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Senior software engineer jobs in Greenwich, CT

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  • Contact Center Software Specialist / Five9 Administrator

    IMCS Group 3.9company rating

    Senior software engineer job in Stamford, CT

    Hi Jobseekers, Hope you are doing good. Please go through the below and I would humbly request you to apply with your latest resume. Our goal is not to just submit your profile but to secure an interview for you. If this email/Job Description has reached out to you in error, please accept my sincere apologies and disregard the email. Notify us via email, and we'd immediately remove you from consideration. Job Title: Contact Center Software Specialist / Five9 Administrator Location - Stamford, CT Contract Implement, troubleshoot, and support the Five9 contact center software solutions in a wide array of configurations and customer environments. Diagnoses problems accurately and works to find appropriate solutions in a timely manner. Identifies underlying causes of a problem, including problem identification and classification. Design, implement and automate large-scale distributed systems (enterprise-grade platform services). Administering call routing, IVRs, disaster recovery solutions (requirements) in environments such as Five9, Nice, etc. Partner with customers to optimize the Five9 call center software solution. Continually seek opportunities to increase customer satisfaction and strengthen client relationships by interacting effectively at all levels of the client organization. Conducts preliminary business scan before customers' business hours and every post-maintenance ensuring readiness and uptime of service after every update. Will be cognizant of all known service outages and will maintain awareness of post-maintenance/software product changes that could impact customers. Will work cross-functionally in a customer-facing capacity and coordinate with internal organizations. Thanks & Regards Shankar Singh Senior Recruiter E: *********************** 9901 East Valley Ranch Parkway Suite 3020 Irving, Texas - 75063
    $76k-103k yearly est. 3d ago
  • Application Developer

    Medisys Health Network, Inc. 3.7company rating

    Senior software engineer 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. 1d ago
  • Principal Software Engineer (Embedded Systems)

    Fustis LLC

    Senior software engineer job in Norwalk, CT

    Position Type: Full-Time / Direct Hire (W2) Salary: $200K+ base + 13% bonus Experience Required: 10-20 years Domain: Industrial Automation & Robotics Work Authorization: US Citizen or Green Card Interview Process: 2× Teams Interviews → Onsite Interview (expenses paid) “How Many Years With” (Candidate Screening Section) C: C++: RTOS: Embedded Software Development: Device Driver Software Development: Job Description We are seeking a Principal Software Engineer - Embedded Systems to join a high-performance engineering team building next-generation industrial automation and robotics platforms. This role blends hardware, firmware, real-time systems, machine learning components, and high-performance automation into one of the most technically challenging environments. The ideal candidate is passionate about writing software that interacts directly with real machines, drives motion control, solves physical-world problems, and contributes to global-scale automation systems. This role is hands-on, impact-driven, and perfect for someone who wants to see their code operating in motion - not just in a console. Key Responsibilities Design, implement, and optimize embedded software in C/C++ for real-time control systems. Develop and maintain real-time operating system (RTOS)-based applications. Implement low-latency firmware, control loops, and motion-control algorithms. Work with hardware teams to integrate sensors, actuators, and automation components. Architect scalable, high-performance embedded platforms for industrial robotics. Develop device drivers, board support packages (BSPs), and hardware abstraction layers. Own full lifecycle development: requirements → design → implementation → testing → deployment. Develop machine-learning-based modules for system categorization and algorithm organization (experience helpful, not required). Build real-time monitoring tools, diagnostics interfaces, and system health analytics. Troubleshoot complex hardware/software interactions in a real-time environment. Work closely with electrical, mechanical, and controls engineers. Participate in code reviews, architectural discussions, and continuous improvement. Required Qualifications Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, or related field (Master's a plus). 10-20 years professional experience in: C and C++ programming Embedded Software Development RTOS-based design (e.g., FreeRTOS, QNX, VxWorks, ThreadX, etc.) Control systems and real-time embedded environments Strong experience with: Device driver development Board bring-up and hardware interfacing Debugging tools (oscilloscopes, logic analyzers, JTAG, etc.) Excellent understanding of: Memory management Multithreading Interrupt-driven systems Communication protocols (UART, SPI, I2C, CAN, Ethernet) Preferred Qualifications Experience with robotics, motion control, industrial automation, or safety-critical systems. Exposure to machine learning integration in embedded platforms. Experience in high-precision or high-speed automation workflows. Target Industries / Domains Ideal candidates may come from: Medical Devices Semiconductor Equipment Aerospace & Defense Industrial Control Systems Robotics & Automation Machinery & Mechatronics Appliances & Devices Embedded Consumer or Industrial Electronics
    $200k yearly 4d ago
  • Senior DevOps Technical Lead

