Senior Mobile App Developer
Specialized in React Native, TypeScript, and Mobile Architecture, with production experience across financial super apps, agency banking, and e-commerce platforms. Also proficient in Flutter and Full-Stack development.
Featured Mobile Projects
Production React Native and mobile applications built for scale, performance, and real user workflows.
Dashen Bank Super App
High-security banking super app with elliptic curve cryptography, Fayda KYC onboarding, utility settlements, and quick offline indexing.
EthioPost Agent Banking Mobile App
Mission-critical agent banking application streamlining deposits, withdrawals, utility settlements, P2P transfers, and biometric identity.
Order Ethiopia – E-Commerce Mobile App
Scalable cross-platform e-commerce mobile application with Gebeta Maps live GPS tracking, Shopify FlashList 60 FPS scrolling, Vision Camera QR, and video reels feed.
Worklance – FinTech & Freelance Marketplace
Multi-channel freelance & digital wallet platform with real-time Socket.io chat, AI resume matching (OpenAI), and Telegram Mini App integration.
Work Experience
Track record of shipping production mobile applications and leading feature delivery.
Mobile Application Developer
Eagle Lion System Technologies
Core mobile developer building production fintech and banking applications with React Native and TypeScript.
- Implemented secure token‑based authentication and local data storage, supporting 150+ daily active users and reducing session‑related bugs by ~40%.
- Integrated 8+ financial APIs, enabling real-time transaction processing and reducing data sync latency by 30%.
- Built silent token refresh and local queue retry mechanisms to handle session expiry during long transactions.
- Collaborated with backend teams to define API contracts and optimize system stability.
Full Stack Developer
TBC Technologies
Engineered scalable web and mobile user interfaces, integrated resilient REST APIs, and led production stability improvements.
- Resolved 12+ critical production bugs, reducing crash rates by 25% and improving user retention.
- Integrated REST APIs with retry logic and error boundaries, cutting API call failures by ~20%.
- Participated in Agile workflows using Git, code reviews, and pull requests.
- Developed responsive frontend features with React and Next.js, ensuring UI/UX consistency.
- Handled data fetching and global state management by integrating frontend components with backend APIs.
- Worked in a collaborative team environment using daily stand-ups and branching workflows.
Technologies & Tools
Focused on production React Native mobile architectures, with end-to-end full-stack capabilities.
Mobile Development (Primary)
Core FocusState Management & Offline Storage
Frontend & Full-Stack Web
Backend, APIs & Cryptography
Mobile Tools & SDKs
Core FocusInteractive Terminal Portfolio
Prefer the command line? Run commands directly below in this real-time embedded CLI shell.
> Connecting to remote shell: terminal.dagmayalew.online
> Loading interactive command-line interface...
Get In Touch
Interested in discussing a mobile engineering project, senior role, or technical collaboration? Send a message below or reach out directly.dagmayalew489@gmail.com.