher in computer science, mathematics or related field. Must have excellent communication skills
    $70k-93k yearly est. 3d ago
  • Software Engineer

    JSG (Johnson Service Group, Inc.

    Java developer job in Hauppauge, NY

    JSG is hiring a Software Engineer in Hauppauge, NY. Must be a US Citizen and work onsite. Salary range: $127K-$137K - Bonus Our charter is to develop fuel measurement, management and inserting systems for commercial and defense airframers. The Software Engineering team works closely with the Systems and Electronic Hardware Engineering teams to develop, qualify and certify these technologies as products for our customers in aerospace and industrial markets. Develop embedded software using C and/or model-based tools such as SCADE Develop high level and low level software requirements Create requirements-based test cases and verification procedures Perform software integration testing on target hardware using both real and simulated inputs/outputs Analyze software requirements, design and code to assure compliance to standards and guidelines Perform traceability analysis to customer specification requirements to software code Participate in software certification audits, e.g. stages of involvement (SOI) BS in Software Engineering, Computer Engineering, Computer Science or related field 5+ years of experience performing software development, verification and/or integration Strong technical aptitude with analytical and problem-solving capabilities Excellent interpersonal and communication skills, both verbal and written Ability to work in a team environment, cultivate strong relationships and demonstrate initiative Experience with C programming language Experience with model-based software development using SCADE Experience developing embedded software control systems Experience planning and executing projects using Agile software development methodology Experience managing requirements using DOORS or DOORS Next Gen (DNG) Experience with digital signal processing or digital filter design Experience with ARM microprocessors Experience with serial communication protocols (e.g. CANbus, ARINC, RS-232) Familiarity with aerospace (e.g., DO-178, DO-330, DO-331) and/or industrial (e.g., IEC 61508) software certification requirements Familiarity with functional safety standards such as ISO 13489, IEC 61508, IEC 62061, ISO 26262 or ARP4761Software Engineer to join our team. We are looking for a candidate who has working experience designing, developing and verifying embedded software in aerospace and/or industrial applications. The candidate should be familiar with industry-standard software development and design assurance practices (such as DO-178, ISO 26262, EN 50128, IEC 61508 or IEC 62304) and their application across the entire software development lifecycle. Johnson Service Group (JSG) is an Equal Opportunity Employer. JSG provides equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, marital status, protected veteran status, or any other characteristic protected by law.
    $80k-107k yearly est. 4d ago
  • Java Software Engineer

    Marlabs LLC 4.1company rating

    Java developer job in Englewood Cliffs, NJ

    Hiring fulltime Java Developer in Englewood Cliffs, NJ- Onsite, no remote Need 10+ yrs exp Java developer with Microservices
    $68k-90k yearly est. 2d ago
  • Java With EJB JAXB Skills

    Sonsoft 3.7company rating

    Java developer job in Armonk, NY

    Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services. Job Description At least 11 years of experience in technology consulting , enterprise and solutions architecture and architectural frameworks Excellent experience in Java, J2ee, EJB, JAXWS, CDI, XML, JAXB Skills Good experience in design patterns, Architectural knowledge on Object Oriented technologies Experience in providing advanced technology advisory services. Qualifications Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education. At least 11 years of experience within the Information Technologies. Additional Information ** U.S. Citizens and those who are authorized to work independently in the United States are encouraged to apply. We are unable to sponsor at this time. This is a Full-Time / Permanent job opportunity . • •• • Only US Citizen, Green Card Holder can apply. . ** All your information will be kept confidential according to EEO guidelines.
    $64k-84k yearly est. 4h ago
  • Java Software Developer

    Opexpert

    Java developer job in Greenwich, CT

    My Client is headquartered in Greenwich, Connecticut and has over 1,200 employees in its offices in the USA, Switzerland, Canada, Hong Kong, UK, Australia, Hungary, Russia, Japan, India, China and Estonia. My Client is regulated by the SEC, FINRA, NYSE, FCA and other regulatory agencies around the world. Job Description 1. Typical projects will be focused on web server, middle-ware and back-end development and integration. 2. The majority of development will be using Java with some exposure to PL/SQL and Python. 3. Projects can also include support of Oracle database schemas, PL/SQL packages, scheduled batch processing, Java applications and servers. 4. A successful candidate must be highly analytical and adept at solving complex problems. Qualifications 1. Master's degree preferred or Bachelor's degree in Computer Science, Engineering or Mathematics 2. Strong knowledge of Object Oriented programming, Java, PL/SQL, Database design and SQL 3. 1-3 years of experience as a Java application developer 4. 1-3 years of experience with PL/SQL 5. Good knowledge of Python 6. Knowledge of UNIX/Linux 7. Knowledge of XML, JSON, CSS and HTML 8. Functional knowledge or experience with REST Web Services a plus 9. Functional Knowledge or experience with Vert.x, VueJS a plus. 10. Problem solver, attention to details, fast learner 11. Self-motivated and directed Additional Information All your information will be kept confidential according to EEO guidelines.
    $84k-109k yearly est. 3h ago
  • Java developer

