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<div>Web Developer (Full Stack or Frontend) 
Location: Remote (San Francisco preferred for collaboration) 
Contract Type: 3 month contract with potential for extension 
Company: REK Inc.<h3 class="jobSectionHeader">
About REK</h3>
REK is building the worlds first VR-controlled humanoid robot fighting league a fusion of robotics, gaming, and live entertainment. Following the sold-out success of REK0, were scaling our global presence and creating REK.tv, the official hub for our sport.
REK.tv will serve as our digital home where fans watch fights, buy merch, explore our robots, and follow upcoming events around the world. Were looking for a Web Developer who can help us bring this vision to life through bold design, smooth interactivity, and scalable tech.<h3 class="jobSectionHeader">
The Role</h3>
As REKs Contract Web Developer, you'll work closely with our product and creative teams to build REK.tv, a high-impact, high-performance site that combines cinematic presentation with real-time data and content updates.
Youll lead frontend development and manage integrations across our ecosystem including livestreams, event pages, our merch store, and our careers portal.<h3 class="jobSectionHeader">
Responsibilities</h3><ul><li>
Build and Deploy REK.tv: Implement the next-generation REK.tv website with clean, performant code optimized for video and dynamic visuals.</li><li>
Integrate Media &amp; Streaming: Embed and optimize live and on-demand video using modern frameworks and APIs.</li><li>
Dynamic Animations: Create visually striking transitions, hover effects, and responsive motion using frameworks like Framer Motion and Three.js.</li><li>
Frontend Development: Own the visual layer from pixel-perfect UI implementation to smooth interactions across devices.</li><li>
Backend Integration: Connect the frontend to backend systems, CMS, or APIs as needed (Node.js, Next.js, Firebase, or similar).</li><li>
E-commerce &amp; Careers Integration: Seamlessly connect our Stripe merch store and careers portal into the site.</li><li>
Performance &amp; SEO: Optimize for speed, accessibility, and SEO without sacrificing aesthetics.</li><li>
Collaboration: Work closely with design, product, and leadership to translate vision into production-ready code.</li></ul><h3 class="jobSectionHeader">
Ideal Skills &amp; Experience</h3><ul><li>
4+ years professional web development experience.</li><li>
Strong proficiency with React / Next.js / TypeScript (or Framer for rapid prototyping).</li><li>
Experience implementing advanced frontend effects (Framer Motion, GSAP, WebGL, Lottie, Three.js, etc.).</li><li>
Solid understanding of responsive design, accessibility, and performance tuning.</li><li>
Experience integrating APIs and third-party systems (e.g., Stripe, Greenhouse/Workable, YouTube/Twitch embeds, Airtable, etc.).</li><li>
Familiarity with hosting &amp; deployment on Vercel, Netlify, or AWS.</li><li>
Strong eye for design and motion this site should feel like a trailer.</li><li>
Comfortable working in a fast-moving startup environment with limited specs and high creative freedom.</li></ul><h3 class="jobSectionHeader">
Bonus Points</h3><ul><li>
Experience building sites for esports, entertainment, or tech brands.</li><li>
Experience with 3D or holographic web elements (Three.js, Spline, etc.).</li><li>
Familiarity with Framer (we currently use it for design and prototype hosting).</li><li>
Prior collaboration with creative teams or marketing launches.</li></ul><h3 class="jobSectionHeader">
Compensation</h3><ul><li>
Competitive hourly or fixed contract rate based on experience.</li><li>
Flexible schedule and potential for ongoing collaboration as REK.tv evolves.</li><li>
Opportunity to contribute creatively to one of the most ambitious entertainment startups in robotics and sport.</li></ul><h3 class="jobSectionHeader">
Why You'll Love Working With REK</h3>
Youll be helping build the digital front door to the worlds first robot fighting league combining sleek tech aesthetics with combat-sports intensity. 
Your code will define how fans experience REK for the first time through dynamic visuals, high-energy motion, and seamless interactivity.</div>

Web Developer

Twitch

<div>
 
 About Us
 
 
 
 Twitch is the world&rsquo;s biggest live streaming service, with global communities built around gaming, entertainment, music, sports, cooking, and more. It is where thousands of communities come together for whatever, every day.
 
