Full Stack Developer Jobs in Connecticut, United States

CVS Health’s Aetna Technology Delivery team, part of the Digital, Data, Analytics & Technology organization, is hiring a Full Stack Developer to build and enhance a cutting‑edge Conversational AI platform that empowers members to get health‑related answers through their preferred channel. The role requires 1+ years of full‑stack experience with NodeJS and Python, debugging, data analysis, and cloud deployment on AWS, Azure or Google Cloud.

Our startup seeks an experienced Full-Stack Engineer/Developer to harness big data and machine learning for impactful solutions. You’ll collaborate with founders and Y‑Combinator graduates, design features from concept to wireframe, build across the stack, write rigorous tests, and streamline deployment pipelines.

Full Stack Developer on the Compression Systems Engineering team at RTX, building scalable enterprise applications that enhance engineering workflow. The role develops and maintains technical components, builds reusable modules, implements end‑to‑end solutions, and partners with internal customers to translate requirements into robust Python and AWS services.

Senior IT Engineer – Full Stack Developer

Senior Full Stack Developer at CVS Health responsible for building identity, authentication, and federation applications using cloud technologies. Works on enterprise-wide applications for CVS Healthcare Identity Management, including microservices, Docker/containers, CI/CD, and cloud migration of on-premise apps.

CVS Health seeks a Staff Software Development Engineer with full stack expertise in Java/Node, leading technical design, security, and executive communication. The role drives end‑to‑end development, mentors juniors, and collaborates across business and technical teams to deliver scalable, compliant solutions in healthcare.

AI-Augmented Development team at The Hartford builds AI‑enhanced full‑stack applications to accelerate development velocity and improve code quality. The Staff Software Engineer designs, implements and ships end‑to‑end features across frontend, backend and cloud layers while integrating LLM APIs, prompt engineering and AI‑powered tools.

Voya Financial is seeking a Senior Full Stack Java / Heavy UI Software Developer to join the Enterprise Digital Technologies team. The role focuses on building engaging web platforms using JavaScript, Angular, Polymer, Lit-Element, and modern web components.

Full Stack React Developer needed to build and maintain scalable React components, collaborate with design and backend teams, and optimize applications for performance. Role requires strong ReactJS, JavaScript/TypeScript, and Python backend experience, with familiarity in Azure and UI/UX design principles.

Guidehouse’s Full Stack Engineer team builds a secure, AI‑enabled analytic and decision‑support platform for DoW, federal, and enterprise stakeholders. The role designs, develops, tests, and deploys full‑stack application capabilities, integrating AI, secure coding, and cloud CI/CD practices to support analyst productivity and operational workflows.

Crowe seeks a Full Stack Engineering Manager to lead AI‑powered solutions across enterprise systems, blending backend services, agentic AI frameworks, and ERP integration. The role blends architecture, full‑stack development, and team mentorship in a distributed, flexible environment.

AI Center of Excellence (AI COE) at The Hartford builds reusable AI assets and Agentic AI platforms for the enterprise. The AI Engineer Full Stack designs and develops interactive AI‑native front‑end applications and full‑stack services powered by AI agents and LLMs, collaborating with product, UX, and AI teams.

Accenture’s Nextira team seeks a Full Stack Engineer Specialist to design, develop, and operate custom web applications across AWS, Azure, and on‑prem environments. Candidates will build and maintain cloud infrastructure using Terraform and AWS CDK, manage APIs, and support clients with Linux‑based systems.

DoorDash’s People Applications team builds end‑to‑end solutions for talent acquisition and employee experience. As a Full Stack Engineer, you’ll design, develop, and maintain web applications and microservices that power HR processes across the organization.

Nextira, part of Accenture, drives cloud‑based solutions with AI, ML and data analytics for enterprise clients. As a Full Stack Engineer Manager you will lead design and delivery of scalable, secure full‑stack applications, mentor engineers, and partner with product and client teams to ensure high‑quality, maintainable code.

Full-Stack Software Engineer at Gartner, building scalable, secure applications for Digital Product Technology. Responsibilities include developing Java and front-end solutions, collaborating with cross-functional teams, and ensuring high-quality code.

Do you want to be part of an exciting initiative to combine foundational IT with new digital technologies? The Enterprise Services team, part of the RTX Digital Technology function, delivers value by building foundational capabilities to enable innovative software solutions for the enterprise.

Do you want to tackle the biggest questions in finance with near infinite compute power at your fingertips? G-Research, a leading quantitative research and technology firm with offices in London and Dallas, is hiring a Treasury and Middle Office Full‑Stack Engineer.

Peer Insights Team at Gartner builds high‑performance web solutions that power Gartner’s AI‑driven insights. The Full Stack Software Engineer develops secure, scalable Java/Spring and Next.js applications, owns delivery, and translates design specs into responsive UIs. Stamford, CT, Hybrid work model with onsite collaboration.

Front Office Full-Stack Engineer at G-Research will expand and own the command & control infrastructure for a real-time trading platform, working with teams in London and Connecticut. Responsibilities include enhancing the existing C# / TypeScript stack, defining UX strategy, and ensuring enterprise-grade engineering practices.