    Cygnus Professionals 3.2company rating

    Java developer job in Orangeburg, NY

    Job Title: Java Developer Duration: 6+months contract Interview Type: in-person after Telephonic Design and code from specifications, analyzes, evaluates, tests, debugs, documents, and implements complex software apps - Uses coding methods in specific programming languages to initiate or enhance program execution and functionality - Participate in the evaluation, recommendation, and selection of hardware and software solutions - Perform project management of estimating, scheduling, and monitoring tasks - Performs expert-level engineering tasks associated with the analysis, design, and development of computer hardware, firmware, embedded systems, and/or operating systems - Develop, maintain, and report metrics - Interface with different departments within the organization regarding new development. - Manage, administer, and maintain pricing modules - Research/analyze data processing functions, methods and procedures - Monitor program execution for expected performance Requires a bachelor's degree in area of specialty and at least 7 years of experience in the field or in a related area - 7+ years java development - 5+ years front-end integration experience working with development teams on the deployment of web based applications (JSP, HTML, HTML5, Struts framework) Experience in network design, operational support, hands-on implementation. Experience in code reository tools such as Accurev. Experience in Websphere 6.1 and above. Additional InformationAll your information will be kept confidential according to EEO guidelines.
    $79k-100k yearly est. 60d+ ago
  • Software Developer 830068

    Capstone Search Advisors

    Java developer job in Greenwich, CT

    Fairfield County Hedge Fund is seeking a Senior Software Developer to join their Core Development which is responsible for building in-house systems and integrating and customizing third-party applications essential to the firm's operation. They are currently modernizing their proprietary on-premises systems into cloud-native, web-based solutions. This is a great opportunity for a talented backend developer to make a major impact on critical financial software used across the firm. This role Primary Responsibilities: • Build and maintain custom .NET applications including STP trade platform, portfolio management tools, and front-office modules • Drive modernization efforts by contributing to cloud and web transformation initiatives • Integrate and extend third-party platforms like Workday and Salesforce • Collaborate with business and project teams to translate requirements into scalable solutions • Troubleshoot performance issues and implement robust fixes Qualifications/Skills Required: • 7+ years in software development with C# and Web API • Strong SQL experience and relational database design • Experience with DevOps, CI/CD pipelines, Terraform, and Git • Strong academic track record with degree in Computer Science or related field • Excellent problem-solving and communication skills • Self-motivated, quick learner, and demonstrated ability for learning new technology Preferred: • Experience in Azure cloud development • Familiarity with Databricks or Snowflake • Knowledge of messaging technologies such as RabbitMQ, Kafka, or Azure Service Bus • Background in modernizing and transitioning software architecture and technology • Understanding of Workday and/or Salesforce • Front-end development experience using React • Scripting skills in Python and PowerShell • Awareness of accounting and finance fundamentals and work experience in the financial services industry • Proficiency in Excel automation including building functions, macros, and custom add-ins
    $74k-97k yearly est. 60d+ ago
  • Software Developer. Multiple Openings

    Eureka Infotech, Inc.

