Founding Frontend Engineer for AI QA Platform (SF)
Momentic, Inc.
A technology company based in San Francisco is looking for a skilled software engineer with at least 3 years of experience. The ideal candidate should have strong proficiency in TypeScript and React, a problem-solving mindset, and excellent communication skills. This position requires in-person collaboration in a dynamic team environment, focusing on building AI-native automated testing solutions. The company also offers great benefits like unlimited PTO and team events. #J-18808-Ljbffr Momentic, Inc.
$150k - $250k
A seed-stage AI startup in San Francisco is looking for a Founding Software Engineer to build high-quality frontend features. This role involves collaborating with designers and backend engineers while taking ownership of frontend architecture. The ideal candidate should...Platform$200k - $250k
Frontend Engineer (HYBRID in SF / NY - Possibility of Remote) - 4454 Frontend Engineer... ...Possibility of Remote) - 4454 Get AI-powered advice on this job... ...00-$200,000.00 1 month ago Founding Frontend Engineer -... ...Software Engineer, Frontend Web Platform San Francisco, CA $190,000....PlatformRemote jobFull time$130k - $200k
Member of Technical Staff, Founding Frontend Engineer Join to apply for the Member of Technical Staff,... ...Founding Frontend Engineer role at Ocular AI (YC W24) Member of Technical Staff,... ...an intuitive data-centric annotation platform, and Bolt , an enterprise-grade scalable...PlatformFull timeWork at office- A leading visual AI platform in San Francisco is seeking a front-end engineer to design and develop core frontend architecture for new products. The ideal candidate will have experience leading technical initiatives and optimizing user experience. This role requires a...Platform
- ...interfaces our customers interact with across Mage Legal’s AI-native platform. This is a true founding engineering role—you’ll make architectural and implementation... ...legal workflows. What You’ll Do Own multiple frontend architectures and codebases, making key decisions...PlatformWork at office
- ...are actively hiring full‑stack engineers. What We’re Looking For 5+... ...of core user‑facing apps and frontend architecture Building SDKs... ...for external developers and platforms Scaling products across multiple... ..., NFTs, ZK, Crypto x AI , and more. #J-18808-Ljbffr...PlatformRemote workWorldwide
$225k - $245k
...it even better. Our Workflow AI platform automatically captures and... ...re growing fast - since our founding in 2019, we’ve grown to over... ...Role We’re looking for a Staff Frontend Engineer to join our Core Engineering... ...Leave Commuter Benefits (SF office employees) WFH Stipend...PlatformFull timeWork at officeWork from homeFlexible hours$150k
...SaaS and consumer social platform brings together sports... ...-impact, high-equity Founding Engineer role (not a co-founder... ...web, iOS and Android AI powered workflows ...... ...with: Building across frontend, backend, mobile, test... ...maintainability Debugging, QA, product polish, and...PlatformFull timeWork experience placementNight shiftWeekend work$150k - $200k
Lane — Founding Full-Stack Engineer Type: Full-time | On-site | San Francisco, CA (North... ...into action by giving AI agents a dependable way to reach... ...Stack Engineer to build the platform end‑to‑end, with particular... ...opinionated, generative thinker SF North Beach, 5 days in‑...PlatformFull timeH1bWork at officeVisa sponsorship- ...growing tech startup in San Francisco seeks a Founding CTO who will be hands-on in building core architecture and assembling a top-tier engineering team. The ideal candidate brings over 5... ...environments and are passionate about AI. Competitive benefits include health insurance...Platform
$150k - $260k
...Harvey is a secure AI platform for professionals in law, tax, and finance that... ...customized by our expert team of lawyers, engineers and research scientists. We’ve found product market fit and are... .... From wireframe to production. Frontend engineers at Harvey are...Platform- ...payments and financial platform for global businesses.... ...global scale. Proudly founded in Melbourne, we have... ...” end‑to‑end. You use AI to work smarter and solve... .... About the team The Engineering team at Airwallex is a... .... What you’ll do As a Frontend Engineer, you will be...PlatformWorldwide
- Worldwide Placement Limited is seeking a senior full-stack engineer to own critical systems for AI-driven recruitment. You’ll build scalable data pipelines... ...engine to surface React engineers efficiently in SF or remotely under visa sponsorship. You should have shipped...PlatformRemote workWorldwideVisa sponsorship
$150k - $250k
...Join to apply for the Founding Engineer - Frontend role at StackAI Join to apply for the Founding Engineer - Frontend role at StackAI Get AI-powered advice on this job and more exclusive features... ...-friendly and intuitive No-Code platform integrating best AI models (OpenAI,...PlatformFull time$150k - $250k
