Careers

Senior Mobile Engineer (React Native)

Full-time

Ho Chi Minh City

Engineering

April 3, 2025

Hybrid work

Apply for this job Refer a friend

KMS Technology was established in 2009 as a U.S.-based software services company. With development centers in Vietnam and Mexico, we have been trusted globally for the superlative quality of our software consulting & development services, technology solutions, and engineers' expertise. We pride ourselves on creating brilliant solutions for our clients by leveraging deep expertise, advanced technologies, and delivery excellence for a shared success where everyone can reach their fullest potential. With three Business Lines:

  • KMS Software: Leverage software domain expertise to help clients make better business decisions in technology platforms, increase speed-to-market, and gain critical development support through innovative technology solutions.
  • KMS Solutions: Empower BFSI businesses to embrace the digital finance revolution and expedite clients’ journey towards complete digitalization, technology consulting, data analytics, software development, and software quality.
  • KMS Healthcare: Build transformative next-gen technologies to solve healthcare’s most challenging problems, providing innovative tools and expertise to providers, payers, life sciences, and medical technology vendors.

Responsibilities

Your key responsibilities:

  • Develop, and maintain high-quality React Native applications using clean code.
  • Diagnose and repair bugs and performance bottlenecks for native-like performance.
  • Reach out to the open source community to encourage and assist in implementing mission-critical software fixes—React Native moves quickly and frequently breaks things.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Debug, troubleshoot, and resolve complex technical issues.
  • Ensure application performance, scalability, and security standards are met.
  • Communicate with US clients for requirement clarification and technical discussions.
  • Perform other tasks assigned by the Line Manager.

Qualifications

General requirements:

  • At least an intermediate skill level of English.
  • 4+ years of experience in mobile application development.
  • Strong problem-solving skills and the ability to obtain deep knowledge of project technologies.
  • Experience mentoring junior developers.

Technical requirements:

  • 4+ years of professional experience with React Native development
  • Strong expertise in JavaScript/TypeScript and React/React Native patterns
  • Proven experience building and deploying production-grade mobile applications to both iOS and Android app stores
  • Experience integrating and customizing video streaming solutions in React Native
  • Strong understanding of state management solutions (Redux, Context API, MobX, etc.)
  • Experience with native module integration and bridging when required
  • Knowledge of performance optimization techniques for React Native
  • Experience with authentication flows and subscription management
  • Proficiency with RESTful APIs and GraphQL
  • Experience with CI/CD pipelines for mobile app deployment
  • Understanding of app security best practices

Nice to have:

  • Experience with video player customization and DRM implementation
  • Knowledge of analytics implementation (Google Analytics, Segment)
  • Experience with feature flagging systems (Launch Darkly)
  • Familiarity with push notification services
  • Experience building shared codebases for web and mobile
  • Experience with A/B testing implementation
  • Knowledge of subscription management across different platforms
  • Experience with offline-first approaches and caching strategies
  • Familiarity with live-streaming technologies
  • Previous work on media/streaming applications
  • Experience with WebRTC or similar technologies

Benefits and Perks

Perks You'll Enjoy 

  • Working in one of the Best Places to Work in Vietnam
  • Building large-scale & global software products
  • Working & growing with Passionate & Talented Team
  • Diverse careers opportunities with Software Services, Software Product Development, IT Solutions & Consulting
  • Attractive Salary and Benefits
  • Two performance appraisals every year and performance bonus
  • Onsite opportunities: short-term and long-term assignments in North American (U.S, Canada), Europe, Asia.
  • Flexible working time
  • Various training on hot-trend technologies, best practices and soft skills
  • Premium healthcare insurance for you and your loved ones
  • Company trip, big annual year-end party every year, team building, etc.
  • Fitness & sport activities: football, tennis, table-tennis, badminton, yoga, swimming…
  • Joining community development activities: 1% Pledge, charity every quarter, blood donation, public seminars, career orientation talks,…
  • Free in-house entertainment facilities (foosball, ping pong, gym…), coffee, and snack (instant noodles, cookies, candies…)

And much more, join us and let yourself explore other fantastic things!

URL Copied

Apply For This Job

Upload CV
0%

THANK YOU!

Your CV has been sent to HR team!