    Java developer job in Hicksville, NY

    Software Developer. Multiple Openings. Automate provisioning, installation, and infrastructure setup in AWS using Terraform. Develop Terraform scripts for provisioning and configuring AWS resources. Design Java web applications. Develop and configure software applications. Create and maintain database schemas. Design and implement continuous integration and delivery pipelines. Work with Spring Boot, UAT, CI/CD, Jenkins, Python, Groovy Scripts, Grafana, CloudWatch. Configure Jenkins pipelines to automate build, test, and deployment processes. Integrate pipelines with version control systems like GitLab. Design and implement end-to-end features, including user interfaces, server-side logic, and database interactions, utilizing Java frameworks such as Spring Boot and Hibernate. Optimize and implement database schemas and queries using SQL and NoSQL databases like MySQL, PostgreSQL, MongoDB, and Redis. Configure Hybris integrations to retrieve required backend data efficiently. Develop AEM components with dynamic dialogs using jQuery and JSP, improving content management system capabilities. Design resilient, secure, and high-performing platforms in the AWS public cloud, adhering to best practices. Drive the adoption of AWS services like EC2, S3, RDS, CloudFront, EKS, ECS, and CloudWatch to enhance reliability and performance. Work with Java, Python, SQL, Node.js, Go, and Scala. Leverage open-source RDBMS, NoSQL databases, Docker, and Kubernetes for container orchestration. 40 hrs/wk. Must have Master's degree or equivalent in Computer Science, Electronics Engineering, IT, or a related field (will accept a Bachelor's degree plus 5 years of progressive post baccalaureate experience in lieu of a Master's). Must have 1 year experience (or 1 year experience as Software Engineer, Devops Engineer, or related occupation). Must have 1 year experience designing Java web applications; developing and configuring software applications; creating and maintaining database schemas; designing and implementing continuous integration and delivery pipelines; working with Spring Boot, UAT, CI/CD, Jenkins, Python, Groovy Scripts, Grafana, CloudWatch. Must be willing to travel/relocate to unanticipated locations throughout the US on short notice for extended periods of time. Telecommuting permitted. Date Posted : 11/28/2025 * Email Resume To
    $79k-104k yearly est. 15d ago
  • Software Engineer

    Collabera 4.5company rating

    Java developer job in Englewood Cliffs, NJ

    Established in 1991, Collabera is one of the fastest growing end-to-end information technology services and solutions companies globally. As a half a billion dollar IT company, Collabera's client-centric business model, commitment to service excellence and Global Delivery Model enables its global 2000 and leading mid-market clients to deliver successfully in an increasingly competitive marketplace. With over 8200 IT professionals globally, Collabera provides value-added onsite, offsite and offshore technology services and solutions to premier corporations. Over the past few years, Collabera has been awarded numerous accolades and Industry recognitions including. • Collabera awarded Best Staffing Company to work for in 2012 by SIA. (hyperlink here) • Collabera listed in GS 100 - recognized for excellence and maturity • Collabera named among the Top 500 Diversity Owned Businesses • Collabera listed in GS 100 & ranked among top 10 service providers • Collabera was ranked: • 32 in the Top 100 Large Businesses in the U.S • 18 in Top 500 Diversity Owned Businesses in the U.S • 3 in the Top 100 Diversity Owned Businesses in New Jersey • 3 in the Top 100 Privately-held Businesses in New Jersey • 66th on FinTech 100 • 35th among top private companies in New Jersey *********************************************** Collabera recognizes true potential of human capital and provides people the right opportunities for growth and professional excellence. Collabera offers a full range of benefits to its employees including paid vacations, holidays, personal days, Medical, Dental and Vision insurance, 401K retirement savings plan, Life Insurance, Disability Insurance. Job Description Seeking a senior software Engineer to manage and build software solutions across company Digital Platform. The lead role requires hands-on software development skills, deep technical expertise across the entire software delivery process, from content generation to delivery. The engineer will work closely within the tech lead to bring enhancements to a reality while managing all aspects of the software development lifecycle. Required Technical & Leadership Skill Sets  BS degree or higher in Computer Science with a minimum of 7+ years of relevant, broad engineering experience is required  Possess expert knowledge in Performance, Scalability, Security, Enterprise System Architecture, and Engineering best practices.  Possess knowledge of a broad range of data structures and algorithms and know how, when and when-not to use them.  Expertise in all facets of web development including front- and backend technologies.  Experience working on large scale, high traffic web sites.  Experience working with XML, JSON and other data formats.  Experience working with XSL, Smarty, Velocity and other template engines.  Extensive experience styling web applications using CSS 2/3. Experience in SASS, LESS is a plus.  Experience building asynchronous one page web applications using Ajax, CORS.  Experience with responsive design, developing for mobile web and tablets  Experience with full LAMP stack development including server side development and client side technologies including HTML5, CSS3 and advanced Javascript Languages and Software Packages:  Languages: PHP (5.x +)  Web Technologies: XML, JSON, SOAP and RESTful web services, Smarty  Front End: jQuery, OO Javascript, HTML5, CSS3  Framework : MVC Framework like Zend or Struts/Spring  Database: RDBMS like MySQL, Oracle  Tools: SVN, Eclipse  Others: Unix shell scripting Qualifications Personal Skills:  Strong experience working with multi-site development teams.  Strong Communication skills (verbal and written) with an ability to work in a highly collaborative, multi-country/time zone environment.  Good organizational skills with the ability to track and prioritize numerous tasks.  Proactive personality with a proven track record of following through and delivering on responsibilities.  Highly adaptive and capable of being an individual contributor and working as part of an extended team. Additional Information All your information will be kept confidential according to EEO guidelines.
    $73k-98k yearly est. 3h ago
  • Full Stack .Net Software Engineer

