About Razvan Puscasu
Razvan Puscasu is a Product Engineer based in London, UK, with 8+ years of experience
building secure, scalable products. He specialises in frontend development with React
and TypeScript, and is a product-first developer who blends complex engineering with
intuitive design. He thinks about why a feature matters, how users interact with it, and
how to ship it better. Razvan is available for remote work and is currently a Product
Engineer at Aker Systems.
Work Experience
Product Engineer at Aker Systems
May 2025 – Present. London, UK.
Builds secure-environment React applications within highly secure environments.
Architects and maintains a comprehensive multi-thematic design system to accelerate
development cycles and ensure visual consistency across all product lines. Ships
AI-powered features and automated workflows to enhance user efficiency and deliver
intelligent data-driven insights. Technologies: React, Design Systems, Zustand, Tauri,
Electron, EmotionJS, Claude Code.
Frontend Engineer at Seenit
April 2020 – May 2025. Remote.
Led features in frontend development for Seenit's next-gen video editing platform as
part of a 3-person team, contributing to a 50% increase in platform engagement
year-over-year. Built scalable UI components with React and Atomic Design, reducing
frontend development time by 30%. Developed an AI-powered in-house editor using Adobe
Express assets. Integrated GraphQL APIs, leading to a 35% decrease in API call
overhead. Resolved 100+ production issues with under 24-hour turnaround, ensuring
99.9% platform uptime. Technologies: React, TypeScript, GraphQL, AI/ML, Video Editing.
Frontend Engineer at Vodafone UK
September 2018 – April 2020. London, UK.
Helped develop Vodafone UK's new checkout system as part of a 6-person frontend team,
contributing to a 25% increase in checkout conversion rates post-launch. Built
scalable, consistent UI components using React and Atomic Design. Boosted app
performance by optimising critical rendering paths and reducing bundle size by 35%,
improving page load time by 1.8 seconds. Collaborated in Agile squads with product and
design teams. Technologies: React, Atomic Design, CI/CD, Agile, Performance.
Junior Frontend Developer (Intern) at BitBee Ltd
Mar 2018 – Sep 2018. United Kingdom.
Collaborated with cross-functional teams to design and optimise high-converting
landing pages, resulting in a 20% improvement in user engagement. Conducted
performance audits and implemented front-end optimisations, reducing page load times
by up to 40% using tools like Lighthouse. Applied UX best practices to improve user
flows and interface responsiveness. Technologies: HTML, CSS, JavaScript, Lighthouse,
UX.
Skills and Technologies
- React, TypeScript, JavaScript, Next.js, Node.js
- HTML5, CSS3, Tailwind CSS, EmotionJS
- GraphQL, REST APIs, Zustand, Framer Motion (Motion), GSAP
- Vite, Storybook, Tauri, Electron
- Design Systems, UI/UX Engineering, Atomic Design
- Web Performance Optimisation, Web Accessibility (WCAG)
- AI Integration, Claude Code, GitHub Copilot, Cursor