Available to hire
I am Jazzy Gasper, an enthusiastic software developer excited about technology and its potential to make positive change in the world. I love thinking outside the box and expressing myself creatively, drawing on a background in graphic design.
With over six years of experience delivering end-to-end projects for global enterprises and emerging startups, I specialise in frontend development with a strong focus on React. I build intuitive, scalable, and accessible digital experiences and enjoy turning complex ideas into polished interfaces.
Skills
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Language
English
Fluent
Work Experience
Senior Frontend Developer at Zuri
June 1, 2025 - PresentShaped and implemented user journeys by collaborating with designers to translate wireframes into responsive, production-ready features. In a fast-paced startup environment, prioritized and delivered core MVP functionality ahead of launch. Implemented login functionality using Supabase and integrated authentication into the frontend. Enhanced interactivity with accessible micro-animations. Refactored codebase into reusable React components to improve maintainability. Defined UX acceptance criteria and conducted testing to validate features against user needs and business requirements, and resolved bugs prior to release.
Freelance Developer at Data Annotation
December 1, 2024 - September 8, 2025Designed coding problems to evaluate AI models and reviewed AI-generated code, ensuring accuracy, best practices, and overall code quality.
Frontend Developer at The LEGO Group
November 1, 2023 - September 8, 2025Collaborated with product managers and designers to conceptualise and build interactive features on LEGO.com for major campaigns (e.g., code breaker game, minifigure customiser, gift finder, Disney castle window creator). Implemented livestreaming via Firework and enabled cart integration during live broadcasts. Migrated codebase from JavaScript to TypeScript; created reusable React components for the component library with Storybook; utilised Contentstack and GraphQL to manage content for 70+ locales. Enhanced accessibility of custom components through keyboard navigation and refined focus styles. Led technical refinement and task breakdown, rotating Scrum facilitation duties.
Software Engineer (Customer Team) at Banked
October 1, 2022 - September 8, 2025Built hosted and embeddable checkout solutions for merchants; migrated from React to web components using the Lit framework to simplify embedding. Drove data-driven optimisations to improve conversion rates; introduced Cypress testing for local and cross-browser checks; expanded test coverage with Docker-based service-level tests across microservices. Maintained and improved the Rails-based merchant console. Created demo applications for sales and investor presentations. Operated in a startup environment, prototyping rapidly and participating in interviews to improve team diversity.
Software Developer at AND Digital
April 1, 2019 - September 8, 2025Delivered frontend work for high-profile clients including Conde Nast (Vogue Fashion Shows) using React, Next.js, Node.js, Jest, Cypress, CircleCI, Docker, Styled Components. Built a Vue.js chatbot for an internal project and contributed frontend for TalkTalk (Angular, Jasmine, Styled Components).
Education
UX Design at BrainStation
April 1, 2025 - June 1, 2025Programming Bootcamp at Makers Academy
February 1, 2016 - May 1, 2016BA(Hons) Graphic Design at Central Saint Martins College
January 1, 2012 - January 1, 2015Qualifications
CSS Course for JavaScript Developers
January 11, 2030 - September 8, 2025Preliminary certificate of Teaching English as a Foreign Language (TEFL)
January 11, 2030 - September 8, 2025Industry Experience
Software & Internet, Media & Entertainment, Professional Services
Skills
Experience Level
Expert
Expert
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