264 fullstack senior software engineer jobs at 153 companies in United States
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Senior Fullstack Software Engineer - Network
United States or Canada
$190k-$220k/yr RemoteFull Time
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
2w
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Senior Fullstack Software Engineer
Irvine, California, United States
$170k-$200k/yr OnsiteFull Time
7+ YOEBachelor's degree or equivalent experience, 7+ years in software engineering, JavaScript framework expertise, PHP with Go or Java, cloud platforms, web applications, APIs, and technical mentoring experience.
PHP, JavaScript, React, Vue, Angular, Go, Java, Figma, Adobe Photoshop, AWS, Azure, Google Cloud Platform, Google Analytics, Adobe Creative Cloud, Docker, Kubernetes, CI/CD, Large Language Model (LLM), Retrieval-Augmented Generation (RAG)
3w
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Senior Software Engineer, Fullstack
New York City, New York, United States
$164k-$215k/yr HybridFull Time
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
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
1mo
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Senior Fullstack Software Engineer
Westford or Austin or Santa Clara
$184k-$357k/yr HybridFull Time
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++
1mo
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Senior Fullstack Software Engineer
Westford or Austin or Santa Clara
$184k-$357k/yr HybridFull Time
6+ YOEBachelor's degree in Computer Science or equivalent experience, 6+ years of software development experience, and strong Golang, Unix/Linux, TypeScript, JavaScript, database, algorithms, and computer architecture skills.
Golang, Unix/Linux, TypeScript, JavaScript, Docker, K8S, Ruby, C++
1mo
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Senior Fullstack Software Engineer
Westford or Austin or Santa Clara
$184k-$357k/yr HybridFull Time
6+ YOE6+ years software development; strong Golang and Unix/Linux experience; proven TypeScript and JavaScript web skills; database and algorithms knowledge; BS in CS or equivalent; adaptable to global teams.
Golang, Unix/Linux, TypeScript, JavaScript, Docker, K8S, Ruby, C++
1mo
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Fullstack Senior Software Engineer, ArsenalOS
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience, deep full‑stack web expertise (backend/frontend/integration), degree in CS/IS/EE or related, experience with high‑availability enterprise applications, U.S. Person required.
Javascript, React, Typescript, NextJS, ERP, MES, WMS, CRM
2mo
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Fullstack Software Engineer
Warsaw or Tel Aviv or Dallas
HybridFull Time
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
1d
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Senior Fullstack Engineer
United States or Canada
$150k-$220k/yr RemoteFull Time
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
1mo
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Senior Fullstack Software Engineer
United States
OnsiteFull Time
5+ YOE5+ years building full-stack TypeScript applications with React/Next.js and Node.js; experience with GraphQL, Apollo Server, MySQL, WebSockets, Docker, CI/CD, and modern auth (OAuth/OIDC/JWT); mentoring experience.
TypeScript, React, Next.js, App Router, Node.js, NestJS, GraphQL, Apollo Server, MySQL, Knex, WebSockets, OAuth, OIDC, JWT, Docker, CI/CD
1w
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Senior Fullstack Software Engineer
Québec City or New York
RemoteFull Time
5+ YOERequires 5+ years building customer-facing products, with independent React, TypeScript, and Python API/service ownership, strong product judgment, production-data experience, and AI development tool fluency.
React, TypeScript, Python, SQL, Snowflake, AWS, Microsoft Azure, Google Cloud
2mo
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Senior Software Engineer – Fullstack
Pennsylvania or United States
$125k-$188k/yr RemoteFull Time
5+ YOE5+ years building production systems; C#/.NET, Microsoft SQL Server, cloud (Microsoft Azure or AWS), API design, strong SQL skills, experience with Angular or React/Next.js preferred, daily use of AI coding tools (Cursor, Claude Code, Codex), strong testing/CI and security practices.
Cursor, Claude Code, Codex, C#, .NET, .NET Framework, ASP.NET, Microsoft SQL Server, Postgres, Kafka, Angular, React, Next.js, Microsoft Azure, AWS
1mo
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Senior Fullstack Software Engineer
American Fork, Utah, United States
OnsiteFull Time
5+ YOE5+ years building full-stack TypeScript apps with React/Next.js, Node.js (NestJS), GraphQL, MySQL, WebSockets, authentication (OAuth/OIDC, JWT), Docker and CI/CD.
TypeScript, React, Next.js, Node.js, NestJS, Apollo Server, MySQL, Knex, WebSockets, OAuth, OIDC, JWT, Docker, CI/CD
2mo
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Fullstack Senior Software Engineer
Foster City, California, United States
HybridFull Time
2+ YOEMaster's degree in a technical field or Bachelor's + 2 years, or 5 years related experience; expertise in one or more languages (Java, C#, C++, Python, PHP, JavaScript); experience building scalable services; familiarity with front-end (HTML, CSS, JavaScript) and modern tools (Angular, React, Kubernetes, Docker).
HTML, CSS, JavaScript, Java, C++, C#, Python, PHP, Angular, React, Kubernetes, Docker, APIs
3w
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Senior Fullstack Software Engineer
Arlington, Virginia, United States
$170k-$215k/yr HybridFull Time
5+ YOERequires 5+ years of full-stack experience, end-to-end feature ownership, user-focused problem solving, and ability to obtain and maintain a TS/SCI security clearance.
AI/ML, APIs
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
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 Software Engineer (Backend/Fullstack Lead)
Charlottesville, Virginia, United States
$116k-$209k/yr OnsiteFull Time
8+ YOEExpert Java and Spring Boot backend/fullstack experience, Linux, Docker, Kubernetes, AWS, helm/helmfile, Kafka/NiFi/GeoMesa familiarity, ability to obtain DoD Top Secret/SCI clearance, senior-level software engineering and technical leadership.
Kafka, AWS, NiFi, GeoMesa, Java, Spring Boot, Linux, Docker, Kubernetes, helm, helmfile, Python
2mo
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Fullstack Software Engineer
Dallas, Texas, United States
$140k-$180k/yr OnsiteFull Time
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
1mo
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Senior Software Engineer, Fullstack (Card Acquisition)
United States
$173k-$255k/yr RemoteFull Time
4+ YOE4+ years as a software engineer; experience with React Native, mobile (Swift/Kotlin), web (React/Vue), JS/TS, backend systems (Python/Kotlin), AWS, MySQL, Kubernetes; strong communication and leadership; BS or equivalent.
React Native, Swift, Kotlin, React, Vue, JavaScript, TypeScript, Python, AWS, MySQL, Kubernetes, CI/CD
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