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stanley nwankwo

@stanleynwankwo

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Senior Mobile Engineer at OneDosh who shipped cross-border wallet and payment features for an app with 200K+ downloads.

Nigeria

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At OneDosh, I shipped cross-border wallet and payment features for an app with 200K+ downloads, including bank transfers, cards, stablecoins, onboarding, and KYC. I also led the physical and virtual cards module from specification to release.

At Rushbill, I owned bill payment, wallet top-up, P2P transfer, and transaction history flows. At DailyBlum and Mydnes, I worked on wellness tracking, health dashboards, and habit features.

Earlier, I created matching and real-time chat flows at Rendlr and built admin tools for football predictions at Rivio. I work across React Native and TypeScript, integrating services such as Stripe, Plaid, Firebase, and Sumsub.

Experience

Work history, roles, and key accomplishments

Senior Mobile Engineer

OneDosh

Jun 2025 - Sep 2026 (1 year 3 months)

Shipped wallet, bank transfer, card, stablecoin, auth, onboarding, and KYC features in React Native and TypeScript for a stablecoin-powered cross-border fintech app with 200K+ users. Led the physical and virtual cards module from spec to release and integrated six production SDKs for payments, KYC, and monitoring.

React Native TypeScript Expo Stripe Plaid Sumsub Sentry Firebase EAS Builds OTA Updates API Integration Android iOS

Mobile Engineer

Rushbill

Oct 2024 - Jul 2025 (9 months)

Owned four payment flows—bill payment, wallet top-up, P2P transfer, and transaction history—in React Native and TypeScript for a Nigerian fintech app. Integrated payment gateways and billing APIs, added biometric login, and handled validation and error recovery for real-money transactions.

React Native TypeScript Zustand Payment Gateways biometric authentication API Integration Error Handling

Mobile Engineer

DailyBlum

Sep 2023 - Dec 2024 (1 year 3 months)

Designed dashboards and push notifications across three wellness areas for a health and fitness companion app. Kept app state in Zustand, connected REST APIs, and tuned list and scroll performance on lower-end Android devices.

React Native TypeScript Zustand REST APIs Push Notifications Performance Optimization Android

Mobile Engineer

Mydnes

Oct 2022 - Aug 2023 (10 months)

Built out four main areas of an AI-powered preventive health platform—wellness check-ins, health dashboards, habit tracking, and AI insights—in TypeScript and NativeWind. Connected backend APIs for habit tracking and health data sync, and used Zustand for client state.

React Native TypeScript Nativewind Zustand REST APIs AI Health Tech Performance Optimization Accessibility

Mobile Developer

Rivio

Sep 2020 - Oct 2022 (2 years 1 month)

Put together admin CRUD tools for clubs and match predictions across 10+ football leagues for a football predictions and betting tips platform. Connected the admin panel to backend APIs and wrote responsive UI in React, TypeScript, and Tailwind CSS.

React TypeScript Tailwind CRUD REST APIs Admintool Sports

Mobile Engineer

Rendlr

May 2021 - Sep 2022 (1 year 4 months)

Created matching, profile, and real-time chat flows across 15+ screens in React Native, TypeScript, and NativeWind for a gamified social dating app. Crafted swipe-based discovery with Reanimated and set up secure auth and WebSocket messaging.

React Native TypeScript Nativewind Reanimated WebSockets Authentication Performance Optimization Social Media Applications

Mobile Engineer

EasyEnd

Apr 2019 - Sep 2020 (1 year 5 months)

Shipped 20+ React Native screens for onboarding, attendance, leave, reports, and company policies with Expo Router, TypeScript, and NativeWind for a workforce and HR management platform. Split the UI by role and rolled out GPS attendance with check-in/out and location-gated auth.