    Bridgeline Digital, Inc. 4.5company rating

    Java developer job in Garden City, NY

    About the Role We are seeking a talented Full Stack .Net Software Engineer to join our on-site team in Garden City, NY. Bridgeline is hiring full stack engineers for roles in R&D, Services and Technical Support. Team matching is a key part of our hiring process once candidates complete initial screening and technical interviews. The ideal candidate has strong frontend and backend .Net development experience. You will play a key role in building, integrating, optimizing, and supporting our flagship site search product, HawkSearch. This position is an excellent opportunity for someone who enjoys solving complex problems, working independently and in a collaborative environment, and has a strong interest in search technologies. Responsibilities * Design, develop, and maintain API-first backend services using C# * Work closely with product and engineering teams to deliver secure, scalable, and efficient solutions. * Design new features to work with AWS services in a cost-effective, automated and scalable manner. * Support ecommerce platform integrations. * Collaborate with the infrastructure team on deployments, monitoring, and performance tuning. * Contribute to technical design discussions and help drive architectural decisions. * Write clean, maintainable, and testable code. Required Qualifications * 3+ years of professional software engineering experience. * Strong proficiency in full stack .net development * Hands-on experience with AWS * Strong understanding of APIs, microservices, and integration patterns * Solid knowledge of relational databases and/or NoSQL databases * Ability to work on-site in Garden City, NY. Strongly Desired Skills * Experience with search technologies such as: Lucene, Elasticsearch/0penSearch, Algolia, Coveo, SearchSpring, Klevu, Bloomreach. * Experience with ecommerce systems such as: BigCommerce, 0ptimizely Configured Commerce, Shopify, Magento/Adobe Commerce, WooCommerce, Shopware, Unilog. * Experience with LLM technology - model selection, prompt engineering, tuning, MCP. * Exposure to CI/CD pipelines and containerization (Docker, Kubernetes). * Strong troubleshooting and debugging skills. * Familiarity with JIRA & Confluence. * Salesforce experience is a plus. What We Offer * Competitive salary and benefits package. * Collaborative, growth-oriented work environment. * Opportunity to work with modern technologies and contribute to impactful projects.
    $84k-113k yearly est. 25d ago
  • Software Developer - .NET

    Orion Innovation 3.7company rating

    Java developer job in Montvale, NJ

    Orion Innovation is a premier, award-winning, global business and technology services firm. Orion delivers game-changing business transformation and product development rooted in digital strategy, experience design, and engineering, with a unique combination of agility, scale, and maturity. We work with a wide range of clients across many industries including financial services, professional services, telecommunications and media, consumer products, automotive, industrial automation, professional sports and entertainment, life sciences, ecommerce, and education. Summary: * Full stack Developer experienced in Angular 10+, TypeScript, .NET Core, C#, Azure SQL * Proficiency working in Angular SPA applications * Experience in Server-side technologies like .Net Core to build RESTful web services * Experience working with cloud technologies and services; Azure preferred * Experience delivering serverless cloud solutions using PAAS model * Experience using Azure App Service, Azure SQL, Service Bus, API Gateway Management, etc. * Experience writing SQL Stored Procedures, Functions and ability to troubleshoot performance issue with SQL queries. * Exposure to Microservices design patterns like pub/sub messaging, synchronous/asynchronous communication, etc. * Experience with distributed version control systems Azure DevOps/Git * Any Azure cloud certification from Microsoft preferred * Experience or exposure to Agile development methodology * Act with integrity, professionalism, and personal responsibility to uphold the firm's respectful and courteous work environment. Orion is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, creed, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, citizenship status, disability status, genetic information, protected veteran status, or any other characteristic protected by law. Candidate Privacy Policy Orion Systems Integrators, LLC and its subsidiaries and its affiliates (collectively, "Orion," "we" or "us") are committed to protecting your privacy. This Candidate Privacy Policy (orioninc.com) ("Notice") explains: * What information we collect during our application and recruitment process and why we collect it; * How we handle that information; and * How to access and update that information. Your use of Orion services is governed by any applicable terms in this notice and our general Privacy Policy.
    $80k-104k yearly est. 23d ago
  • Software Engineer - Early Career (USA)

