88 software system engineer jobs at 45 companies in East Hartford, CT
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System and Software Engineer (MBSE / SysML) – Aerospace
East Hartford, Connecticut, United States
HybridMultiple Commitments Available
Sopra SteriaEuronext Paris: SOPR: Provides digital transformation consulting and information technology services.
3+ YOEBachelor's in engineering; experience with MATLAB/Simulink for embedded software; experience with Cameo Systems Modeler; SysML; DO-178C; aerospace domain.
Senior Engineer – Agile Software Development – Engine System Software P3 (Onsite)
East Hartford, Connecticut, United States
$87k-$165k/yrOnsiteFull Time
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEBachelor’s in STEM; 5 years engineering experience or 3 years with advanced degree; Agile software development; safety-critical software; DO-178B knowledge.
ISO New England: Operates the New England power grid and wholesale markets.
5+ YOEPhD in Electrical Engineering focused on power system stability/control, strong power system modeling and EMT/IBR experience, proficiency with PSS/E, PSCAD, DSATools, PowerWorld and software development in Python, MATLAB, C#, Java; 5+ years experience.
TravelersNew York Stock Exchange: TRV: Provider of commercial and personal property casualty insurance.
6+ YOE6+ years software engineering experience, bachelor's in CS or related STEM, strong engineering fundamentals, experience with enterprise systems, architectural decision-making, and Agile/DevOps practices.
OtisNYSE: OTIS: Manufacturer and service provider of elevators and escalators.
5+ YOEBachelor's degree in engineering or related field and 5+ years of embedded software experience. Requires C/C++ proficiency, embedded systems development, debugging, testing, and strong analytical skills.
C, C++, TI C2000, ST microcontrollers, Code Composer Studio, Git, Bitbucket, Jira, in-circuit emulators, oscilloscopes, serial analyzers
The HartfordNYSE: HIG: Provides property and casualty insurance and financial products.
12+ YOERequires 12+ years in enterprise application development, a computer science or engineering bachelor's degree, and expertise in Java, Spring Boot, Angular/TypeScript, SQL, APIs, cloud platforms, and distributed systems.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, CI/CD, DevOps, DevSecOps, Identity and Access Management, AI frameworks
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
10+ YOE10+ years software engineering experience with .NET/COBOL/Java/Node.js/JavaScript/Angular, DevSecOps and CI/CD expertise, GCP/Azure cloud experience, and experience modernizing enterprise systems.
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
3+ YOERequires 3+ years developing .NET and C# systems, SQL and relational database knowledge, and a bachelor's degree in computer science, information technology, or a related discipline.
C#, ASP.NET MVC, HTML5, CSS, Python, Microsoft Visual Studio, AWS, MS SQL Server 2019, RESTful APIs, Microservices, CA AutoSys, Agile Scrum, SSIS, Copilot, .NET, SQL
Voya FinancialNYSE: VOYA: Provides retirement, investment, and insurance products and services.
5+ YOERequires 5–8 years of software development experience, proficiency in multiple technologies, system design, API development, DevOps, CI/CD, observability, technical leadership, communication, and mentoring.
React, Node.js, Python, SQL, NoSQL, Microsoft Azure, Amazon Web Services (AWS)
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
1+ YOEBachelor's degree in CS/IT/Systems Engineering (or Master's),1 year relevant experience,US citizenship eligible for Secret clearance,knowledge of Windows/Linux,containerization, scripting,testing, and documentation.
Submarine Control System (SCS) Software and Certification Engineer
Washington Navy Yard or Groton
OnsiteFull Time
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
10+ YOEUS citizen with active DoD Secret clearance, Bachelor's in engineering (or equivalent experience), 10 years experience, project/program management, FBW SCS knowledge, Matlab/Simulink and Microsoft Office proficiency, strong communication and analytical skills.
Senior Software Engineer - D425 Hull, Mechanical & Electrical Systems
Groton, Connecticut, United States
HybridFull Time
General Dynamics Electric BoatNYSE: GD: Designs and builds nuclear-powered submarines for the U.S. Navy.
5+ YOEBSc in CS/Electrical/Computer Engineering,5+ years software engineering experience,ability to obtain DoD Secret clearance,embedded software and hardware integration,unit testing,source control experience.
C++, Java, .NET, Python, Git, SVN, Linux RTOS, LabVIEW, IBM DOORS
Eversource EnergyNYSE: ES: Delivers electricity, natural gas, and water to New England customers.
5+ YOE5+ years experience; Bachelor's degree or equivalent; design and implement systems, drive release management, mentor engineers, able to respond to emergencies and travel between MA/CT/NH; Maximo experience a plus.
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
4+ YOEBachelor's degree in computer science or related STEM field, 4+ years of software development, Python, AI application delivery, cloud platforms, distributed systems, and CI/CD experience.
ThayerMahan: Provides autonomous maritime surveillance and underwater sensing systems.
8+ YOEU.S. citizenship, bachelor's or master's degree preferred, 8+ years of relevant industry experience, ability to obtain DoD security clearance, and full-stack software development skills.
MWResource: Specialized consulting and staffing for critical energy infrastructure systems.
5+ YOEBachelors in CS/EE/related, 5+ years Microsoft-stack software development and administration experience (Windows, SQL Server, IIS, .NET, Power Platform, Active Directory/Entra ID). Microsoft certs preferred; knowledge of networking and change control required.
Microsoft Windows, Microsoft SQL Server, Microsoft Internet Information Services, Microsoft Power Platform, .NET, Microsoft Active Directory, Microsoft Entra ID
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
3+ YOEBachelor's degree or equivalent, 3+ years building backend systems/APIs in Java (Spring Boot preferred). Experience with AWS, monitoring/observability, CI/CD, Git, team on-call rotations, and scalable distributed systems.
Java, Spring Boot, AWS, ECS, Lambda, CloudFront, S3, DataDog, New Relic, CloudWatch, CI/CD, Git, TeamCity, Jenkins, Cursor, Claude Code, Angular, HAProxy, Varnish, CDN, REST APIs
Founding Software Engineer - AI & Operations (Full-Stack)
Wallingford, Connecticut, United States
OnsiteFull Time
United Concrete Products: Manufacturer of precast and prestressed concrete infrastructure products.
3+ YOE3+ years engineering experience with ownership of a production system; strong full‑stack fundamentals, SQL, LLM API production integrations, OCR/document extraction, and self-directed problem solving.
OpenAI, Anthropic, OCR, MaintainX, Claude Code, Copilot, SQL
Bexorg: Developing whole-brain perfusion platforms for neurodegenerative drug discovery.
Extensive embedded systems experience, deep C/C++ and Python skills, RTOS and real-time control expertise, firmware-to-hardware lifecycle ownership, PCB/CAD/fabrication experience, and comfort in wet-lab hardware environments.
BelimoSIX Swiss Exchange: BEAN: Develops and manufactures control devices for HVAC systems.
10+ YOE10+ years in software verification, automated test development, or embedded systems testing; Python and Robot Framework; RESTful testing; Redfish; CI/CD; HVAC/industrial controls experience.