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I'm Achego Tamunobelema, a Mobile & Backend Engineer with 3+ years of experience building production-grade cross-platform applications using Flutter and scalable server-side systems with Node.js. I have a proven track record of architecting fintech and logistics solutions end-to-end, mentoring development teams, and driving 15%+ improvements in user engagement. I've led mobile development at multiple startups, built real-time data synchronization with WebSockets and Firebase, and implemented biometric authentication and anti-spoofing for secure trading features. I enjoy collaborating with product and design teams to ship robust, maintainable code and deliver measurable results.…I'm Achego Tamunobelema, a Mobile & Backend Engineer with 3+ years of experience building production-grade cross-platform applications using Flutter and scalable server-side systems with Node.js. I have a proven track record of architecting fintech and logistics solutions end-to-end, mentoring development teams, and driving 15%+ improvements in user engagement. I've led mobile development at multiple startups, built real-time data synchronization with WebSockets and Firebase, and implemented biometric authentication and anti-spoofing for secure trading features. I enjoy collaborating with product and design teams to ship robust, maintainable code and deliver measurable results.

Achego Tamunobelema

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm Achego Tamunobelema, a Mobile & Backend Engineer with 3+ years of experience building production-grade cross-platform applications using Flutter and scalable server-side systems with Node.js. I have a proven track record of architecting fintech and logistics solutions end-to-end, mentoring development teams, and driving 15%+ improvements in user engagement. I've led mobile development at multiple startups, built real-time data synchronization with WebSockets and Firebase, and implemented biometric authentication and anti-spoofing for secure trading features. I enjoy collaborating with product and design teams to ship robust, maintainable code and deliver measurable results.…I'm Achego Tamunobelema, a Mobile & Backend Engineer with 3+ years of experience building production-grade cross-platform applications using Flutter and scalable server-side systems with Node.js. I have a proven track record of architecting fintech and logistics solutions end-to-end, mentoring development teams, and driving 15%+ improvements in user engagement. I've led mobile development at multiple startups, built real-time data synchronization with WebSockets and Firebase, and implemented biometric authentication and anti-spoofing for secure trading features. I enjoy collaborating with product and design teams to ship robust, maintainable code and deliver measurable results.

Available to hire

I’m Achego Tamunobelema, a Mobile & Backend Engineer with 3+ years of experience building production-grade cross-platform applications using Flutter and scalable server-side systems with Node.js. I have a proven track record of architecting fintech and logistics solutions end-to-end, mentoring development teams, and driving 15%+ improvements in user engagement.

I’ve led mobile development at multiple startups, built real-time data synchronization with WebSockets and Firebase, and implemented biometric authentication and anti-spoofing for secure trading features. I enjoy collaborating with product and design teams to ship robust, maintainable code and deliver measurable results.

Skills

Experience Level

Expert

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Expert

Language

English

Fluent

Work Experience

Mobile Engineer at Roqqu

February 1, 2024 - Present

Engineer secure cryptocurrency trading features in Flutter, implementing biometric authentication, encrypted storage, and secure transaction flows. Enhanced KYC verification with gesture detection and anti-spoofing to run concurrently with facial verification. Collaborated with product and design teams to redesign the trading interface, contributing to a 15% increase in user engagement and a 23% reduction in transaction abandonment. Optimized app performance with profiling and lazy loading, reducing cold start time by 40% and memory usage by 25%. Implemented unit and integration tests achieving 85% code coverage and reducing production bugs by 60%.

Lead Mobile Engineer at E-Global Consulting Group LLC

February 1, 2024 - March 31, 2025

Led development of cross-platform mobile applications in Flutter for enterprise clients, delivering 5+ production apps with a 99.5% crash-free rate. Architected real-time data synchronization using WebSockets and Firebase for sub-100ms live updates. Partnered with UX/UI teams to establish a design system and component library, reducing development time by 30%. Contributed to backend API design and database schema optimization, improving query performance by 45%.

Lead Mobile Developer at Techno Craft

January 1, 2023 - February 1, 2024

Spearheaded development of VTU bill payment application in Flutter, serving 10,000+ users, integrating multiple payment gateways and utility providers. Mentored a team of 4 junior developers through code reviews, pair programming, and technical workshops on Flutter best practices. Established coding standards and CI/CD pipeline, reducing deployment time from 2 hours to 15 minutes.

Technical Lead & Lead Frontend Developer at SkitPay

September 1, 2022 - August 31, 2023

Led technical architecture and frontend development of a cross-border payment platform using React. Designed and implemented responsive, accessible UI components following modern React patterns. Integrated third-party payment APIs and KYC verification services into the frontend architecture.

Mobile Developer → Team Lead at Cinfores

October 1, 2022 - March 31, 2023

Built Access Pal v1 in Flutter, a QR-based access control system deployed across 50+ residential estates and gated communities. Promoted to Team Lead, managing 2 mobile developers and 2 UI/UX designers while architecting Access Pal v2. Designed scalable database schema and core business logic supporting expansion to schools and commercial properties.