
Sebastian Evison-Theo
Software Engineer

Sebastian Evison-Theo
Software Engineer
Full-stack developer focused on web applications and infrastructure. Currently working at the Office for National Statistics on web applications built in React, Node, Python and Terraform.
This website is built in Next.js and is optimised for web accessibility and SEO.
Work
Office for National Statistics
Software Engineer | Sept. 2024 - Present
Created MVP React/Node application with supporting service in Python and infrastructure in Terraform deployed on AWS.
Projects
Click on a project title to learn more.
ScanSave.In
1st place winner of the IBM x LeicesterCS Hackathon 2025. AI-powered app to track diet and spending by scanning barcodes. Next.js, Supabase, GeminiAI.
Bumpy.Pro
Depop bot automation tool to increase sales. Chrome extension (HTML and JS) and a web app (Next.js and MongoDB).
Voting Platform
Paid work creating a custom hub for NFT holders to participate in project decisions. Next.js, PostgreSQL.
Linkedin Games Solver
Small 24hr app created to solve the LinkedIn games everyday at 8am. Frontend in Vite and deployed on Vercel, backend made in Python Flask RESTX and the bot created with Selenium-wire to scrape answers daily both on Hetzner VPS.
PlanBot
Participated in the Government Digital Service's x i.AI hackathon in Leeds. Within 24hrs we built a chatbot with ShadCN and Gemini to aid planning consultations and clients.
Education
University of Leicester
BSc Computer Science | Oct. 2022 - Present
Achieved 1st (76%) in 2nd Year. Currently on placement at ONS.
Cardiff High School
A-Levels | Sept. 2020 - July 2022
Computer Science (A), Maths (B), Physics (B)