 
 We&rsquo;re about community, inside and out. You&rsquo;ll find coworkers who are eager to team up, collaborate, and smash (or elegantly solve) problems together. We&rsquo;re on a quest to empower live communities, so if this sounds good to you, see what we&rsquo;re up to on LinkedIn and X, and discover the projects we&rsquo;re solving on our Blog. Be sure to explore our Interviewing Guide to learn how to ace our interview process.
 
 
 
 About The Role
 
 
 
 The Community Discovery &amp; Engagement team manages a wide array of features and systems to help communities form, grow, and thrive on Twitch. These features let people participate in their favorite communities and discover new ones more efficiently. We work hard to bring novel opportunities to the world of streaming both individually and in collaboration with similar streamers. Some examples of spaces we own include Chat, Stream Together, Discovery, and Channel Points.
 
 
 Our consumer facing features span both web and mobile surfaces. This position is primarily focused on web &amp; mobile frontend development (React) but is expected to be fullstack, with some responsibilities around supporting and maintaining backend systems.
 
 
 
 You Will:
 
 
 
 
 <ul>
 <li>
 Deliver high quality user experiences on both Web and Mobile surfaces.
 </li>
 <li>
 Work with product managers, designers, technical leads, and other engineers to design, develop, launch, and operate interactive experiences and products
 </li>
 <li>
 Work backwards from customer problems to drive business impact
 </li>
 <li>
 Maintain and improve our existing backend services
 
 
 
 </li>
 </ul>
 
 You Have:
 
 
 
 
 <ul>
 <li>
 1+ Years experience developing software in a professional environment
 </li>
 <li>
 Prior experience building consumer-facing products at scale
 </li>
 <li>
 Proficient coding skills in modern languages and frameworks such as React, Kotlin, Swift, Objective-C etc
 </li>
 <li>
 Proven ability with thinking though and delivering quality user experiences.
 </li>
 <li>
 Minimum of Bachelor&rsquo;s degree in Computer Science or equivalent experience
 
 
 
 </li>
 </ul>
 
 Bonus Points
 
 
 
 
 <ul>
 <li>
 Experience with languages/frameworks we use at Twitch: React, Typescript, Golang
 </li>
 <li>
 Experience building software and services using AWS technologies such as ECS, DynamoDB, Lambda, SQS, and Step Functions
 </li>
 <li>
 Familiarity with Twitch, gaming, and/or streaming on Twitch
 
 
 
 </li>
 </ul>
 
 Perks
 
 
 
 
 <ul>
 <li>
 Medical, Dental, Vision &amp; Disability Insurance
 </li>
 <li>
 401(k)
 </li>
 <li>
 Maternity &amp; Parental Leave
 </li>
 <li>
 Flexible PTO
 </li>
 <li>
 Amazon Employee Discount
 
 
 
 </li>
 </ul>
 
 Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
 
 
 
 Job ID: TW9002
 
 
 
 Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from our lowest geographic market up to our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. Amazon is a total compensation company. Dependent on the position offered, equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and/or other benefits. This position will remain open until filled. For more information, please visit https://www.twitch.tv/jobs/en/#learn-more. Applicants should apply via our internal or external career site.
 
 
 
 US Pay Per Year
 
 
 $99,500&mdash;$200,000 USD
 
 
 
 Twitch is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
 
 
 
 
 Twitch values your privacy. Please consult our Candidate Privacy Notice, for information about how we collect, use, and disclose personal information of our candidates.
 
</div>

Software Engineer I, Frontend

Notion

<div>
 
 About Us
 
 
 
 Notion helps you build beautiful tools for your life&rsquo;s work. In today's world of endless apps and tabs, Notion provides one place for teams to get everything done, seamlessly connecting docs, notes, projects, calendar, and email&mdash;with AI built in to find answers and automate work. Millions of users, from individuals to large organizations like Toyota, Figma, and OpenAI, love Notion for its flexibility and choose it because it helps them save time and money.
 
 
 In-person collaboration is essential to Notion's culture. We require all team members to work from our offices on Mondays and Thursdays, our designated Anchor Days. Certain teams or positions may require additional in-office workdays.
 
