
Trung Ngo
@trungngo
Senior Mobile Engineer at Kyivstar.Tech who improved feature delivery by ~42% for My Kyivstar, serving 25M+ users.
What I'm looking for
At Kyivstar.Tech, I worked on My Kyivstar, a flagship app serving 25M+ users across Ukraine. I led its migration to a scalable, clean architecture, speeding feature delivery by ~42%.
I also architected native iOS and Android modules for React Native’s New Architecture and improved app performance through profiling and refactoring. In my current independent work, I’m building a personal mobile project with AI-assisted development workflows and seeking senior roles in mobile architecture, native integrations, and performance.
Experience
Work history, roles, and key accomplishments
Independent Software Engineer — AI-Assisted Mobile Development
Self-employed
Mar 2026 - Present (7 months)
- Deepening expertise in React Native, iOS, and AI-assisted development workflows (Cursor, Claude Code, Spec-Driven Development).
- Building a personal mobile project end-to-end using modern AI-assisted tooling.
- Improving English proficiency for technical interviews and international collaboration.
- Working on flagship mobile apps (My Kyivstar) serving 25M+ users across Ukraine. The platform provides telco services, payments, and digital content.
- Led design and migration to a scalable, clean architecture, speeding feature delivery by ~42% and improving codebase maintainability.
- Architected and implemented native iOS/Android modules for React Native (New Architecture), delivering stable
- Delivered a React Native app for a US startup, shipping MVP in 8 weeks.
- Mentored junior developers, improving team productivity and onboarding.
- Implemented CI/CD pipelines (Fastlane, GitHub Actions), streamlining the release process.
- Collaborated closely with product and design to iterate on features based on user feedback.
- Developed an Uber-like platform (rider and driver iOS apps) as part of a three-person iOS team, delivering both to beta in 4 months.
- Owned real-time geolocation and routing modules, improving update responsiveness.
- Wrote unit and integration tests and contributed to CI/CD, helping reduce regressions across releases.
- Collaborated with product and QA to optimize UX and performance.
- Built a native iOS app from scratch as solo iOS developer — architecture, core features, UI, and backend integration.
- Collaborated with product and backend teams to define requirements and ensure reliable API contracts.
- Delivered key modules and production-ready iOS features contributing to on-time releases, using reusable components.
- Built accessible, design-aligned UI components used across projects.
- Implemented REST API integration and JSON parsing with error handling.
- Collaborated with QA and backend teams to clarify requirements and fix integration issues.
Education
Degrees, certifications, and relevant coursework
Kharkiv National University of Radio Electronics
Bachelor's Degree, Computer Science
2014 - 2018
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
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