    Top Prospect Group

    Senior software engineer job in White Plains, NY

    Are you a seasoned technical leader who loves bridging product vision and engineering execution? We're looking for a Senior Technical Lead to drive agile delivery, architecture, and DevOps strategy-without getting lost in the admin work. FT Hybrid-2 days a week on site, rest remote in Westchester, NY 160-180K, plus Benefits Big plus if you come from a coding background-will not be doing coding now though Agile Sprint, Infrastructure Automation, End-to-End Design, DevOps, Leadership, CI/CD Pipelines, Cloud We're looking for a Senior Technical Lead to guide end-to-end delivery across our engineering platform. You'll combine technical architecture, DevOps leadership, and agile delivery expertise to ensure scalable, secure, and reliable solutions. This is a hands-off coding role - but you must come from a strong software engineering background to effectively lead conversations, evaluate design decisions, and steer project execution. What You'll Do Architecture & DevOps Leadership Design scalable, secure cloud-native architectures (web, mobile, backend). Drive CI/CD pipelines, infrastructure as code (Terraform, ARM), and observability improvements. Own the DevOps roadmap and work with development & infrastructure teams to boost reliability and speed. Agile Delivery & Execution Lead Agile sprint cycles, backlog prioritization, and estimation processes. Maintain structured backlogs (GitHub Projects) and coordinate engineering tasks for timely delivery. Facilitate sprint planning and delivery reviews with cross-functional teams. Product & Stakeholder Collaboration Translate product initiatives into actionable technical requirements. Provide technical feasibility insights during roadmap planning. Serve as a key bridge between engineering and product teams to ensure alignment and clarity. Required: Bachelor's or Master's in Computer Science, Engineering, or related field, or equivalent experience. 7+ years of experience in technical architecture, DevOps, or infrastructure delivery roles. Strong background in coding/software engineering (must understand the code to lead the work). Expertise with Azure, CI/CD, Terraform/ARM, and GitHub. Proficiency with PowerShell/Bash scripting. Experience managing multiple Agile sprints and backlogs simultaneously. Preferred: Azure Solutions Architect Expert or related certifications. Experience with GitHub Projects and GitHub Actions. Background in product-facing engineering or technical program management. Knowledge of cloud cost optimization, security, and compliance best practices.
    $97k-141k yearly est. 3d ago
  • Senior Software Architect and Engineer Trading Systems

    Luxoft

    Senior software engineer job in New City, NY

    Project Description: The project is based on developing and operating inter-dealer marketplace, which is an innovative platform that provides users with fast, efficient price discovery and electronic execution. Compensation 9k-11k USD per month Responsibilities: - Design and develop critical backend trading system components such as the matching engine, order routing and credit calculation component - Collaborate with the CEO/Product Owner and the Senior Business Analyst/Product Manager to design new enhancements to the trading platform - Triage critical production issues and provide rapid response during trading system incidents as part of the level 3 response team Mandatory Skills Description: 10+ years developing production software in Java 5+ years developing electronic trading front end application covering one or more of the following asset classes: equities, FX, options, or fixed income - Design and develop efficient, defect-free code under tight time constraints - Exceptional analysis and triage of real-time production systems - Clear, concise and accurate written communication skills - Strong work ethic and an entrepreneurial spirit; thrive in a high-pressure environment Qualifications - Bachelor of Science, Master of Science or equivalent degree in computer science, computer engineering Nice-to-Have Skills Description: 2+ years working as a software engineer in a start-up environment 2+ years developing software using the Genesis low-code environment 3+ years developing systems deployed in Amazon Web Services Languages: English: C1 Advanced
    $115k-154k yearly est. 2d ago
  • Senior Dotnet Developer

