Tech Lead (React Native), Digital Venture

Makro PRO is an exciting new digital venture by the iconic Makro. Our proud purpose is to build a technology platform that will help make business possible for restaurant owners, hotels, and independent retailers, and open the door for sellers. Makro PRO brings together the best talent across multi-nationals to transform the B2B marketplace ecosystem. We welcome bold, energetic, and thoughtful people who share our belief in collaboration, diversity, excellence, and putting customers at the heart of our work

Take your career to new heights in the future of B2B e-commerce. Join our team and help us build Southeast Asia’s next unicorn.

Your Challenge:

We are looking for a highly skilled Tech Lead – Frontend (React Native) with strong expertise in React Native and modern frontend technologies. This role is ideal for someone who thrives on solving complex performance challenges, writing high-quality code, and guiding a small team while remaining hands-on with development.

This position requires 80% coding and 20% leadership/mentorship, ensuring both technical excellence and effective collaboration across the team.

Key Responsibilities:

Technical (80%)

• Architect, design, and implement scalable, performant frontend solutions using React Native, React.js, Next JS and related technologies.
• Diagnose and resolve performance bottlenecks (JS thread blocking, memory leaks, rendering optimizations, network performance, bundle size).
• Ensure code quality via best practices, automated testing, CI/CD integration, and code reviews.
• Collaborate closely with backend, QA, and product teams to deliver seamless mobile and web experiences.
• Stay updated with emerging frontend trends, frameworks, and tooling.

Leadership (20%)

• Provide technical mentorship to developers, fostering a culture of learning and excellence.
• Lead by example with hands-on coding, while setting coding standards and practices.
• Collaborate with Product Managers, Designers, and QA to align on delivery timelines and priorities.
• Support sprint planning, estimations, and ensure smooth delivery.
• Drive initiatives around frontend performance monitoring, observability, and proactive improvements.

Requirements:
• 7–12 years of experience in frontend development, with at least 4+ years in React Native.
• Strong knowledge of JavaScript (ES6+), TypeScript, React.js, Redux / Recoil / Context API.
• Proven expertise in performance optimization for React Native apps (cold start, FPS, memory usage, bundle size, network performance).
• Solid understanding of mobile CI/CD pipelines (App Center, Bitrise, Fastlane, GitHub/GitLab CI).
• Hands-on experience with frontend performance monitoring tools (Flipper, Firebase Performance, Sentry, New Relic, etc.).
• Strong debugging skills and ability to work across Android and iOS ecosystems.
• Familiarity with native bridges (Java/Kotlin, Objective-C/Swift) for React Native integrations.
• Good understanding of frontend security practices and accessibility.
• Excellent communication, problem-solving, and collaboration skills.
• Fluent in Thai, both written and spoken.
• Prior experience leading small teams or mentoring developers.

Nice-to-Have

• Experience with micro-frontends, modularization, or mono-repo setups.
• Familiarity with performance/load testing tools (JMeter, k6, Locust) for frontend APIs.
• Contributions to open-source projects or strong personal GitHub portfolio.

Benefits:
Health Insurance – At Makro PRO, we care about your health! Group insurance from a top insurance company is included in your benefits—OPD, IPD, Emergency OPD

Provident Fund – Makro PRO cares about your long-term plan! We offer 3% provident fund.

Year-end bonus – We include variable and performance bonus for our employees.

Gym Facilities – Our Head office has a fitness center, yoga room, and recreational space. Enjoy Bangkok scenery and work your body!

Attractive Vacations days – Enjoy our attractive annual leave. Let’s say the minimum is 16 days!

No overtime – We work 5 days a week with. We set our own goals and deadlines.

Free car parking space – No more stress or extra cost if you drive to work. We offer free parking space for our employees.

Best Culture

• Clear focus.
• Diverse Workplace (Our members are from around the world!)
• Thai and Non-Thai are both welcome!
• Non-hierarchical and agile environment
• Growth opportunity and career path