    Trexquant Investment 4.0company rating

    Java developer job in Stamford, CT

    Job Description Trexquant is a growing systematic fund at the forefront of quantitative finance, with a team of world-class researchers and engineers. As we continue to expand our trading operations, we are investing heavily in building the next generation of our quantitative research & trading platform. We are seeking an Early Career Software Engineer with strong programming skills to join our engineering team. In this role, you will work closely with experienced engineers and quantitative researchers to develop the infrastructure that powers systematic trading, including data pipelines, back testing tools, and execution systems. You will have the opportunity to contribute to greenfield development projects, where you'll help build new systems from the ground up, driving innovation and scalability in our technology stack. Responsibilities Full lifecycle development of low-latency, high-throughput research and trading systems using C++, C, Java, or Rust Build and optimize data processing pipelines to ensure reliable access to large, high-quality datasets. Assist in developing tools for back testing, model training, and strategy evaluation. Collaborate with researchers and traders to deliver technical solutions that improve research productivity and trading performance. Participate in code reviews, testing, and documentation to maintain high-quality standards. Stay abreast of emerging technologies, tools, and best practices, bringing innovative ideas to continuously improve our systems. Requirements BS/MS degree in Computer Science, or a related STEM field Strong knowledge of data structures, algorithms, and object-oriented programming. Proficiency in one or more programming languages: C++, C, Python, Java, or Rust. Familiarity with Linux environments Excellent problem-solving skills and ability to learn quickly in a collaborative team setting. Benefits Competitive salary plus bonus based on individual and company performance. Collaborative, casual, and friendly work environment. PPO health, dental, and vision insurance premiums fully covered for you and your dependents. Pre-tax commuter benefits. Weekly company meals. Trexquant is an Equal Opportunity Employer.
    $77k-109k yearly est. 7d ago
  • Associate Software Developer (Python)

    Flextrade Systems 3.8company rating

    Java developer job in Great Neck, NY

    FlexTrade Systems is a provider of customized multi-asset execution and order management trading solutions for buy- and sell-side financial institutions. Through deep client partnerships with some of the world's largest, most complex and demanding capital markets firms, we develop the flexible tools, technology and innovation that deliver our clients a competitive edge. Our globally distributed engineering teams focus on adaptable technology and open architecture to develop highly sophisticated trading solutions that can automate and scale with your business strategies. At FlexTrade, we hold our values close to heart, with pride and gratitude, as they guide us in everything that we do. We are dedicated to giving our clients a competitive edge, taking ownership of our responsibilities, being flexible to adapt to ever changing environment and technology, bringing integrity to ever interaction and we continue to improve, grow together and collaborate as one team. All of these while having fun truly makes FlexTrade a wonderful place to work. The Team You will be part of a small close-knit team of engineers that work in an Agile and collaborative fashion to build performant software that sits at the core of FlexTrade's business. Working in close collaboration with client-facing teams you will design and develop solutions for complex customer problems raised and assist teams in moving changes to production. About You You will be working on the FlexDATA product, which is responsible for managing and visualising historical and real time client data. The core parts of FlexDATA are a data ingress pipeline, database, API's and a web-app frontend. We are looking for someone who is passionate about data and self-motivated and take ownership of tasks from start to finish. This role will be a mixture of developing and maintaining features whilst also doing product support.
    $80k-100k yearly est. 45d ago
  • Java developer

