Adonis Justin

Full-stack software developer with 8+ years of experience designing, building, and deploying production-grade web and mobile applications for clients across Nigeria, the United Kingdom, and the Caribbean. Specialise in Laravel backend development, Flutter cross-platform mobile apps, React frontends, and WordPress solutions. Delivered 13+ end-to-end projects across fintech, agritech, healthcare, legal, and oil & gas sectors, including three live applications on the Apple App Store.

Proven track record of on-time delivery, clean maintainable code, and post-launch support across international client engagements.

Senior Software Developer - Computan - International Remote

(2023-01 - 2025-05)

• Develop and maintain full-stack web solutions for international clients covering Laravel API development, React frontends, and custom WordPress builds within an established agency delivery workflow.
• Lead technical architecture decisions on complex client projects including database schema design, REST API structure, and third-party service integration.
• Collaborate with cross-functional remote teams across multiple time zones, maintaining consistent communication and documentation standards throughout all project phases.
• Review and optimise existing codebases for performance, security vulnerabilities, and long-term maintainability.

WordPress & Flutter Developer - Automatic Inc

(2021-03 - 2022-12)

• Built and deployed three Flutter mobile applications to the Apple App Store and Google Play, managing the full product lifecycle from design review through App Store submission and post-launch support.
• Developed a multi-service mobile platform for the Caribbean market integrating multiple payment processors (Stripe and WiPay), Firebase real-time features, and a multi-vendor marketplace for iOS, Android, and Web from a single Flutter codebase.
• Built a Muslim women's health and wellness app for iOS, achieving first-submission App Store approval through comprehensive privacy documentation, correct permission handling, and offline-first architecture.
• Delivered WordPress and WooCommerce websites for corporate and e-commerce clients using Elementor, Advanced Custom Fields, and custom plugin development.
• Integrated third-party APIs including payment gateways, push notification services, and location-based services into both mobile and web projects.

PHP / WordPress Developer - Webcare Global & Greenhouse Technologies

(2016-01 - 2021-02)

• Designed, built, and maintained 20+ client websites using PHP, WordPress, and WooCommerce for businesses in Nigeria and internationally across multiple industry sectors.
• Developed custom WordPress themes and plugins from scratch, including advanced custom post type architectures and ACF-powered dynamic content systems.
• Implemented server-side security hardening, automated backup systems, and caching optimisations that reduced average page load times by up to 60% across client sites.
• Integrated third-party APIs including payment gateways, CRM platforms, email marketing services, and SMS notification providers into client business workflows.
• Diagnosed and resolved complex WordPress performance issues, plugin conflicts, and security incidents including malware removal and full site restoration.
• Gathered requirements directly from clients, presented technical solutions clearly, and provided post-launch WordPress training and documentation.

Bachelor of Science - Computer Science - INTECH College (2016 - 2019)