34 junior frontend engineer jobs at 30 companies in New York City, NY

2mo
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Senior Frontend Engineer
San Francisco or New York City
$150k-$250k/yr OnsiteFull Time
Halliday
Halliday: Unified crypto payment infrastructure and agentic workflow protocol for blockchain.
2+ YOE2+ years building production frontends with React and TypeScript, strong frontend fundamentals (state management, API integration, responsive design, performance), product mindset, collaboration skills, and willingness to be based in SF Bay Area or NYC.
React, TypeScript, Workflow Protocol, ethers.js, viem, wagmi
1w
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Frontend Engineer, AI Observability & Evals Platform
San Francisco or New York City or Cambridge
$160k-$195k/yr HybridFull Time
LangChain
LangChain: Tools for building and deploying production-ready AI agents.
2+ YOERequires 2+ years of frontend engineering experience, React, JavaScript, TypeScript, frontend tooling, REST APIs, JWTs, communication skills, and strong computer science fundamentals.
React, TypeScript, JavaScript, Babel, Vite, Webpack, NPM, Yarn, REST APIs, JWTs
2mo
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Frontend Engineer - New York, NY
New York, New York, United States
$145k-$183k/yr OnsiteFull Time
Atoms
Atoms: Building robotics and software to automate physical world industries.
2+ YOE2+ years software engineering experience with deep frontend expertise; strong TypeScript, React, WebSockets/SSE, GraphQL and REST experience; React Native and mentoring experience preferred.
TypeScript, React, React Native, WebSockets, Server-Sent Events (SSE), GraphQL, GraphQL subscriptions, REST
3w
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UI Frontend Engineer - Associate
New York City, New York, United States
$100k-$130k/yr HybridFull Time
iCapital
iCapital: A global fintech platform for alternative investment marketplace access.
2+ YOE2+ years software engineering experience with React, test automation, and state management; strong communication and problem solving; able to work independently and collaboratively.
React 18+, ReactJS, Jest, React Testing Library, React Query, Redux, Mobx, JavaScript
1w
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Frontend Software Engineer
Waterloo or Kitchener or San Francisco or New York City
HybridFull Time
Cambio
Cambio: AI-native software for commercial real estate decarbonization and operations.
2+ YOERequires 2–3+ years of software engineering experience, web development with ReactJS, VueJS, or similar frameworks, computer science and algorithms knowledge, creative debugging, problem-solving, and collaboration.
TypeScript, ReactJS, VueJS, Next.js, Recharts, Python, Django, PostgreSQL, AWS, AWS CDK
3mo
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Front-End Senior Engineer
New York, New York, United States
$136k-$175k/yr OnsiteFull Time
TP ICAP
TP ICAPLondon Stock Exchange: TCAP: Provides market infrastructure and data solutions for financial markets.
Design, develop, and maintain front-end applications; collaborate with designers; mentor juniors; ensure code quality; integrate APIs.
React, Angular, Vue.js, TypeScript, Redux, Java, Spring Boot, JDBC, Maven, REST API, Git, Jira, Solace Event Broker
1w
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Front End Engineer
New York City, New York, United States
$140k-$180k/yr HybridFull Time
Plural
Plural: An AI-native control plane for managing enterprise infrastructure.
2+ YOERequires 2+ years of React experience, JavaScript build systems, Git, React animation/SVG, and GraphQL. Kubernetes, Elixir/Phoenix/Absinthe experience is preferred.
React, Apollo GraphQL, Kubernetes, Terraform, Git, Elixir, Go, Yarn, Babel, Nivo, Recharts, React Motion, Relay, Helm, Phoenix, Absinthe
1w
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Frontend Engineer Intern (Ads Interface) - 2027 Summer
San Jose 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
OnsiteFull Time, Internship
TikTok
TikTok: Global short-form video hosting and social media platform.
Currently pursuing a BS or MS in computer science, computer engineering, or a related major; strong algorithms, data structures, software design, problem-solving, and teamwork skills; available for a 12-week full-time Summer 2027 internship.
Spark, TensorFlow
3w
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2027 Internship - Frontend & User Experience
New York, New York, United States
$5k-$6k/wk OnsiteInternship
Virtu Financial
Virtu FinancialNYSE: VIRT: Provides liquidity and trading technology to global financial markets.
Rising juniors or students graduating Dec 2027–Jun 2028; strong CS/EE academic background; strong JavaScript, React, Node skills; TypeScript/Java/C++/Python a plus; able to work independently and in teams.
JavaScript, React, Node, TypeScript, Java, C++, Python, HackerRank
1w
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Junior Front End / Full Stack Software Engineer
New York City, New York, United States
RemoteFull Time
Frameable
Frameable: Software tools for enhanced digital collaboration and productivity.
Proficiency in ES6+ JavaScript, advanced CSS, Vue/React/Riot, and backend development with Node.js, Python, or Ruby; Agile experience and interest in SVG, Canvas, or drawing tools.
