391 software engineer fullstack jobs at 218 companies in United States

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Fullstack Software Engineer
San Francisco, California, United States
$170k-$200k/yr HybridFull Time
Collective
Collective: Private U.S. financial back-office platform serving self-employed entrepreneurs with formation, accounting, bookkeeping, payroll, and tax services.
3+ YOE3–4 years of production software experience; strong fullstack skills (Python, Django, React); experience with external APIs and real-world data; hands-on AI developer tools; ability to ship end-to-end features with instrumentation; SQL and data warehousing (BigQuery a plus).
Python, Django, React, SQL, BigQuery, APIs
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Senior Fullstack Software Engineer, Growth
United States
$163k-$215k/yr RemoteFull Time
Algolia
Algolia: AI search and discovery software serving businesses with APIs for digital commerce, content, and enterprise knowledge.
Fullstack software engineer with experience in JS/TS, React, Ruby, and server-side languages; familiar with AWS/GCP and data-driven growth projects.
Ruby, Golang, JavaScript, TypeScript, React, HTML/CSS, GCP, AWS
2mo
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Fullstack Software Engineer
Warsaw or Tel Aviv or Dallas
HybridFull Time
Island
Island: Enterprise browser helping organizations secure web work, control access, and improve employee productivity.
Deep software engineering fundamentals (data structures, algorithms, automated testing), proven experience building robust, scalable systems, strong analytical and communication skills, adaptability to evolving technologies and agile practices.
Chromium
1mo
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Fullstack Software Engineer
Irvine, California, United States
$130k-$170k/yr OnsiteFull Time
TP-Link Systems Inc.
TP-Link Systems Inc.: Private U.S.-based networking-equipment and smart-home-device maker serving consumers, businesses, and service providers globally.
5+ YOEBachelor's degree or equivalent experience, 5+ years in software engineering, JavaScript framework expertise, PHP plus Go or Java backend experience, and web application, SEO, accessibility, and responsive design experience.
React, Vue, Angular, PHP, Go, Java, Figma, Adobe Photoshop, Google Analytics, Core Web Vitals, Adobe Creative Cloud
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Senior Fullstack Software Engineer - Network
United States or Canada
$190k-$220k/yr RemoteFull Time
Conveyor
Conveyor: AI customer trust platform automating security reviews and RFPs for SaaS companies.
5+ YOE5+ years fullstack engineering experience building B2B SaaS; strong Python, React, Ruby on Rails, PostgreSQL and AWS experience; familiarity with LLMs; excellent communication and product sense.
Python, React, RESTful APIs, Ruby on Rails, PostgreSQL, AWS, LLMs
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Fullstack Software Engineer (AI-Native)
Cambridge, Massachusetts, United States
$150k-$200k/yr HybridFull Time
Proton.ai
Proton.ai: The industry cloud platform for distributors providing AI-powered sales, CRM, catalog management, and order entry.
5+ YOE5+ years fullstack delivery; strong fundamentals; hands-on with AI tools; generalist across frontend/backend; excellent communication and ownership.
TypeScript, Vue, Python, SQL, PostgreSQL, Claude Code, Cursor, Codex
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Fullstack Software Engineer II
United States
OnsiteFull Time
LiveView Technologies
LiveView Technologies: Private mobile security providing rapidly deployable surveillance hardware and SaaS software to public and commercial organizations.
3+ YOE3+ years software engineering experience with TypeScript, React/Next.js, Node.js, REST/GraphQL, relational databases, testing, and modern development tooling.
TypeScript, React, Next.js, Node.js, GraphQL, REST, MySQL, Knex, Git, Docker, CI/CD
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Fullstack Software Engineer
Dallas, Texas, United States
$140k-$180k/yr OnsiteFull Time
4MindsAI
4MindsAI: Enterprise AI platform that fine-tunes, deploys, and continuously improves private language models for organizations.
5+ YOEBachelor's degree in CS/Engineering, 5+ years full-stack experience; strong with React.js, TypeScript, Node.js, Python/FastAPI, and/or Go; REST/GraphQL, SQL/NoSQL, containerization, CI/CD, security, and enterprise-scale systems.
React.js, TypeScript, Node.js, Python, FastAPI, Go, GraphQL, SQL, NoSQL, Redux, Context API, WebSocket, CI/CD, AWS, GCP, Azure, Databricks, Microsoft, Google
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Fullstack Software Engineer II
American Fork, Utah, United States
OnsiteFull Time
LiveView Technologies
LiveView Technologies: Private mobile security providing rapidly deployable surveillance hardware and SaaS software to public and commercial organizations.
3+ YOE3+ years software engineering experience with TypeScript across frontend and backend; experience with React/Next.js, Node.js, APIs, relational databases, testing, and modern dev tooling.
TypeScript, React, Next.js, Node.js, GraphQL, MySQL, Knex, Git, Docker, CI/CD
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Fullstack Software Engineer, Applied AI
San Francisco, California, United States
$130k-$500k/yr OnsiteFull Time
Mercor
Mercor: AI-powered talent marketplace connecting contractors with global organizations.