Clera, a Y Combinator-backed AI startup in San Francisco, is looking for a Founding Engineer - Full Stack. This role offers a unique opportunity to shape engineering culture and practices while working on cutting-edge AI tools. Ideal candidates should have at least 1 year...$175k - $225k
Founding Full-Stack Software Engineer (React / Node.js / NestJS / PostgreSQL) Carma Technologies... ...We’re building an AI-native platform that transforms fleet... ...into concrete backend + frontend implementations. Make smart... ...work. Why In‑Person in SF Matters You’ll work shoulder...PlatformFull timeWork at officeRemote work$150k - $250k
Founding Software Engineer (Frontend) - San Francisco (Hybrid) A seed-stage, venture-backed startup building an AI-powered platform that helps fast-growing teams retain context, decisions, and knowledge as they scale are looking for a Frontend Engineer to join their team...PlatformFull timeImmediate start$120k - $250k
...Overview Founding Full-Stack Engineer role at Floot (YC S25). Base pay range is provided; your actual pay... ...wear many hats and touch everything from AI systems, user-facing features, to... ...robust infrastructure for our end-to-end platform to power millions of production apps...PlatformFull time$140k - $230k
...Full time Department Engineering Growth & Onboarding Compensation... ...and financial platform for global businesses.... ...scale. Proudly founded in Melbourne, we have... ...” end‑to‑end. You use AI to work smarter and solve... ...scalable, performance‑driven frontend solutions that power...PlatformFull timeTemporary workLocal areaWorldwideFlexible hoursShift work$50k
A dynamic AI startup in San Francisco is seeking a founding full-stack engineer to own the application layer of their platform. The role involves building user-facing dashboards, designing APIs, and leading architectural decisions. Ideal candidates will have experience...Platform- The Role As a Founding Engineer, you’ll work directly with the founders to architect, build, and scale the platform from 0 to 1 . You’ll take full ownership of core features, shape the... ...functional UIs — pushing the envelope on AI product patterns and moving beyond simple...Platform
- A leading company in the AI sector is seeking a Founding Frontend Engineer to join their innovative team in San Francisco. This role involves crafting high-performing web applications and collaborating across teams to deliver impactful solutions. Ideal candidates will have...
- VESSL AI, Inc. is seeking a growth marketer to join our San Francisco team. In this role, you'll leverage your 3 to 5 years of experience... ..., we want to hear from you. Join us as we scale our GPU platform from 3,000 to 10,000 units by Q4 2026. #J-18808-Ljbffr VESSL AI,...Platform
- ...emails, spreadsheets, and legacy ERP systems. Our platform automates repetitive operational tasks so sales teams... ...of transforming operational workflows through AI. We're looking for a Founding Full Stack Engineer to join our team full-time, in person, in San Francisco...PlatformFull timeVisa sponsorshipRelocation package
$150k - $200k
...intent into action by giving AI agents a dependable way to... ...transactions they conduct. Founded in 2025 by operators with... ...company's second founding engineer hire, building the platform end-to-end with particular... ...opinionated, generative thinker ~ SF North Beach, 5 days in-...PlatformFull timeH1bVisa sponsorship- Sonara Inc. is looking for a senior QA Engineer to enhance the quality assurance process at Speak. The role includes... ...owning QA coverage, conducting tests across platforms, and improving testing through automation and AI. The ideal candidate will have over 5 years of QA...Platform
$80k - $100k
...The Company Our client is a YC-backed AI startup operating at the intersection of... ...neighborhood, they are a small, fast-moving founding team targeting one of the most... ...more, and maximize fleet utilization. The platform plugs directly into a dealer's existing tech...PlatformRelocation- A leading technology firm in San Francisco is seeking a Founding Full-Stack Software Engineer to manage end-to-end features on their AI-native platform. The role requires engagement in both frontend and backend development, using technologies such as React, Node.js, and...Platform
- Who We Are Serval is an AI-native automation platform transforming how enterprises... ...adaptive, learning software. Founded in early 2024, Serval is... ..., Security, Legal, and Engineering. Our mission is to eliminate... ...Role Overview As a Senior Frontend Engineer at Serval, you'll...Platform
- ...nurture relationships as we scale our AI-native platform. You should have 2-3 years of producing... ...commercial deals, and sell through advisory. Founding-hire equity and P&C license support are... ...of the package; you’ll operate from our SF office. #J-18808-Ljbffr CoverwatchPlatformWork at office
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