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57 fullstack developer jobs at 45 companies in New York

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Fullstack Engineer
El Segundo or Washington or Palo Alto or San Francisco or Austin or New York City
$80k-$210k/yr OnsiteFull Time
Gallatin AI
Gallatin AI: Defense technology providing AI-powered logistics decision-support software to military and allied defense organizations.
Fullstack proficiency with backend APIs in strongly typed language, relational database design, data pipelines/ETL, and clear communication.
TypeScript, Python, SQL, Vue.js, Docker, Kubernetes, Terraform, AWS, Azure, Palantir Foundry
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3w
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Senior Fullstack Engineer
Berlin or Chemnitz or Dresden or Germany or New York City or London or Sydney or Tokyo or Prague or Minneapolis or Saint Paul
HybridFull Time
Staffbase
Staffbase: AI-native employee experience software platform helping enterprises communicate with frontline, deskless, and office employees.
5+ YOETypically 5+ years of fullstack development experience, strong React.js, TypeScript, JavaScript, and backend skills, stakeholder collaboration, mentoring, testing, and fluent English and German.
React.js, TypeScript, JavaScript, Node.js, Kotlin, Go, Java, MongoDB, REST APIs, SDKs, Docker, Terraform, Selenium, Cypress, Kubernetes, GitHub Actions, Prometheus, Grafana, SSO, SAML, OIDC, SCIM, CI/CD
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1mo
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Senior Fullstack Engineer - Case Execution
United States or New York City or Brooklyn or San Francisco or Los Angeles
$190k-$220k/yr RemoteFull Time
Radix Health
Radix Health: AI-powered software for healthcare providers to achieve fair out-of-network reimbursement and manage claims.
5+ YOE5+ years of fullstack software engineering experience, backend-focused, with Python, React, data-heavy workflow systems, decision logic, and orchestration experience.
React, Python, Snowflake, dbt, Databricks
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Senior Fullstack Engineer
Boston or New York City
$180k-$220k/yr HybridFull Time
Layer Health
Layer Health: Private healthcare AI helping health systems automate medical chart review, clinical registries, and care-quality workflows.
7+ YOE7+ years full stack development; fluency in TypeScript, React, and Python; strong communication and problem-solving; ability to work independently and meet in-person in Boston.
TypeScript, React, Python
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2mo
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Senior Fullstack Engineer
New York City or Vancouver
RemoteFull Time
Flagler Health
Flagler Health: AI healthcare platform helping musculoskeletal practices automate clinical, administrative, patient-engagement, and revenue-cycle workflows.
3+ YOE3+ years building highly available applications in regulated environments; experience with Vue 3, TypeScript, Node, Mongoose, Express, monorepos, SQL, and NoSQL databases.
Vue.js 3, JavaScript, TypeScript, Express.js, Node, Mongoose, Turborepo, PostgreSQL, MongoDB, Twilio, OpenAI, Databricks API, AWS, GCP, HL7, FHIR, EHR, Azure, CI/CD, Git
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Senior Fullstack Engineer
New York City, New York, United States
$170k-$190k/yr HybridFull Time
Stash
Stash: U.S. fintech helping everyday Americans save, invest, and build long-term wealth through an accessible financial platform.
4+ YOE4-7 years professional software experience; hands-on AI tools (Cursor, ChatGPT); pragmatic Go; API design and integration; production operations, observability, security, reliability; effective cross-functional collaboration.
Cursor, ChatGPT, Go, Consul, Spinnaker, Nginx, TypeScript, React, Node.js, Postgres, SNS/SQS, AWS
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Senior Fullstack Engineer
New York City, New York, United States
HybridFull Time
Torch Dental
Torch Dental: Private dental supply software helping independent dental practices order, manage, and budget supplies from multiple vendors.
7+ YOE7+ years of software engineering experience with strong frontend focus; deep React and TypeScript expertise; Python/FastAPI backend experience; TanStack Router and Query experience; strong product judgment.
React, TypeScript, Python, FastAPI, TanStack Router, TanStack Query, Django, Zod
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Typescript Fullstack Engineer
New York City, New York, United States
$80k-$140k/yr OnsiteFull Time
Verneek
Verneek: Enterprise AI providing an AI-native operating platform that unifies retail operations for consumer brands.
3+ YOERequires 3+ years building high-performance applications, strong TypeScript, React, and NextJS skills, complex-backend project experience, and US work authorization; machine learning experience preferred.
TypeScript, React, NextJS, NLP, machine learning
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Senior Fullstack Engineer | Emerging Products
United States or California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Maine or Massachusetts or New Jersey or North Carolina or New York or Oregon or Tennessee or Texas or Virginia or Washington
$150k-$200k/yr RemoteFull Time
NinjaOne
NinjaOne: Privately held NinjaOne provides endpoint management, patching, backup, and remote access software for IT teams and MSPs.
10+ YOEBachelor's degree in CS/CE/IT or equivalent; 10+ years Java development, 2+ years React, 4+ years scalable systems; SQL and relational database design; API best practices; quality testing frameworks; strong communication.
