I build high-performance iOS apps for banking, payments, and commerce.

iOS Developer at Vattanac Bank with 7+ years shipping mobile banking apps, merchant payment tools, and SDK work used in real products.

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iOS banking and fintech appsPayment SDKs and merchant QR flowsSecurity and encryption

Now building

Banking apps, merchant tools, and payment SDK work.

Current role

Vattanac Bank

Phnom Penh, Cambodia

Open to

iOS product roles

Banking, fintech, and trust-heavy mobile teams.

Experience

7+ years across iOS and native mobile delivery

Current role

iOS Developer at Vattanac Bank

Live work

Mobile banking apps, merchant QR app, and payment gateway SDK

Reliability

Crash rates kept below 0.5% in production

Selected work

A fast read on the work that matters most.

Two case studies for architecture, delivery, and reliability in banking products.

ArchitectureSecurity/ComplianceDelivery

Payment Gateway iOS SDK Delivery

Built and maintained a production payment SDK that simplified secure merchant integration.

Enabled merchant-side payment acceptance with strong reliability and security expectations.

Merchants needed an integration path that was easier to adopt while preserving banking-grade controls and predictable behavior.

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DeliveryPerformanceSecurity/Compliance

Merchant QR Payment App Enablement

Delivered a merchant app flow that allows account holders to accept QR payments reliably.

Extended digital payment accessibility for merchants while keeping the experience stable and secure.

Merchant users needed a smooth QR payment acceptance experience that worked consistently in day-to-day business usage.

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Live apps

Vattanac Bank

iOS

Retail mobile banking app for daily account and payment journeys.

View on App Store

Vattanac Bank Merchant

iOS

Merchant companion app for QR payment acceptance and operations.

View on App Store

Recommendation

“Vital is a genuinely nice loving human being, a great person and colleague to us, a talented resource, he never says no to any tasks being assigned or asked to help and always looking for helping his teammate as much as he could, it does not matter what time was it he was always there to help.”

Pherum Un

Lead Development | Digital Banking | System Integration | Software Development | Implementation Engineer

Pherum managed Vital directly

From LinkedIn

Short writing on delivery, leadership, and engineering habits.

A few recent posts, with a cleaner reading view inside the site.

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4-page documentJul 17, 2025

3 Lessons on KPI Alignment as a Tech Lead

Document preview from LinkedIn

2 reactions · 0 comments · 0 reposts

𝐊𝐏𝐈𝐬 𝐚𝐫𝐞 𝐧𝐨𝐭 𝐭𝐡𝐞 𝐟𝐢𝐧𝐢𝐬𝐡 𝐥𝐢𝐧𝐞; 𝐭𝐡𝐞𝐲’𝐫𝐞 𝐭𝐡𝐞 𝐜𝐨𝐦𝐩𝐚𝐬𝐬. I’ve learned that setting KPIs aligned with the roadmap is important, but life (and pro...

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4-page documentJul 15, 2025

Delegating tasks isn’t just about assigning work

Document preview from LinkedIn

6 reactions · 0 comments · 0 reposts

𝐃𝐞𝐥𝐞𝐠𝐚𝐭𝐢𝐧𝐠 𝐭𝐚𝐬𝐤𝐬 𝐢𝐬𝐧’𝐭 𝐣𝐮𝐬𝐭 𝐚𝐛𝐨𝐮𝐭 𝐚𝐬𝐬𝐢𝐠𝐧𝐢𝐧𝐠 𝐰𝐨𝐫𝐤; 𝐢𝐭’𝐬 𝐚𝐛𝐨𝐮𝐭 𝐜𝐫𝐞𝐚𝐭𝐢𝐧𝐠 𝐢𝐦𝐩𝐚𝐜𝐭. When I first stepped into a leadersh...

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LinkedIn postJul 11, 2025

Tech debt isn't just a cide problem-it's a communication one.

Thoughts shared on LinkedIn

8 reactions · 1 comments · 2 reposts

In fast-moving teams, technical debt often builds up quietly. We make prototypes quickly or ship something valuable early. That’s okay, but only if we acknowledge the cost and p...

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Next step

If the work looks relevant, the fastest path is a direct message.

Reach me on Telegram or LinkedIn for hiring conversations, portfolio follow-up, or iOS role discussions.

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