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Adebayo Oluwaseyi

Adebayo Oluwaseyi

Mobile Engineer

Ogun, Ota $15/hr Remote Full-time
77
Profile Score

About

I am a highly skilled mobile engineer with experience in developing and designing production-ready apps from scratch. My expertise includes Flutter, Express.js, Node.js, and Firebase. I am passionate about creating seamless and user-friendly experiences for mobile app users.

Skills & Expertise (7)

Flutter Node.js Firebase Google Maps iOS Development RESTful APIs Figma

Work Experience

Mobile Engineer

Transcend Agency

September-2024 - February-2025

Architected and developed a production-ready mobile app from scratch using Flutter, supporting 100+ test scenarios across ride booking, wallet, and user flows. Designed and built the Express.js backend with Sequelize ORM, supporting 100+ user simulations across features like ride booking, wallets, and transactions. Integrated Google Maps and WebSockets for real-time driver tracking, tested under 50+ simulated ride conditions for performance. Built a Telegram bot with Node.js and WebSockets, processing 10+ test ride requests outside the mobile interface. Implemented Unified Payments to process over 100 test transactions for wallet top-ups and fare settlement. Achieved 80% crash-free sessions during internal pre-launch testing, with plans for further optimization.

GDG Mobile Dev Track Co-lead

Covenant University

March-2025 - Present

Delivered a full Flutter MVP, translating 12+ screens from business specs into a functional cross-platform app. Conducted 7+ stakeholder demo sessions, applying feedback to enhance UI responsiveness and core user flows. Implemented Firebase Authentication and Firestore to support 5+ test users with real-time syncing and secure access. Wrote 5+ backend Cloud Functions in TypeScript for user onboarding emails, push notifications, and automated interactions. Collaborated with the web team to maintain full data consistency across platforms. Collaborated on technical documentation outlining the backend structure, contributing detailed sections to support onboarding and future development.

Mobile Engineer

Bimtask Technologies

March-2024 - August-2024

Translated detailed Figma UI/UX designs into polished Flutter interfaces, delivering a responsive, pixel-perfect experiences. Integrated RESTful API endpoints from scratch, enabling 40% of app functionality. Collaborated in a 6-person Agile team, delivering updates in biweekly sprints. Managed iOS app updates post-deployment, ensuring continuous compliance with Apple’s evolving review guidelines. Resolved 15+ internally reported bugs through peer and supervisor reviews, ensuring a stable TestFlight build and improved pre-release user experience. Resolved platform-specific issues on iOS, including map rendering bugs and app icon inconsistencies, ensuring a consistent user experience across platforms.

Education

Bachelor of Science in Computer Science

2020 - 2024 · Nigeria

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 12/20
🎓 Education 10/10
⏱️ Experience 5/15
💰 Rate 5/5
🏆 Certs 0/5
Verified 5/5
Total Score 77/100

Profile Overview

Member sinceJul 2025
ExperienceIntermediate
Work ModeRemote
AvailabilityFull-time

Skills (7)

Flutter Node.js Firebase Google Maps iOS Development RESTful APIs Figma