16+ years of engineering excellence: from startups to global enterprises
I don't just write code; I build scalable systems that solve complex business problems. With experience as a CTO and Staff Engineer for organizations like Siemens Energy and The International Red Cross, I bring a level of reliability and strategic thinking that goes beyond standard development.
Why i am a unique asset to your project:
- Speed to market: I’ve led teams to improve delivery times by 30% on average;
- Technical authority: Ranked in the top 4% on stack overflow, proving mastery of the modern web stack;
- AI & Blockchain specialist: From carbon tracking for Siemens to AI-powered search for Elephantstock, I implement cutting-edge tech with deterministic results.
Business-minded engineer: My economics degree means I understand your ROI, cost-optimization, and market positioning as well as your codebase.
Proven track record:
- Siemens energy: architected a decentralized blockchain solution for hydrogen and carbon tracking.
- International Red cross: led the development of core mobile modules using react native.
- Collinson group: tech lead for a global rewards system using node.js, graphql, and microservices for a team of 40+;
- Elephantstock: scaled engineering team by 250% and implemented ai-enhanced search systems.
Technical stack:
- Full stack JS/TS: next.js, react, node.js (nestjs, express), graphql, postgresql.
- Architecture & cloud: aws, azure, gcp, docker, kubernetes, terraform, microservices.
- Generative AI: vercel ai sdk, gemini pro, chatgpt, llm, openai api.
- Web3 / blockchain: solidity, hardhat, ether.js, cosmos, polygon, binance smart chain.
I have a decade of experience collaborating with International teams across London, Singapore, and the US, ensuring clear and professional communication.
Testimonial Quote:
"Dimitar won't hesitate to do things 'the right way' - from unit testing to code refactoring" — CTO, GetCraft.
Portfolio: https://ddanailov.dev





