Team Lead Full Stack

We are looking for a Tech Lead profile for a proptech startup in Barcelona. Your mission as theTeam Lead & Full Stack Engineerwill be to lead, mentor, and code alongside a high-performing remote team of ~5 engineers. You will act as the technical anchor for the team, driving a critical strategic transition: migrating our mobile presence from Flutter to React Native, while creating a unified codebase across Web(React)and Backend (). You will not only design scalable Serverless architectures and intuitive UIs but also foster a culture of technical excellence. You will work hand-in-hand with a Product Manager based in Spain to translate business needs into a seamless, secure, and fast multi-platform experience that simplifies property investment for everyone. Your successin this mission will be stellar if you succeed in the following areas: Technical Leadership & Strategy Lead the Migration:Architect and execute the transition from our current Flutter application to a robust React Native environment, ensuring zero downtimeand feature parity. Team Management:Lead, mentor, and unblock a remote team of ~5 developers. Conduct code reviews, ensure technical alignment, and foster a collaborative culture. Unified Architecture:Design a cohesive strategyfor our Web (React) and Mobile (React Native) platforms, maximizing code reuse and consistency. Hands-on Engineering (Full Stack): Active Development (50%): This is a hands-onrole. You are expected to spend 50% of your time writing code, implementing features, and solving complex technical problems alongside the team. Robust Backend:Develop and optimize backend services using N, TypeScript, and Serverless architecture (AWS Lambda/SST)to ensure scalability and security. High-Quality Frontend:Oversee and contribute to the development of beautiful, responsive web applications in React and mobile apps in React Native. Best Practices:Enforce clean, maintainable, and testable code. Champion SOLID principles and drive adherence to modern CI/CD workflows. Innovation & Process: Accelerated Delivery:Proactively integrate AI coding assistants (like Cursor) into the team's workflow to boost efficiency without sacrificing quality. Collaboration:Partner closely with the Product Manager (Spain) and designers to define technical requirements and delivery timelines. What will make you succeed with us? 7+ yearsof total professional experience insoftware development. 3+ years of experience in a Team Lead or Tech Leadrole, managing remote engineers. Expert proficiency in theJavaScript/TypeScriptecosystem:, and React Native(bonus points). Hands-on experience with Serverless architectures (AWS Lambda). Proficiency with Git and establishing robustCI/CD pipelinesfor both mobile and web. Deep practical knowledge ofSOLID principles, system architecture, and Clean Codetechniques. Remote Leadership:Proven ability to keep a distributed team aligned, motivated, and productive. Excellent communication skillsfor collaborating with a PM based in Spain (CET) and a remote team in Asia time zones. Architectural Mindset:Ability to balance quick product iterations with long-term system stability and scalability. AI-First Mindset:Leveraged AI tools (e.g., Cursor, Copilot) to accelerate development cycles. Fluent in Spanish and English (Mandatory) What benefits we bring you? We work remotely and in a flexible environment.This means we work with OKRs, always looking to grow the business, and we work with people worldwide, so we might have to adjust to different time zones. Learning and development.No matter where you come from, no matter what you have studied, you will always have room to learn from others and develop yourself by participating in an open and transparent environment full of experiences and creative ideas. Great Teamwork. If you join us you will be part of a growing strong team composed of different levels of seniority, where decision and ownership is shared. Early-stage Startup and opportunity for career growth. You will be part of the growth of a powerful startup with international projection and you will be able to gain more responsibility. Competitiveeconomic package. About Joppy Joppy is a technology recruitment platform built for developers by developers. No CV is required. Just say what you know and what you want. Anonymous profile by default. You choose who can talk to you. Companies cannot write to you until you accept their offer. Only relevant offers that match your preferences. No more Javascript offers for Java developers. Get rewarded if you get hired. Keep an eye on tech job opportunities anonymously and find the job that makes you happy.