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Iyanuoluwa
Atijosan

Senior React Developer with 4+ years of experience building scalable, high-performance web applications using React, Next.js, TypeScript, and modern state management tools. I specialize in crafting clean, maintainable UI architectures, collaborating closely with product and backend teams, and delivering production-ready features for SaaS platforms. Experienced in Redux, RTK Query, testing (Jest & E2E), and performance optimization, with a strong focus on user experience, code quality, and long-term maintainability.
Senior React Developer | React & Next.js Specialist | iyanu1396@gmail.com | linkedin.com/in/atijosan-iyanuoluwa-827049246 | github.com/Iyanu1396

Work Experience

Hackmamba

Jul 2025 - Current
Product Engineer - Remote (Norway)
  • Built and optimized React-based UI features for BOKI, a content management platform used by 300+ active users
  • Developed a notification system using modern React patterns, improving user engagement and workflow efficiency
  • Collaborated cross-functionally with designers and backend engineers in an agile, remote environment
  • Improved application performance and SEO, increasing content visibility and load efficiency
  • Wrote end-to-end tests to ensure application stability and prevent regressions

Twosvn Agency

Dec 2024
Lead Engineer - Remote (London ,UK)
  • Developed and maintained a high-performance React & Next.js SaaS application for accounts receivable management
  • Integrated QuickBooks APIs and third-party services using secure, scalable architecture
  • Built reusable UI components and improved state management workflows
  • Refactored legacy codebases to improve maintainability, performance, and developer experience
  • Worked closely with UK-based stakeholders across time zones, contributing to sprint planning and delivery

Medilog

Sep 2024 - Nov 2024
Frontend Engineer - Remote (Lagos Nigeria)
  • Built React dashboards for a medical web application using Tailwind CSS, delivering clean, scalable, and maintainable UI components for healthcare professionals
  • Designed fully responsive and accessible interfaces with Tailwind’s utility-first approach, ensuring consistent experiences across mobile, tablet, and desktop devices
  • Improved UI consistency and usability by implementing reusable, component-based designs styled with Tailwind CSS and modern React patterns
  • Collaborated closely with backend engineers to deliver end-to-end features, integrating APIs seamlessly into Tailwind-styled React components

Rubies Undies

Mar 2023 - Jun 2023
Web Developer - Contract
  • Developed a fully functional e-commerce website for a clothing brand , enhancing brand visibility and online sales capabilities.
  • Crafted a visually engaging, brand-consistent design with a smooth and intuitive user experience.
  • Integrated secure payment gateways using Flutterwave and streamlined checkout processes, resulting in an efficient and user-friendly shopping experience.
  • Optimized website performance by implementing caching, image compression, and other speed-enhancing techniques, improving load times and customer satisfaction.
  • Implemented responsive design to ensure optimal functionality across devices, increasing mobile traffic engagement and conversions.
  • Configured and managed product catalogues, handling variations, categories, and inventory for an organized and user-friendly product display.
  • Utilized SEO best practices and integrated Google Analytics to boost search engine rankings and provide insightful user behavior metrics

Skills & Tools

  • JavaScript (ES6+), TypeScript
  • React, Next.js
  • Redux, RTK Query
  • Tailwind CSS
  • Styled Components
  • CSS3
  • Jest
  • End-to-End Testing (Playwright / Cypress)
  • REST APIs
  • Node.js, Express.js
  • MongoDB, Mongoose
  • Git & GitHub
  • Figma
  • Vercel

Languages

English
Fluent
Yoruba
Fluent

Education

Abraham Adesanya Polytecnic

Dec 2023 - Aug 2025
ND (Computer Science)