# Mustafizur Rahman Choudhury > Frontend Focus Full Stack Developer | Next.js & React Specialist | UK Visa Sponsorship required for next move | B2B Ready Location: United Kingdom, United Kingdom Profile: https://flows.cv/mustafizur I am a dedicated Software Engineer with two years of hands-on experience specializing in frontend development. My expertise includes working with modern technologies such as React.js, Next.js, and TypeScript, among others. I am passionate about building user-friendly, high-performance web applications and am eager to contribute my skills to a dynamic team. ## Work Experience ### Software Engineer @ WorkPermitCloud Ltd. Jan 2024 – Present | London Build the frontend architecture for Right to Work and sponsor licence dashboards using Next.js, React, TypeScript, TailwindCSS and GraphQL, implementing reusable UI components, form flows and state management with Redux Toolkit/Zustand. Collaborated with backend engineers to design and integrate GraphQL and REST APIs, including query structures, error handling and pagination strategies, resulting in 433% increase in monthly conversions through data‑driven dashboards. Helped generate approximately £1.2M in additional annual revenue through performance and UX improvements. Reduced client onboarding time by 50% by simplifying complex regulatory UI flows. Drove accessibility and performance improvements across key flows (lighthouse audits, ARIA roles, keyboard navigation, semantic HTML), improving accessibility score from 37% to 79% and contributing to a 50% reduction in customer onboarding time. Migrated key frontend features to Next.js and TypeScript, integrating GraphQL for data. Migrated core customer‑facing flows from a legacy React setup to Next.js with TypeScript, introducing dynamic routing, incremental static regeneration and code‑splitting to reduce build times by 40% and page load times by 38%. Worked on consolidating three legacy backend services into a single shared API layer (Node.js/Express + PostgreSQL), adapting the frontend to the new schema, simplifying data fetching and reducing maintenance overhead across three separate websites. Implemented a dynamic document generation feature for legal client handovers and internal compliance, reducing manual document preparation and improving consistency across caseworker workflows. Used GitHub‑based CI/CD pipelines, Docker and AWS (ECS/EC2/Route 53) to ship features to production, monitor issues and iterate with product, design, backend and QA. Supported and maintained Microsoft-based internal tools and admin systems used by compliance and operations teams. ### Frontend Engineer @ QZee Jan 2023 – Jan 2024 | Greater London ### Jr. Software Engineer @ Dorik Jan 2021 – Jan 2022 | Sylhet, Bangladesh Stack - Node.js, MongoDB, Express, GraphQL, React - Develop high-quality, well-tested APIs for production - Built new features and extended existing ones, resulting in improved application performance and user engagement - Analyzed data, processes, and codes to troubleshoot problems and identified areas for improvement, resulting in better overall application performance - Ensured accessibility, usability, and performance of the application, ensuring an optimal user experience for all users - Wrote comprehensive tests for both existing and new code, ensuring that every aspect of the application is thoroughly tested - Produced clear and concise documentation for features and user stories, making it easy for stakeholders to understand and manage the application - Collaborated closely with design and development teams to improve the user experience, resulting in increased engagement and customer satisfaction. These achievements demonstrate my commitment to delivering high-quality work and improving the user experience, while also prioritising accessibility, performance, and comprehensive testing. ### Frontend Web Developer @ Keeno.app Jan 2021 – Jan 2021 | Bangladesh Stack - Vue, HTML, CSS, Tailwind, Bootstrap As a front-end web developer my key role is to determine the structure and design of web pages ensuring user experience determines design choices, developing features to enhance the user experience. I build reusable code for future use, ensure optimised web pages for maximum speed and scalability and utilize a variety of markup languages to write web pages. I also ensure maintaining brand consistency throughout the design. ### President @ Leading University Computer Club Jan 2016 – Jan 2021 | Sylhet, Bangladesh ## Education ### Master of Science - MS in Computer Technology/Computer Systems Technology Northumbria University ### Bachelor of Science - BS in Computer Science Leading University, Sylhet ### Higher Secondary in Science M.C.College, Sylhet ### Blue Bird School & College ## Contact & Social - LinkedIn: https://linkedin.com/in/mustafiz-codes --- Source: https://flows.cv/mustafizur JSON Resume: https://flows.cv/mustafizur/resume.json Last updated: 2026-04-05