Reliability over novelty
Trust-critical financial journeys must remain stable under real user pressure.
Maintained crash rates below 0.5% on production banking applications.
Professional story
Banking projects helped me grow as an iOS engineer
I build secure and stable iOS banking apps that users can trust.
Working on banking systems taught me how to balance user experience, security, and delivery speed without reducing app stability. I focus on clear architecture, clear results, and calm execution.
Principles
How I make engineering decisions
Principles matter only when they lead to clear results.
Security by design
Security and encryption are built into architecture, not added late.
Implemented mobile security controls in banking products handling sensitive payment data.
Clear ownership and delivery
Teams move faster when responsibilities and release guardrails are explicit.
Led mobile delivery streams from requirements to deployment across cross-functional teams.
Collaboration
Cross-functional delivery style
Delivery works best when engineering, product, and control teams stay aligned.
Product and design
Turn user goals and policy rules into practical, testable flows with clear acceptance criteria.
Security and compliance
Align implementation details with control goals early, then keep clear records during releases.
Backend and platform
Set clear API contracts, consistent tracking, and rollback plans to reduce release risk.
QA and operations
Prepare clear release steps and incident response plans so issues are fixed quickly.
Career timeline
Progression across banking and product teams
Summary based on my public career profile.
Jul 2023 - Present
iOS Developer
Vattanac Bank - Phnom Penh, Cambodia
- - Developed and maintained a Payment Gateway iOS SDK for merchant integration.
- - Built a merchant app enabling QR-code payment acceptance.
- - Delivered features and fixes in the core Vattanac Bank iOS app.
Nov 2021 - Apr 2023
Associate Software Engineer, iOS Developer
Chip Mong Bank - Phnom Penh, Cambodia
- - Built native mobile features with focus on secure banking experiences.
- - Contributed across the full SDLC from technical estimation to release.
- - Implemented security and encryption measures in production apps.
Dec 2018 - Sep 2021
Mobile Application Developer (Native iOS and Android)
Codingate Technology Co., Ltd. - Phnom Penh, Cambodia
- - Progressed from Junior iOS Developer to Mobile Application Developer.
- - Mentored junior developers and supported client problem solving.
- - Established reusable libraries and CI/CD practices for mobile teams.
Highlights
More signals beyond project delivery
Examples of teamwork and growth across teams.
Profiles
Public links
My public profiles and contact channels.