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127 system software engineer jobs at 76 companies in Danbury, CT

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
2mo
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System and Software Engineer (MBSE / SysML) – Aerospace
East Hartford, Connecticut, United States
HybridMultiple Commitments Available
Sopra Steria
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.
MATLAB, Simulink, Cameo Systems Modeler
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3mo
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Principal Software Engineer
Bronx, New York, United States
$200k-$220k/yr RemoteFull Time
Essen Health Care
Essen Health Care: Provides multispecialty medical care and home-based healthcare services.
7+ YOE7+ years software engineering; principal-level impact; designed and operated large-scale distributed systems; strong backend; healthcare experience a plus.
Python, FastAPI, React, TypeScript, MSSQL, Redis, Azure, Terraform
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2mo
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Senior Engineer – Agile Software Development – Engine System Software P3 (Onsite)
East Hartford, Connecticut, United States
$87k-$165k/yr OnsiteFull Time
RTX
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.
Agile, Software development
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1mo
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr HybridFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
5+ YOEBachelor’s degree + 7+ years software engineering or advanced degree + 5+ years; experience designing and developing scalable systems for manufacturing operations; mentoring, requirements capture, database architecture, CI/CD, and cross-functional collaboration; ability to travel 25%.
Ignition, deviseWISE, Microsoft Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, CI/CD Pipelines, RESTful API Design, Java, C++, .NET, Scala, Lua, Python, SQL
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3mo
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Lead Software Engineer
Flower Mound or Rockleigh
$123k-$198k/yr HybridFull Time
Crestron
Crestron: Designs and manufactures advanced automation and control systems.
5+ YOE5-10 years professional software engineering; lead-level contributions; cross-functional Agile; Bachelor's preferred; .NET; system design; CI/CD; mentoring.
.NET, CI/CD, Git, APIs, DevOps
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1mo
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Staff Software Engineer - AI
Hartford or Charlotte
$128k-$191k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
Deep AI/ML and software engineering expertise with experience building agentic and generative AI systems; proficiency in Python/Java/C++; cloud and MLOps experience; test automation and Git skills; strong problem-solving and collaboration.
Python, Java, C++, Playwright, MLflow, Kubeflow, Docker, Git, LangGraph, Crew AI, Semantic Kernel, AWS, Azure, GCP, LLMOps, MLOps, Gemini, Claude
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2w
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Staff Software Engineer
New York City or San Francisco
$232k-$258k/yr HybridFull Time
Uber
UberNYSE: UBER: A technology platform for transportation, delivery, and freight.
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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1w
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Staff Software Engineer
Tysons Corner or Boston or Chicago or Denver or Jericho or Jersey City or New York or Rockville or Washington or Woodbridge
$84k-$180k/yr HybridFull Time
FINRA
FINRA: Regulates brokerage firms and exchange markets in the United States.
2+ YOEBachelor's in CS or related, 2+ years experience, strong CS fundamentals, object-oriented development, system design, cloud, DevOps/CI/CD, test automation, and software security awareness.
DevOps, CI/CD
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2w
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Senior Software Engineer
United States or White Plains
$170k-$200k/yr OnsiteFull Time
Veterinary Emergency Group
Veterinary Emergency Group: Operates a network of 24/7 emergency veterinary hospitals.
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
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2mo
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Staff Software Engineer
New York, New York, United States
$184k-$210k/yr HybridFull Time
Warby Parker
Warby ParkerNYSE: WRBY: Warby Parker is a retailer of prescription eyewear and contacts.
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
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1mo
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Principal Software Development Engineer
Hartford, Connecticut, United States
$144k-$288k/yr HybridFull Time
CVS Health
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.
.NET, COBOL, Java, Node.js, JavaScript, Angular, Generative AI technologies, GCP, Azure, GitHub, Jenkins, GitHub Actions, ArgoCD, Salesforce, Mulesoft, z/OS
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2mo
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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
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
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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2mo
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Sr. Software Engineer, Testing
Westport, Connecticut, United States
$350k-$500k/yr HybridFull Time
Bridgewater Associates
Bridgewater Associates: Manages global macro hedge funds for institutional investors.
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.
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2w
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Senior Software Engineer, Manufacturing Systems
Glen Cove, New York, United States
$180k-$210k/yr HybridFull Time
Standard Bots
Standard Bots: Develops and manufactures AI-powered robotic arms for industrial automation.
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
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3w
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Principal Software Engineer (Cloud Native)
Englewood Cliffs or New York City
$170k-$200k/yr HybridFull Time
Versant
VersantNasdaq: VSNT: Operates cable television networks and digital media entertainment platforms.
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
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Embedded Software Engineer II
Farmingdale, New York, United States
$99k-$165k/yr OnsiteFull Time
TTM Technologies
TTM TechnologiesNASDAQ: TTMI: Manufactures printed circuit boards and radio frequency technology solutions.
5+ YOE5+ years embedded software experience, Bachelor's in CS/CE, proficiency in C++, Embedded Linux (PetaLinux), RTOS, real-time systems, full SW lifecycle, and ability to obtain DoD Secret clearance.
C++, Embedded Linux (PetaLinux), RTOS
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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
The Home Depot
The Home DepotNYSE: HD: Retailer of home improvement products, building materials, and tools.
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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5d
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Software Engineer, Advanced
Holtsville, New York, United States
$123k-$184k/yr HybridFull Time
Zebra Technologies
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
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
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1mo
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Software Engineer II
Greenwich, Connecticut, United States
HybridFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
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
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3w
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Senior Software Developer for Quantum-Centric Supercomputing
Yorktown Heights, New York, United States
$161k-$276k/yr OnsiteFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Master's degree required; strong proficiency in Python and a systems language (C, C++, or Rust); experience with modern software engineering practices, HPC/resource managers, EM/quantum ecosystems, and strong communication skills.
Python, Rust, C, OpenMP, MPI, GPU, Slurm, PBS, Grid Engine, LSF, Qiskit, OpenQASM, CUDA-Q, Linux, HPC, CI/CD
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