Software Engineering Manager leading high - performing Salesforce teams delivering scalable solutions at Caterpillar. Driving modernization through CI/CD and innovative Salesforce practices.
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
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