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Posted about 1 month ago
Requirements and responsibilities
We’re looking for a Senior React Native Developer who is ready to fully understand and take ownership of our tech stack and eventually grow into a leadership role on our Development team. You’ll lead the development, maintenance, and innovation of our app at first and grow into mentoring our developers and helping them grow their skills.
In this role, you will:
- Own the development and maintenance of our mobile applications (iOS & Android) using React Native.
- Architect, design, and implement scalable, maintainable mobile solutions.
- Design, implement, and maintain backend services and APIs using Node.js.
- Take ownership of day-to-day technical and architectural decisions, balancing quality, delivery speed, and product impact.
- Ensure high standards of code quality, testing, and maintainability through code reviews, unit tests, and best practices.
- Identify and resolve performance issues, technical debt, and architectural risks, optimizing for stability and responsiveness.
- Collaborate closely with Product, Design, and UI/UX to build solutions grounded in real user needs.
- Mentor developers, conduct code reviews, and actively raise the overall technical bar.
- Gradually become the go-to technical authority for the team.
- Stay up to date with industry trends and emerging technologies to drive continuous improvement and innovation.
This is a full-time role, and you’ll need to be available from 14:00–18:00 Thailand time (GMT+7) / 8:00 AM–12:00 PM CET. We also have a preference for candidates who can overlap more closely with our core working hours of 9:30 AM–6:00 PM Thailand time (GMT+7).
This role is not about managing people immediately. It’s about owning systems, decisions, and outcomes, with leadership growing naturally from there.
You will report directly to the Co-Founder & CEO, Simon Bacher, with close collaboration across Product, Design, and QA.
Over time, you’re expected to grow naturally into a Tech Lead position, based on trust, impact, and results.
Requirements
To excel in this role, you need:
- BS/MS degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).
- 5+ years of professional software development experience, with a strong focus on mobile development.
- Clear communication skills, strong ownership mentality, and fluency in English.
- 3+ years of hands-on production experience with React Native.
- Strong proficiency in TypeScript, JavaScript, React, and React Native.
- Experience building and maintaining backend services using Node.js (NestJS, Express, or similar).
- Deep understanding of mobile performance optimization, debugging, and troubleshooting.
- Experience with native modules and bridging in React Native.
- Familiarity with functional and declarative programming paradigms, including immutable data structures.
- Experience with modern engineering practices such as code reviews, testing (unit & end-to-end), and CI/CD pipelines.
- Experience with Firebase, Git, and third-party integrations.
- Strong understanding of performance, scalability, and maintainability trade-offs.
- Product-oriented mindset — you care why things are built, not just how.
- Proven leadership experience mentoring junior developers and collaborating across teams.
Brownie points for:
- Prior experience acting as a Tech Lead or technical owner.
- Experience improving legacy systems or scaling production applications.
- Exposure to mobile performance optimization or complex state management.
The ideal candidate is easy to work with, willing to take on challenges, and not afraid to openly communicate across departments. You should be able to break down complex technical topics so others can understand them.
We’re looking for someone who is supportive, open to feedback, and committed to our mission of helping people learn languages.
If you’re entrepreneurial and like to take initiative, you’ll fit right in.
Optionally, you can add more information later (benefits, pre-screening questions, etc.)