Yemi Joseph

Expert Full-Stack Web Developer with 6 years of professional experience delivering high-impact digital solutions in the Software & Data sector. Specialist in the React/Next.js ecosystem with advanced proficiency in Supabase backend architecture. Proven leader in managing end-to-end development lifecycles, ensuring top-tier security, and optimizing UI/UX for complex platforms.

Web Development Lead at Decagon Institute (Abuja Branch) (2020-01 – Present)

Directly oversaw a development team to build scalable, data-intensive web applications, maintaining high coding standards and security protocols.

• Directly oversaw a development team to build scalable, data-intensive web applications, maintaining high coding standards and security protocols.
• Architected full-stack systems utilizing Supabase and PostgreSQL, implementing sophisticated RLS policies to manage multi-tier user data access.
• Engineered high-conversion Admin Dashboards with integrated user analytics, automated subscription management, and manual discount override features.
• Revamped frontend components to resolve complex mobile overlap issues, significantly improving user retention and accessibility.
• Spearheaded the migration of production environments to Netlify, achieving 99.9% uptime and 100% verified security compliance.

Senior Web Developer at Freelance / YemTek Solutions (2018-01 – 2020-12)

Consulted for premium clients in Abuja to deliver bespoke full-stack applications tailored for business growth and operational efficiency.

• Consulted for premium clients in Abuja to deliver bespoke full-stack applications tailored for business growth and operational efficiency.
• Successfully launched over 10 production-level web platforms, handling everything from branding and SEO to final deployment and maintenance.

Diploma in Software Engineering – ALX Software Engineering Program

Professional Certificate in IT Support – Coursera