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702 full stack software engineer jobs at 432 companies in Fairfield, CT

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Full Stack Software Engineer - Enterprise
San Francisco or New York City
$140k-$260k/yr HybridFull Time
Substack
Substack: Platform for independent writers to publish and monetize newsletters.
2+ YOE2-8 years of full stack software engineering; autonomous; high production standards; CS degree or equivalent; startup/activation experience a plus.
Typescript, Node/Express, React, Postgres, Redis, DynamoDB
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2mo
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Full-Stack Software Engineer
New York City, New York, United States
$160k-$260k/yr HybridFull Time
GovWell
GovWell: Automates permitting and licensing for local government agencies
3+ YOE3+ years full-stack development; startup experience preferred; proficient with modern web stack and AI tooling; ownership of features end-to-end.
React, TypeScript, Node.js, GraphQL, PostgreSQL, RedwoodJS, AWS, OpenAI API
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3mo
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Full-Stack Software Engineer, Reinforcement Learning
San Francisco or New York City
$300k-$405k/yr OnsiteFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
Strong full-stack software engineering, proficient in Python and a modern web stack, track record shipping systems that solve hard problems, ability to work with researchers and vendors.
Python, JavaScript, React, TypeScript, Docker, CI/CD, GCP, AWS
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1mo
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Full Stack Software Engineer
New York City or Denver
$125k-$160k/yr HybridFull Time
Gen II Fund Services
Gen II Fund Services: Global fund administration for private capital asset managers.
3+ YOE3+ years full stack development with Java, Spring, TypeScript/React; SQL Server; CI/CD; microservices; Git; agile; strong communication.
Java, Spring Boot, Spring Security, Spring Data, TypeScript, React, SQL Server, Azure DevOps, Docker, Kubernetes, JUnit, Mockito, Jest, Playwright, Claude Code, Cursor, LangChain, LangGraph, Sage Intacct
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3mo
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Full Stack Software Engineer
New York, New York, United States
OnsiteFull Time
Aviator
Aviator: AI-powered care coordination platform for patients.
3+ YOE3+ years full-stack experience (Python/TypeScript, Postgres, APIs/SDKs); strong product sense; familiar with agent frameworks and AI tools.
Python, TypeScript, PostgreSQL, APIs/SDKs, EHRs, licensing systems, insurance platforms
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4w
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Full Stack Software Engineer
New York, New York, United States
$145k-$175k/yr HybridFull Time
Regard
Regard: An AI-powered proactive documentation platform that improves clinical documentation and care delivery.
3+ YOEBS in CS or equivalent, 3+ years full-stack experience, on-call operational support, able to travel up to 4 weeks/year, strong verbal/written communication, US work authorization and NYC-area residency required.
TypeScript, React, Python, FastAPI, Flask, Celery, Go, PostgreSQL, Redis, Docker, Kubernetes, AWS, GitLab CI/CD, OpenAPI, OpenAI, Cursor, Claude Code, Codex
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4d
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Full Stack Software Engineer
Arlington or New York
$160k-$210k/yr HybridFull Time
Quartermaster AI
Quartermaster AI: Deploying AI-powered sensor networks for maritime domain awareness.
2+ YOE2+ years full-stack experience preferred. Strong React and JavaScript/TypeScript, Spring Boot backend, PostGIS, AWS (S3,Lambda,ECS/EKS), container/Kubernetes, Git, CI/CD, and real-time data handling skills.
React, JavaScript, TypeScript, Spring Boot, PostGIS, AWS, S3, Lambda, ECS/EKS, Kubernetes, Git, WebSockets, SSE, Mapbox, Leaflet, Deck.gl
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4w
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Senior Full-Stack Software Engineer
New York City, New York, United States
$150k-$170k/yr HybridFull Time
Mintz Group
Mintz Group: Global investigative services for risk management and due diligence.
10+ YOE3+ Mgmt10+ years shipping production software with full-stack experience in C#, .NET, JavaScript, React, and Python; 3+ years management experience; AI/ML integration, cloud and containers, strong architecture, SDLC/DevOps, and a bachelor\u0002s degree required.
C#, .NET, JavaScript, React, Python, AI, Machine learning, APIs, Containers, Cloud, SDLC, DevOps
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1mo
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Senior Full-Stack Software Engineer
New York City, New York, United States
$230k-$320k/yr OnsiteFull Time
Sandstone
Sandstone: AI-native platform for in-house legal departments.
6+ YOE6+ years full-stack/product engineering experience with end-to-end product ownership, strong analytical and problem-solving skills, high attention to detail, and product-minded collaboration with customers and cross-functional teams.
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1mo
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Full Stack Software Engineer
New York City or United States
$160k-$220k/yr HybridFull Time
Conductor AI
Conductor AI: AI platform for automating government compliance and approval workflows.
4+ YOEUS citizenship required; 4+ years software engineering; strong communication; proactive; NLP and LLMs experience; system design; end-user interaction; cybersecurity knowledge; Python and TypeScript.