    Idexcel 4.5company rating

    Senior software engineer job in Montvale, NJ

    Develop, debug, test, and deploy new and existing applications Help to ensure that developed application solutions satisfy business and technical requirements and that standard testing procedures have been followed Design, construct, implement and support client-facing software that meets the business requirements Perform software construction, unit testing and debugging; software construction may include the preparation of new software, reuse of existing code, modification of existing programs, or integration of purchased solutions Interface with internal and external technical staff to define application solutions and resolve problems as needed Design and develop custom solutions in a SharePoint environment using SharePoint Object Model, C#.net, JQuery, Visual Studio, Team Foundation Server, SQL Server Stored Procedures, and SQL Server Analysis Services (SSAS) Act with integrity, professionalism, and personal responsibility to uphold the firm's respectful and courteous work environment. Qualifications: Minimum 10 year of experience in .NET web application development Bachelors degree in from an accredited college/university or equivalent work experience Experience in user interface and design of web based products Knowledge of Object-Oriented Principles, Patterns and Practices and knowledge of Agile (Scrum) software development methodologies and leading practices
    $93k-120k yearly est. 1d ago
  • Software Quality & Operations Efficiency Engineer

    Aetrex, Inc. 4.6company rating

    Senior software engineer job in Teaneck, NJ

    Aetrex is the global leader in foot scanning technology. Our very latest scanner, Albert, was created over several years by a team of leading engineers and programmers and represents a major advance in technology for consumers and retailers alike. This revolutionary 3D system joins Aetrex's fleet of renown foot scanners, including Gaitway, Nova and Eclipse. The Aetrex technology development team consists of a diverse group of programmers that work together to create exciting User Interface and Experience for our customers. For over 20 years we have developed software for scanners and mobile devices that have helped millions of people experience relief from unnecessary foot pain. AlbertOS is a new, groundbreaking operating system that runs the Albert and Gaitway scanning devices and can be easily operated using simple voice or touch commands. Albert captures unmatched data and information about feet, enabling consumers to make more educated buying decisions when it comes to footwear and orthotic purchases. We're hiring a Software Quality & Operations Efficiency Engineer to join our team! This dual-focused role requires an individual who can tackle the complete automation of our software testing suite and improve the operational efficiency of the software in the field. The ideal candidate will bridge the gap between technical support and quality assurance. Key Responsibilities: I. Software Quality & Automation Framework Development Design, build, and maintain robust, scalable test automation frameworks. Develop and execute automated tests for both UI and APIs (e.g., Selenium WebDriver and Postman), integrating these into Testing frameworks. Participate in new software release testing cycles, providing critical technical feedback to the development team. II. Operational Efficiency & Tooling Develop, maintain, and execute powerful scripts (e.g., PowerShell, Bash) to automate routine system diagnostics, support tasks, and operational workflows. Create small internal tools using coding experience (Python experience is a major asset) to enhance diagnostic capabilities and streamline support processes. Document all testing, support, and automation processes clearly using tools like Confluence and manage workflow in Jira. III. Technical Support Resolve technical issues, providing effective, timely support to customers via phone, email, and remote sessions, with a strong emphasis on the Windows OS environment. Utilize SQL and database knowledge (including MySql) to perform complex data querying and analysis, ensuring data integrity during troubleshooting. Monitor and troubleshoot applications deployed on AWS cloud services, demonstrating foundational knowledge of EC2, S3, and CloudWatch. Requirements: 5+ years in Software Testing, Operations Monitoring, Technical Support, Help Desk, Quality Assurance or comparable technical role. Hands-on experience with a frontend testing tool (Selenium Web Driver/Playwright/TestSprite, etc) and a backend testing tool (Postman/SoapUI, etc). Strong proficiency in scripting (e.g., PowerShell, Bash). PowerShell is highly preferred. Solid understanding and hands-on experience with SQL for querying and troubleshooting. In-depth knowledge of Windows Operating Systems and associated configurations/troubleshooting. Familiarity with AWS Cloud Services: Practical experience troubleshooting or monitoring applications deployed on Amazon Web Services (AWS), including foundational knowledge of services like EC2, S3, or CloudWatch. Demonstrated ability to manage testing protocols and improve operations efficiency in a software environment. Excellent organizational skills, including the ability to generate clear reports and diligently manage follow-up tasks. Experience with a programming language; Python experience is a major asset.
    $73k-102k yearly est. 4d ago
  • AV Systems Programmer

