Founding Engineer

MLabs • New York, NY

3d • Onsite

About The Position

The Founding Engineer (Frontend) will lead development of a flagship consumer web application for a venture-backed fintech startup building a trading platform where sports fans can trade performance-based markets on professional athletes. Working closely with the co-founders, this early leadership hire will shape product design, features, and the technical roadmap while creating intuitive trading and portfolio experiences that make complex transaction flows seamless for users. The role is full-time and in-office at the company’s Chelsea, New York City office.

The position offers a base salary of $180,000–$220,000 annually, a 1.0%–2.0% founding equity stake, and the opportunity to influence company direction and technology strategy as an early founding team member.

Requirements

• Advanced proficiency in React and TypeScript, with a proven track record of shipping polished, consumer-facing web applications.
• Deep understanding of complex frontend application state, low-latency web performance, web responsiveness, and system reliability.
• Strong product intuition, attention to UI/UX detail, and a user-centric approach to software development.
• Based in or willing to work full-time in-office in Chelsea, New York City.

Nice To Haves

• Prior experience building user-facing features for trading platforms, prediction markets, brokerages, exchanges, sportsbooks, fintech, or web3/crypto systems.

Responsibilities

• Lead frontend development for the flagship consumer web platform using React and TypeScript.
• Design and execute fast, highly responsive trading and portfolio management interfaces for sports enthusiasts and everyday consumers.
• Collaborate directly with the founding team to shape product design, the feature set, and the technical roadmap.
• Partner with backend and protocol engineers to architect optimized APIs and streamlined transaction workflows that conceal on-chain complexity from end users.
• Maintain rigorous standards for code quality, application performance, low-latency responsiveness, and platform reliability.

Benefits

• Base salary of $180,000–$220,000 annually, commensurate with experience.
• Founding equity stake of 1.0%–2.0%.
• Modern office space located in Chelsea, NYC.
• Direct influence on company direction and technology strategy as an early founding team member.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed