32 junior frontend developer jobs at 24 companies in Union, NJ
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Firefly: AI-native physical safety platform for schools and workplaces.
2+ YOE2+ years building modern web applications; strong experience with React and TypeScript; experience owning large frontend systems; product-focused with strong communication; React Native and real-time systems experience a plus.
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.
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.
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
Parsippany or Conshohocken or Wilkes Barre or Alpharetta
$78k-$180k/yrHybridFull Time
Berkshire Hathaway GUARD Insurance CompaniesNYSE: BRK.B: Provider of commercial property and casualty insurance products.
Degree in computer science or equivalent experience; backend development (C#/.NET or similar); frontend frameworks (React/Angular/Vue); cloud (Azure); databases (SQL/NoSQL); Git, CI/CD, and experience with AI-assisted development tools (e.g., GitHub Copilot).
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.
MongoDBNASDAQ: MDB: Cloud-based document database platform for software application development.
2+ YOE2+ years building full-stack web applications; proficient in a compiled language (Java, Go, C#, C++); willing to learn JavaScript/TypeScript and modern frontend tech; strong communication and collaboration skills.
Java, Go, C#, C++, JavaScript, TypeScript, React, Redux, MongoDB Atlas, AWS, Google Cloud, Microsoft Azure
1+ YOEHigh school diploma or equivalent, 1-3 years retail/customer-facing experience, leadership and people management responsibilities, merchandising and operational execution, coaching and development of teammates.
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.
Pogo: AI-powered market research platform using verified consumer purchase data.
2+ YOE2+ years full-stack experience; strong AI/LLM familiarity; product and design sensibility; ability to own features end-to-end and work across frontend and backend.
Claude Code, Cursor, Codex, LLMs, Animations.Dev, Devouring Details, InterfaceCraft
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.
2+ YOE2+ years software engineering with frontend/backend development (e.g., Java,C#,JavaScript), containerized app experience on Kubernetes/OCP/AKS/GKE/EKS, CI/CD pipeline experience, cloud provider knowledge, and ability to provide military orders; no visa sponsorship.
Java, C#, JavaScript, Red Hat OpenShift (OCP), Azure Kubernetes Service (AKS), Google Kubernetes Engine (GKE), Amazon EKS, Kubernetes, GitHub Actions, Harness, GitLab, Jenkins, Azure DevOps, Golang, temporal.io, Amazon Web Services, Microsoft Azure, Google Cloud Platform, RAG
San Francisco or New York City or Colorado or United States
$130k-$175k/yrRemoteFull Time
Solv Health: Connects patients with same-day doctor appointments and urgent care.
2+ YOE2+ years building and maintaining production web applications; comfortable across frontend and backend; experience with React, Python, and SQL/Postgres; experience using AI-assisted development tools; strong testing, debugging, and collaboration skills.
iCapital: A global fintech platform for alternative investment marketplace access.
Proficiency in TypeScript with frontend focus, working knowledge of Scala or Ruby on Rails, experience with microservices and high-scale client-facing applications, strong collaboration and problem-solving skills.
Triple Whale: AI-powered data intelligence platform for e-commerce brands.
2+ YOE2+ years full stack experience with frontend emphasis in React, backend in Node.js/Python, experience with feature flags/A-B testing, analytics instrumentation, and using AI tools; strong collaboration and data-driven mindset.
2026 Undergraduate - Leap: Software Engineer, Jersey City, NJ
Jersey City, New Jersey, United States
$71k-$134k/yrOnsiteFull Time
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.