    AV Pros Ny 4.3company rating

    Senior software engineer job in Hicksville, NY

    At AV Pros NY, we design, engineer, and integrate advanced audiovisual and technology systems for commercial, corporate, educational, and entertainment environments. Our team is passionate about delivering reliable, intuitive, and high-performance AV solutions that empower people to connect, communicate, and collaborate. We are seeking a skilled, hands-on AV Systems Programmer to join our growing engineering team in Hicksville, NY. The ideal candidate will have a strong background in AV programming, troubleshooting, and control systems integration, along with a passion for creating seamless, user-friendly experiences. Key Responsibilities Programming & Integration Program, test, and deploy AV control systems using Crestron, Q-SYS and Extron platforms. Develop automation code to ensure stable, efficient, and intuitive system operation. Design and implement network-based AV and AV-over-IP systems for commercial and enterprise environments. Build clean, user-focused graphical interfaces (GUIs) aligned with AV Pros NY design standards. Integrate UC platforms (Teams, Zoom, Webex), codecs, digital signage, and BYOD systems. Commissioning, Testing & Support Commission and validate newly installed AV systems, ensuring all components perform to design intent. Perform in-house and onsite testing, troubleshooting, and system verification. Utilize tools such as Crestron XIO Cloud and Q-SYS Reflect for monitoring and system management. Deliver end-user training, documentation, and quick-start guides for seamless adoption. Conduct preventive maintenance and implement updates to enhance performance and reliability. Collaboration & Documentation Collaborate with Project Managers, Design Engineers, and Field Technicians to transform system designs into fully functional programs. Produce and maintain accurate system documentation, including source code, configurations, and GUI screenshots. Write functional narratives and daily task reports for internal and client records. Mentor junior programmers and help establish company-wide programming standards. Innovation & R&D Burn-in programming in R&D Lab, test code and GUI functionality in a controlled environment. Develop and refine standard programming templates and commissioning workflows. Participate in testing new AV and network automation solutions. Networking Responsibilities Collaborate with the networking team to ensure secure, optimized connectivity across AV environments throughout the installation cycle. Qualifications Experience 5-10 years of experience in professional AV programming, commissioning, and integration. Proven expertise in Crestron, Q-SYS and Extron programming environments. Strong understanding of AV system design, signal flow, and networked AV (AV-over-IP). Experience with UC platforms, audio DSP configuration, and enterprise-level AV/IT systems. Experience programming and deploying Unifi network devices preferred. Education Certifications (Preferred) Crestron Certified Programmer Q-SYS Level 2 or higher Dante Level 1 & Level 2 CTS, CTS-I, or CTS-D Extron Control Professional Certification Nice to Have Bachelor's degree in Computer Science, Electrical Engineering, Audio Engineering, or related field preferred. Skills & Attributes Strong proficiency in programming/scripting languages such as SIMPL, Lua, Python, and HTML. Excellent problem-solving and analytical abilities with a sharp attention to detail. Proficiency with Microsoft Office (Word, Excel, Outlook). Exceptional organizational and documentation skills. Strong communication and client-facing abilities. Self-motivated and able to work both independently and as part of a team. Passionate about emerging AV and IT technologies. Results-driven mindset with a focus on quality and reliability. Why Join AV Pros NY Be part of a collaborative, innovative team that values craftsmanship, precision, and teamwork. Work on cutting-edge AV, IT, and automation projects for top-tier clients. Competitive pay, annual performance-based bonuses, and opportunities for certification and professional growth. Access to training, mentorship, and continuing education. Supportive company culture that rewards initiative, loyalty, and technical excellence.
    $73k-104k yearly est. 3d ago
  • Senior Backend Software Engineer (.NET/C#)

    Executive Alliance 3.2company rating

    Senior software engineer job in Garden City, NY

    Our client is an AI powered ecommerce/marketing software company. Their suite of products integrates Web Content Management, eCommerce, eMarketing, Social Media management, and Web Analytics. They are seeking a Backend Software Engineer to play a key role in building, integrating, and optimizing their flagship site search product. Will design, develop, and maintain API-first backend services using C#, NET, NoSQL, AWS technologies. 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. ***ONSITE in GARDEN CITY, NY*** ***DIRECT HIRE POSITION**** ***NO C2C or SPONSORSHIP*** 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 3-10 years of professional software engineering experience MUST HAVE eCommerce or Search Technology experience. Examples: Lucene, Elasticsearch/OpenSearch, Algolia, Coveo, SearchSpring, Klevu, Bloomreach. BigCommerce, Optimizely Configured Commerce, Shopify, Magento/Adobe Commerce, WooCommerce, Shopware, Unilog. Must HAVE Strong proficiency in backend development. NET/C# strongly preferred Hands-on experience with cloud platforms (AWS preferred, GCP and Azure also accepted). 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.
    $110k-145k yearly est. 4d ago
  • Full Stack Hedge Fund Software Engineer (Java/Angular/React)

