Personal details
John D.
Summary
Hey guys,
I'm John: I've been a lead and senior full stack, front end, and back end, web and mobile app developer for 11+ years now. Specialising in React, React Native, NextJS, NestJS, and everything else that makes the web just a little more friendly and beautiful. Significant experience with AI and LLM APIs, big data, realtime chat, streaming video, geo and mapping APIs, and beyond.
I have outstanding cross sector experience delivering aesthetic, interactive, responsive, beautiful, stable, scaleable, powerful mobile and web apps for some of the world's most famous brands including Samsung, News Corp, Publicis Sapient, The Sun, Mullen Lowe, Diageo, BBC, Headspace, Fitness First, T-Mobile, Harley Davidson, the UK MoD, a 2000s era campaign for President of the United States, and numerous startups, where I've led my team to develop MVPs used successfully to raise funding rounds.
2x YunoJuno Freelancer Award nominee. 5* Rating on CodeMentor from 73+ bookings, Multiple LinkedIn recommendations from peers, managers, VC partners, and more. If you want guaranteed world class UX and top notch full stack development to see your vision come to life, then we should definitely link up.
Best,
John
Work Experience
Senior engineer at AI startup, reporting to board. – initially full time team engineering team lead role, then transitioned to part-time consulting last 6 months.
- Implemented end to end functionality including/ web spider, AI page processing, user authentication and community features (voting, commenting, etc), OpenAI and other model integration, natural language processing, web and mobile interfaces, numerous API integrations.
- Wrote prototype used to raise seed round.
- Demoable on request.
Technologies React, React Native, TailwindCSS, Nest.JS, TypeScript, MongoDB, OpenAI GPT, Google Authentication, GitLab CI, AWS, Azure
Senior contract engineer at government contractor with clients including MoD, Military, etc - Temporary contract booking while Telicent recruited permanent team lead. Refs available.
- Implemented numerous features for systems used by MoD and other gov clients
- Implemented Ontology app graph builder using D3, react-flow, and other components
- Improved search functionality using elastic search, etc.
- Implemented end to end and unit tests for multiple projects