About the role

  • Tech Lead specializing in React Native frontend development for Makro PRO's digital venture. Guiding technical excellence while driving B2B e-commerce transformation in Southeast Asia.

Responsibilities

  • 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.
  • 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

Job title

Tech Lead, React Native

Job type

Experience level

Senior

Salary

Not specified

Degree requirement

Bachelor's Degree

Location requirements

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