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89 staff full stack engineer jobs at 65 companies in Wayne, NJ

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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
2mo
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Staff Full Stack Engineer
New York City, New York, United States
$250k-$300k/yr HybridFull Time
Knit
Knit: AI-native consumer research platform enabling rapid insights.
Engineer with full-stack experience, AI-native systems, LLM/agent experience, observability, security, ownership.
Python, TypeScript, FastAPI, React, Next.js, MongoDB, S3, Redis, Pinecone, AWS, Docker, Kubernetes, GitHub Actions, OpenTelemetry, Prometheus, Datadog, SQS
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2w
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Staff Full Stack Engineer - Partnerships Engineering
New York City or Denver or Leeds or Dublin
$144k-$237k/yr RemoteFull Time
Fanatics
Fanatics: Global digital sports platform for merchandise, collectibles, and betting.
8+ YOE8+ years software engineering experience with 2+ years in a staff-level technical leadership role. Strong full-stack background, experience building integration platforms and partner APIs, OAuth 2.0/OpenID Connect/SAML, distributed systems, multi-tenant environments, and strong communication.
Go, TypeScript, React, Kafka, OAuth 2.0, OpenID Connect, SAML
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1mo
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Staff Full-Stack Engineer
New York City, New York, United States
$220k-$240k/yr HybridFull Time
april
april: Embedded AI-powered tax platform for financial institutions.
8+ YOE8+ years software engineering experience (including 2+ years at senior/staff/principal level); cloud-native experience (GCP or AWS); backend microservices, REST/gRPC APIs; frontend frameworks (React/Vue/Angular); strong system design and communication skills.
GCP, AWS, React, Vue, Angular, gRPC, Protocol Buffers, Terraform, Kubernetes, CI/CD, REST
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3mo
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Senior/Staff Software Engineer (Full-Stack Engineer)
San Francisco or New York City
$120k-$180k/yr OnsiteFull Time
Actively AI
Actively AI: AI agents for automated enterprise revenue and sales operations.
5+ YOE5+ years shipping customer-facing full-stack products; strong React/TypeScript frontend; Python/FastAPI backend; architectural and product-minded; experience with AI-powered products.
Python, FastAPI, React, TypeScript, SQL, NoSQL, Caching, APIs
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1mo
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Staff Full Stack Engineer
New York City or United States
$177k-$230k/yr OnsiteFull Time
Fireblocks
Fireblocks: Provides secure infrastructure for moving and storing digital assets.
3+ YOE3+ years building production full-stack web applications; strong React and TypeScript; backend experience with Node.js and Express; experience with APIs, clean maintainable code, and interest in fintech/Web3.
React, TypeScript, Node.js, Express, Solidity, EVM
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3mo
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Senior/Staff Full Stack Engineer
New York City, New York, United States
$170k-$270k/yr OnsiteFull Time
Playground
Playground: Software platform for operational management of childcare centers.
5+ YOE5+ years in full stack development; proficient in React/TypeScript (frontend) and Node.js/Express (backend); RESTful APIs; cloud (GCP preferred); strong problem-solving and ownership.
React, TypeScript, Node.js, Express, REST APIs, GCP
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1mo
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Senior Staff Software Engineer - Full Stack
New York City or United States
$205k-$265k/yr HybridFull Time
Button
Button: Mobile commerce platform for deep-linking and attribution.
10+ YOE10+ years building production systems, deep full-stack expertise (UI, APIs, backend, data), 5+ years leading system design, strong JavaScript/TypeScript (React, NodeJS), Go, Python, ML productionization, cloud (AWS), SLOs and incident management, mentoring experience.
React, TypeScript, Go, NodeJS, Python, Docker, AWS, JavaScript
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1w
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Staff Full Stack Software Engineer (Backend) - Transition & Termination
New York or San Francisco
$189k-$315k/yr HybridFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
Extensive experience shipping complex full-stack, customer-facing products; product-minded approach; strong leadership, cross-functional communication, and problem-solving skills; ability to break down large visions into shippable milestones.
Slack, Microsoft 365, HRIS
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1mo
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Senior/Staff Full Stack Engineer
New York City or San Francisco
OnsiteFull Time
Lighthouse
Lighthouse: Technology-driven platform for U.S. immigration and visa services.
6+ YOE6+ years shipping frontend and backend product work; strong with TypeScript, React, and Python; experience with Postgres and GraphQL; able to lead end-to-end projects and solve complex systems problems.
React, TypeScript, Tailwind, Python, PostgreSQL, GraphQL, CRDTs, LLM
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3mo
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Staff Full Stack Engineer (Python + JavaScript)
New York City or Montreal
$240k-$280k/yr HybridFull Time
Tetrix
Tetrix: A fast-growing fintech startup delivering AI-powered data and analytics for institutional investors.
