David Paul Folorunsho-Roberts
Software Engineer
Nigeria
Summary
Software Engineer with 6+ years building scalable, high-performance mobile and backend systems across fintech, telehealth, e-commerce, IoT, and logistics. Specializes in cross-platform and native mobile development (Flutter, Swift, Kotlin) backed by Go microservices and real-time, offline-first architectures. Has shipped production apps serving 20,000+ active users, led engineering teams, and championed clean-architecture and CI/CD practices.
Overview
8
8
years of professional experience
Work History
Software Engineer, Mobile
Escrow-Tech
01.2026 - Current
- Lead architecture of an offline-first Flutter application for the Carbon-Adjust Clearing Platform, a real-time energy marketplace connecting households and businesses to grid-balancing opportunities.
- Engineered resilient real-time communication with WebSockets and MQTT, optimized for low-bandwidth and unstable 2G/3G networks; integrated IoT device registration and energy-flexibility scheduling.
- Implemented offline-first persistence with SQLite and Hive, including background sync, conflict resolution, and reconciliation on reconnect, and managed complex state with Riverpod and BLoC.
- Built secure API layers with Dio (token refresh, retry, failure handling) and owned CI/CD across Fastlane, Codemagic, and GitHub Actions for automated testing and App Store / Google Play releases.
- Carbon-Adjust Clearing Platform, a real-time energy marketplace connecting households and businesses to grid-balancing opportunities.
Software Engineer, Mobile & Backend
Icheta
Lagos
01.2025 - 01.2026
- Led development of a next-generation social-commerce platform combining e-commerce, real-time interaction, and AI-driven shopping, built with React Native and Go.
- Integrated AI features such as personalized recommendations, smart search, and voice interactions localized for Igbo, Hausa, Yoruba, and Pidgin, alongside AR-based product previews.
- Designed high-performance API integrations and optimized for low-bandwidth devices, cutting load times and data consumption while lifting engagement, on a modular clean-architecture codebase.
Software Engineer, Mobile
Sujimoto Group
Lagos
01.2024 - 01.2025
- Led mobile engineering for MotoBills and MotoPay (bill-payment and merchant fintech) and Plenti (ecommerce), shipping production-grade Flutter applications.
- Architected secure wallet, transaction, and payment pipelines integrated with Java, PHP, and Laravel backends; built real-time transaction monitoring, webhook handling, and error-recovery systems.
- Integrated third-party payments, KYC identity verification, notifications, and analytics, achieving high crash-free rates and production stability for financial operations.
Software Engineer, Mobile
Healio
Thorofare, New Jersey
01.2024 - 01.2025
- Led end-to-end React Native development of a telemedicine platform spanning teleconsultation booking, e-prescriptions, lab management, medication scheduling, and IoT health-device integration.
- Built secure infrastructure with Firebase and RESTful APIs covering authentication, role-based access control, and encrypted data flows, meeting healthcare-grade security standards.
- Designed modular, scalable architecture and optimized real-time synchronization between mobile, backend, and IoT devices.
Software Engineer, Mobile & Backend
NexaHealth
01.2023 - 01.2024
- Architected and led mobile engineering for an enterprise real-time teleconsultation platform using Swift and Go, supporting 20,000+ active users.
- Integrated IoT health-tracking with secure PostgreSQL databases and built real-time video-consultation workflows between clinicians and patients.
- Implemented CI/CD via GitHub Actions and Firebase App Distribution, reducing deployment time by 40%; sustained a 99.5% crash-free rate and 4.7+ App Store rating.
Software Engineer, Mobile
Respawn Technologies
Lagos
01.2021 - 01.2023
- Built and shipped 8+ cross-platform applications (Swift, Go, MongoDB) plus backend services supporting high-concurrency, real-time interactions.
- Co-developed a proprietary analytics SDK adopted across 5 production projects, improving user engagement by 35%; delivered push-notification systems for tournaments, live events, and social features.
