CHIZIARUHOMA OGBONDA
chiziaruhoma@gmail.com | chizi.app | linkedin.com | github.com/zfinix
SENIOR MOBILE ENGINEER
Google Developer Expert (GDE) |Senior Software Engineer | 7+ Years | GDE Flutter | Scalable Mobile Solutions | Mobile Architecture Leader
7+ years of experience building scalable solutions across fintech, health, government, and more. Recognized for technical leadership, open-source contributions, and driving 300%+ user growth.
CORE COMPETENCIES
- Mobile Development: Flutter/Dart (GDE), Kotlin, Swift, Rust, React Native, Clean Architecture, Advanced UI/UX
- Leadership: Led teams of 3-5+, Agile/Scrum, Cross-functional collaboration, SDLC & DevOps
- Fintech & Security: Digital wallets, Payment systems, Blockchain, Compliance (EU/GDPR, PCI-DSS)
- Performance & Infrastructure: CI/CD, Cloud services (AWS, GCP, Firebase), Analytics, A/B testing
PROFESSIONAL EXPERIENCE
Instalog.dev | Founder & Design Engineer | Jan 2024 – Present
AI-powered crash and error logging for devs and small teams
- Built Instalog from scratch — Rust backend, React frontend, mobile SDKs (Kotlin, Swift, Dart, React Native).
- Launched beta, onboarded 152 users (146 US, 6 EU), processed 136,000+ events.
- Converted 4 teams to paying customers ($30/month highest plan).
- Uses multiple LLMs (OpenAI, Claude, Gemini, LLaMA) to power crash analysis and explain errors to developers instantly.
Juicyway Inc. | Senior Design Engineer | Jan 2021 – Present
- Sole engineer responsible for developing and maintaining the company's fintech applications using Flutter/Dart, ensuring regulatory compliance.
- Single-handedly designed and implemented responsive UI/UX for multiple financial applications with a super performant and optimized user experience.
- Implemented security protocols to ensure strict compliance with SOC, Government, and Regulated compliance bodies
- I worked closely with QA teams to enforce rigorous quality standards, ensuring our mobile app was robust and reliable.
- Was a key contributor to Juicyway's growth, supporting over 5,000 customers across Africa, the US, Canada, and a dozen other countries, providing seamless cross-border payment solutions.
- I built Juicyway’s mobile app, driving the $3 million pre-seed funding round that fuelled expansions in marketing, business development, and technology.
Unbox Universe (NBX) | Senior Mobile Developer | Mar 2023 – Feb 2025
- Led a team of 3 engineers in developing blockchain-integrated mobile solutions for sustainable infrastructure.
- Architected a smart battery passport system on the Cardano blockchain, aligning with EU 2026 compliance.
- Developed a digital wallet system managing over $500,000 in SAMHSA grant distributions.
- Contributed to Unbox Universe's growth, leading to a €12 million Series A funding round led by HSBC Asset Management.
- Engineered waste management infrastructure for 2 million+ Gaza residents, reducing operational costs by 25%.
Eden Life Inc. | Lead Mobile Developer | Dec 2021 – Sep 2023
August 2022 - September 2023
- Revamped the core Flutter/Dart mobile application, leading to a 96% improvement in onboarding completion.
- Spearheaded a product-led growth initiative, increasing user signups by 300%.
- Reduced onboarding time from 24 minutes to just 4 minutes, achieving a 95.05% conversion rate.
- Integrated GetStream SDK-based chat system to support over 300 daily customer conversations.
- Played a key role in Eden Life's expansion, contributing to its growth to 99 employees and services across Nigeria and Kenya.
Cosmos Network (Tendermint) | Senior Mobile Engineer, DevX
February 2022 - August 2022
- Developed Flutter/Dart SDKs for seamless integration with the Cosmos blockchain, enhancing the developer experience.
- Built secure transaction signing modules and gRPC API implementations for blockchain networks, ensuring robust and efficient communication.
- Led technical discovery and solution design in an Agile development environment, fostering innovation and rapid iteration.
- Contributed to the development of Starport, an all-in-one platform for developers to build and launch any crypto app on a sovereign blockchain.
- Supported the rollout of Emeris, a platform enabling users to benefit from cross-chain DeFi, including features like staking, an airdrop tracker, and a cross-chain DEX aggregator.
Bottlepay Inc. (Acquired) | Senior Mobile Developer
January 2021 - March 2022
- Designed and implemented cryptocurrency and blockchain payment features using Flutter/Dart, enhancing the app's functionality and user experience.
- Developed an in-app referral system adopted by over 6,000 users across the EU/UK, contributing to user acquisition and engagement.
- Created an in-house Flutter package repository for blockchain integrations, streamlining development processes, and promoting code reuse.
- Applied Test-Driven Development (TDD) methodology, ensuring robust code quality and security.
- Contributed to Bottlepay's growth, leading to its acquisition by NYDIG in November 2021 for approximately $300 million.
EDUCATION & CERTIFICATIONS
- University of Nigeria Nsukka — Computer Science (3 years completed)
- University of London — Computer Science (1 year completed)
- Google Developer Expert (Flutter & Dart)