10+ YOE10+ years in Python and JavaScript; strong technical leadership; architecting complex systems; mentoring engineers; open source contributions a plus.
Python, JavaScript, Data pipelines, AI, Telemetry
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2mo
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Full Stack Product Engineer
Santa Monica or New York
$180k-$220k/yr HybridFull Time
Pivotal Health
Pivotal Health: AI platform automating healthcare insurance claim disputes for providers.
Full-time staff software engineer with backend focus, strong APIs, backend systems, data flows, and AI-enabled workflows; frontend work with React.
Python, FastAPI, PostgreSQL, SQLAlchemy, React, TypeScript, GCP
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3mo
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Staff+ Software Engineer, Full-stack
San Francisco or New York City or Seattle
$405k-$485k/yr OnsiteFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
8+ YOE8-10+ years full-stack experience; leadership; React/TypeScript; product-minded; startup/fast-moving env; cross-team collaboration.
React, TypeScript, REST APIs, LLMs, prompt engineering
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1mo
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Member of Technical Staff: Full-stack
New York City, New York, United States
OnsiteFull Time
Monk
Monk: AI-native accounts receivable automation platform for B2B companies.
6+ YOE6+ years shipping production full‑stack products, deep TypeScript fluency, experience with Next.js/Vercel/Supabase, strong product judgment, and ability to own end-to-end outcomes.
TypeScript, Next.js, Vercel, Supabase
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1mo
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Senior/Staff Full Stack Engineer, Applied AI
New York City, New York, United States
$155k-$225k/yr HybridFull Time
Fora
Fora: Platform for travel advisors to book and manage trips.
5+ YOEBachelor's degree or equivalent; 5+ years frontend/backend experience; 3+ years with React/Vue/Angular and 3+ years with Python (Django/Flask); experience with LLMs, APIs, distributed systems, testing, and async/streaming infrastructure.
React, Vue.js, Angular.io, Python, Django, Flask, Model Context Protocol (MCP), Anthropic, OpenAI, Celery, Redis, RabbitMQ, AWS, Kubernetes, SSE
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2mo
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Staff Software Engineer, Full Stack - New Verticals
New York, New York, United States
$260k-$310k/yr HybridFull Time
Harvey
Harvey: AI platform for legal research and document analysis.
8+ YOE8+ years of experience building and operating production software; full-stack, data pipelines, AI/workflow applications; strong cross-functional collaboration; based in New York with hybrid work setup.
Python, TypeScript, SQL, Cloud, ETL, APIs, Data processing, Observability, Databases
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2mo
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Staff Software Engineer – Full Stack
San Francisco or New York City
OnsiteFull Time
Claryo
Claryo: AI-powered spatial software for optimizing warehouse operations
5+ YOE5+ years building and shipping production systems; strong TS/React; API layer experience; ownership of end-to-end features.
TypeScript, React, Next.js, FastAPI, Python, Node.js
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3mo
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Staff Software Engineer - Product
New York, New York, United States
$190k-$270k/yr OnsiteFull Time
Avoca
Avoca: AI voice agents that automate customer calls for home services.
6+ YOE6-10 years full-stack engineering; AI/LLMs experience or willingness to learn; outcome-driven; strong cross-functional collaboration; startup experience preferred; in-person NYC full-time.
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1mo
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Frontend Full Stack Staff Software Engineer, AI Platform Experiences
New York City or Seattle or San Francisco or Denver or Los Angeles or San Jose
$163k-$247k/yr HybridFull Time
Gusto
Gusto: Cloud-based payroll and HR software for small businesses.
8+ YOE8+ years software development experience (4+ building scalable platforms), strong front-end skills, experience with Ruby on Rails, React, GraphQL, platform/AI experience preferred, mentoring and cross-functional collaboration skills.
Ruby on Rails, React, GraphQL
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2mo
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Staff Software Engineer
New York, New York, United States
$201k-$251k/yr HybridFull Time
Allara
Allara: Provides longitudinal virtual care for women's hormonal conditions.
7+ YOE7+ years software engineering; 2+ years in staff/principal; distributed systems; full-stack with Python/TypeScript/Go; AWS; healthcare/regulatory experience; mentorship; strong communication.
Python, TypeScript, Go, AWS
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1mo
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Member of Technical Staff
New York, New York, United States
OnsiteFull Time
Caddy
Caddy: Proactive AI assistant for automating workflows across work applications.
Experienced full-stack engineer; strong TypeScript experience; able to own large technical problems end-to-end, build scalable systems, ship to users, and iterate based on data and feedback.
TypeScript
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