51 senior fullstack developer jobs at 36 companies in Lake Success, NY
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Senior Fullstack Engineer
New York City, New York, United States
$185k-$215k/yr HybridFull Time
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
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
1mo
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Fullstack Engineer
New York City, New York, United States
$180k-$275k/yr OnsiteFull Time
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
1mo
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Senior Fullstack Engineer
New York, New York, United States
$112k-$180k/yr OnsiteFull Time
6+ YOE6+ years building production web applications; strong front-end (React, TypeScript, Next.js) and back-end (Python, FastAPI) experience; SQL comfort; experience with cloud platforms, Databricks, CI/CD, and integrating UIs with long-running job systems.
React, TypeScript, Next.js, Python, FastAPI, SQL, JSON, Databricks, Genie, AWS, Google Cloud, CI/CD
1mo
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Senior Fullstack Engineer
New York, New York, United States
$112k-$180k/yr HybridFull Time
6+ YOE6+ years building internal/enterprise web apps; strong front-end (React, TypeScript, Next.js), backend Python with async frameworks (FastAPI), REST/JSON, and SQL; experience with job orchestration, long-running workflows, and cloud data platforms.
React, TypeScript, Next.js, Python, FastAPI, REST APIs, JSON, SQL, Databricks, AWS, Google Cloud, CI/CD, Genie
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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
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.NET Fullstack Developer
Jersey City, New Jersey, United States
$100k-$120k/yr OnsiteFull Time
6+ YOE.NET and Angular fullstack experience, 6+ years in apps development, strong UI and backend skills, SQL/NoSQL knowledge, SCM and DevOps tooling, bachelor's in computer science or equivalent.
.NET, Angular, HTML, CSS, SQLSERVER, Kafka, Python, SQL, Oracle Database, NOSql DB, GIT, JIRA, OpenShift, Docker, AWS, S3, Azure, LLM, copilot
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Fullstack Developer
Berkeley Heights or New York City
FieldFull Time
Orion Innovation: Provides digital transformation, software engineering, and cloud services.
5+ YOEBachelor's degree or equivalent, 5+ years writing production code, experience with Django/Rails/Laravel, Python required, strong React skills, unit/integration testing, collaboration with product teams.
Django, Rails, Laravel, Python, React
2mo
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Fullstack Developer (US)
New Jersey or New York City or San Francisco
OnsiteFull Time
5+ YOEBachelor's in CS, 5+ years full-stack development across front- and back-end, experience with React/Next.js and Python, cloud-native experience, overlap 3 hours/day with Pacific Time, strong communication.
React, Next.js, Jest, React Testing Library, Python, AWS, Azure, GCP, Docker, Kubernetes, CI/CD
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Senior Fullstack Product Engineer (Go)
London or New York City or San Francisco or Palma or Casablanca
OnsiteFull Time
Experienced Go backend and modern frontend (Next.js/Vue.js) developer with product focus, UX judgement, and ability to own features end-to-end.
Golang, Next.js, Vue.js
2mo
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Senior Fullstack Engineer, Growth & Monetization
New York City or San Francisco or Boston
$175k-$240k/yr OnsiteFull Time
Extensive full-stack experience with React, TypeScript, and Go and/or Python; familiarity with Postgres, Redis, REST APIs, usage metering, subscriptions, and monetization systems; strong product intuition and analytics-driven mindset.
LangSmith, LangChain, LangGraph, Deep Agents, LangSmith Engine, React, TypeScript, Python, Go, REST APIs, Postgres, Redis
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Senior Fullstack Engineer - Growth + Onboarding
New York City or San Francisco or Los Angeles
$180k-$210k/yr HybridFull Time
6+ YOE2+ Mgmt6+ years software engineering experience with recent backend work, 2+ years managing engineers, experience with integrations and third-party APIs, customer-facing communication, Python familiarity, and Bachelor's in STEM preferred.
EDI, 835/837, HL7, FHIR, ICD-10, CPT, Epic, Cerner, SFTP, Python
2w
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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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Staff Fullstack Engineer
New York City or San Francisco
HybridFull Time
10+ YOE10+ years engineering experience; deep Node and React proficiency; track record architecting and shipping high-scale production systems; experience setting technical direction across teams; startup experience preferred.
React, Node, Fastify, MUI, React Query, Vite, Storybook, Playwright, Go, Postgres, gRPC, Protobuf, Redis, AWS, Terraform, GitHub Actions
3d
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Senior Fullstack Engineer (.NET/React + Umbraco CMS) - Agency
Santo Domingo or New York City
RemoteFull Time
5+ YOERequires 5+ years of development experience, strong C#/.NET Core, JavaScript, React or Angular, HTML/CSS, REST APIs, Umbraco CMS, Microsoft SQL Server, Git, CI/CD, and advanced English.
C#, .NET Core, JavaScript, React, Angular, HTML, CSS, REST APIs, Umbraco CMS, Microsoft SQL Server, Git, CI/CD, Node.js, AWS
3mo
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.NET Fullstack Senior Developer - HYBRID (Parispanny, NJ, US)
Parsippany, New Jersey, United States
HybridFull Time
7+ YOE7+ years enterprise web apps; 7+ years .NET Core full stack; 5+ years C#, Angular, SQL Server; 3+ years GCP Firebase/Firestore; 1+ year OpenShift
DOTNET_CORE, C#, Angular, SQL Server, SSIS, GCP, Firebase, Firestore, Azure DevOps, Git, VS, SonarQube, Netsparker/Invicti, JFrog, Cloud Platform (GCP or Azure), OIDC/JWT, Azure AD
3mo
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Senior Fullstack Experiences Software Engineer
New York, New York, United States
HybridFull Time
5+ YOE5–7+ years in software development; strong backend experience; proficient in modern frontend frameworks; cloud and container experience; focus on performance and code quality.
React, Next.js, Svelte, Go, Python, Java, C#, Docker, Kubernetes, AWS, GCP, CI/CD, SQL, NoSQL
1mo
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Java Fullstack Developer (Remote)
Jersey City, New Jersey, United States
$120k-$130k/yr RemoteFull Time
8+ YOERequires 8–12 years of experience with Java microservices, React, Spring Boot, and AWS. Strong communication skills required; MongoDB, Kafka, and AI/ML experience preferred.
Java, React, Spring Boot, AWS, MongoDB, Kafka, S3, API Gateway, DynamoDB
2mo
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Senior Fullstack Software Engineer (.Net and Angular)
Budapest or New York City or Washington or London or Galway or Munich or Bengaluru or Singapore or Sydney
HybridFull Time
5+ YOEBachelor's in CS/Math/Engineering (or equivalent), 5+ years commercial software engineering, strong Angular and C#/.NET experience, AWS/cloud-native design, CI/CD and containerization familiarity, Git/GitHub, and mentoring skills.
Angular, C#, .NET, TypeScript, JavaScript, HTML, CSS, RxJS, NgRx, Redux, ASP.NET Core, Entity Framework Core, OpenAPI / Swagger, AWS, ECS/Fargate, Lambda, SQS, SNS/EventBridge, S3, DynamoDB, Step Functions, Nx, Angular Material, AWS CDK, Terraform, Docker, GitHub Actions, .NET Aspire, gRPC, Polly, Git, GitHub, CI/CD
2mo
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Staff Software Engineer - Fullstack
San Francisco or New York City or London or Sydney
$240k-$270k/yr OnsiteFull Time
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
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