30 software tool engineer jobs at 24 companies in Cheshire, CT

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Software Integration Engineer
Groton, Connecticut, United States
$90k-$100k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
1+ YOEBachelor's in software/engineering/math +1 year (or Master's); U.S. citizenship and eligibility for Secret clearance; experience with system integration, virtualization, containers, scripting, networking, and CI/CD tools.
Windows, Linux, Kubernetes, VMware, Hyper-V, Docker, Python, Bash, PowerShell, TCP/IP, DNS, SQL, Git, Jenkins, Ansible
2mo
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Software Engineer
New York City or Old Greenwich
OnsiteFull Time
Ellington Management Group
Ellington Management Group: Manages alternative investment funds specializing in mortgage-backed securities.
0+ YOEStrong programming skills, SQL, and knowledge of one or more of C#, JavaScript, or TypeScript; Python helpful; experience with APIs, CI/CD, and AI tooling; strong problem-solving and ownership.
SQL, C#, JavaScript, TypeScript, Python, React, Angular, CI/CD
1mo
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Principal Software Engineer
Hartford or Charlotte or Columbus or Chicago
$168k-$253k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
12+ YOE12+ years enterprise application development experience, bachelor’s degree in CS/Engineering required, hands-on with Java, Spring Boot, Angular/TypeScript, SQL, cloud (AWS), APIs/microservices, observability tools; strong communication and AI-first experience.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, event-driven architectures, Identity and Access Management, AI frameworks, CI/CD, DevSecOps
1mo
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Sr. Software Engineer
Miami or Shelton
OnsiteFull Time
Subway
Subway: Operates a global chain of franchised quick-service sandwich restaurants.
5+ YOEBachelor's or equivalent experience, 5+ years production software development, strong with Node.js/TypeScript/Java/C#, serverless AWS (Lambda, API Gateway, DynamoDB, SQS/SNS), REST/GraphQL APIs, CI/CD and Git workflows, Terraform/IaC, and daily use of AI-assisted development tools (GitHub Copilot, Claude).
AWS Lambda, API Gateway, DynamoDB, SQS, SNS, Node.js, TypeScript, JavaScript, Java, C#, Terraform, GitHub, Azure DevOps, Dynatrace, OpenAPI, Swagger, GitHub Copilot, Claude, Git, GitHub Actions, Datadog, CloudWatch, Akamai, CloudFront, OAuth 2.0, OpenID Connect, AWS Cognito, React Native
2mo
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Senior Software Engineer - Compliance Technology
Greenwich or New York
$150k-$235k/yr HybridFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
10+ YOE10+ years software development; expert in C#; SQL; React; CSS; Python; AWS; Agile/SCRUM; DevOps; AI-assisted tools; finance experience a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, infrastructure-as-code, AI tools
2mo
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Senior Software Engineer - Compliance Technology
New York or Greenwich
$150k-$235k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
10+ YOE10+ years software development; deep expertise in C#; production SQL queries; React/CSS; Python; AWS; Agile/SCRUM; DevOps (CI/CD, IaC); AI-assisted development tools; finance industry exposure a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, Infrastructure as Code, AI-assisted development tools
1mo
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Senior Product Software Engineer - Linear Advertising Platform
Bristol or New York
$142k-$199k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
5+ YOE5+ years software engineering experience; proficiency in Java, Spring Boot, ORMs, ReactJS; experience with MySQL/Postgres, DynamoDB, Redis; AWS, Terraform, Docker, Kubernetes; Kafka/Kinesis/SNS/SQS; Python and AI coding tools; Ad Tech domain knowledge.
Java, Spring Boot, ORMs, ReactJS, MySQL, Postgres, DynamoDB, Redis, AWS, Terraform, Docker, Kubernetes, Apache Kafka, Kinesis, SNS, SQS, Cursor, Claude Code, GitHub Copilot, Python
1mo
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Principal Cybersecurity Software Engineer P4 (Onsite)
East Hartford, Connecticut, United States
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEU.S. citizen able to obtain/maintain DoD Secret clearance; Bachelor\u0002s in STEM; 8+ years engineering experience (or advanced degree +5); experience in embedded cybersecurity, architecture, vulnerability assessments, and security tooling.
NIST Cybersecurity Framework (CSF), Risk Management Framework (RMF), Avionics Secure Software Development Lifecycle (SSDLC), MIL-STD-516, DO-178
1mo
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Senior Software Engineer, Calibration, Automation & Tools
New Haven, Connecticut, United States
$124k-$187k/yr HybridFull Time
D-Wave Quantum
D-Wave QuantumNYSE: QBTS: Provides commercial quantum computing systems, software, and cloud services.
5+ YOEBachelor's in CS/ECE/math/physics; 5+ years full‑stack experience; strong Python and another high‑level language (Java/Go/C/C++); front‑end frameworks (React/Angular/Vue.js); SQL and PostgreSQL/Oracle; Git, CI/CD, AWS; testing and strong communication.
Python, Java, Go, C, C++, React, Angular, Vue.js, PostgreSQL, Oracle, Git, AWS, CI/CD
1w
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Full-Stack Software Engineer Internship (Summer 2027)
Stamford or Houston
OnsiteInternship, Full Time
Castleton Commodities International
Castleton Commodities International: Invests in and manages global energy and commodity assets.
Currently pursuing a BS/MS in CS/Engineering/MIS or related, strong Python skills (Pandas, NumPy), familiarity with Git, cloud (AWS), Kubernetes, Kafka, Snowflake, DevOps tools and data visualization (Streamlit).
