Raji Itunu

Frontend and Mobile Developer with hands-on experience building responsive web and cross-platform mobile applications using React.js, React Native, Expo, TypeScript, JavaScript, and Tailwind CSS. Experienced in developing reusable components, role-based interfaces, application navigation, responsive user experiences, and complex business workflows. Strong interest in building practical software products, writing maintainable code, and continuously developing modern software engineering skills.

Mobile App Developer / Sole Frontend Developer - HappStock - Contract / Freelance

(2025-08)

• Own the frontend development of a cross-platform inventory application, working independently across UI implementation, navigation, feature development, and frontend architecture.
• Build reusable React Native and TypeScript components using Expo and NativeWind across core inventory workflows, forming a shared component library used throughout the application.
• Develop interconnected workflows covering businesses, branches, products, SKUs, batches, stock levels, and expiry tracking.
• Implement barcode-based product and stock workflows, reducing reliance on manual product identification during inventory operations.
• Build stock-in workflows connecting batch numbers, expiry dates, cost prices, and selling prices within the inventory process.
• Develop role-based staff management and permission interfaces to support different levels of access within businesses.
• Build dashboard and reporting interfaces that bring together stock summaries, business performance, and profit information.
• Structure application navigation using React Navigation and Expo Router, maintaining consistent navigation across the mobile experience.
• Structure the application's component and screen architecture to remain scalable as new business workflows and modules are added.

Frontend Developer - NewHRM — Employee Management System - Contract / Freelance

(2025-11)

• Contribute to a multi-module HR management platform built with React 19, Vite, and Tailwind CSS, working across core employee and administrative workflows.
• Develop frontend experiences supporting 4 user roles — Admin, HR, Team Lead, and Employee — with protected routes and role-specific access.
• Build interconnected employee, department, grade/level, leave, payroll, appraisal, and HMO workflows spanning multiple application modules.
• Develop payroll interfaces supporting salary modifiers, deductions, PAYE, Pension, ITF, and NSITF requirements.
• Build appraisal workflows covering appraisal cycles, KPI assignment, employee self-assessment, and supervisor reviews.
• Create reusable UI components and data-driven interfaces to maintain consistency across multiple application modules.
• Implement structured data tables for employee and payroll information and develop PDF/Excel export functionality using jsPDF, XLSX, and FileSaver.
• Contribute to frontend routing and state management while collaborating with other developers on the application.
• Collaborate with backend developers and product stakeholders to translate multi-module HR requirements into structured, maintainable frontend architecture.

Frontend Development Trainee - Nerdz Factory - Lagos, Nigeria

(2024-10 - 2025-09)

• Completed an intensive frontend development program focused on modern web development.
• Developed practical skills in HTML, CSS, JavaScript, and React.js.
• Built responsive web interfaces and reusable frontend components.
• Collaborated on project-based development tasks and applied frontend development principles to practical applications.

Software Development Trainee - SAIL Innovation Lab - Lagos, Nigeria

(2024-06 - 2024-08)

• Contributed to frontend development tasks using HTML, CSS, and React.js.
• Built and improved user interface components for development projects.
• Organized project files and supported collaborative project delivery.

Ordinary National Diploma (OND) - Accountancy - Lagos State Polytechnic (2023-06)