    Focus Capital Markets

    Senior software engineer 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. 2d ago
  • Lead Web Developer

    Open Systems Technologies 4.7company rating

    Senior software engineer 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 2d ago
  • Senior Software Engineer (Full Stack), Data Analytics - Pharma

    Nylon Search-Recruitment and Executive Search

    Senior software engineer job in Ridgefield, CT

    $140-210K + Bonus (*At this time our client cannot sponsor or transfer work visas, including H1B, OPT, F1) Global Pharmaceutical and Healthcare conglomerate seeks dynamic and collaborative Lead Full Stack Software Engineer with 7+ years hands on front and back-end software developer experience designing, developing, testing, and delivering fully functioning Cloud-based, Data Analytics applications and backend services, to help lead application development from ideation and architecture to deployment and optimization, and integrate data science solutions like analytics and machine learning. Must have full stack Data Analytics experience, AWS Cloud, and hands-on experience in Data pipeline creation, ETL/ELT (AWS Glue, Databricks, DBT). This is a visible role that will deliver on key data transformation initiatives, and shape the future of data-driven decision making across the business. Requirements Hands-on experience in Data pipeline creation, ETL/ELT (AWS Glue, Databricks, DBT). Build and maintain robust backend systems using AWS Lambda, API Gateway, and other serverless technologies. Experience with frontend visualization tools like Tableau or PowerBI. Hands-on expertise in Agile Development, Test Automation, IT Security best practices, Continuous Development and deployment tools (Git, Jenkins, Docker, Kubernetes), and functional programming. Familiarity with IT security, container platforms, and software environments across QA, DEV, STAGING, and PROD phases. Demonstrated thought leadership in driving innovation and best practice adoption. Leadership & Collaboration: Strong communication, mentorship, and cross-functional teamwork. Responsibilities include: Application Development: Design, develop, and maintain both the front-end and back-end components of full-fledged applications using state-of-the-art programming languages and frameworks. Architecture Integration: Incorporate API-enabled backend technologies into application architecture, following established architecture frameworks and standards to deliver cohesive and maintainable solutions. Agile Collaboration: Work collaboratively with the team and product owner, following agile methodologies, to deliver secure, scalable, and fully functional applications in iterative cycles. Testing Strategy and Framework Design: Develop and implement comprehensive testing strategies and frameworks to ensure the delivery of high-quality, reliable software. For immediate consideration please submit resume in Word or PDF format ** AN EQUAL OPPORTUNITY EMPLOYER **
    $87k-113k yearly est. 4d ago
  • Software Engineer

    JSG (Johnson Service Group, Inc.

    Senior software engineer 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. 3d ago
  • .Net Developer

    TSR Consulting 4.9company rating

    Senior software engineer job in Montvale, NJ

    Our client is hiring a Full Stack .Net Developer on a contract basis. Responsibilities Design and develop custom solutions in latest version of Angular, C#.net, Visual Studio and SQL Server Experience working under Azure cloud utilizing PAAS services and setting up pipelines using ADO. Develop, debug, test, and deploy new and existing applications Help to ensure that developed application solutions satisfy business and technical requirements and that standard testing procedures have been followed Design, construct, implement and support client-facing software that meets the business requirements Perform software construction, unit testing and debugging; software construction may include the preparation of new software, reuse of existing code, modification of existing programs, or integration of purchased solutions Interface with internal and external technical staff to define application solutions and resolve problems as needed Act with integrity, professionalism, and personal responsibility to uphold the firm's respectful and courteous work environment. Qualifications: Minimum four year of experience in Angular & .NET web application development Bachelors degree in from an accredited college/university or equivalent work experience Experience in user interface and design of web-based products under Azure cloud. Knowledge of Object-Oriented Principles, Patterns and Practices and knowledge of Agile (Scrum) software development methodologies and leading practices
    $97k-126k yearly est. 1d ago
  • Principal Software Engineer (C++)