Software Engineer, Mobile
Andela
01.2020 - 01.2021
- Built scalable Kotlin and Swift modules for U.S. and European clients across fintech, logistics, and enterprise products, integrating complex REST APIs and PostgreSQL.
- Delivered feature-complete releases 30% faster through agile delivery, clean architecture, and CI/CD pipelines with globally distributed teams.
Software Engineer, Intern
Decagon Institute
Lagos
01.2018 - 01.2019
- Built 10+ MVPs with Flutter, React Native, Swift, Node.js, and MongoDB, with Firebase integrations, and participated in code reviews and engineering best practices.
Mobile Development Instructor
Netisens ICT
Uyo
01.2018 - 01.2019
- Designed and delivered a project-based Flutter / FlutterFlow curriculum for 30+ students with a 95% completion rate, mentoring learners on Swift and Kotlin fundamentals.
Education
M.Sc. - Software Engineering
Miva University
06.2026
Postgraduate Diploma - Software Engineering
University of Uyo
01.2025
B.Sc. - Agriculture
Landmark University
01.2024
Skills
- Go
- Dart
- Swift
- Kotlin
- TypeScript
- JavaScript
- Python
- Solidity
- Flutter
- React Native
- SwiftUI
- UIKit
- Kotlin Multiplatform
- Jetpack
- Nodejs
- Nextjs
- REST
- GraphQL
- WebSockets
- WebRTC
- MQTT
- Web3js
- PostgreSQL
- MySQL
- MongoDB
- SQLite
- Hive
- Firebase
- Supabase
- Clean Architecture
- SOLID
- MVVM
- VIPER
- Riverpod
- BLoC
- Provider
- Redux
- Docker
- GitHub Actions
- Fastlane
- Codemagic
- CI/CD
- Firebase (FCM, Crashlytics, Remote Config)
- Test-Driven Development
- Agile
- Scrum
- Code Review
- Mentorship
- Technical Documentation
Personal Information
- Specialization: Mobile & Backend
- Availability: Open to Remote, Nigeria
Featured Work And Open Source
- Trippicker, Web3 Ride-Hailing Platform, Flutter, Firebase, Google Maps SDK, Real-time GPS, App Store, Rider and driver apps with real-time GPS tracking, fare estimation, in-app payments, dynamic pricing, and driver-passenger matching., 5.0 App Store rating
- MotoBills, Utility Bill Payments, Flutter, Firebase, REST, Biometric Auth, Google Play, Fintech app for electricity bills, cable TV, and airtime/data top-ups, with biometric authentication and a secure transaction-history dashboard.
- AI Calorie Tracker, Computer-vision nutrition app, Flutter, BLoC/Cubit, Clean Architecture, Grok LLM, GitHub, Estimates calories and macros from a food photo via an LLM pipeline, with local-first storage.
- Go-ethereum, Open Source, Go, GitHub, Contributor to Geth, the Go implementation of the Ethereum protocol.
- FastLED, Open Source, C++, Embedded, GitHub, Contributor to FastLED, a widely used C++ LED-animation library for embedded systems.
Timeline
Software Engineer, Mobile
Escrow-Tech
01.2026 - Current
Software Engineer, Mobile & Backend
Icheta
01.2025 - 01.2026
Software Engineer, Mobile
Sujimoto Group
01.2024 - 01.2025
Software Engineer, Mobile
Healio
01.2024 - 01.2025
Software Engineer, Mobile & Backend
NexaHealth
01.2023 - 01.2024
Software Engineer, Mobile
Respawn Technologies
01.2021 - 01.2023
Software Engineer, Mobile
Andela
01.2020 - 01.2021
Software Engineer, Intern
Decagon Institute
01.2018 - 01.2019
Mobile Development Instructor
Netisens ICT
01.2018 - 01.2019
M.Sc. - Software Engineering
Miva University
Postgraduate Diploma - Software Engineering
University of Uyo
B.Sc. - Agriculture
Landmark University