Founding Engineer (Part-Time, Equity-Based)

99 Yards is a fast-growing tech platform revolutionizing the fashion and sourcing industry. They are seeking a motivated Founding Engineer to shape the technical foundation of the company while working closely with the founders and product team to build their mobile application and backend systems.

Responsibilities:

• Build and maintain mobile app features using React Native and TypeScript
• Develop backend APIs and services with Java + Spring Boot
• Integrate frontend and backend systems through REST APIs
• Ensure scalable, secure, and performant architecture for the platform
• Work directly with founders and the product team to plan, prototype, and ship features
• Participate in technical decision-making, architecture design, and feature planning
• Write clean, maintainable, and well-documented code
• Mentor and support future engineers as the team grows

Requirements:

• Experience or strong knowledge in React Native and JavaScript/TypeScript
• Experience or familiarity with Java + Spring Boot backend development
• Understanding of REST APIs, databases (MongoDB, MySQL, PostgreSQL), and client-server architecture
• Strong problem-solving skills and ability to work independently
• Excellent communication and teamwork skills
• Passion for startups, product-building, and ownership mentality