Olukayode Azeez

Frontend Developer at centelHR (2025-02 – Present)

Developed payroll processing workflow, enabling HR teams to make employee payments, calculate salaries, deductions (PAYE, pensions), and allowances in seconds, reducing manual errors by 40%.
Engineered a self service portal with secure role based access, allowing HR teams to onboard employees, enroll employees for training, evaluate employees, and process reimbursements 50% faster.
Developed a React Native employee self-service portal for critical document access (payslips, salary advance, attendance clocking etc), reducing HR ticket volume by 30%.
Engineered a React Native mobile app featuring secure financial transactions (money transfers, airtime and data purchase) and a self-service reimbursement system.
Collaborated with backend teams to synchronize payroll data across web and mobile platforms, ensuring consistency during monthly payroll runs.
Developed an attendance tracking and leave management feature with role based admin portals for team leads to oversee schedules and approvals.

Frontend Developer at Emisri (2024-08 – Present)

Designed and developed the complete frontend architecture for a cutting-edge SMS and Email bulk messaging.
Seamlessly integrated APIs to enable message personalization, URL shortening, and streamlined customer communication workflows.
Focused on frontend performance optimization, achieving significant load time reductions and maintaining scalability.
Collaborated with backend teams to ensure reliable data handling and minimize integration challenges.

Frontend Developer at Tikket (2025-10 – 2025-12)

Developed and maintained a React - TypeScript event management dashboard with Redux and React Query, delivering a seamless ticket purchase experience and improving app responsiveness by 40%.
Implemented reusable UI components and optimized API data handling for faster load times, reducing redundant network requests and boosting frontend performance.
Collaborated with backend and design teams to ensure a consistent, accessible, and mobile responsive user interface, increasing overall user satisfaction and events ticket purchase.

Frontend Developer at 1st Mandate (2024-01 – 2024-07)

Developed a comprehensive property management web app using React.js that served 3 user types (landlords, managers, tenants) with role specific interfaces
Coordinated with backend teams for seamless API integration and data handling decreasing integration issues.
Focused on performance optimization, achieving a 35% faster load time.
Engaged in collaborative problem solving and feature brainstorming, enhancing feature delivery speed by 15%.

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