Python, TypeScript, LLMs, NLP
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2mo
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Senior Full-Stack Software Engineer
New York City or London or Colombo or Singapore or Manila or Philippines
₱100k-₱150k/yr RemoteFull Time
EDGE Tutor International
EDGE Tutor International: Provides on-demand online tutoring and teacher management services.
10+ YOE10+ years experience building scalable full-stack systems; strong frontend with React, TypeScript, Vite; backend APIs with NestJS; PostgreSQL and Prisma ORM; experience with AWS (S3, SES) and AI integration.
ChatGPT, Claude, GitHub, React, TypeScript, Vite, NestJS, PostgreSQL, Prisma ORM, S3, SES
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1mo
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Senior Full-Stack Software Engineer
San Francisco or New York City
$150k-$170k/yr HybridFull Time
Shef
Shef: Marketplace connecting local home chefs with customers for meal delivery.
5+ YOE5+ years professional software engineering experience; strong with React, TypeScript, and Node; product-minded, able to lead ambiguous projects, mentor engineers, and drive high-quality outcomes.
React, TypeScript, Node
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3mo
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Senior Full-Stack Software Engineer
New York, New York, United States
$140k-$150k/yr HybridFull Time
Partner Engineering & Science
Partner Engineering & Science: Provides engineering and environmental consulting for commercial real estate.
5+ YOE5+ years software development; BS in Computer Science/Engineering; Ruby on Rails, VueJS/React; AWS; mentoring and leadership.
Ruby on Rails, Vue.js, React, AWS, Git, Docker, Kubernetes, CI/CD, GitHub Actions, Travis CI, New Relic
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3mo
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Full Stack Software Engineer
New York City, New York, United States
$100k-$200k/yr OnsiteFull Time
Alpaca Health
Alpaca Health: Enabling clinicians to launch and scale independent autism care clinics.
4+ YOE4+ years of experience in building reliable software, strong code ownership, expertise with data models, APIs, and state machines; healthcare/fintech domain experience preferred.
TypeScript, JavaScript, Node.js, SQL, LLM, API design, Data modeling
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2mo
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Senior Software Engineer, Backend Full Stack - Rippling AI
New York or San Francisco
$168k-$280k/yr HybridFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
5+ YOE5+ years software engineering experience; full‑stack production delivery; familiarity with Python, Django, React, Postgres, MongoDB, and AWS; strong problem‑solving and cross‑functional collaboration skills.
Python, Django, React, Postgres, MongoDB, AWS, Slack, Microsoft 365
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2mo
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Software Engineer, Full Stack
Menlo Park or New York City
$150k-$273k/yr HybridFull Time
Prophet Security
Prophet Security: Software platform for automating cybersecurity threat investigation and response.
5+ YOE5+ years of professional software engineering, strong frontend with React/TypeScript, full-stack capabilities, collaborative mindset.
React, TypeScript, Python, Go
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1mo
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Senior Full Stack Software Engineer
New Haven, Connecticut, United States
$124k-$187k/yr OnsiteFull Time
D-Wave Quantum
D-Wave QuantumNYSE: QBTS: Provides commercial quantum computing systems, software, and cloud services.
5+ YOEBachelor's or higher in CS/ECE/math/physics, 5+ years full‑stack experience, strong Python and another high‑level language (Go/C++/Java), front‑end frameworks (Vue.js/React), AWS, SQL/PostgreSQL, Git, Docker, Kubernetes, RESTful APIs, testing, and mentorship experience.
Python, Go, C++, Java, Vue.js, React, AWS, PostgreSQL, Git, Docker, Kubernetes, RESTful APIs
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2mo
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Full-Stack Software Engineer, Core Platform
Arlington or New York City
OnsiteFull Time
Lumbra
Lumbra: Building AI orchestration frameworks for secure intelligence environments.
Design backend APIs with FastAPI, PostgreSQL; build React frontend; own full-stack features; implement testing strategies; optimize performance.
FastAPI, PostgreSQL, SQLAlchemy, Python, React, TypeScript
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1mo
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Full Stack Software Engineer
New York or Denver
$125k-$160k/yr HybridFull Time
Gen II Fund Services
Gen II Fund Services: Provides fund administration services to private capital asset managers
3+ YOE3+ years in full stack development; strong Java and frontend skills; experience with AI tooling and cloud/DevOps; financial tech exposure preferred.
Java, Spring Framework, TypeScript, React, Azure DevOps, SQL Server, Docker, Kubernetes, Git, JUnit, Mockito, Jest, Playwright, Claude Code, Cursor, LangChain, LangGraph, Python, Sage Intacct
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1w
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Full-Stack Software Engineer
San Francisco or New York City or Austin or Seattle
$150k-$350k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
5+ YOE5+ years engineering experience; production code in Go, Python, or TypeScript; hands-on LLM API and agent experience; strong systems thinking, autonomy, and communication skills.
Go, Python, TypeScript, OpenAI, Anthropic, Claude Code, Cursor
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