5+ YOE5+ years fullstack experience; JS/TS (React/Next.js); Python/Node.js backend; data pipelines; strong UX; able to own frontend and backend.
React, Next.js, Python, Node.js, REST, Relational databases
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Fullstack Software Engineer, AI Agents (Copy)
San Francisco, California, United States
$150k-$250k/yr OnsiteFull Time
11x.ai
11x.ai: Private AI automation building autonomous digital workers for sales, RevOps, and go-to-market teams.
3+ YOE3+ years as software/product engineer; strong fullstack with TypeScript, React, Next.js, Node.js; ownership of products from concept to launch; high agency; strong product intuition; able to work in ambiguity; bias toward building and prototyping; strong cross-functional communication; interest in AI-native workflows.
TypeScript, React, Next.js, Node.js, Cursor, Claude, Windsurf, v0
3w
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Senior Software Engineer, Fullstack
New York City, New York, United States
$164k-$215k/yr HybridFull Time
Oscar Health
Oscar HealthNYSE: OSCR: Technology-driven health insurance and managed care provider.
5+ YOE5+ years of professional software engineering experience; expertise building fault-tolerant, scalable systems and writing stable, correct, maintainable code. TypeScript, JavaScript, Python, and/or Golang experience is preferred.
TypeScript, JavaScript, Python, Golang
2mo
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Senior Software Engineer, Fullstack (Healthcare)
New York City, New York, United States
$225k-$300k/yr OnsiteFull Time
CLEAR
CLEARNYSE: YOU: Provides biometric identity verification and expedited travel security services.
6+ YOE6+ years fullstack experience; deep knowledge of healthcare interoperability (FHIR, HL7 v2), EHR integrations (Epic), secure API/authentication, and identity assurance standards; strong backend/frontend skills.
Python, React, TypeScript, AWS, FHIR, HL7 v2, Epic, Interconnect, TEFCA, QHINs, Carequality, NIST IAL2
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Software Engineer II / Senior Software Engineer (Fullstack)
United States or North America
$171k-$233k/yr RemoteFull Time
Aptible
Aptible: A PaaS that helps startups and developers launch secure, reliable, compliant applications.
3+ YOEFullstack engineer with experience shipping production software; mid-level to senior, strong communication, cloud/DevOps familiarity.
Ruby on Rails, React, TypeScript, Go, Ruby, Terraform
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Fullstack Software Engineer, Notifications Lifecycle
San Francisco, California, United States
$164k-$229k/yr RemoteFull Time
Reddit
RedditNYSE: RDDT: Social news aggregation, web content rating, and discussion platform.
3+ YOE3+ years software engineering; full stack experience; frontend in Typescript, backend in GraphQL, Go, or Python; strong testing and reliability.
Go, Python, Typescript, GQL, Spark, Kafka, Airflow, BigQuery, Redis, Cassandra, PostgreSQL, Kubernetes, Docker
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Senior Fullstack Software Engineer
Westford or Austin or Santa Clara
$184k-$357k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Computing platform for AI and accelerated graphics.
6+ YOEExpertise in Golang, TypeScript/JavaScript, Unix/Linux, database concepts, algorithms; BS in Computer Science or equivalent; 6+ years software development experience.
Golang, Unix/Linux, typescri pt, javascript, Docker, K8S, Ruby, C++
2mo
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Software Engineer - Fullstack
Detroit or Washington
$85k-$100k/yr HybridFull Time
LoVasco Consulting Group
LoVasco Consulting Group: Optimizing Total Rewards. Maximizing Financial Well-Being.
1+ YOEFullstack engineer with minimum 1 year experience (1–3 years typical), strong web framework and database fundamentals, design- and product-minded, strong writing and learning aptitude.
React, Next.js, NestJS, Prisma, PostgreSQL, AWS, Terraform, CI/CD
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Fullstack Software Engineer
San Francisco, California, United States
OnsiteFull Time
Physical Intelligence
Physical Intelligence: AI robotics developing foundation models and learning algorithms for robots and physically actuated devices.
Strong full-stack experience building production web applications and APIs with React, TypeScript, and Python; experience with databases, analytical systems, queues, cloud, and containerized environments.
React, TypeScript, Python, Postgres, ClickHouse, GCP, Kubernetes
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Fullstack Software Engineer
Redwood City, California, United States
OnsiteFull Time
Integrated Biosciences
Integrated Biosciences: Private biotechnology developing small-molecule therapeutics for age-related diseases with synthetic biology, chemistry, and AI.
Bachelor’s or master’s in CS; experience building full stack systems; cloud provisioning and deployment; AI tool fluency; interest in drug discovery.
PostgreSQL, Typescript, React, Docker, AWS, Vercel, ROS2, Codex, Claude Code, Opencode, Grok
2mo
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Staff Software Engineer - Fullstack
San Francisco or New York City or London or Sydney
$240k-$270k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Private cloud analytics platform helping business and technical teams analyze live warehouse data and build AI applications.
10+ YOE10+ years building and deploying high-quality web software; strong CS fundamentals; experience with Rust, Go, GraphQL, and TypeScript; continuous deployment and distributed systems experience preferred.
Rust, Go, GraphQL, TypeScript, SQL, Python