Python, Pandas, NumPy, AWS, Snowflake, Kubernetes, Kafka, Git, Docker, Helm, CI/CD, Streamlit
1mo
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Principal Security Engineer
Greenwich, Connecticut, United States
$160k-$210k/yr OnsiteFull Time
Libertas Funding
Libertas Funding: Provides revenue-based financing and term loans to small businesses.
7+ YOE7+ years in security and software engineering with hands-on DevSecOps and cloud security; experience with identity and access management, network and endpoint security, offensive security, CI/CD and IaC tooling.
Okta, Microsoft 365, Google Workspace, AWS, Terraform, OPA, CI/CD, NIST CSF, OWASP
2mo
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Systems Software & Integration Engineer 2026
Hartford, Connecticut, United States
$85k/yr OnsiteFull Time
Connecticut State Colleges & Universities
Connecticut State Colleges & Universities: Public system of colleges and universities in Connecticut.
4+ YOEBachelor's in CS/IS, 4+ years in ERP/system design and support (preferably Ellucian Banner), RDBMS and SQL experience, reporting tools (Argos/Cognos/PowerBI), strong communication and IT literacy.
Ellucian Banner, Oracle, Microsoft SQL, MySQL, Postgres, TOAD, SQL Developer, SQL, PL/SQL, PostgreSQL, Argos, Cognos, PowerBI, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams, Unix, Linux, HTML5, CSS, Bootstrap, JSON, Java, JavaScript, AngularJS, RESTful Web Services, NodeJS, React.js, Visual Studio, crontab, Automic, ISE (EnterpriseSCHEDULE), Ellucian Experience portal, Ellucian Data Connect, Ellucian Ethos, Intelligent Learning Platform (ILP), Blackboard
1mo
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AI/ML Lead Engineer
Stamford or San Ramon or San Mateo
$180k-$212k/yr HybridFull Time
Franklin Templeton
Franklin TempletonNYSE: BEN: Global investment firm providing asset and wealth management services.
5+ YOE5+ years software engineering experience including 2+ years deploying LLM/GenAI or agent-based systems; expert Python; experience with LangChain/OpenAI tool calling, vector DBs (Pinecone, FAISS), RAG, observability, and distributed services.
LangChain, OpenAI, Python, Pinecone, FAISS, Docker, Kubernetes, AWS, Azure, GCP
1mo
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Portfolio Analytics Engineer - Vice President
Greenwich, Connecticut, United States
$165k-$185k/yr OnsiteFull Time
AQR Capital Management
AQR Capital Management: Quantitative investment firm managing traditional and alternative strategies.
7+ YOEDegree in CS or related, 7+ years software engineering experience, deep Java and Python expertise, distributed systems and microservices experience, familiarity with Elasticsearch, Redis, RabbitMQ/AMQ, PostgreSQL, Microsoft SQL Server, and observability tooling.
Java, Python, Elasticsearch, Redis, RabbitMQ, AMQ, PostgreSQL, Microsoft SQL Server, New Relic
2mo
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AI Validation Engineer, Macro Technology
New York or Stamford
$140k-$200k/yr OnsiteFull Time
Point72
Point72: Global multi-strategy asset management and investment advisory firm.
8+ YOE8+ years in trading tech, QA, validation, or software delivery; strong SQL/data analysis; Playwright or similar automation; AI tooling in delivery lifecycle; excellent communication; ethical standards.
Playwright, SQL, APIs, Logs
2mo
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Full Stack Developer (CT, Middletown)
Middletown, Connecticut, United States
HybridFull Time
Reality Interactive
Reality Interactive: Designs and deploys digital merchandising and retail technology solutions.
5+ YOE5+ years in software development; 3+ years with C#/.NET; 3+ years front-end with React/Angular/Vue; Azure services; REST/OpenAPI; HTML/CSS/JavaScript/TypeScript; OAuth2/OpenID Connect; SQL; Git; automated tests; Agile; AI-assisted coding tools experience.
NET, Azure, React, Angular, Vue.js, HTML, CSS, JavaScript, TypeScript, OpenAPI, OAuth 2.0, OpenID Connect, SQL, Git, Automated testing frameworks
2mo
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Lead AI Engineer
O Fallon or Arlington or Purchase
$140k-$231k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Experience designing and deploying production-grade AI systems; lead multi-agent, tool-using architectures; strong cross-functional leadership; production observability and governance.
Copilot Studio, Azure AI Foundry, Salesforce Agentforce, Microsoft Power Platform
4d
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Senior Frontend Developer
Greenwich, Connecticut, United States
HybridFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
5+ YOE5+ years commercial SPA development experience; degree in CS or related; strong JavaScript/HTML/CSS skills; experience with Vue/React/Angular, TypeScript, webpack/Vite, API integration, and AI/agentic development tools.
Vue 3, TypeScript, VueJs, Vuex, Pinia, Vite, Cypress, webpack, React.js, Angular.js, Claude Code, JavaScript, HTML, CSS, LESS
1w
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Lead Solution Engineer
Windsor, Connecticut, United States
$122k/yr RemoteFull Time
Voya Financial
Voya FinancialNYSE: VOYA: Provides retirement, investment, and insurance products and services.
5+ YOEBachelor's in CS/CE or related,5+ years solution/software engineering experience,experience with DevOps tools,Azure DevOps,Linux/Windows/Network/Storage/Web/DB stacks,SDLC,change/release/incident management,DR planning.
GitHub, Jenkins, Artifactory, XL_Deploy, Azure DevOps, VOLO, ClearCase, Informatica, TWS, Business Objects
2mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git