 
 
 About The Web Infrastructure Team
 
 
 
 The Web Infrastructure team&rsquo;s mission is to empower Notion engineers with web frameworks that&rsquo;s easy-to-use, performant, consistent and accessible. We own web foundations such as how client code is structured, how assets are served to the users and how components are standardized and rendered to the users. If we do our job well, Notion engineers should be able to build performant and beautiful product fast while Notion users enjoys a frictionless experience.
 
 
 
 About The Role
 
 
 
 You&rsquo;ll be a core engineer on Web Infrastructure, focusing on improving Notion&rsquo;s web client performance. You will lead projects that reduce time to render a notion page and time to interact with the page content across the app. We will also invest in tooling and framework that helps product engineers build new product with the high quality experience.
 
 
 What You&rsquo;ll Achieve
 
 
 <ul>
 <li>
 Improve Users Page Loading experience through modularizing client codebase, lazy loading or caching relevant assets for the users
 </li>
 <li>
 Improve Interaction Latency through make the components and other part of codebase more lightweight and efficient
 </li>
 <li>
 Build developer tooling so that we can detect and diagnose regressions to protect user performance.
 
 
 </li>
 </ul>
 Skills You&rsquo;ll Need to Bring
 
 
 <ul>
 <li>
 Deep experience building and optimizing large web applications in React or similar frameworks.
 </li>
 <li>
 Strength in modern bundling and build tooling such as Webpack and performance profiling.
 </li>
 <li>
 Proven track record improving real‑user performance metrics at scale, from page load to post‑load interactivity.
 </li>
 <li>
 Strong systems thinking and ability to design paved‑road abstractions, guardrails, and tooling for many teams.
 </li>
 <li>
 Excellent collaboration and communication across platform and product teams, with a bias toward iterative, measurable impact.
 
 
 </li>
 </ul>
 Nice to Haves
 
 
 <ul>
 <li>
 Experience with modularizing large monorepos, reducing cyclic dependencies, and improving build times.
 </li>
 <li>
 Familiarity with design systems and component performance, accessibility, and ergonomics.
 
 
 </li>
 </ul>
 We hire talented and passionate people from a variety of backgrounds because we want our global employee base to represent the wide diversity of our customers. If you&rsquo;re excited about a role but your past experience doesn&rsquo;t align perfectly with every bullet point listed in the job description, we still encourage you to apply. If you&rsquo;re a builder at heart, share our company values, and enthusiastic about making software toolmaking ubiquitous, we want to hear from you.
 
 
 Notion is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristic. Notion considers qualified applicants with criminal histories, consistent with applicable federal, state and local law. Notion is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please let your recruiter know.
 
 
 Notion is committed to providing highly competitive cash compensation, equity, and benefits. The compensation offered for this role will be based on multiple factors such as location, the role&rsquo;s scope and complexity, and the candidate&rsquo;s experience and expertise, and may vary from the range provided below. For roles based in San Francisco or New York City, the estimated base salary range for this role is $150,000 - $177,000 per year.
 
 
 By clicking &ldquo;Submit Application&rdquo;, I understand and agree that Notion and its affiliates and subsidiaries will collect and process my information in accordance with Notion&rsquo;s Global Recruiting Privacy Policy.
 
 
</div>

Software Engineer, Web Infrastructure

MLabs

<div>
 
 Software Engineer (Early Team Member)
 
 
 
 
 Location:
 
 San Francisco, CA (On-site)
 
 
 We are a rapidly growing, well-funded startup building an innovative
 
 AI-powered productivity tool
 
 for professional teams. We help users capture, organize, and utilize insights from their daily conversations, making every meeting more valuable. You'll be joining a small, high-impact team of experienced engineers as
 
 employee #5
 
 and play a crucial role in shaping our product and technical foundation.
 
 
 This is an end-to-end engineering role where you will take ownership of features from conception to deployment. We're looking for a highly motivated and quality-focused individual who takes pride in their craft.
 
