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107 mid level software engineer jobs at 47 companies in West Hartford, CT

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HVAC Commercial Mechanical Engineer (Mid-Level)
West Hartford or East Granby
OnsiteFull Time
USA Mechanical & Energy Services
USA Mechanical & Energy Services: Provides commercial HVAC, plumbing, and building automation services.
3+ YOEBachelor's in Mechanical Engineering, 3+ years HVAC engineering experience, proficiency with AutoCAD/Revit and HVAC load calculation software, knowledge of thermal systems and codes, strong communication and analytical skills.
AutoCAD, Revit, HVAC load calculation software
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1mo
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Software Engineer II
Hartford or Atlanta or Cockeysville or Saint Paul
$120k-$199k/yr HybridFull Time
Travelers
TravelersNew York Stock Exchange: TRV: Provider of commercial and personal property casualty insurance.
4+ YOEBachelor's degree or equivalent and 4+ years software engineering experience; Salesforce/Apex experience a plus; proficiency in object-oriented languages, REST integrations, and Agile environments.
Apex, Lightning Web Components, Salesforce APIs, Java, C#, Python, JavaScript
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2mo
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Software Engineer II
Bristol or Burbank or Glendale
$118k-$158k/yr OnsiteFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
3+ YOE3+ years in web development or software engineering; strong frontend skills; JavaScript/JS frameworks; good communicator; multitasker; quick learner.
JavaScript, TypeScript, React, React Native
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1mo
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Software Engineer II
Hartford or Atlanta or St. Paul or Hunt Valley
$120k-$199k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
4+ YOEBachelor's degree in CS or related STEM and 4+ years software development experience; experience with object-oriented languages, RESTful APIs, Salesforce preferred, Agile/Scrum experience, and ability to learn new technologies.
Salesforce, Apex, Lightning Web Components, Salesforce APIs, Java, C#, Python, JavaScript, RESTful APIs, Agile, Scrum, Version control systems
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1mo
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Specialist Software Engineer (41023)
Northampton, Massachusetts, United States
$97k-$180k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
4+ YOE4+ years embedded software experience with C/C++, embedded Linux, kernel/driver work, video interfaces, Git, and hardware interfacing; bachelor's degree or equivalent experience required.
QT, C, C++, Linux, Git, GenICam, GigE Vision, Camera Link, UART, SPI, I2C, CAN, Python, CI/CD
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Software Engineer
Hartford, Connecticut, United States
$88k-$132k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides property and casualty insurance and financial products.
3+ YOERequires 3+ years developing systems with .NET, C#, SQL, and relational databases, plus 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, relational databases
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Software Engineer
Hartford, Connecticut, United States
$88k-$132k/yr HybridFull Time
The Hartford
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
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Software Engineer Sr - E3
Herndon or King of Prussia or Sunnyvale or Palo Alto or New York City or Newark or Denver or Stratford or Moorestown or Dallas or Fort Worth or Orlando or Grand Prairie or Marietta or Camden or Lexington or Ocala or Lufkin
$88k-$228k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
3+ YOE3+ years developing backend software on Linux with C/C++ or Java; Agile experience; complex application testing/debugging; active TS/SCI clearance; bachelor's degree typically required.
Linux, C, C++, Java, SAFe, Kanban, Scrum, Ant, Git, Maven, Gradle, Jenkins, Jira, Confluence, Collaborator, Docker, Kubernetes, Matlab, STK, AWS
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CAD Software Developer
Bloomfield, Connecticut, United States
OnsiteContract
Delan Associates
Delan Associates: Provides engineering and professional services to government agencies.
Experience developing integrations with AutoCAD and Zuken e3, SQL/SQL Server, Power BI (Power Query,DAX), Microsoft Power Platform, .NET and migrating Access/VBA to SQL; strong collaboration and software validation knowledge.
AutoCAD, Zuken e3, SQL, Power BI, Power BI Desktop, Power Query, DAX, SQL Server, Oracle DB, JSON, Microsoft Excel, Microsoft Power Platform, Power Automate, Power Apps, Excel VBA, .NET, Microsoft Access
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3mo
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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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2mo
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AI Native Software Engineer
Arlington or Milwaukee or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or Pittsburgh or Hartford or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Morristown or San Francisco or Boston or Denver or Philadelphia or Des Moines or Overland Park or Los Angeles or Walnut Creek or Charlotte or Seattle or Carmel or Houston or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego or California or Colorado or District of Columbia or Illinois or Maine or Maryland or Massachusetts or Minnesota or New York or New Jersey or Virginia or Washington or United States
$54k-$235k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
3+ YOE3+ years cloud-native engineering, 1+ year building/deploying agentic solutions, 1+ year with modern AI platforms, 3+ years Python/Java and IaC (Terraform, Helm); Bachelor's in CS/Engineering or equivalent experience; strong client communication.
