56 senior fullstack engineer jobs at 40 companies in Yorktown Heights, NY
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3mo
Senior Fullstack Engineer
New York City, New York, United States
$185k-$215k/yrHybridFull Time
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.
New York City or Austin or Miami or Dallas or Phoenix or São Paulo or Toronto
OnsiteFull Time, Contract
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.
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.
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.
Polymarket: Private blockchain-based prediction market platform where users trade on outcomes of real-world events.
7+ YOERequires 7+ years of fullstack engineering experience, depth across frontend and backend, experience shipping onboarding or acquisition funnels, cross-team collaboration, product judgment, system-level tradeoffs, and clear communication.
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.
Dresden or Berlin or Chemnitz or New York City or London or Sydney or Tokyo or Prague or Minneapolis or Saint Paul
HybridFull Time
Staffbase: AI-native employee experience software platform helping enterprises communicate with frontline, deskless, and office employees.
Proven staff-level engineering experience with Go and React, architecture and design knowledge, strong communication, and experience driving cross-team technical initiatives.
Tata Consultancy ServicesBSE: 532540: Global leader in IT services, consulting, and business solutions.
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.
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.
Radix Health: Healthcare technology helping providers achieve fair reimbursement through integrated IDR software, data, and AI.
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
San Francisco or Seattle or New York City or Los Angeles or United Kingdom or Ireland or Poland or Germany or Australia
$207k-$230k/yrHybridFull Time
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.
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.
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.
LangChain: Private AI software providing agent-engineering platforms and open-source frameworks for developers and enterprises.
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.
5+ YOE5+ years fullstack web development; frontend React/Angular and CSS frameworks; backend Java/Kotlin or NodeJS; AWS, Docker, Git; Figma and testable code; API design and testing experience.
Lynx Analytics: AI-native consulting firm helping global life sciences organizations make commercial and clinical decisions with data and AI.
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.
NTT DATATokyo Stock Exchange: 9613: Global provider of business and technology consulting and IT services.
7+ YOE7+ years supporting enterprise web applications with .NET Core and C#, Angular, SQL Server; experience with GCP Firestore, OpenShift, CI/CD, security remediation, and troubleshooting.
NTT DATATokyo Stock Exchange: 9613: Global digital business and IT services provider.
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