Senior Full Stack Engineer - Mobile

NuFriends is a social platform bringing strangers together IRL to find NuFriends. We have raised capital at a ~$13.2M post-money valuation to fund the initial build and launch of the platform from a prominent angel investor. About the Role We’re looking for a senior full-stack engineer with a strong focus on mobile development to help build the NuFriends iOS and Android app from the ground up. You will own core mobile experiences while also building the backend services, APIs, infrastructure, and internal tools that power the product. You will also directly lead two full-stack engineers who will help build the product alongside you. This is a highly hands-on role: you will be expected to remain deeply involved in coding, architecture, technical decision-making, code review, and execution while providing day-to-day technical direction to the team. You will work directly with the founder to shape the product, make technical decisions, and establish the engineering foundation for NuFriends. Responsibilities * Build and ship high-quality user experiences across the NuFriends iOS and Android apps. * Build the mobile app using a shared cross-platform codebase. * Develop core product flows including onboarding, user profiles, event discovery, RSVPs, invitations, notifications, and post-event messaging. * Build and maintain backend APIs, services, databases, and integrations that support user-facing features. * Implement SMS verification, event confirmations, reminders, and contact-based invitations. * Build lightweight internal tools for creating events, managing attendees, tracking attendance, managing users, and sending communications. * Own features end to end, including architecture, implementation, testing, deployment, performance, and iteration. * Establish the initial technical architecture, engineering standards, development workflows, and deployment processes. * Directly manage and technically lead two full-stack engineers who will help build the NuFriends product. * Delegate technical work, review code, unblock engineers, and maintain a high standard for engineering quality and execution. * Help develop the engineering team through mentorship, feedback, and clear technical direction. * Work directly with the founder to translate product concepts and Figma designs into production-ready experiences. * Help interview and onboard future engineers as the team grows. Compensation $120,000 - $130,000 plus co-founder equity (40%) Requirements * 4+ years of experience in full-stack, mobile, or product engineering. * Strong hands-on coding skills, with the ability to independently design, implement, debug, and optimize production-quality applications. * Strong experience with JavaScript and/or TypeScript. * Experience building and shipping mobile applications. * Experience working across both frontend and backend systems. * Experience designing and integrating backend APIs and services. * Experience building products from 0→1. * Ability to provide technical leadership while remaining highly hands-on. * Ability to effectively manage, mentor, and review the work of other engineers. Preferred Experience * Experience with React Native. * Experience with Expo. * Experience with Node.js and TypeScript. * Experience with PostgreSQL. * Experience building consumer mobile products. * Experience implementing push notifications. * Experience working with mobile contact permissions, deep links, and invitations. * Experience deploying applications through the Apple App Store and Google Play. * Experience mentoring or managing software engineers. Why Join Us * Serve as one of the earliest technical hires and have significant influence over NuFriends’ architecture, product, and engineering culture. * Lead a small engineering team from the beginning while remaining deeply involved in building the product. * Work directly with the founder and play a major role in translating the company vision into a real consumer product. * Own meaningful parts of the product across mobile, backend, infrastructure, and internal tooling. * Help build a product focused on improving real-world social connection and friendship. * Join at an early stage where your work will directly influence the trajectory of the company.