Adeyiga Abdul-Azeez

Frontend Engineer with 6+ years of experience building scalable fintech, SaaS, e-commerce, and mobile products across startups and growth-stage companies in Nigeria and the United Kingdom. Specialized in React, Next.js, TypeScript, frontend architecture, and performance optimization with proven experience leading engineering initiatives from MVP stage to production scale.

Lead Frontend Engineer - BillSpot Technology

(2024-03)

• Led frontend engineering across dashboards, mobile applications, and customer-facing web platforms for a growing fintech ecosystem.
• Architected scalable frontend systems optimized for high-volume B2B financial operations.
• Improved engineering consistency through reusable component systems, code reviews, and testing strategies.
• Collaborated directly with founders and backend engineers to accelerate feature delivery and improve product reliability.

Frontend Engineer - Earnr

(2022-03 - 2024-02)

• Spearheaded development of 10+ tax calculators, contributing to a 30% reduction in onboarding drop-off.
• Led mobile-focused initiatives that increased user engagement by 25% within 3 months.
• Optimized GraphQL data flow architecture, reducing redundant API calls and improving application performance.
• Collaborated with product managers and tax specialists to rapidly ship customer-focused features.

Frontend Developer - Aorthar

(2020-03 - 2022-03)

• Delivered scalable frontend systems across EdTech, FinTech, and Crypto products, improving delivery speed by 30%.
• Built a fintech MVP that contributed to securing $150,000 in seed funding.
• Streamlined deployment workflows using CI/CD tooling, reducing release friction and post-deployment issues.
• Mentored junior developers and improved frontend code quality standards across teams.

Frontend Developer - NewHomes.ng

(2019-08 - 2020-03)

• Built high-converting property and e-commerce pages that contributed to a 20% increase in user engagement.
• Designed and implemented a mortgage calculator that reduced bounce rates by 15%.
• Developed reusable React component systems that improved UI consistency and delivery speed.
• Led maintenance efforts that contributed to 99% platform uptime.

Freelance Web Developer - StarkLabs

(2018-01 - 2019-08)

• Built responsive web applications and landing pages for startups and small businesses.
• Delivered frontend and full-stack solutions independently from concept to deployment.
• Improved usability, responsiveness, and customer-facing experiences across multiple client projects.

B.Eng. - Electrical & Electronics Engineering - University of Ilorin (2021)