133 software system engineer jobs at 75 companies in Danbury, CT
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System and Software Engineer (MBSE / SysML) – Aerospace
East Hartford, Connecticut, United States
HybridMultiple Commitments Available
3+ YOEBachelor's in engineering; experience with MATLAB/Simulink for embedded software; experience with Cameo Systems Modeler; SysML; DO-178C; aerospace domain.
MATLAB, Simulink, Cameo Systems Modeler
1w
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Senior Software Engineer
Woodcliff Lake, New Jersey, United States
$90k-$141k/yr HybridFull Time
5+ YOEBA/BS or equivalent experience; 5+ years in IT, 3+ years in engineering, and 2+ years in software or systems engineering. Requires Agile, cloud, programming, databases, CI/CD, testing, and mentoring experience.
Java, Salesforce, SAP, JavaScript, AngularJS, T-SQL, Python, HTML, Oracle, AWS, Terraform, AWS CDK, GitHub Copilot, Splunk, Docker, Kubernetes, CI/CD, RESTful API, Git
3mo
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Senior Engineer – Agile Software Development – Engine System Software P3 (Onsite)
East Hartford, Connecticut, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEBachelor’s in STEM; 5 years engineering experience or 3 years with advanced degree; Agile software development; safety-critical software; DO-178B knowledge.
Agile, Software development
1mo
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Senior Software Engineer - Personal Insurance
Hartford or Atlanta or Cockeysville or Saint Paul
$139k-$230k/yr HybridFull Time
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.
Apex, Lightning Web Components, Salesforce APIs, AWS, Azure, Salesforce, CI/CD, DevOps
6d
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Embedded Software Engineer
Farmington, Connecticut, United States
$93k-$139k/yr OnsiteFull Time
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
1w
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Lead Software Engineer (Conference Navigator)
Irving or Fort Myers or Stamford or Spain or India
$116k-$170k/yr HybridFull Time
7+ YOEBachelor's or master's degree in computer science, software engineering, or related field; 7–10+ years' software development experience; production systems, cloud, architecture, incident management, and technical leadership expertise.
C#, .NET Core, Angular, React, TypeScript, SQL, AWS, Azure
1mo
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Staff Software Engineer
New York City or San Francisco
$232k-$258k/yr HybridFull Time
8+ YOEBachelor's in CS or equivalent, 8+ years engineering experience, strong leadership and system design skills, experience with high-scale backend systems, excellent cross-functional collaboration and problem-solving.
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Senior Software Engineer
United States or White Plains
$170k-$200k/yr OnsiteFull Time
5+ YOE5+ years engineering experience, strong backend ownership, product judgment, experience with Python, PostgreSQL, AWS, CI/CD, and building reliable scalable systems.
Python, PostgreSQL, AWS
2mo
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Staff Software Engineer
New York, New York, United States
$184k-$210k/yr HybridFull Time
7+ YOE7+ years software development; experience building scale search, recommendation, and personalization systems; proficient in Golang, Python, or C#; strong system design and cloud (AWS).
Golang, Python, C#, AWS, OpenSearch, Elasticsearch, SageMaker, Personalize, Bedrock, Vector databases, Real-time streaming
2mo
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Principal Software Development Engineer
Hartford, Connecticut, United States
$144k-$288k/yr HybridFull Time
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.
.NET, COBOL, Java, Node.js, JavaScript, Angular, Generative AI technologies, GCP, Azure, GitHub, Jenkins, GitHub Actions, ArgoCD, Salesforce, Mulesoft, z/OS
3mo
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Software Development Engineer
Seattle or Arlington or Bellevue or New York or Astoria or Brooklyn or Carle Place or Cupertino
$144k-$224k/yr OnsiteFull Time
3+ YOE3+ years professional software development; 2+ years design/architecture; 3+ years building complex software systems; 2+ years multi-tier or distributed apps in C#/C++/Java/Perl; Bachelor's degree or equivalent.
C#, C++, Java, Perl, Python
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Sr. Software Engineer, Testing
Westport, Connecticut, United States
$350k-$500k/yr HybridFull Time
4+ YOE4+ years in rigorous engineering environments; 2+ years in SDET/testing architecture; strong diagnostic and system design skills; exposure to low-latency, agentic testing.
1mo
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Senior Software Engineer, Manufacturing Systems
Glen Cove, New York, United States
$180k-$210k/yr HybridFull Time
5+ YOE5+ years engineering experience; full-stack development with React/Typescript and Node.js/Python; PostgreSQL, GCP/AWS, Kubernetes, Docker; experience designing MRP/MES or production systems preferred.
