308 senior fullstack developer jobs at 183 companies in United States

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Senior Fullstack Engineer
United States or Canada
$150k-$220k/yr RemoteFull Time
Clera
Clera: AI-powered talent agent matching candidates to startup roles.
5+ YOERequires 5–10+ years of fullstack engineering experience, TypeScript, JavaScript, Node.js, React, MongoDB, BigQuery, GCP, automated testing, and CI/CD experience.
TypeScript, JavaScript, Node.js, React, MongoDB, BigQuery, Google Cloud Platform (GCP), CI/CD
3mo
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Fullstack Engineer
Beaverton, Oregon, United States
RemoteFull Time
Oneleet
Oneleet: Cybersecurity and compliance platform helping companies achieve SOC 2, ISO 27001, and related frameworks.
5+ YOE5+ years fullstack development with Go and TypeScript/JavaScript; strong API (REST/gRPC) and UI (React); data transformation; observability; customer interaction.
Go, JavaScript/TypeScript, React, REST, gRPC, APIs, Monitoring/Observability
6d
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Senior Developer, Fullstack - Python
New York City or Austin or Miami or Dallas or Phoenix or São Paulo or Toronto
OnsiteFull Time, Contract
Appnovation
Appnovation: Full-service digital consultancy serving organizations through digital strategy, design, development, and support.
6+ YOEBachelor’s degree or equivalent and 6+ years in fullstack software engineering. Requires strong Python, frontend frameworks, APIs, testing, DevOps, cloud, AI-agent, and data-platform experience.
Python, FastAPI, Pydantic, JSON Schema, React, Vue.js, ES6, TypeScript, RESTful APIs, Git, CI/CD, AWS, MCP, Snowflake Cortex, Genie, Neo4j, Collibra, Unity Catalogue, Horizon, YAML, Docker, PostgreSQL, Databricks, Snowflake, Supabase, Next.js, Claude Code, GitHub Copilot
1mo
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Senior Fullstack Engineer - Growth
Los Gatos or Birmingham
RemoteFull Time
The Overflow
The Overflow: Private fintech SaaS platform helping churches, nonprofits, and mission-driven organizations process cash and non-cash donations.
5+ YOE5+ years fullstack engineering experience; strong React, TypeScript, Node.js; experience building RESTful APIs and relational schema; product-led growth mindset; mentorship and on-call participation.
React, TypeScript, Node.js, RESTful API
1mo
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Fullstack Developer Senior
United States
RemoteFull Time
KIS Solutions
KIS Solutions: Private technology consulting and software development firm delivering software systems for Fortune 500 companies and startups worldwide.
5+ YOE5+ years software engineering including senior/lead experience; expert Java/Spring Boot backend, React/TypeScript frontend, cloud-native (AWS), Kafka, PostgreSQL, CI/CD and testing practices.
React, Spring Boot, Spring Data JPA, Hibernate, Java, TypeScript, React Query, Zustand, PostgreSQL, REST APIs, AWS, EKS, RDS, S3, Google BigQuery, Apache Kafka, GitHub Actions, ArgoCD, Git, Kubernetes, Spring Batch, AG Grid, Microsoft Entra ID, MSAL, OAuth2/OIDC, MapStruct, Lombok, Terraform, AWS CDK, Cursor, Claude Code, GitHub Copilot, Kiro, Model Context Protocol (MCP), GitOps
3mo
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Senior Fullstack Engineer
New York City, New York, United States
$185k-$215k/yr HybridFull Time
Copilot Money
Copilot Money: Premium personal-finance app for U.S. consumers tracking spending, budgets, investments, and net worth.
6+ YOE6+ years software engineering; experience with Node.js, React, TypeScript; backend API design; cloud experience; AI tooling; NYC-based; strong communication.
Node.js, React, TypeScript, GCP, AWS, Cloudflare, Firebase, CI/CD, AI coding tools
2mo
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Fullstack Developer
New York City, New York, United States
$215k-$236k/yr OnsiteFull Time
Manifest OS
Manifest OS: AI-native legal technology providing software, branding, and back-office services to law firms.