 
 
 What You'll Do:
 
 
 
 <ul>
 <li>
 Build new product features and user experiences across our web, desktop, and mobile applications. This includes everything from database models and API endpoints to complex UI components and video infrastructure
 </li>
 <li>
 Own and evolve core product foundations, including our AI-powered outcomes engine, search functionality, transcription services, on-device recording/streaming, performance optimization, and automation workflows
 </li>
 <li>
 Translate customer insights and feedback into tangible product improvements and new feature development
 </li>
 <li>
 Collaborate closely with the small founding team to discover new growth opportunities and build out the initial growth function of the product
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 1+ years of experience building user-facing products, either professionally or through personal projects that had significant user adoption
 </li>
 <li>
 A strong emphasis on quality and attention to detail in all your work
 </li>
 <li>
 Proficiency with our core tech stack: React, Next.js, and TypeScript
 </li>
 <li>
 Familiarity with database technologies, specifically Postgres
 </li>
 <li>
 Experience or strong interest in mobile development with React Native is a plus
 </li>
 <li>
 Experience with Google Cloud Platform (GCP) is a bonus
 </li>
 <li>
 Must be willing to work on-site in our San Francisco office
 </li>
 <li>
 For non-US citizens: We can provide visa sponsorship for TN and H1B transfers. Please note: we are unable to sponsor new H1B visas
 
 
 </li>
 </ul>
 
 Benefits
 
 
 
 <ul>
 <li>
 Salary: $125,000 - $190,000 (depending on experience)
 </li>
 <li>
 Equity: 0.25% - 0.75%
 
 
 </li>
 </ul>
 
 Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.
 
 
 
 
 Commitment to Equality and Accessibility:
 
 
 
 At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing human-resources@mlabs.city.
 
 
 MLabs Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. This information is managed securely in accordance with MLabs Ltd's Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting legal@mlabs.city.
</div>

Software Engineer

Meter

<div>
 Our dashboard is the preeminent way our customers and partners interact with our products. It&rsquo;s where complex networks become simple, where infrastructure decisions become clear, and where businesses gain confidence in their connectivity. As a product engineer at Meter, you&rsquo;ll shape how companies visualize and interact with the networks that keep them running, transforming dense technical systems into intuitive, elegant, and performant experiences.
 
 
 
 The impact you&rsquo;ll drive
 
 
 
 <ul>
 <li>
 Create data visualizations that go beyond charts. You&rsquo;ll give businesses real-time insight into device health, connectivity and performance.
 </li>
 <li>
 Ensure every interaction feels instantaneous by improving render, load, and scroll performance
 </li>
 <li>
 Adapt our dashboard to shine on any screen
 </li>
 <li>
 Build reusable visualization components and design patterns that empower the entire team to move faster.
 
 
 </li>
 </ul>
 
 What Your Craft Looks Like
 
 
 
 You will work in TypeScript, React, Vercel, and GraphQL to deliver fast, resilient, and beautiful experiences across varied use cases. That means getting the fundamentals right: well-tested code, intuitive interfaces, and ensuring swift performance at scale. You&rsquo;ll evolve Meter&rsquo;s in-house Design System, expand reusable components, and collaborate closely with Design and Engineering peers to accelerate product delivery.
 
 
 
 What Makes You a Fit
 
 
 
 <ul>
 <li>
 You bring both deep technical craft and hold a high bar for quality and polish
 </li>
 <li>
 You operate with autonomy, communicate with clarity, and find energy in helping others move faster
 </li>
 <li>
 You care about building elegant systems that scale and unlock better customer outcomes
 </li>
 <li>
 You&rsquo;re motivated by the opportunity to shape the foundation of a fast-growing company, where even small improvements create outsized impact.
 
 
 </li>
 </ul>
 
 Why Meter?
 
 
 
 The internet runs the world. Every purchase you make, video call you join, it's all packets flowing through networks. But those networks haven&rsquo;t changed for decades. They&rsquo;re brittle, complex, and surprisingly hard to set up in an enterprise space.
 
 
 We started Meter to build better networks. We had to build everything from the ground-up: designing and building our own enterprise hardware, intuitive software, and streamlined operations to deliver great outcomes for our customers. Today, we build and deploy these networks at scale. Ambitious companies and enduring institutions like Bridgewater, Lyft, Reddit, rely on Meter to keep their thousands of employees and locations online and productive.
 
