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55 junior frontend developer jobs at 39 companies in Berkeley, CA

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Frontend Engineer
San Francisco, California, United States
$150k-$200k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
2+ YOE2+ years software development; experience defining frontend architecture; hands-on Kubernetes; APIs/backend experience; background in systems or distributed systems.
Kubernetes, Grafana, WebSockets, GitOps
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3mo
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Frontend Engineer
Menlo Park, California, United States
$115k-$145k/yr OnsiteFull Time
Ventrilo
Ventrilo: Browser-based AI assistant for workflow and writing productivity.
1+ YOE1+ years software engineering; strong JS/TS and Python; React knowledge; experience with web APIs and CSS; on-site in Menlo Park; passionate about building secure, scalable frontend systems.
TypeScript, JavaScript, Python, Google Cloud, Cloudflare Workers, serverless, React, Tailwind, CSS, DOM
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1mo
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Frontend Developer (React) Junior/Mid
San Francisco, California, United States
RemoteFull Time
CareerSwift
CareerSwift: AI-powered recruitment and job search automation platform
3+ YOERequires 3+ years with React, JavaScript/TypeScript, modern CSS frameworks, and REST/GraphQL API integration; experience optimizing UI performance and collaborating with designers/backend engineers.
React, JavaScript, TypeScript, REST, GraphQL, CSS
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4w
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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
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2mo
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Frontend Engineer Intern
Santa Clara, California, United States
$25-$60/hr OnsiteInternship
Dexmate
Dexmate: Building AI-powered mobile humanoid robots for industrial automation.
Pursuing a degree in CS/SE or related field; strong HTML/CSS/JavaScript/TypeScript; experience with React or Vue; REST APIs; collaborative tools; AI-assisted development tools; interest in AI agents and real-time data visualization; basic CI/CD concepts; self-learning; async and sync collaboration.
React, Vue.js, JavaScript, TypeScript, HTML, CSS, REST APIs, GitHub, Discord, Slack, Notion, Copilot, Cursor, Claude Code
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3w
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Frontend Engineer, Autonomous Traffic Control
Houston or San Francisco
OnsiteFull Time
Bot Auto
Bot Auto: Operates a fleet of autonomous trucks for freight transportation.
0+ YOEBachelor's degree or equivalent, 0-3 years full-stack experience with frontend expertise. Proficiency in React, TypeScript, Vite, Tailwind; familiarity with Python/Go/Java/Node.js, REST and real-time systems.
React, TypeScript, Vite, Tailwind, Python, Go, Java, Node.js, REST, WebSockets, MQTT, NATS, Kafka, Mapbox, deck.gl, Leaflet, Docker, Kubernetes, AWS
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3mo
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AI Frontend Engineer
San Francisco, California, United States
$140k-$205k/yr OnsiteFull Time
Klarity
Klarity: Uses AI to map, structure, and automate enterprise workflows.
2+ YOE1-2 years of shipping production code or strong portfolio from exceptional grads.
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1w
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Frontend Software Engineer, Global CRM Platform
San Jose, California, United States
$156k-$317k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
1+ YOEBachelor's in CS or related, 1+ years enterprise app experience preferred; proficiency in JavaScript (ES5/ES6), CSS, and frontend frameworks; cross-browser and performance optimization skills.
JavaScript, ES5, ES6, CSS, React, Angular, Vue
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1mo
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Front-End Engineer
Oakland, California, United States
$90k-$120k/yr HybridFull Time
Dutch
Dutch: Providing virtual veterinary consultations and prescription services for pets.
1+ YOEBachelor's degree (any) with 1 year front-end experience; strong JS (ES6+), TypeScript, CSS; Vue.js; Shopify; REST/GraphQL; Git; HTML.
JavaScript, TypeScript, CSS, Vue.js, Shopify, REST API, GraphQL, Git, HTML
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1mo
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Software Engineer, Front-End
San Francisco or Seattle
$164k-$284k/yr HybridFull Time
Superhuman
Superhuman: An AI-native productivity platform for email, writing, and collaboration.
7+ years front-end experience with TypeScript/JavaScript, React, HTML/CSS; strong UI/UX focus; experience with AI features; familiarity with CI/CD; ability to work independently; mentor junior engineers.