Anthropic, Google, OpenAI, Vertex AI, Claude, Claude SDK, Open AI SDK, Lang-graph, Crew AI, Kubernetes, Docker, Terraform, Helm, Python, Java, CI/CD, GitHub
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2mo
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Software Engineer II
Bristol or Burbank or Glendale or Bristol
$118k-$158k/yr OnsiteFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
3+ YOEMinimum 3+ years in web development; strong frontend JS/JS frameworks; BS CS or related; good communication; React/React Native preferred; experience in media distribution and AI is a plus.
JavaScript, TypeScript, React, React Native
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2w
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Founding Software Engineer - AI & Operations (Full-Stack)
Wallingford, Connecticut, United States
OnsiteFull Time
United Concrete Products
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
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3mo
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Network Software Developer
Lexington or United States
$102k-$152k/yr HybridFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
3+ YOEActive DoD Secret clearance; BS in Computer Science or related field; 3-5 years experience; Proficiency in C++, Python; Kubernetes; SDN; routing protocols; strong communication; team collaboration.
C++, Python, Kubernetes, Software-defined networking, Routing protocols
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Mobile Software Engineer - Req# 606
Southington, Connecticut, United States
HybridFull Time
COCC
COCC: Provides core technology and digital solutions for financial institutions.
3+ YOE3+ years building native Android and/or iOS apps; proficiency with Kotlin, Java, Swift, Objective-C; experience with Agile, CI/CD, and DevSecOps; strong communication; must have US work authorization without sponsorship.
Kotlin, Java, Swift, Objective-C, CI/CD, DevSecOps
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1w
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Office Engineer
Wethersfield, Connecticut, United States
$45-$60/hr OnsiteFull Time
ATANE Consulting
ATANE Consulting: Provides professional engineering, architectural, and construction management services.
Bachelor's degree in engineering or architecture preferred; NICET, SAT, TCP, or ACI credentials; experience with CTDOT Site Manager and CTTA CapEx Manager software.
CTDOT Site Manager, CTTA CapEx Manager
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MILLWORK ENGINEER
Ellington, Connecticut, United States
OnsiteFull Time
Desco Professional Builders
Desco Professional Builders: Commercial general contractor specializing in retail, restaurant, and facility construction.
Proficiency in Microvellum or similar engineering software and AutoCAD; architectural and commercial millwork knowledge; communication, presentation, organization, attention to detail, and problem-solving skills.
Microvellum, AutoCAD
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1mo
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Engineer II, Manufacturing
Middletown, Connecticut, United States
OnsiteFull Time
Kaman
Kaman: Designs and manufactures helicopters, aerospace components, and fuzing systems.
3+ YOEBachelor's in engineering, minimum 3 years manufacturing engineering experience, ability to read blueprints/MRP familiarity, CNC programming preferred, strong written and oral communication, and proficiency with office software.
MRP, CNC
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2mo
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Buildings/Structural Engineer
Simsbury, Connecticut, United States
$90k-$114k/yr OnsiteFull Time
MG2
MG2: Global architecture and design firm providing integrated professional services.
3+ YOEBachelor's in Civil or Architectural Engineering (ABET), 3–6 years structural engineering experience, EIT required, PE preferred (CT). Intermediate Revit and structural software skills; knowledge of IBC, ASCE7, AISC360, ACI318 codes.
Revit, RISA, RAM, TEKLA, TEDDS, SAFE, PROFIS, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Microsoft Teams
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Controls Engineer
Bloomfield or Suffield
OnsiteFull Time
LiquidPiston
LiquidPiston: Developing compact, high-efficiency rotary internal combustion engines.
3+ YOEBachelor's in engineering,3+ years controls/embedded experience,embedded software development,experience with sensors/actuators/ECUs,test diagnostics,and control theory;MATLAB/Simulink and embedded C/C++ experience preferred.
MATLAB/Simulink, C, C++, CANbus, Motec
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