    Cygnus Professionals 3.2company rating

    Java developer job in Orangeburg, NY

    Job Title: Java Developer Duration: 6+months contract Interview Type: in-person after Telephonic Design and code from specifications, analyzes, evaluates, tests, debugs, documents, and implements complex software apps - Uses coding methods in specific programming languages to initiate or enhance program execution and functionality - Participate in the evaluation, recommendation, and selection of hardware and software solutions - Perform project management of estimating, scheduling, and monitoring tasks - Performs expert-level engineering tasks associated with the analysis, design, and development of computer hardware, firmware, embedded systems, and/or operating systems - Develop, maintain, and report metrics - Interface with different departments within the organization regarding new development. - Manage, administer, and maintain pricing modules - Research/analyze data processing functions, methods and procedures - Monitor program execution for expected performance Requires a bachelor's degree in area of specialty and at least 7 years of experience in the field or in a related area - 7+ years java development - 5+ years front-end integration experience working with development teams on the deployment of web based applications (JSP, HTML, HTML5, Struts framework) Experience in network design, operational support, hands-on implementation. Experience in code reository tools such as Accurev. Experience in Websphere 6.1 and above. Additional Information All your information will be kept confidential according to EEO guidelines.
    $79k-100k yearly est. 3h ago
  • Software Developer

    Eureka Infotech, Inc.

    Java developer job in Hicksville, NY

    Software Developer. Multiple Openings. Gather requirements and work with design, analysis, modeling, code development, testing and production rollout. Support production systems and supply immediate investigation and resolution of software problems. Design and support environments in DEV, DIT. Ensure the architectural design is in compliance with the IT methodologies and client requirements. Coordinate with DBA, Development and Management teams to ensure the Database and development work is going along with the code. Deploy applications into Continuous integration environments like Jenkins to integrate and deploy code on CI environments for development testing. Create and execute manual test cases/scenarios, performs tests including functional ,integration, and regression performance. Design, build, develop, and execute manual/automated test scripts. Write unit tests using frameworks TestNG & JUnit and, used Mockito to mock objects as part of testing. Work with QA for testing and resolving defects in different level of application cycle such as DEV, QA, and PROD. Work with JAVA, design patterns-Singleton, Factory, DAO, DTO prototype, Composite View, NodeJS, typescript, angular CLI, SQL, JIRA, GitHub, GitLab, Maven, Ant, Jenkins.40 hrs/wk. Must have Bachelor's degree or equivalent in Computer Science, Electronics Engineering, or a related field. Must have 1 year experience (or 1 year experience as in a related occupation). Must have 1 year experience gathering requirements and with analysis, design, modeling, testing and development; working with design patterns-Singleton, Factory, DAO, DTO prototype, Composite View, NodeJS, Java, typescript, angular CLI. Must be willing to travel/relocate to unanticipated locations throughout the US on short notice for extended periods of time. Email resume to
    $79k-104k yearly est. 37d ago
  • Software Engineer

    Collabera 4.5company rating

    Java developer job in Englewood Cliffs, NJ

    Established in 1991, Collabera is one of the fastest growing end-to-end information technology services and solutions companies globally. As a half a billion dollar IT company, Collabera's client-centric business model, commitment to service excellence and Global Delivery Model enables its global 2000 and leading mid-market clients to deliver successfully in an increasingly competitive marketplace. With over 8200 IT professionals globally, Collabera provides value-added onsite, offsite and offshore technology services and solutions to premier corporations. Over the past few years, Collabera has been awarded numerous accolades and Industry recognitions including. • Collabera awarded Best Staffing Company to work for in 2012 by SIA. (hyperlink here) • Collabera listed in GS 100 - recognized for excellence and maturity • Collabera named among the Top 500 Diversity Owned Businesses • Collabera listed in GS 100 & ranked among top 10 service providers • Collabera was ranked: • 32 in the Top 100 Large Businesses in the U.S • 18 in Top 500 Diversity Owned Businesses in the U.S • 3 in the Top 100 Diversity Owned Businesses in New Jersey • 3 in the Top 100 Privately-held Businesses in New Jersey • 66th on FinTech 100 • 35th among top private companies in New Jersey *********************************************** Collabera recognizes true potential of human capital and provides people the right opportunities for growth and professional excellence. Collabera offers a full range of benefits to its employees including paid vacations, holidays, personal days, Medical, Dental and Vision insurance, 401K retirement savings plan, Life Insurance, Disability Insurance. Job Description Seeking a senior software Engineer to manage and build software solutions across company Digital Platform. The lead role requires hands-on software development skills, deep technical expertise across the entire software delivery process, from content generation to delivery. The engineer will work closely within the tech lead to bring enhancements to a reality while managing all aspects of the software development lifecycle. Required Technical & Leadership Skill Sets  BS degree or higher in Computer Science with a minimum of 7+ years of relevant, broad engineering experience is required  Possess expert knowledge in Performance, Scalability, Security, Enterprise System Architecture, and Engineering best practices.  Possess knowledge of a broad range of data structures and algorithms and know how, when and when-not to use them.  Expertise in all facets of web development including front- and backend technologies.  Experience working on large scale, high traffic web sites.  Experience working with XML, JSON and other data formats.  Experience working with XSL, Smarty, Velocity and other template engines.  Extensive experience styling web applications using CSS 2/3. Experience in SASS, LESS is a plus.  Experience building asynchronous one page web applications using Ajax, CORS.  Experience with responsive design, developing for mobile web and tablets  Experience with full LAMP stack development including server side development and client side technologies including HTML5, CSS3 and advanced Javascript Languages and Software Packages:  Languages: PHP (5.x +)  Web Technologies: XML, JSON, SOAP and RESTful web services, Smarty  Front End: jQuery, OO Javascript, HTML5, CSS3  Framework : MVC Framework like Zend or Struts/Spring  Database: RDBMS like MySQL, Oracle  Tools: SVN, Eclipse  Others: Unix shell scripting Qualifications Personal Skills:  Strong experience working with multi-site development teams.  Strong Communication skills (verbal and written) with an ability to work in a highly collaborative, multi-country/time zone environment.  Good organizational skills with the ability to track and prioritize numerous tasks.  Proactive personality with a proven track record of following through and delivering on responsibilities.  Highly adaptive and capable of being an individual contributor and working as part of an extended team. Additional Information All your information will be kept confidential according to EEO guidelines.
    $73k-98k yearly est. 60d+ ago
  • Full Stack .Net Software Engineer

