Full Stack Developer Jobs in Connecticut, United States

WorldQuant Millennium Advisors (WMA) seeks a Full Stack Developer to build and enhance internal analytical tools and dashboard applications supporting product, platform, and business workflows. The role combines business analysis, data analytics, and web development to create scalable, user-friendly internal applications.

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.

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.

The Alternatives Investment IT team within HIMCO is responsible for the development and maintenance of all business related applications and the related data environments supporting the business. This role requires you to develop and maintain a solid working knowledge of the investment management business, specializing in Private Equity, Private Placements, and Real Estate investing.

Our Pratt & Whitney Digital Technology team has an exciting new remote job opportunity for a Full Stack AI/ML Developer - Digital Products . What You Will Do: We have an exciting opportunity for a Full Stack | AI/ML Developer!

Date Posted: 2026-10-18

 Country: United States of America

 Location: US-CT-REMOTE

 Position Role Type: Remote

 U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

 Security Clearance Type: None/Not Required

 Security Clearance Status: Not Required At RTX, the world's largest aerospace and defense company, 185,000 g

We are seeking a talented and experienced Principal Software Architect to join our engineering team. In this role, you will help design and develop financial trading applications.

Butterfly Network, Inc. is driving a digital revolution in ultrasound imaging and sensing with its proprietary Ultrasound-on-Chip™ semiconductor technology and software solutions. As a Principal Full Stack Engineer, you will build the critical Enterprise Clinical workflows system within the Butterfly Cloud, solving distributed systems problems, designing scalable platform-level enterprise features, and mentoring engineers.

Travel Insured International (TII), a Crum & Forster company, is hiring a Senior Software Engineer, Full Stack in Glastonbury, CT, to join the Digital Transformation & Technology team. You will support the technical design and development of a new self-service developer portal built on Azure APIM, extending it with embedded React/Next.js web components for external partners.

Senior Lead Software Engineer, Full Stack at Capital One drives the RulesLab initiative, leading a team of developers to build cloud‑native, microservices‑based solutions that power underwriting and rule execution across the bank. With deep expertise in JavaScript, Java, TypeScript, Python, Go, and AWS, the role blends technical leadership, mentorship, and hands‑on coding to deliver high‑impact features for millions of customers.

AI Accelerator team at RTX builds enterprise‑ready AI solutions on the AI Factory, a common AI infrastructure. The engineer converts AI prototypes into production‑grade microservices, integrates LLMs and other models, and implements CI/CD, observability, and secure deployment on AWS and Azure.

Role As a Full Stack Engineer in the healthcare space, you’ll architect seamless, mission‑critical applications that clinicians and patients depend on. From polished interfaces to high‑performance backends, you’ll shape technology that improves care delivery and enhances lives.

As a Full Stack Engineer in the healthcare space, you’ll architect seamless, mission‑critical applications that clinicians and patients depend on. From polished interfaces to high‑performance backends, you’ll shape technology that improves care delivery and enhances lives.

Travel Insured International, a Crum & Forster company, is hiring Full Stack Engineers in our IT Team in Glastonbury, CT. Travel Insured International is a leading travel insurance provider with more than 30 years in business. As a key component of our Specialty Business Unit, within the Accident & Health division, TII provides travel protection plans to help each individual travel confidently.

The Staff Software Engineer is a hands-on technical leader who designs and delivers enterprise-grade software powering clinician-facing experiences and clinician performance management. In this role you will architect and build highly distributed, large-scale systems, set technical direction across the team, and raise the engineering bar through mentorship and cross-functional collaboration.

As a Full Stack Engineer in the healthcare space, you’ll architect seamless, mission‑critical applications that clinicians and patients depend on. From polished interfaces to high‑performance backends, you’ll shape technology that improves care delivery and enhances lives.

Join a team dedicated to building and maintaining Pratt & Whitney’s Development Network Application (DNA), a cloud-enabled, full-stack web platform that integrates data from multiple enterprise systems to streamline engine test, assembly, and validation workflows. This role focuses on creating scalable, modern web applications to support critical business operations and improve efficiency across various engineering processes.

We’re building a world of health around every individual — shaping a more connected, convenient and compassionate health experience. At CVS Health®, you’ll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do.

We are seeking a talented and experienced Lead Software Engineer to join our engineering team. In this role, you will help design and develop financial trading applications.

Who Are We? Taking care of our customers, our communities and each other. That’s the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 170 years.