Vue.js, Node.js, Redis, WebSockets, MySQL, Python, ES6+ JavaScript, CSS, Vue, React, Riot, Ruby, SVG, Canvas, d3.js, Fabric.js, Processing.js
1w
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Associate Software Engineer (Frontend)
New York City, New York, United States
$80k-$100k/yr OnsiteFull Time
Book of the Month
Book of the Month: Monthly subscription service delivering curated new hardcover books.
1+ YOERequires 1+ year shipping production code, proficiency in a modern programming language, AI-assisted engineering experience, communication, problem-solving, and attention to detail.
TypeScript, Node.js, Next.js, Claude, Cursor, GitHub Copilot, React, React Native, Figma
1mo
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Ops Associate (Copy)
New York City, New York, United States
$80k-$120k/yr OnsiteFull Time
Permian Labs
Permian Labs: Synthetic dollar protocol financing AI infrastructure through GPU-collateralized loans.
1–3 years building web applications with React and TypeScript; experience translating Figma designs, consuming REST APIs, and shipping polished accessible UIs; based in NYC and able to work onsite.
TypeScript, React, Figma, NestJS, Node.js, wagmi, viem, REST, CI
1mo
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Software Engineer
New York or United States
RemoteFull Time
Hauler Hero
Hauler Hero: AI-powered operating system for waste management companies.
2+ YOE2+ years software engineering experience; strong backend fundamentals (Java, Python, C#, Go or similar); frontend framework experience (React, Vue, Angular or similar); relational DB experience (PostgreSQL, MySQL); REST API knowledge; Git and unit testing; strong communication.
Claude (Opus 4.5), Claude Code, Cursor, GitHub Copilot, Java, Kotlin, Spring Boot, React, TypeScript, PostgreSQL, PostGIS, MySQL, Python, C#, Go, Git, Docker, Redis, Firestore, Google Cloud Platform, AWS, Azure, Native Android
2w
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Software Engineering Intern (Front End or Back End)
New York City or United States
RemoteMultiple Commitments Available
Zant
Zant: High-performance coaching platform for leaders, founders, and funds.
Pursuing or holding a BS/MS in computer science, engineering, or related field; front-end or back-end specialization; comfortable with Cursor and Xano; strong communication, documentation, and problem-solving skills.
Cursor, Xano
1mo
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Software Engineer, Product
San Francisco or New York City
$141k-$225k/yr HybridFull Time
Pave
Pave: Cloud-based software for managing and benchmarking employee compensation.
2+ YOE2+ years engineering experience (full-stack, backend, or frontend); experience with TypeScript and Node.js preferred; strong product instincts, collaboration, and execution focus; B2B SaaS experience a plus.
TypeScript, Node.js
1mo
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Software Engineer - Applications
New York City, New York, United States
$144k-$160k/yr HybridFull Time
Astronomer
Astronomer: Managed data orchestration platform powered by Apache Airflow.
0+ YOE0–4 years software engineering experience; familiarity with backend (Go/TypeScript/Python) and frontend (React/TypeScript); REST/GraphQL and Git proficiency; strong communication and testing practices.
Apache Airflow, Astro, React, TypeScript, Golang, Go, Python, REST, GraphQL, Git
2mo
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Software Engineer - Defense Applications
New York City, New York, United States
$145k-$200k/yr OnsiteFull Time
Palantir
PalantirNasdaq: PLTR: Developing software platforms for data integration and analytics.
2+ YOE2+ years frontend engineering experience, strong JavaScript skills, proficiency with React and modern web technologies, bachelor's degree or equivalent, strong communication, and eligibility/willingness to obtain a U.S. security clearance.
React, Maplibre, Three.js, Redux, Conjure, OSDK, Foundry, AIP, JavaScript
2mo
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2026 Undergraduate - Leap: Software Engineer, Jersey City, NJ
Jersey City, New Jersey, United States
$71k-$134k/yr OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
Pursuing or recently completed degree in Computer Science or Software Engineering; strong programming fundamentals and problem-solving; internship/project experience preferred.
APIs, Databases, Programming Languages, Messaging Systems, Frontend Frameworks
3w
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Software Engineer (Finch Legal, New York, NY)
New York City, New York, United States
$180k-$280k/yr HybridFull Time
Finch
Finch: AI pre-litigation platform for personal injury law firms.
2+ YOEBachelor's in CS or related and at least 2 years software engineering experience; experience with React, TypeScript, Git, AI-assisted coding tools, algorithms, testing, and frontend-backend integration.
React, TypeScript, Git
2d
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Software Engineer
New York City, New York, United States
$200k-$260k/yr OnsiteFull Time
Novig
Novig: Operates a commission-free peer-to-peer sports betting exchange.
Bachelor's or master's degree in computer science or related field; systems programming and frontend framework proficiency; distributed systems and cloud architecture experience; strong product intuition and communication skills.
Rust, Go, C++, React, Vue