Adeyemi Harrison

Senior Backend Developer at P&K Smart Rise Solutions (2025-11 – Present)

Senior Backend Developer responsible for designing and maintaining scalable backend systems and RESTful APIs for web and mobile applications.

Design, develop, and maintain scalable backend systems and RESTful APIs for web and mobile applications
Implement business logic, database architecture, and system integrations to support application features and workflows
Integrate third-party services and APIs, including payment gateways, financial services, and external data providers
Develop secure backend processes for authentication, authorization, and data protection
Build and maintain background jobs, queues, and scheduled tasks for asynchronous processing and system automation
Collaborate with frontend developers, product managers, and designers to deliver efficient and scalable software solutions

Team Lead & Backend Developer at SchoolBridge (2024-08 – 2025-10)

Led a 5-person development team to design and deploy a school management system serving over 2,000+ users.

Led a 5-person development team to design and deploy a school management system serving over 2,000+ users
Developed backend features using Laravel, improving data efficiency by 40%
Built modules for attendance, grading, and communication
Integrated notifications and role-based access controls
Collaborated with the product team to define technical specs, reducing development time by 25%

Backend Developer at Fatherland Global (2023-05 – 2024-08)

Backend Developer for a diaspora engagement platform, focused on infrastructure maintenance and API optimization.

Designed and maintained backend infrastructure for a diaspora engagement platform
Improved API response times by 35% through query optimization
Ensured secure data handling and system compliance
Collaborated with mobile developers for seamless integration

Junior FullStack Developer at Petrong Software Solutions (2023-02 – 2023-05)

Led end-to-end development of Estate Agent Lagos web platform aimed at addressing Nigeria's housing deficit.

Led the end-to-end development of the Estate Agent Lagos web platform aimed at addressing Nigeria's housing deficit by enabling easier discovery and listing of residential and agricultural properties
Designed and implemented a responsive property listing system using HTML, CSS, Bootstrap, and JavaScript, enabling users to browse and explore available real estate assets
Structured the application interface and user workflows to improve property visibility, usability, and user engagement
Implemented dynamic UI interactions and client-side logic with JavaScript to enhance user experience and streamline property navigation
Managed the project independently from development to deployment, ensuring the platform functioned efficiently and met business requirements
Collaborated with stakeholders to translate business requirements into functional web features aligned with the platform's goal of unlocking underutilised real estate assets

Backend Developer at Nuelron Technologies (2022-09 – 2023-01)

Backend Developer for a fintech platform offering virtual wallets, airtime/data top-ups, and bill payments.

Built backend features for a fintech platform offering virtual wallets, airtime/data top-ups, and bill payments
Integrated secure authentication and payment systems, reducing transaction failures by 20%
Conducted end-to-end testing to maintain 99.9% uptime

Junior Full-Stack Developer at Mayorkay Technologies (2021-06 – 2022-07)

Junior Full-Stack Developer designing responsive frontends and developing backend logic.

Designed responsive frontends using HTML, CSS, Bootstrap, and jQuery
Developed backend logic and admin modules in Laravel
Collaborated with clients to deliver custom web solutions, including e-learning and e-clinic platforms

About