242 developer tools jobs at 167 companies in Danbury, CT

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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
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Application Developer-SAP ABAP HANA
Paramus or Chicago or New York
$114k-$212k/yr HybridMultiple Commitments Available
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
SAP ABAP HANA development, complex component design, HANA modeling, ABAP tools, and performance optimization.
ABAP, HANA Studio, ADT, ADBC, Native SQL, ABAP Core Data Services, ALV, HANA Live
3mo
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Junior Software Engineer - Automation & Integration
Ridgefield, Connecticut, United States
OnsiteFull Time
Fletcher Development
Fletcher Development: Builds luxury custom homes and provides residential estate management services.
Backend development in .NET (C#) and Python; REST APIs; databases; payments security; AI tooling.
.NET (C#), Python, REST APIs, PostgreSQL, SQL Server, Stripe, QuickBooks API, OneSignal, Twilio, SendGrid, Copilot
3w
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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
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Senior Software Engineer, Infrastructure & Developer Tooling
New York City or Glen Cove
$170k-$220k/yr HybridFull Time
Standard Bots
Standard Bots: Develops and manufactures AI-powered robotic arms for industrial automation.
7+ YOE1+ Mgmt7+ years software engineering; leadership in DevOps/infrastructure; strong CI/CD, distributed systems, and tooling; cloud platforms (AWS/GCP/Azure) and Kubernetes; security best practices; observability and monitoring; Python/NodeJS/TypeScript; robotics interest a plus.
Python, NodeJS, TypeScript, React, Docker, Kubernetes, Terraform, Postgres, Cloudflare
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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
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.NET Developer
Deer Park, New York, United States
$115k-$120k/yr RemoteFull Time
Fragrance.com
Fragrance.com: Online retailer of genuine brand-name fragrances and beauty products.
4+ YOE4+ years building C#/.NET applications, SQL Server, web framework experience (Blazor/ASP.NET/React), Git/SVN, RabbitMQ preferred, production support experience, AI tool (Claude) usage, clear written communication.
C#, .NET, SQL Server, Blazor, ASP.NET, React, Git, SVN, RabbitMQ, Jira, PagerDuty, Claude
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Java Web Application Developer
Greenwich, Connecticut, United States
HybridFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
3+ YOEMaster's in CS or related, 3+ years web application development, knowledge of Oracle/PL/SQL and Java, experience with Spring (Boot/MVC), SPA frameworks (Angular/Vue.js), HTML5/CSS3/TypeScript, Bitbucket/Gerrit, Gradle, UNIX/Linux; familiarity with AI-assisted coding tools.
Oracle, PL/SQL, Java, Spring Framework, Spring Boot, Spring MVC, Angular, Vue.js, HTML5, CSS3, TypeScript, Bitbucket, Gerrit, Gradle, Claude Code, UNIX, Linux
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
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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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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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
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
2mo
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Actuarial Manager, Pricing Tools (New York, NY, US)
New York City or Hartford or Chicago or Philadelphia or Princeton
$178k-$296k/yr OnsiteFull Time
Munich Re
Munich ReFrankfurt Stock Exchange: MUV2: Global provider of reinsurance, insurance, and risk management solutions.
8+ YOEManage pricing-tools transformation; FCAS; 8+ years pricing exp; Python; leadership; governance & adoption.
Python
1w
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Software Engineer II
Uniondale or Austin or Atlanta or Grand Rapids
$100k-$150k/yr HybridFull Time
Acrisure
Acrisure: Provides AI-powered insurance, financial, and business risk solutions.
4+ YOE4+ years professional software engineering experience; strong Python or JavaScript/TypeScript; experience building APIs, integrations, testing, debugging, automation, and production support; comfortable using AI-assisted tools (Claude Code preferred).
Python, JavaScript, TypeScript, Claude Code
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
2w
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Sr. Tooling Development Engineer
Garden City, New York, United States
$110k-$145k/yr OnsiteFull Time
AMETEK
AMETEKNYSE: AME: Manufacturer of electronic instruments and electromechanical devices.
10+ YOE10+ years tooling design and development experience; expertise in parametric CAD, ANSI drawings, GD&T, manufacturing processes, FMEA, hardware assembly/testing; US citizen or green card holder required.
2w
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Apriso Software Engineer, Associate
Aguadilla or Fort Worth or Grand Prairie or Littleton or Orlando or Stratford
$63k-$125k/yr RemoteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEUS citizen with Bachelor's in a related discipline or equivalent, 1+ year professional experience, Agile experience, Atlassian tools (BitBucket, Jira), strong programming in C#, Java, or Python, DB experience (Microsoft SQL Server or Oracle).
Atlassian tool suite, BitBucket, Jira, C#, Java, Python, Microsoft SQL Server, Oracle, DELMIA Apriso, Apriso process builder, RESTful APIs, spring-boot
2w
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Software Engineer I (AI Driven)
Hartford or St. Paul
$99k-$163k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
5+ YOEBachelor's degree or equivalent, ~5 years software engineering experience, 3 years programming, experience with AI-driven tools preferred, strong problem solving and communication.
2mo
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AI Engineer- Senior Associate
Orlando or Montvale or Dallas
OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
3+ YOEMinimum 3 years software engineering experience building/deploying AI or data-intensive applications; Python and AI framework experience; Bachelor's required, Master's preferred; Azure, containerization, CI/CD and SDLC tooling experience; U.S. work authorization required.
Python, LangChain, LlamaIndex, Semantic Kernel, Azure DevOps, Git, CI/CD, Azure, Docker, Kubernetes, Databricks, Azure AI Search