/ 02_About_Me

Professional Profile.

Thodoris Doumtsis

I don't just write code, I build solutions that save time and money. From leading the frontend evolution at Book ‘n’ Bloom to scaling infrastructure at Delivery Hero, I have spent 10+ years mastering the art of the Full Stack.

What I bring to the table

  • 01

    Frontend Expertise

    Deep mastery of Angular and React to build intuitive, performance-driven SPAs.

  • 02

    DevOps Mindset

    Proactive infrastructure management using AWS, Docker, and CI/CD to prevent incidents before they happen.

  • 03

    Business Impact

    Proven ability to translate complex requirements into user-friendly tools, like custom CRMs and automated booking systems.

"Recently, I’ve been helping businesses undergo digital transformations by turning manual and paper-heavy workflows into streamlined, automated web applications."

Experience

  • 2024 — PRESENT

    Senior Full Stack Engineer & Agency Partner

    Freelance / White-Label Consultant

    Leading digital transformation initiatives for agency clients, replacing manual workflows with custom web applications. Built high-performance custom CRMs and Booking Systems using Next.js and TypeScript, serving as a seamless technical extension for creative and SEO agencies.

  • 2018 — 2023

    Senior Software Engineer

    Delivery Hero (Berlin)

    Engineered scalable frontend architectures in Angular and React for high-traffic global platforms. Managed cloud infrastructure via AWS, Kubernetes, and Terraform, achieving a 30% reduction in server costs through performance optimization and server-push implementations.

  • 2013 — 2017

    Front End Engineer

    Book ‘n’ Bloom

    Led the company’s migration to Angular and TypeScript. Automated deployment processes and implemented real-time data communication using Node.js and WebSockets to enhance the user booking experience.

  • 2010 — 2013

    Web Developer

    Freelance / Agency Collaborator

    Collaborated with design agencies to build custom digital experiences. Key project included refactoring the European Design platform from Flash to a custom WordPress architecture, ensuring modern web standards and accessibility.

Technical Toolkit

Frontend

  • Next.js & React
  • Angular & RxJS
  • TypeScript
  • Tailwind & SCSS
  • Core Web Vitals

Backend

  • Node.js / NestJS
  • PostgreSQL
  • MongoDB
  • REST & WebSockets

Cloud / Ops

  • AWS / Terraform
  • Kubernetes
  • Docker
  • CI/CD Pipelines

Support

  • Technical Audits
  • White-Label Dev
  • CRM Automation
  • Unit Testing