    Rise Technical

    Senior software engineer job in Danbury, CT

    Principal Embedded Software Engineer Danbury, Connecticut (On-site) $150,000 - $200,000 + Bonus + Re-location Package + Healthcare Insurance + 401k + PTO Are you a Senior or Principal Software Engineer, with extensive experience in C++ and mechatronics, looking for a hands-on development role offering progression to management and the chance to recognized as a technical expert? This is an exciting opportunity to sharpen your technical skillset while taking ownership of projects from concept to completion. You will work on the design and delivery of advanced control and automation software for sophisticated, high-precision industrial systems, pushing the boundaries of performance and innovation. In this role, you will lead the design, development, and deployment of real-time control software for high-precision industrial systems. You will collaborate with cross-functional teams to define requirements, architect solutions, and integrate hardware and software. You'll oversee system testing, resolve technical challenges, and drive critical projects to completion. This role combines deep C++ and mechatronics expertise with leadership to shape current products and future innovation. This is a great opportunity for a Principal Engineer to join a market leading company who will support technical advancement and career progression whilst being recognized as a technical expert. The Role: *Lead design and deployment of real-time control software *Oversee system testing and troubleshoot technical issues *Own complex high-impact projects to meet critical deadlines The Person: *Vast experience with C++ and embedded systems *Experience with mechatronics *Experience with Real-time control systems *US Citizen or Green Card Holder
    $104k-139k yearly est. 1d ago
  • Application System Engineer

    Hanwha Vision America 4.1company rating

    Senior software engineer job in Teaneck, NJ

    Hanwha Vision America seeks a highly experienced System Application Engineer to join our support team. In this position, you'll be responsible for post-sales incidents and problem escalation, focusing on identifying root causes and providing resolutions in complex environments. You'll also ensure proper testing, documentation, and deployment of workarounds and fixes, in addition to training the support team on how to resolve related incidents in the future. Key Responsibilities: Technical Reproduce, document, and report product issues escalated from technical support or Field Applications Team to Product Managers Writing Sample required Test, document, and deploy workarounds for fixes in development Update and manage the issue log Own complex support cases for business-critical customers Training Serve as Subject Matter Expert regarding the Hanwha Vision product line, Providing Product training to the Technical Support Team, focusing on best practices in troubleshooting and product configuration Requirements: Previous Experience in customer/end-user-facing roles Korean Language required Ability to travel on short notice. Travel (15-25%) Excellent understanding and troubleshooting capabilities of intricate network-based security systems Proven Aptitude in Root Cause Analysis Excellent ability to communicate complex ideas both verbally and in writing Certifications in CCNA/CCNE/Network + Linux + ASW or other Cloud Certification In-depth knowledge of Incident and Problem management Self-motivated and proven time management capabilities 3-5 years' experience supporting IP-based security systems or a related industry preferred
    $88k-124k yearly est. 2d ago
  • HEDGE FUND BACKEND DEVELOPER (C#) - Not open to sponsorship or Consultants

    M-Logic, Inc.

    Senior software engineer job in Stamford, CT

    BACKEND SOFTWARE DEVELOPER (C#) - Core Dev Team FTE | Stamford, CT | Hybrid Our client is a leader in global credit investing. With a dedicated team of 350, the firm oversees ~$40 billion of investable assets through a comprehensive credit platform that includes direct lending, structured credit, and special situations investment strategies. Core Dev Team Overview: The Core Development team is at the forefront of innovation, responsible for building in-house systems and integrating and customizing third-party applications essential to the firm's operation. We are currently modernizing our proprietary on-premises systems into cloud-native, web-based solutions. This is a great opportunity for a talented backend developer to join our dynamic, fast-paced team and make a major impact on critical financial software used across the firm. This role offers exposure to cutting-edge technologies, cross-functional collaboration, and opportunities to influence architecture decisions. 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
    $95k-131k yearly est. 5d ago
  • SAP ABAP Technical Lead - RTR

