Founding Engineer

Our client is a Y Combinator-backed startup building the next-generation AI assistant to redefine personal productivity. With over $1M in revenue and 60% monthly growth, they are a high-momentum company automating tasks like calendars, emails, and meeting prep for global consumers. This is a rare chance to join a small, elite founding team and build AI automation tools that will replace traditional workflows and push the frontier of AI in everyday life. Our client is seeking a Founding Engineer to be one of their first three employees. This role offers the unique chance to have a significant impact from day one, with a focus on end-to-end ownership. You will be instrumental in building the full-stack features that will be used by millions of people. You will be responsible for: Owning product features from conception through to deployment. Working directly with the founders on technical strategy and architecture. Scaling infrastructure to support massive growth as the company approaches its Series A funding round. Building a full-stack product from the ground up, utilizing a modern tech stack. Requirements We are looking for a relentless builder with an entrepreneurial mindset who is excited about AI agents and consumer products. Must-Haves: 3+ years of experience building full-stack web applications from scratch, with a strong portfolio of projects. Strong skills in a modern full-stack environment (their tech stack includes Python FastAPI, Next.js, React Native, and SwiftUI). An entrepreneurial mindset and the ability to take ownership in an early-stage environment. Willingness to work in-person, five days a week, at their San Francisco office or to relocate. Bonus Points: Experience at a top-tier, high-growth startup (e.g., Scale AI, Ramp, Stripe). UI/UX and design expertise. Mobile development experience (React Native or SwiftUI). Experience founding or co-founding a startup. Benefits Salary: $120,000–$180,000 Equity: Significant equity compensation Visa Sponsorship: Not available 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.