    Bridgeline 4.5company rating

    Java developer job in Garden City, NY

    About the Role We are seeking a talented Full Stack .Net Software Engineer to join our on-site team in Garden City, NY. Bridgeline is hiring full stack engineers for roles in R&D, Services and Technical Support. Team matching is a key part of our hiring process once candidates complete initial screening and technical interviews. The ideal candidate has strong frontend and backend .Net development experience. You will play a key role in building, integrating, optimizing, and supporting our flagship site search product, HawkSearch. This position is an excellent opportunity for someone who enjoys solving complex problems, working independently and in a collaborative environment, and has a strong interest in search technologies. Responsibilities Design, develop, and maintain API-first backend services using C# Work closely with product and engineering teams to deliver secure, scalable, and efficient solutions. Design new features to work with AWS services in a cost-effective, automated and scalable manner. Support ecommerce platform integrations. Collaborate with the infrastructure team on deployments, monitoring, and performance tuning. Contribute to technical design discussions and help drive architectural decisions. Write clean, maintainable, and testable code. Required Qualifications 3+ years of professional software engineering experience. Strong proficiency in full stack .net development Hands-on experience with AWS Strong understanding of APIs, microservices, and integration patterns Solid knowledge of relational databases and/or NoSQL databases Ability to work on-site in Garden City, NY. Strongly Desired Skills Experience with search technologies such as: Lucene, Elasticsearch/0penSearch, Algolia, Coveo, SearchSpring, Klevu, Bloomreach. Experience with ecommerce systems such as: BigCommerce, 0ptimizely Configured Commerce, Shopify, Magento/Adobe Commerce, WooCommerce, Shopware, Unilog. Experience with LLM technology - model selection, prompt engineering, tuning, MCP. Exposure to CI/CD pipelines and containerization (Docker, Kubernetes). Strong troubleshooting and debugging skills. Familiarity with JIRA & Confluence. Salesforce experience is a plus. What We Offer Competitive salary and benefits package. Collaborative, growth-oriented work environment. Opportunity to work with modern technologies and contribute to impactful projects.
    $84k-113k yearly est. 24d ago

Learn more about java developer jobs

How much does a java developer earn in Greenwich, CT?

The average java developer in Greenwich, CT earns between $69,000 and $113,000 annually. This compares to the national average java developer range of $68,000 to $114,000.

Average java developer salary in Greenwich, CT

$88,000

What are the biggest employers of Java Developers in Greenwich, CT?

The biggest employers of Java Developers in Greenwich, CT are:
  1. TEKWISSEN
  2. Cooperidge Consulting Firm
  3. Natwest Group Holdings Corporation
  4. Jobsbridge
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