    Numeric Technologies 4.5company rating

    Senior software engineer job in Englewood Cliffs, NJ

    Technical Skills Experience as a Senior Developer with minimum of 8 years of hands-on core SAP ABAP development and/or SAP Fiori UI5 experience. Knowledge in various SAP modules and Integration development working on large- scale SAP S/4 implementation project Need to have a strong understanding of Finance based SAP design and process flows around GL Account based Journal entry postings, Invoice creation and posting, Accounts Payable and Receivable process, Revenue Recognition and the use of substitution exits Knowledge of underlying SAP S4 HANA FI Table structures and fields Awareness of common API's, BAPI's and Function Modules in the FI area related to financial postings, currency calculation, tax determination, payment runs, bank statements etc Experience with S4/HANA migration initiatives and exposure to BTP integration/side-by-side RAP programming model. Ability to complete High Level Technical Design and suggest best practices in line with Clean Core Principles Confirmed ability using BADI's, BAPI's, LSMW, ALE, RFC calls, IDOC, BDC, business objects, classes and methods, Adobe Forms, SmartForms, SAPScripts, Data Dictionary, ALV Strong ABAP debugging skills S/4 HANA Development Experience Knowledge of OData development using CDS and AMDP, Workflow experience, including support and debugging Knowledge and awareness of SAP Clean Core principles including use of released API's, in app extensibility options and key user extensibility. Knowledge of 3-Tier extensibility model and SAP RAP (Restful ABAP) and CAP (Cloud Application) Programming Models Experience in migrating custom code base from ECC or SOH systems onto a S/4 HANA platform, applying both Technical remediation and Clean Core frameworks Implementation knowledge on Native SQL, ADBC, External View, ABAP Core data Services, AMDP Procedures, Text Search, ALV on HANA. Practical experience in creating custom and enhance standard CDS view and AMDP class based on business requirement, various available annotation in CDS views. Good knowledge on other new SAP technologies such as Fiori SAPUI5, SAP BTP Integration Suite, SAP Business Application Studio, SAP Build etc Other skills Confirmed ability to be flexible and agile, both independently and in a team Relevant SAP technical certification a plus Practical Knowledge of Code Performance Rules and Guidelines for SAP HANA Demonstrate excellent verbal and written communication skills Possess interpersonal skills to engage and collaborate in a team
    $83k-107k yearly est. 2d ago
  • Senior AI Engineer

    Madison-Davis, LLC 4.0company rating

    Senior software engineer job in Fairfield, CT

    As an AI Engineer, you will develop and optimize systems that integrate large language models (LLMs), vector databases, and other AI technologies to enhance how our researchers analyze information, discover patterns, and generate ideas. You'll work closely with quantitative researchers to translate complex market and research needs into intelligent, scalable solutions that support systematic trading innovation. Design and implement AI systems using LLMs, vector databases, and related tools for quantitative research applications such as literature review, data retrieval, and code generation. Deploy, monitor, and scale AI solutions in production, ensuring robust integration with existing infrastructure and real-time data pipelines. Collaborate with quant researchers and portfolio teams to build AI tools that accelerate discovery and improve decision-making. Stay at the forefront of AI and NLP research, contributing to internal innovation and thought leadership initiatives. Identify and mitigate risks related to AI use - including bias, data integrity, and model robustness. Continuously optimize performance and reliability of deployed AI models and systems. Job Requirements 2+ years of hands-on experience developing or deploying LLMs, AI, or deep learning models in high-performance or production environments. Experience working with large-scale datasets and real-time data systems. Strong knowledge of modern NLP techniques and frameworks (e.g., tokenizers, transformers, embedding models). Proficiency with AI/ML tools and platforms, such as PyTorch, Hugging Face, or OpenAI APIs. Familiarity with financial data or algorithmic trading systems is a strong plus. Excellent analytical and problem-solving skills, with the ability to translate complex requirements into scalable technical solutions.
    $80k-101k yearly est. 3d ago
  • Java Software Engineer

    Marlabs LLC 4.1company rating

    Senior software engineer 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. 1d ago

Learn more about senior software engineer jobs

How much does a senior software engineer earn in Greenwich, CT?

The average senior software engineer in Greenwich, CT earns between $77,000 and $128,000 annually. This compares to the national average senior software engineer range of $86,000 to $151,000.

Average senior software engineer salary in Greenwich, CT

$99,000

What are the biggest employers of Senior Software Engineers in Greenwich, CT?

The biggest employers of Senior Software Engineers in Greenwich, CT are:
  1. Interactive Brokers
  2. Eliassen Group
  3. New York Life Insurance
  4. IBM
  5. Astute Search
  6. Opexpert
  7. Top Stack
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