sebtheo

Sebastian Evison-Theodossiades

Incoming Software Engineer @ NatWest

About

Full-stack developer focused on web applications and infrastructure. Starting work at NatWest Group in September 2026. Graduated from the University of Leicester with a First-class honours degree (79.48% overall) in Computer Science. Previously worked as a SWE at the Office for National Statistics.

Work Experience

Projects

Survey Kit

Open-source React survey framework: mobile-first flow, WCAG 2.2 AA, JSON config, TypeScript, form/chat rendering modes, validation, progress and localStorage persistence. Created for my university final year project, received 80.58% overall.

ONS Tech Stack Visualiser

Led MVP development to map ONS repositories, project and dependencies. ECS-hosted app (React/Node.js) deployed with Terraform IaC; used by 100+ staff for project discovery and technology assessment.

Lattara.org

High-scale Twitter & YouTube scraping platform. Requires signup, paid via crypto. Outputs clean JSON for developers, analysts and prediction markets.

ShowsFarm

SaaS platform for solo creators to generate, schedule, and publish TikTok carousels and YouTube Shorts from one dashboard. AI content generation, automated rendering, Stripe subscriptions. Next.js, SQLite, OpenRouter, Python.

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.

LinkedIn Games Solver

An automated system that solves LinkedIn's daily games every morning at 8am. The frontend is built with Vite and deployed on Vercel, while the backend uses Python with Flask RESTX. A Selenium-wire bot, running on a Hetzner VPS, scrapes the answers and updates the solutions each day.

Olbia Pro

A real-time NFT mint monitor surfacing trending collections and runner alerts. Features a Next.js dashboard, Node.js backend, and paid Discord webhook alerts via on-chain payments.

Education

Skills

Languages

JavaScriptTypeScriptPythonJavaHTMLCSSSQLBash Scripting

Frameworks & Libraries

ReactNode.jsExpressNext.jsSpring BootReduxTailwind CSSShadCNMaterial-UIGraphQLPrismaCypressPlaywrightSupabaseFirebaseGeminiGrafana

DevOps & Cloud

GitDockerGCPAWSTerraformCI/CDConcourseServer Management (VPS)Server SecurityNginxApacheDebian

Databases & Other

MySQLPostgreSQLMongoDB

Connect

Feel free to contact me at seb@theo4.uk