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Portrait of Filip Stoyanov

About

Front-end&full-stackengineerbuildingfast,fluid,animation-richwebexperiences.

  • 6+ years shipping production platforms
  • React · TypeScript · Next.js
  • Currently at Input Output

01The short version

ForoversixyearsI'vebuiltproductionwebplatformswithReact,TypeScriptandNext.js,andownedthemendtoend:architecture,CMSdesign,deployment,launchandthelongtailofmaintenanceafterit.Icareaboutinterfacesthatfeelfastandalive,andaboutsystemsthatstayeasytochangewhentherequirementsdo.

02The journey

2015

2015 — 2019

2015

2015 — 2019

MEng Computer Science

University of Southampton

Four years of computer science, specialising in advanced programming, cryptography and databases, with plenty of team projects run the Agile way.

2017

Summer 2017

Semantic Web Development Intern

University of Southampton · SOCIAM

Contributed to Solid, the decentralised web platform led by Sir Tim Berners-Lee, designing and building back-end services in Scala.

2019

2019 — 2022

Product Developer

AND Digital

Delivered front-end and full-stack products with React, React Native and TypeScript, backed by Java/Spring Boot, PHP, MySQL and MongoDB.

  • Designed responsive interfaces, back-end integrations and both relational and non-relational data models
  • Set up SEO and analytics tracking with Google Analytics and Tag Manager
  • Kept quality high with Jest and JUnit test suites

2022

2022 — Present

Full Stack Engineer

Input Output (IOHK)

Owning production web platforms end to end in React, TypeScript and Next.js, from architecture through to deployment and long-term maintenance.

  • Architected CMS-driven platforms on Sanity with reusable, block-based content models
  • Built interactive experiences with WebGL, GSAP, Rive and Framer Motion
  • Set up SEO, testing and CI/CD with Lighthouse, Playwright, Cucumber, GitHub Actions and Vercel
  • Use AI-assisted workflows (Claude, GitHub Copilot, Lovable, ChatGPT) to prototype, test and debug faster

03Toolkit

Front-end

01
  • React
  • Next.js
  • TypeScript
  • JavaScript
  • Gatsby
  • Svelte
  • React Native

Motion

02
  • Framer Motion
  • WebGL
  • Rive
  • GSAP

Styling

03
  • Tailwind CSS
  • Sass
  • Styled-components

CMS & back-end

04
  • Sanity
  • MongoDB
  • MySQL
  • Node.js
  • REST APIs
  • Java / Spring Boot

Testing

05
  • Lighthouse
  • Playwright
  • Jest
  • Cucumber
  • JUnit

Delivery

06
  • GitHub Actions
  • Vercel
  • Netlify
  • Google Analytics
  • Tag Manager
  • PostHog

04How I work

01

End-to-end ownership

From architecture and implementation through to launch, and the maintenance and improvement that comes after.

02

Built to scale with content

Reusable, block-based CMS architectures that let teams build new pages without waiting on a developer.

03

Fast, fluid and accessible

Performance and accessibility first, then motion that adds meaning instead of noise.

04

Calm under deadlines

Years of Agile delivery on tight timelines and shifting requirements: prioritising, communicating and shipping.

05Contact

Let's build something.

Want to work together ? Drop me a line.