 
 
 Compensation
 
 
 
 <ul>
 <li>
 The estimated salary range for this role is $163,000 - $220,000.
 </li>
 <li>
 Additionally, this role is eligible to participate in Meter's equity plan.
 
 
 </li>
 </ul>
 By applying to this job you acknowledge that you've read and understood Meter's Job Applicant Privacy Notice.
 
 
</div>

Software Engineer, Product

TechTree

<div>
 
 About The Company
 
 
 
 Delve automates compliance for hundreds of fast-growing startups &mdash; companies like Lovable, 11x, and Wispr Flow rely on Delve to eliminate busywork and ship securely. Backed by Insight Partners, General Catalyst, and Y Combinator, Delve recently raised a $32M Series A and is rapidly scaling its engineering team. Our founders and engineers come from OpenAI, Stanford, MIT, and Berkeley, united by the goal of automating tedious work at scale.
 
 
 
 About The Role
 
 
 
 Seeking a New Grad/Early Software Engineer to ship features, contribute to AI systems, and work across the stack with mentorship from senior engineers. Must relocate to SF and work in-person.
 
 
 We&rsquo;re looking for a New Grad/Early Software Engineer &mdash; someone technically sharp, hungry, and ready to learn fast. You&rsquo;ll ship production-grade features alongside senior engineers, contribute to AI-powered systems, and work across the stack (React, TypeScript, Node.js).
 
 
 Expect autonomy, live mentorship from ex-OpenAI engineers, and the chance to build impactful products from day one.
 
 
 
 What You&rsquo;ll Do
 
 
 
 <ul>
 <li>
 Ship features across the stack with mentorship from senior engineers
 </li>
 <li>
 Contribute to AI-driven product features in production
 </li>
 <li>
 Rapidly prototype ideas, test with users, and iterate fast
 </li>
 <li>
 Write clean, maintainable code and own small projects end-to-end
 </li>
 <li>
 Work in-person daily with a high-context, fast-moving team
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s in CS or related field from Stanford, MIT, Berkeley, Harvard, or Northeastern
 </li>
 <li>
 Strong coding skills in Python or TypeScript
 </li>
 <li>
 Evidence of independent projects, hackathon wins, or open-source contributions
 </li>
 <li>
 SF-based or willing to relocate (in-person, 5 days/week)
 </li>
 <li>
 Green-carpet GitHub candidates / &ldquo;cracked&rdquo; engineers
 
 
 </li>
 </ul>
 
 Required Skills
 
 
 
 <ul>
 <li>
 Python
 </li>
 <li>
 TypeScript
 </li>
 <li>
 React
 </li>
 <li>
 Node.js
 </li>
 <li>
 AI-driven product development
 </li>
 <li>
 Prototyping
 </li>
 <li>
 Clean code writing
 </li>
 <li>
 Project ownership
 
 
 </li>
 </ul>
 
 Benefits
 
 
 
 <ul>
 <li>
 100% medical, dental &amp; vision coverage (for you; partial for dependents)
 </li>
 <li>
 401(k) with employer match
 </li>
 <li>
 Unlimited PTO + federal holidays
 </li>
 <li>
 GrubHub stipend + all meals covered in-office
 </li>
 <li>
 Gym membership covered
 </li>
 <li>
 Frequent team dinners, events, and off-sites
 </li>
 <li>
 The opportunity to eliminate busywork for humanity
 
 
 </li>
 </ul>
 
 Team members
 
 
 
 <ul>
 <li>
 founders and engineers from OpenAI, Stanford, MIT, and Berkeley
 
 
 </li>
 </ul>
 
 Salary:
 
 150000 - 250000 None
</div>

Early Software Engineer

Explore 39+ React developer in San Francisco this November. Find roles across top companies and apply now to boost your career.

39 react developer jobs IN San Francisco

Web Developer

Software Engineer I, Frontend

Software Engineer, Web Infrastructure

Software Engineer

Software Engineer, Product

Early Software Engineer

Software Engineer, Web Infrastructure