Razvan Puscasu - Product Engineer in London

Product Engineer / Frontend Engineer at Aker Systems

May 2025 – Present. Remote.

Building the frontend of an AI-integrated data enablement platform in React 19, TypeScript and Vite with the React Compiler, TanStack Query, Zustand - including node-graph views on @xyflow/react for visual cloud configuration workflows. Built an AI-assisted visual editor for cloud configuration (Terragrunt/Terraform): a node-graph canvas with YAML round-tripping where the AI assistant walks users step by step through building data products. Delivered working Next.js prototypes (App Router, server components) to pressure-test frameworks and drive architecture decisions. Contributing to a shared component library documented in Storybook with Chromatic visual regression, Playwright end-to-end suites with axe-core accessibility checks, and Vitest unit tests. Working directly with clients and stakeholders to understand requirements, troubleshoot complex issues, and shape practical product solutions. Technologies: React 19, TypeScript, Vite, React Compiler, TanStack Query, Zustand, @xyflow/react, Next.js, Storybook, Chromatic, Playwright, axe-core, Vitest.

Frontend Engineer at Seenit

April 2020 – May 2025. London (Remote).

Owned the frontend and shipped full-stack building an employee-generated video platform - React on the front, Node.js microservices behind it - covering video editing, content creation, asset management, publishing, hosting and embedding. Shipped AI-powered workflows through Adobe Express integrations - automated editing, text generation and image asset creation - giving enterprise teams AI-driven content creation capabilities. Ran customer-facing investigations into production issues: reproduced problems, kept non-technical users informed in plain language, and turned findings into fixes and product improvements. Drove UI consistency and delivery speed with a reusable React component library built on Atomic Design principles. Technologies: React, Node.js, TypeScript, GraphQL, Atomic Design, AI Workflows.

Frontend Engineer at Vodafone UK

September 2018 – April 2020. London (Hybrid).

Built features on Vodafone UK’s customer checkout - the purchasing journey on a high-traffic enterprise site where reliability and accessibility were hard requirements. Developed reusable React components on Atomic Design principles, shipping production features alongside design, backend, QA and product. Improved load performance through bundle optimisation, asset management and targeted investigation of slow-loading journeys. Technologies: React, Atomic Design, Performance, Accessibility.

Junior Frontend Developer (Intern) at Bitbee Ltd

Mar 2018 – Sep 2018. London (Remote).

Supported the development and optimisation of responsive websites and landing pages for digital campaigns and customer acquisition initiatives. Implemented frontend improvements using HTML, CSS, and JavaScript, focusing on responsive layouts, browser compatibility, and maintainable code. Applied UX and conversion-focused principles to improve page structure, navigation, calls to action, and engagement. Conducted Lighthouse audits to identify performance, accessibility, and best-practice issues. Technologies: HTML, CSS, JavaScript, Lighthouse, UX.

Portfolio (Live)

This site: personal portfolio with 100/100 Accessibility, Best Practices, and SEO scores, a dark HUD aesthetic with smooth motion design. Technologies: React 19, TypeScript, Vite, GSAP, Three.js, Tailwind CSS, Vercel.

Datalizer (Private)

CSV-to-trusted-analytics workspace with provenance on every chart. Cross-platform - web, mobile, native desktop. Multi-tenant architecture with auth, on a real-time Convex backend. Technologies: React, TypeScript, Vite, Convex, Capacitor, Tauri, Tailwind CSS.

Nesty Makey (Cross-Platform)

Universal app running on all platforms - web, iOS, Android, macOS, Windows, Linux. Solo-built end to end: auth, row-level security, multi-tenancy, real-time features. Technologies: Expo, React Native, TypeScript, Supabase, PostgreSQL, Row-Level Security, Tauri, Capacitor, EAS Build.