TypeScript, JavaScript, HTML, CSS, React
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3w
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Software Engineer | Frontend
Lisbon or San Francisco or Sunnyvale or Raleigh or Seattle or Boston or London or Bangalore or Dublin or Kyiv or Portugal
OnsiteFull Time
SingleStore
SingleStore: Provides a distributed SQL database for real-time analytics.
2+ YOEFrontend engineer with 2+ years on a SaaS product; strong experience with React and TypeScript, browser application architecture, and familiarity with backend languages (Golang, Python, Rust) is a plus.
React, TypeScript, Golang, Python, Rust, SQL
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1d
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Software Engineer, Frontend/Web App
San Carlos, California, United States
$135k-$190k/yr HybridFull Time
Beacon AI
Beacon AI: Developing an AI-powered-pilot for safer flight operations.
2+ YOE2+ years building user-facing web apps; experience with React, TypeScript, JavaScript, HTML/CSS; familiarity with async patterns and APIs; strong problem-solving and collaboration skills.
React, TypeScript, JavaScript, HTML/CSS, Mapbox, Cesium
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2w
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Platforms and Devices Silicon Engineer - SoC Front-End / RTL Design
Mountain View, California, United States
$177k-$198k/yr HybridFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
1+ YOEBachelor's in EE/CE/CS or related +3 years (or Master's +1 year). Requires 1+ year in IP/SoC microarchitecture and RTL development; experience with RTL quality checks and microarchitecture for PPA.
RTL, Lint, CDC/RDC, Synthesis, UPF
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4w
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Software Engineer, Product Experiences
San Francisco or Washington
$160k-$220k/yr OnsiteFull Time
Peregrine
Peregrine: Data integration and analytics platform for public safety agencies.
2+ YOE2+ years building production user-facing software; strong React/TypeScript frontend skills; full-stack experience; degree in CS or equivalent; experience with distributed systems and product-focused development.
React, Redux, TypeScript, Mapbox, Python, Django, Celery, Airflow, Kafka, PostgreSQL, Elasticsearch, Bedrock, Sagemaker, AWS, Pulumi, Terraform, Kubernetes
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1mo
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Software Engineer (Starlink Enterprise)
Palo Alto, California, United States
$135k-$185k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in CS/engineering or 1+ years full-stack experience (or 3+ years experience in lieu); proficiency in modern backend and frontend development; experience with databases, UNIX, CI/CD, and strong communication skills.
C#, TypeScript, Python, Go, Scala, Java, Angular, React, PostgreSQL, SQL Server, CockroachDB, UNIX, CI/CD
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1mo
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Product Engineer
San Francisco, California, United States
OnsiteFull Time
Goodfire
Goodfire: Developing tools to interpret and steer artificial intelligence systems.
2+ YOE2+ years building production software; full‑stack depth in frontend, backend, systems, or infrastructure; strong product judgment; collaboration with research, design, and customer teams; focus on model interpretability.
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2w
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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
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2w
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Full-Stack Software Engineer
United States or San Francisco
RemoteFull Time
Concentrate AI
Concentrate AI: Provides an AI gateway for managing LLM model access.
2+ YOE2+ years experience; strong TypeScript and Node.js skills; frontend experience with React/Next.js; PostgreSQL schema and query knowledge; Docker, CI/CD, JWT/OAuth, testing discipline; familiarity with Fastify and modern frontend tooling.
TypeScript, Node.js, React, Next.js, Tailwind, Fastify, PostgreSQL, Docker, CI/CD, JWT, OAuth, Kysely, Drizzle, Redis, Nginx, Turborepo, Nx, OpenAI
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1mo
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Software Engineer - Product (New Grad)
San Francisco, California, United States
$130k-$150k/yr OnsiteFull Time
Julius
Julius: Conversational AI for automated data analysis and visualization.
Experience with React, Next.js, Tailwind CSS, Python; shipped production code; strong frontend and backend understanding; live projects.
React, Next.js, Tailwind CSS, Python
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3w
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Senior Software Engineer
Palo Alto, California, United States
$220k-$300k/yr OnsiteFull Time
Artos
Artos: AI-powered regulatory document automation platform for life sciences.
1+ YOEEx-founder or early startup engineer preferred; strong backend OR frontend expertise; experience building zero-to-one systems; Ruby on Rails or Next.js familiarity; able to evaluate AI-generated code.
Ruby on Rails, Next.js, Cursor, Claude Code
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