7+ YOE7+ years shipping fullstack TypeScript (React/Next.js and Node.js); strong PostgreSQL/relational DB skills; production APIs; hands-on cloud experience (GCP preferred); daily use of AI coding tools.
Cursor, Copilot, v0, Node.js, TypeScript, React, Next.js, PostgreSQL, GCP, AWS, Azure
2w
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Senior Fullstack Developer
Irving, Texas, United States
$100k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesBSE: 532540: Global leader in IT services, consulting, and business solutions.
6+ YOEBachelor's degree in computer science, information technology, or related field; 6+ years of software development experience; strong Java, Spring, microservices, frontend, API, database, testing, and Agile skills.
Java, Spring Boot, Spring MVC, Spring Security, Spring Data JPA, Angular, React.js, Docker, Kubernetes, Git, Oracle, SQL Server, PostgreSQL, MySQL, CI/CD, Agile, Scrum
1mo
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Senior Fullstack Engineer
Menlo Park, California, United States
$200k-$288k/yr OnsiteFull Time
Snowflake
SnowflakeNYSE: SNOW: Cloud-based data platform for AI, analytics, and data applications.
Senior-level full-stack engineering experience building customer-facing products and scalable systems; proficient with JavaScript (React), Go, and Java; strong product sense, communication, and mentoring ability.
JavaScript, React, Go, Java
1mo
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Fullstack Engineer
New York City, New York, United States
$180k-$275k/yr OnsiteFull Time
Medal
Medal: A research lab and product team building large action and world models and consumer-facing platforms for video and gaming content.
5+ YOE5+ years fullstack experience; React, Redux, Node.js; strong performance and profiling skills; product ownership; experience with real-time video, payments, and social API integrations preferred.
React, Redux, Node.js, TikTok, YouTube, Instagram, Discord, Electron, Styled Components, C#, C++, Swift, Kotlin, Java, Redis, RabbitMQ, Kubernetes, Terraform, Salt, GitHub Actions, CircleCI
2w
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Senior Fullstack Engineer
United States
RemoteFull Time
Airtop
Airtop: AI web automation platform that helps marketers, sales teams, and operations staff build and run web agents.
5+ YOE5+ years building scalable production backend systems and APIs; strong distributed systems, cloud infrastructure, reliability engineering, and TypeScript skills; familiarity with Go or Python and frontend development.
Kubernetes, Pulumi, GCP, AWS, Kafka, Pub/Sub, SQS, Redis, TypeScript, Go, Python, Postgres, DynamoDB, OpenAI, Anthropic, Gemini, LangChain, LangGraph, Braintrust, LangSmith
3mo
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Fullstack Senior Software Engineer
Austin or Bellevue
$111k-$172k/yr HybridFull Time
Visa
VisaNYSE: V: Global leader in digital payments and transaction technology.
3+ YOESenior software engineer with front-end and back-end expertise; strong collaboration and problem-solving skills; 3+ years for Bachelor’s or 5+ years experience alternative.
HTML, Java, C++, C#, CSS, JavaScript, Python, APIs, Angular, React, Kubernetes, Docker, Git
1mo
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Sr. Fullstack Developer/React
Dallas, Texas, United States
HybridFull Time
Capco
Capco: Global business and technology consultancy for financial services.
Experience with fullstack development (MERN), React/JavaScript, SQL and Oracle; API integration (RESTful/GraphQL); Agile experience; strong problem solving and collaboration skills.
MERN, Oracle, JavaScript, React, SQL, RESTful, GraphQL, CI/CD, DevOps, Agile
3w
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Senior Fullstack Engineer
Da Nang or San Francisco or United States or Vietnam or Europe
OnsiteFull Time
Flodesk
Flodesk: Private email marketing and commerce SaaS platform for small businesses, creators, solopreneurs, and coaches.
Strong frontend or backend engineering skills; TypeScript, React, modern build tools, SOA, Golang or Node.js, databases, AWS, scalable systems, AI-assisted development, product thinking, ownership, and collaboration.