React, Typescript, Node.js, Python, PostgreSQL, GCP, AWS, GraphQL, REST, Kubernetes, Docker
1w
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Sr Software Engineer - Reliability Engineering
North Hills, New York, United States
$122k-$203k/yr HybridFull Time
5+ YOE5+ years in software/platform/infrastructure engineering, strong coding (Python/Go/Java), AWS and Terraform experience, SRE and observability knowledge, system design and incident response skills.
Python, Go, Java, AWS EC2, AWS RDS, AWS DynamoDB, AWS S3, AWS Aurora, AWS Lambda, AWS VPCs, AWS Athena, Terraform, Docker, Kubernetes, Linux, Windows, New Relic, Splunk, Prometheus, CI/CD pipelines
1w
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Senior Software Engineer – Platform & Agentic AI Engineering
Hartford or Charlotte or Columbus or Chicago
$128k-$191k/yr HybridFull Time
6+ YOE6+ years software engineering with 2+ years GenAI/LLM multi-agent experience; hands-on with Agentic protocols (ADK,MCP), AlloyDB/Postgres, Vertex AI, Python/Typescript, Terraform, and production LangChain/LangGraph systems.
Google ADK, Anthropic MCP, LangGraph, LangChain, Python, Typescript, Terraform, GCP, AlloyDB, PostgreSQL, Postgres RDS, Vertex AI, Cloud Run, Cloud Storage, Secret Manager, LangSmith, GitHub Spec-Kit, OpenSpec, BMAD-METHOD, Claude Code, GitHub Copilot, AWS Kiro, CI/CD
1mo
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Principal Software Engineer (Cloud Native)
Englewood Cliffs or New York City
$170k-$200k/yr HybridFull Time
8+ YOE8+ years software development experience; proven cloud-native architecture (AWS/Azure/GCP), serverless and event-driven design; experience modernizing legacy systems; strong communication and leadership skills.
AWS, Azure, GCP, Kafka, Kinesis, Redis, ElastiCache, SQL, NoSQL, CI/CD, Gen AI, SaaS, low-code/no-code
1w
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Senior Software Engineer – Platform & Agentic AI Engineering
Charlotte or Hartford or Columbus or Chicago
$128k-$191k/yr HybridFull Time
6+ YOE6+ years software engineering experience with 2+ years in GenAI/multi-agent systems; hands-on with Agentic protocols, AlloyDB/Postgres, GCP, Python/Typescript, Terraform, and LangChain/LangGraph; strong security and spec-driven development skills.
Google ADK, Anthropic MCP, LangGraph, LangChain, Python, Typescript, Terraform, GCP, AlloyDB, PostgreSQL, Vertex AI, Cloud Run, Cloud Storage, LangSmith, GitHub Spec-Kit, OpenSpec, BMAD-METHOD, Claude Code, GitHub Copilot, AWS Kiro
1mo
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Software Engineer II
Greenwich, Connecticut, United States
HybridFull Time
Experienced full-stack Java developer with Vert.x, Vue.js, Oracle SQL and RESTful API experience; familiarity with front-end technologies, CI/CD, and financial services systems.
Java, Vert.x, Vue.js, JavaScript, HTML5, CSS3, Oracle SQL, Perl, Python, RESTful API
2w
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Software Engineer, Advanced
Holtsville, New York, United States
$123k-$184k/yr HybridFull Time
8+ YOEBachelor's in CS or related,8+ years' relevant experience (5+ with advanced degree),proficiency with C#,JavaScript,jQuery,SQL Server,strong system design and leadership skills.
C#, JavaScript, jQuery, SQL Server
1mo
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Senior Software Engineer - Orange Apron Media (Remote)
Georgia or California or Colorado or Connecticut or Rhode Island or Nevada or New York City or Ithaca or Westchester County or Washington or United States
$80k-$180k/yr RemoteFull Time
3+ YOE3+ years software engineering experience building distributed AI/ML systems; strong skills in Python, Java, or Go; experience with multi-agent frameworks, LLMs, vector databases, cloud (AWS/GCP/Azure), and Git.
Python, Java, Go, LangChain, LangGraph, AutoGen, CrewAI, Semantic Kernel, Pinecone, Milvus, Chroma, LangSmith, TruLens, Phoenix, AWS, GCP, Azure, Git
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