Senior Frontend Engineer

We are building an AI tool that speeds up financial due diligence for investors and advisors. Team: Chaz: Founder of Fat Llama (YC S17) - Acquired by Hygglo. Responsible for Business and Sales. Arns: Founder of Fancy (YC S20) - Acquired by Gopuff. Responsible for Tech and Product. Chaz: Founder of Fat Llama (YC S17) - Acquired by Hygglo. Responsible for Business and Sales. Arns: Founder of Fancy (YC S20) - Acquired by Gopuff. Responsible for Tech and Product. Company Overview: Model ML is an AI-native workspace initially designed for investment banking, private equity, consultancies, and asset managers. You will work alongside two well-known founders who successfully sold their last two YC-backed companies. Model ML, currently in full stealth mode, has already raised double figures from Y Combinator and top-tier venture firms. With strong product-market fit and live production deployments at some of the world's largest and most prestigious institutions, Model ML's team is working around the clock across offices in New York, London, and Hong Kong to become the leading AI application platform for enterprise. Soon, all your digital information will be stored in one place. Everything you do, whether that be sending emails, building presentations, having meetings, pulling data, or doing research, will all be underpinned by an AI model that belongs to you. Using Model ML, you'll simply talk to your laptop or phone to get things done. About the role: We're seeking a Senior Full Stack engineer with extensive React experience. This role combines deep React expertise with user-centered design principles. Key Responsibilities: Design and implement complex React applications using modern patterns and best practices Lead technical decisions around React architecture, state management, and performance optimization Build and maintain reusable component libraries and design systems Establish frontend testing strategies and quality standards Design and implement complex React applications using modern patterns and best practices Lead technical decisions around React architecture, state management, and performance optimization Build and maintain reusable component libraries and design systems Establish frontend testing strategies and quality standards Required Qualifications: 8+ years of professional software engineering experience Expert knowledge of React ecosystem, hooks, and modern patterns Strong experience with React Query/TanStack Query for data fetching Proven track record with TypeScript in production environments Deep understanding of React performance optimization techniques Strong background in state management (Zustand, Redux, Jotai, etc.) Experience working with Python backends (nice to have) 8+ years of professional software engineering experience Expert knowledge of React ecosystem, hooks, and modern patterns Strong experience with React Query/TanStack Query for data fetching Proven track record with TypeScript in production environments Deep understanding of React performance optimization techniques Strong background in state management (Zustand, Redux, Jotai, etc.) Experience working with Python backends (nice to have) Technical Skills: React TypeScript Modern CSS (Tailwind) Python (nice to have) Performance Monitoring Build Tools (Vite, Webpack) Git/Version Control React TypeScript Modern CSS (Tailwind) Python (nice to have) Performance Monitoring Build Tools (Vite, Webpack) Git/Version Control What We Offer: You will be reporting directly to the founders, who have two successful venture-backed exits under their belt. Competitive salary + equity Performance-based incentives. Opportunity to be instrumental in our expansion into the APAC market. Supportive and innovative work environment. You will be reporting directly to the founders, who have two successful venture-backed exits under their belt. Competitive salary + equity Performance-based incentives. Opportunity to be instrumental in our expansion into the APAC market. Supportive and innovative work environment. What you can expect: It won't be easy; in fact, it will be very hard. BUT, it will be a lot of fun. You need to be comfortable with being uncomfortable; timelines will change, priorities will most likely shift. It won't be easy; in fact, it will be very hard. BUT, it will be a lot of fun. You need to be comfortable with being uncomfortable; timelines will change, priorities will most likely shift. To conclude, we're building a team of like-minded, incredibly smart, tenacious individuals with relentless work ethic and focus, all driving towards our very clear revolutionary mission. If you match this description, buy into that mission and you're at a career stage where you're ready to make your defining statement to the world, please apply. Building on top of Open AI. AI expert desired but no essential. Front & backend skills bonus too.