TypeScript, React, Vite, Turbo, Golang, Node.js, MongoDB, PostgreSQL, AWS, Claude Code, Cursor, Codex, Figma, Shopify, Zapier, WooCommerce, MacBook Pro
2mo
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Senior Fullstack Engineer
United States
$160k-$180k/yr RemoteFull Time
Arkestro
Arkestro: Private procurement software helping enterprise teams optimize sourcing with AI and game theory.
6+ YOE6+ years building customer-facing applications; 6+ years Ruby/Rails; 4+ years React/TypeScript/NextJS; 3+ years architecting full-stack apps; 2+ years AWS/Kubernetes; experience with AI-assisted development and SDLC collaboration.
React, TypeScript, AntD, Jest, React Testing Library, Playwright, Ruby, Rails, Node, Python, Postgres, Redis, Sidekiq, RSpec, Shell, SQL, Github, AWS, DataDog, Jira, Confluence, Qlty, Kanban, Scrum, NextJS, Figma, Claude Code, Claude Cowork, Google Suite, Slack, Fellow, Pagerduty, Sendgrid, Code Climate
3mo
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Senior Fullstack Engineer- Dallas, TX
Dallas, Texas, United States
$35k-$123k/yr OnsiteFull Time
Photon Interactive
Photon Interactive: Full-service digital agency driving AI-led digital transformation.
5+ YOE5+ years full stack development with Angular, Typescript, and Java/Spring; BS in CS/Engineering/Math; leadership; Agile; web services; Docker/Kubernetes/Terraform/AWS; CI/CD; Git.
Angular, Typescript, Java, Spring, Spring boot, Docker, Kubernetes, Terraform, AWS, JSON, XML, REST, SOAP, Jenkins, GitHub
4mo
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Senior Fullstack Engineer, Solve
Austin or Madison or San Francisco
$145k-$217k/yr HybridFull Time
Zendesk
Zendesk: Private SaaS providing customer service, sales, and customer communications software to businesses.
3+ YOE3+ years of production software experience; backend-first with APIs, async systems, integrations, and real-time systems; ownership of features end-to-end; experience with real-time or event-driven tech such as WebSockets/WebRTC.
Python, FastAPI, React, TypeScript, WebRTC, Redis, MongoDB, LLM / speech
3mo
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Senior Fullstack Software Engineer
San Diego, California, United States
RemoteFull Time
Gigantic Playground
Gigantic Playground: We turn ambition into execution for brands competing in the intelligence economy.
7+ YOE7+ years of industry experience; full-stack development; strong communication; SaaS/cloud experience; client-facing skills; leadership in delivery.
NodeJS, JavaScript, SQL, C#, Java, Swift, Kotlin, RabbitMQ, MongoDB, ExpressJS, React, Vue, Webpack, AWS, Azure, Google Cloud, Docker, Container, Terraform, Ansible
1w
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Fullstack Engineer, App Platform
San Francisco or Seattle or New York City or Los Angeles or United Kingdom or Ireland or Poland or Germany or Australia
$207k-$230k/yr HybridFull Time
Whatnot
Whatnot: Live shopping marketplace connecting buyers and sellers.
5+ YOERequires 5+ years of software development experience, a bachelor's degree or equivalent experience, React and GraphQL web development, scalable fullstack systems expertise, and strong product, ownership, mentoring, and problem-solving skills.
React, GraphQL, Next.js, Node, Python, Postgres
1w
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Senior Fullstack Developer
United States or Canada
$120k-$145k/yr RemoteFull Time
Reason One
Reason One: B healthcare digital agency helping health systems build accessible digital experiences that increase access to care.
3+ YOE3+ MgmtRequires 3+ years in technical leadership, 5+ years React, 4+ years Next.js, 3+ years TypeScript, enterprise CMS and API experience, healthcare platform integrations, DevOps, testing, communication, and agile practices.
React, Next.js, TypeScript, HTML, CSS, SCSS, JavaScript, WebPack, Git, Optimizely, Sitecore AI, Storyblok, Kontent.ai, GraphQL, REST, Epic, Cerner, MyChart, Kyruus Health, DexCare, Sparkle, Vercel, Cloudflare Workers, Azure Functions, AWS Lambda, GitHub Actions, Netlify, Claude, Scrum, Kanban