Java, Kotlin, React, JavaScript, SQL, GraphQL, gRPC
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2d
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Staff Engineer - Fullstack .NET Developer
New York City, New York, United States
$120k-$135k/yr HybridFull Time
Nagarro
NagarroFrankfurt Stock Exchange: NA9: Global digital engineering and technology services provider.
5+ YOEBachelor's degree in Computer Science or related field; 5+ years full stack development with C# and .NET; 3+ years React; MS SQL Server; Azure; Entity Framework; Git; strong problem-solving and communication skills.
C#, .NET, .NET Core, ASP.NET Core Web API, React, JavaScript, HTML5, CSS3, MS SQL Server, Entity Framework, Entity Framework Core, LINQ, Azure, Azure App Service, Azure Functions, Azure SQL, Azure Key Vault, Application Insights, Git, Azure DevOps, Microsoft Entra ID, OAuth 2.0, OpenID Connect, TypeScript, Redux, React Query, Docker, Azure Kubernetes Service, xUnit, NUnit, Jest
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4w
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Fullstack Engineer – Data Platform
New York City, New York, United States
$180k-$300k/yr OnsiteFull Time
General Intuition
General Intuition: Private AI research lab building action and world models for virtual and physical environments.
5+ YOEDeep infrastructure experience at a large tech company or lab, or 5-6 years in hard infrastructure; expertise in orchestration, GPU clusters, preprocessing pipelines, disk/network I/O, inference optimization, and infrastructure as code.
Kubernetes, Python, Go, Rust, C++, Terraform
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2mo
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Senior Fullstack Software Engineer
Québec City or New York
RemoteFull Time
Archera
Archera: Private cloud cost optimization platform helping businesses manage AWS, Azure, and Google Cloud commitments.
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
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2mo
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Fullstack Software Engineer Intern (Global E-Commerce) - 2027 Summer
Seattle or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo +1 more
OnsiteInternship
TikTok
TikTok: Short-form mobile video and social media platform.
Currently pursuing a bachelor's or master's degree in computer science or related discipline; familiarity with fullstack development and proficiency in at least one listed programming language.
Java, Golang, Python, Scala, C++, JavaScript, TypeScript
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3w
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Fullstack Software Engineer
San Francisco or New York City
$145k-$195k/yr HybridFull Time
Forage
Forage: Private fintech providing SNAP EBT payment infrastructure for merchants and grocery savings tools for shoppers.
4+ YOEBachelor's degree in Computer Science or equivalent; 4+ years professional software engineering; full-stack experience with frontend and backend; REST APIs, relational data models, cloud infrastructure (AWS); strong fundamentals in system design, testing, debugging.
Python, Django, TypeScript, React, React Native, AWS, HTML, CSS
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3mo
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Senior Fullstack Product Engineer (Go)
London or New York City or San Francisco or Palma or Casablanca
OnsiteFull Time
Nuitée
Nuitée: Irish travel-technology platform providing hotel-distribution APIs and booking infrastructure for airlines, banks, OTAs, and travel companies.
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
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2w
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Senior Fullstack Software Engineer, AI Observability & Evals Platform (NY)
New York City, New York, United States
$180k-$240k/yr OnsiteFull Time
LangChain
LangChain: Private AI software providing agent-engineering platforms and open-source frameworks for developers and enterprises.
5+ YOE5+ years software engineering on complex platform products; fullstack experience with Go or Python backend and React + Typescript frontend; strong database knowledge (Postgres, Redis); API design and scaling experience.
Go, Python, Typescript, React, Postgres, Redis
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2w
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Staff Fullstack Software Engineer
New York City, New York, United States
$203k-$274k/yr OnsiteFull Time
Intuit
IntuitNASDAQ: INTU: A global financial technology platform powering prosperity.
8+ YOE8+ years developing systems for large business environments; 5+ years designing complex distributed systems; full-stack experience with AI technologies; front-end (React, Angular, SwiftUI, Kotlin) and back-end (Java, TypeScript, Spring, Express) skills; BS/MS in Computer Science or related field.
React, Angular, SwiftUI, Kotlin, Java, TypeScript, Spring, Express, SageMaker, Vertex, LangChain, Large Language Models, Prompt Engineering, DialogFlow, Python, AWS, GCP
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3mo
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Senior Fullstack Software Engineer
New York, New York, United States
$225k-$300k/yr OnsiteFull Time
CLEAR
CLEARNYSE: YOU: Provides biometric identity verification and expedited travel security services.
6+ YOE6+ years full-stack engineering experience with Python, React, and TypeScript; strong distributed systems, API, cloud (AWS) knowledge; experience with Docker, Kubernetes, GitHub, and CI/CD; excellent communication and collaboration skills.
Python, React, TypeScript, AWS, Docker, Kubernetes, GitHub, CI/CD
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2mo
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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
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1mo
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Senior Fullstack Software Engineer, Expansion
United States or San Francisco or New York City or London or Dublin or Tel Aviv or Sydney
$195k-$229k/yr RemoteFull Time
Vanta
Vanta: Private software that helps businesses automate compliance, manage risk, and prove security trust.
5+ YOEAt least 5 years of industry experience, technical leadership on teams or complex projects, startup or action-oriented experience, greenfield project experience, and interest or experience in security.
TypeScript, React, Node.js
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