George Oscar Eugene Campbell's CV

Software engineer and director with 5+ years building award winning front-end heavy products for startups and engineering resilient and performant back-end and database integrations.

I overcome problems an LLM and vibe coding can't.

Technical & Soft Skills

I'm seeking to grow into a full-stack or a front-end role with the ability to contribute to back-end.

I have around 10 years work experience with JavaScript and 6 years with TypeScript, but would love the opportunity to write Python and/or Rust.

  • HTML, CSS, JavaScript, TypeScript, Rust, Python, GraphQL, SQL, Pug, EJS

  • Windows, Linux, Ubuntu, Mint, MacOS

  • React.js, Next.js, React Native, Three.js, react-three-fiber

  • Node.js, Express.js, Deno, Bun, Vite, MongoDB, Mongoose, DocumentDB, DynamoDB, Docker, Github Actions, CI/CD

  • UI/UX Design

  • Tailwindcss, (framer) motion, WebAPIs, Accessibility, Bevy

  • Websockets, Socket.IO

  • Cyber Security

  • AWS (A wide range of experience with these services), Azure (only with TTS)

  • Bash scripting, Terminal, Powershell, CLIs, Command Prompt

  • Mocha, Jest, Bun, React Testing Framework, Cypress.js, Puppeteer, Playwright

  • Locize, i18n + l10n

  • NGINX

  • Spanish

  • Perseverance, Autonomy, Friendliness, Enthusiasm, Communication, Leadership, Empathy, Directness

Work History

Director + Software Engineer

MASSLESS LTD.
Freelancing since 2016. Founded MASSLESS LTD in May 2021.
Remote, UK

Managed and communicated professionally with 30+ start-ups and individual clients to deliver bespoke websites, web-apps and mobile apps (2016-2026).

Architected and implemented cloud synchronization for a recent client using AWS Amplify (backend) and DynamoDB (database) with a React + Context API codebase. Integrated generative AI for automatic cyber security threat modeling utilising Vercel AI SDK - Threat Weaver (2025/26).

Sole engineer from conception to launch of a bespoke 3D browser game containing an interactive, collidable environment - communicated with stakeholders and 3D digital artists - Stamp Quest Offshore (2024/25).

Built campbellgoe/header_checker on GitHub - an open source Rust CLI application for determining missing or insecure HTTP headers as a cyber security tool (2024).

Solo engineer for initial development of an award-winning portfolio website for Kirk Whayman, which secured 5+ SOTD (Site of the Day) awards on awwwards.com (2020).

Worked closely with a client to build an offline capable Mind Mapping web-app in vanilla HTML, ES2015 JavaScript, and CSS, utilising DOM and 2d canvas. This included saving and loading of JSON.

MASSLESS LTD
Break the box

Software Engineer

DRPG
October 2020 to August 2022 (1 year 11 months)
Remote

Optimized a performance-critical 3D web application (Winter Wonderland), increasing smartphone FPS from 2-3 to 30-60, and implemented a performant falling snow effect.

Developed the Jaguar C-Type customizer tool, which directly resulted in customer leads for Jaguar.

Drove development on a 3D virtual events and conferencing web-app, implementing video projections onto 3D surfaces for an immersive experience.

Communicated professionally with colleagues and engaged in daily standups, sprint retrospectives, and monthly meetings as well as virtual events during the pandemic.

DRPG Logo

Frontend Developer

Zengenti Ltd.
April 2019 - April 2020 (1 year)
In house - Ludlow countryside

Worked in a cross-functional team (engineers and UI/UX designers) to deliver 6+ websites for UK councils and universities.

Ensured UI accessibility and WCAG compliance for screen-readers and color-blindness considerations.

Informally mentored a junior developer, proactively resolving technical challenges to increase their independence.

Zengenti Ltd. Logo

Programmer

Express KCS
June 2018 - April 2019 (11 months)
In house - Milton Keynes countryside

Worked in-house mainly in React & Node.js to develop a media pipeline SaaS application.

Implemented a modular i18n (internationalization) solution into the React codebase, utilizing Locize for translator workflow.

Wrote extensive Mocha tests to ensure code quality and stability.

Gained experience working in a small team, utilizing JIRA and Git for daily development.

Express KCS Logo
Education

Herefordshire, Ludlow and North Shropshire College (HLNSC), UK

Studying Computing & Cyber Security

North Lindsey College

Level 2 Certificate in Understanding Mental Health First Aid & Mental Health Advocacy in the Workplace

University of Portsmouth (UoP), UK

Diploma of Higher Education. Human Geography.

Hereford Sixthform College, UK

A Levels: English Language, Computing, Geography, General Studies.

Notable GCSEs: Maths, English, Business Studies, Geography, and History

Hobbies & About Me
Wall climbing & bouldering
Visiting museums, castles & aquariums
Swimming, walking & bicycling
Badminton, table tennis & ping pong
Cooking tasty & healthy meals
Gaming (Counter Strike, TrackMania, GTA, Don't Starve, DayZ)
Creative and business side projects
Learning languages such as Spanish and Russian

Let's Work Together

Interested in collaborating? I'm always open to discussing new opportunities and exciting projects. Feel free to reach out!