Abdul-Hafiz Aderemi
Full Stack Developer
Professional Summary
Results-driven Full Stack Developer with 4+ years of experience building scalable web applications and backend systems. Specialised in Node.js, React, Vue.js, and cloud technologies. Proven track record of improving system performance, implementing best practices, and delivering high-quality solutions for diverse clients.
Skills
Backend
Node.jsExpressNestJSPostgreSQLMongoDBRedis
Frontend
ReactVueNext.jsTailwind CSS
DevOps
DockerGitAWSVercelNetlifyRenderRailway
Other
CommunicationAccountabilityCreative Problem SolvingAdaptabilityCritical ThinkingAttention to DetailTime ManagementCollaboration
Work Experience
Full Stack Developer
Sleekabyte Technologies
May 2025 - Present • Remote
- •Engineered a full stack battery rental marketplace using Next.js, Express, and PostgreSQL, supporting thousands of real-time rental transactions and device telemetry updates.
- •Optimised localised battery discovery by implementing a geospatial search engine using Haversine distance calculations, allowing renters to find available batteries within 15 miles of their current location.
- •Architected a robust, WhatsApp-style renter-owner messaging system supporting real-time communication via Socket.io.Implemented advanced features, including infinite scrolling with cursor-based pagination, live presence/typing indicators, and optimised media handling with AWS S3.
- •Built a real-time IoT monitoring dashboard to process and visualise live battery telemetry(charge levels, temperature, etc.), enabling owners to manage their batteries.
- •Improved platform trust and safety by implementing a comprehensive identity verification(KYC) flow, integrating Google OAuth2, JWT-based sessions, and automated email verification.
Full Stack Developer
LearnlyApp EdTech
Aug 2024 - May 2025 • Remote
- •Led the rapid prototyping of a "Gamification - as - a - Service" (GaaS) platform, facilitating a strategic company pivot and securing early - stage user interest through high - fidelity web demonstrations.
- •Architected a GenAI - powered content engine using NestJS, MongoDB, and OpenAI API, enabling automated transformation of static course material into interactive, gamified learning paths.
- •Engineered a standardised Repository Pattern for MongoDB / Mongoose operations, improving codebase maintainability and reducing feature delivery time by abstracting complex data access logic.
- •Developed a Psychometric Assessment Engine(Learning Personality) that utilised survey - driven logic to analyse and categorise individual learning styles, personalising the educational experience for the users.
Backend Development Instructor
Cypherdevs Technologies
Aug 2024 - Dec 2024 • Onsite
- •Mentored beginner developers in JavaScript and Node.js, covering core backend development concepts.
- •Designed hands-on projects to help students apply concepts like authentication, database management, and REST API design.
Backend Developer
Faculty of Communication and Information Sciences, University of Ilorin
Nov 2023 - Jul 2024 • Onsite
- •Worked on a chat application for students to anonymously chat with the faculty's welfare team regarding their personal issues.
- •Worked on the database design for an e - voting platform for the faculty
Computer Science Intern
Computer Services and Information Technology (COMSIT), University of Ilorin
Jun 2023 - Nov 2023 • Onsite
- •Contributed to the development of the university's website.
- •Supported the installation and troubleshooting of WiFi routers and other networking systems within the university.
Education
Bachelor of Science in Computer Science
University of Ilorin
2019 - 2024
Honours and Awards
First Place - Software Engineering Exhibition
University of Ilorin
2024