ADESIYAN SEGUN
Abuja, FCT,FC
Summary
Highly skilled and self-driven Full Stack Web & Mobile Developer with over 14 years of hands-on experience designing, developing, and deploying scalable software solutions across diverse industries including fintech, e-commerce, education, media, agriculture, and cleaning services. Adept at building secure, responsive, and data-driven platforms using PHP, MySQL, and JavaScript, with a strong command of API integrations, payment systems, and administrative dashboards. Proven track record of independently delivering high-impact projects from concept to launch such as a mini-banking system, interactive educational games, e-commerce marketplaces, and nationwide digital directories. Expert in cross-browser compatibility, responsive design, SEO optimization, and software best practices. Passionate about innovation, system security, and building digital tools that solve real-world problems at scale.
Overview
13
13
years of professional experience
Work History
Full Stack Developer / EdTech Game System Designer
Ngmastermind
11.2024 - Current
- Built a fully interactive educational gaming platform, ngmastermind.com, combining e-learning with financial incentives.
- Implemented a secure wallet system, enabling users to fund accounts and play games for potential cash rewards.
- Developed various knowledge-based games, including: Word Search, Crossword Puzzles, Paragraph Keyword Finder, and Subject-based Trivia and General Knowledge Tests.
- Designed an auto-correction and feedback system that transparently shows users the correct answers after unsuccessful attempts.
- Balanced fun and education while ensuring financial transparency, user accountability, and integrity.
- Integrated secure payment gateways, wallet balance tracking, and real-time updates.
Web Developer & Digital Content Manager
First Digital Press
05.2023 - Current
- Built and managed the official website https://ngwhoiswho.com, Nigeria’s digital-age Who’s Who platform.
- Developed a comprehensive search and registration system for Nigerian personalities, businesses, and organisations.
- Maintained full-stack web development responsibilities, including front-end, back-end, and database integration.
- Coordinated updates and data uploads for thousands of notable biographies, and business listings.
- Supported the digital transition of archival and historical content for multimedia distribution (discs, USB, and app platforms).
Full-Stack Developer / Fintech Integration Special
Abidav Solution
02.2022 - Current
- Developed and deployed a multi-service platform for airtime, data bundles, PHCN tokens, WAEC/NECO pins, and other digital products at abidav.com.ng.
- Integrated a live virtual wallet system, allowing users to fund accounts via bank transfer, and make real-time purchases with instant balance updates.
- Built an admin dashboard to monitor user activity, sales, transaction history, and profit analytics for operational efficiency.
- Implemented automated email notifications for successful transactions, balance updates, and system alerts.
- Ensured system-wide security and reliability across payment processes, and digital product delivery.
Full-Stack Web Developer
Digital Food Village
01.2022 - Current
- Designed and developed a full eCommerce food delivery platform with a user-friendly front end and dynamic back-end tools.
- Built an admin dashboard for staff to upload products, with smart logic to automatically calculate the retail price based on base cost, logistics, and other business factors.
- Integrated a secure one-time checkout system using an industry-standard payment gateway.
- Enabled inventory control and real-time product availability features for streamlined operations.
- Contributed to business digital transformation through end-to-end platform automation. Note: Website currently inactive due to business shutdown.
Platform Developer /Systems Integrator
Pawisca Nigeria
11.2021 - Current
- Architected and developed a full-featured international web platform to support PAWISCA’s mission of creating generational wealth through sustainable farming practices across 30+ African countries.
- Implemented a membership system for women farmers, local coordinators, and national representatives.
- Integrated features for project tracking, training access, resource sharing, donation/funding management, and communication workflows.
- Designed the platform to meet international usability and security standards, including multilingual, and mobile-friendly interfaces.
- Continually maintained and improved the system, which is currently undergoing a major upgrade for scalability and expanded features.
- Helped digitise PAWISCA’s regional operations, making cross-border collaboration seamless and data-driven.
Web Developer / Booking System Specialist
Femdar Cleaning Services (formerly Jisaab.com)
07.2020 - Current
- Designed and implemented a fully automated online booking system for residential and commercial cleaning services at femdar.com.ng.
- Enabled users to schedule cleanings with detailed inputs, including time, location, and service type.
- Integrated the admin-side notification system to alert staff of new bookings instantly via email.
- Applied best practices in UI/UX for user-friendly service selection, and seamless checkout.
- Maintained and upgraded the platform from its early phase as jisaab.com to its rebrand as Femdar.
- Ensured scalability and reliability across all booking and notification workflows.
Lead Software Engineer / Fintech System Architect
Ceridiangroup
08.2019 - Current
- Designed and developed a secure, end-to-end mini banking system, powering Ceridian Group’s operations across web and mobile platforms.
- Implemented core features including: real-time interbank transfers (send/receive from any Nigerian bank), user account creation and virtual account integration, loan applications, approvals, disbursements, and repayments, and multiple savings options: daily, fixed, and target savings.
- Built a secure staff/admin dashboard with role-based access (CEO, manager, finance, etc.). for managing users, transactions, and system settings.
- Integrated multiple third-party financial APIs to ensure regulatory compliance, uptime, and financial reliability.
- Maintained system security, scalability, and data integrity — zero breaches since launch.
- Developed and published a mobile app version to extend platform accessibility.
- Continuously iterating with new features, optimizations, and as business needs evolve.
Other Freelance & Contract Projects
Freelance Projects
05.2012 - Current
- Built and deployed over 20 custom web applications across diverse industries, including entertainment, e-commerce, digital payments, education, and content distribution.
- Notable solutions include: a live-stream music platform (free and paid versions with user subscription control), bulk SMS and email notification systems, payment gateway integration for digital products, admin dashboards with analytics, logs, and user management, and frontend and backend for numerous landing pages, company sites, and online forms.
- Delivered full cycle solutions from requirements gathering, to deployment, and maintenance.
- Prioritised performance, scalability, and secure coding practices.
Education
Higher National Diploma - Software Engineering
Baze University
05-2024
Undergraduate - Political Science
National Open University
01.2024
Certificate - Generative Al
Simplilearn School
01.2024
Diploma - Law
Olabisi Onabanjo University
01.2015
Skills
- Cross-browser compatibility
- MySQL
- Continuous Integration
- Responsive Web Design (HTML, CSS, Javascript)
- RESTful API Development
- Unit testing
- Web Analytics
- Software Development Best Practices
- Web Development, Project Management
- E-commerce Platform Integration
- jQuery
- Bootstrap
- SEO Optimisation
- Front-end development
- API integration
- Full stack development
- User experience design
- Requirements gathering
- Application development
Languages
English (Fluent)
Yoruba (Fluent)
Timeline
Full Stack Developer / EdTech Game System Designer
Ngmastermind
11.2024 - Current
Web Developer & Digital Content Manager
First Digital Press
05.2023 - Current
Full-Stack Developer / Fintech Integration Special
Abidav Solution
02.2022 - Current
Full-Stack Web Developer
Digital Food Village
01.2022 - Current
Platform Developer /Systems Integrator
Pawisca Nigeria
11.2021 - Current
Web Developer / Booking System Specialist
Femdar Cleaning Services (formerly Jisaab.com)
07.2020 - Current
Lead Software Engineer / Fintech System Architect
Ceridiangroup
08.2019 - Current
Other Freelance & Contract Projects
Freelance Projects
05.2012 - Current
Undergraduate - Political Science
National Open University
Certificate - Generative Al
Simplilearn School
Diploma - Law
Olabisi Onabanjo University
Higher National Diploma - Software Engineering
Baze University
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