The person behind the BulgariTech
Kristiyan Velkov
Founder · BulgariTech & CarBNP | Developer Advocate | Top IT Speaker | Startup Builder | Cursor Ambassador | Docker Captain | Bulgaria IT Ambassador
I'm Kristiyan Velkov — Founder of BulgariTech and CarBNP, Developer Advocate, Top IT Speaker, Startup Builder, Cursor Ambassador, Docker Captain, and Ambassador for Bulgaria IT.
11+ years helping businesses build scalable, secure, and modern web platforms with React.js, Next.js, Angular, Docker, DevOps, and CI/CD.
Open to partnerships, consulting, and collaboration. Let's connect.
4 Tech Books
Published author on front-end & DevOps
Docker Captain
Official Docker community leader
350+ Interviews
Front-end hiring & mentorship
International Speaker
React Advanced, DevOps & security events
- 31K+
- LinkedIn Followers
- 7.2K+
- Medium Subscribers
- 50K+
- Monthly Readers
- 11+
- Years Experience
Published books
4 technical books
Practical guides on React, Docker, TypeScript, and technical interviews — available on my store.

Docker for React.js Developers
$54.99
From Docker basics to production React on AWS — images, Compose, CI/CD, and deployments that actually ship.

Mastering React.js Interviews: For Middle/Senior Developers
$35.00
System design, architecture, and senior-level React topics — built for engineers targeting the next step up.

Mastering React.js Interviews: From 0 to Hero
From $30.00
Core React, JavaScript, and interview fundamentals — a structured path from junior readiness to confident answers.

Mastering TypeScript Core Utility Types
From $30.00
Deep dive into TypeScript’s utility types — practical patterns for safer, more expressive front-end code.
Career history
Chronological path — from founding BulgariTech and CarBNP through Docker Captain, Cursor Ambassador, enterprise leadership, and community work.
- BulgariTech
Bulgaria
Present
Founder & Chief Technology Officer
Present
Technical direction across AI engineering, security, cloud platforms, and hands-on enterprise trainings.
- CarBNP
Bulgaria
Present
CTO & Angel Investor
Present
Bulgaria’s smart parking marketplace — product strategy, platform engineering, and investment in the Book & Park ecosystem.
- Cursor
Remote
Mar 2026 — Present · 4 mos
Cursor Ambassador
Part-timeMar 2026 — Present
Remote
- Sharing practical, real-world use cases for AI-assisted development
- Organizing events and meetups about Cursor
- Helping developers become more productive with AI-assisted coding
- Contributing feedback to improve the developer experience
- Building content around modern workflows with AI tools
- Cursor Bulgaria
Bulgaria
Feb 2026 — Present · 4 mos
Creator · cursorbulgaria.com
Self-employedFeb 2026 — Present
Community hub for Cursor builders in Bulgaria — ambassadors, event recaps, and meetup calendar.
- Docker, Inc
Remote
Feb 2025 — Present · 1 yr 5 mos
Docker Captain
Feb 2025 — Present
Remote
- Advocates for Docker best practices in front-end development
- Creates and maintains production-ready Dockerfiles and CI/CD pipelines
- Mentors developers and speaks at community events and webinars
- Contributes articles, tutorials, and guides to Docker’s ecosystem
- Collaborates with Docker on new features and documentation
- Keeps learning content aligned with the latest React.js versions
- Docker Captain profile
- From the Captain’s Chair — Docker blogFeb 2026
- Docker Captains Conference · IstanbulNov 2025
Docker for React.js Developers
Part-time · AuthorJan 2025 — Present
A practical, hands-on guide for front-end engineers — no more “it works on my machine.” Written by a Docker Captain and author of official Docker sample guides.
Next.js Sample Guide
Part-timeFeb — Mar 2026
Production-ready Docker setup for modern Next.js — foundation for the official Next.js Docker sample in Vercel’s repository.
Production-ready Dockerfiles for front-end frameworks
Dec 2025
Dockerfiles for React, Angular, Vue, Next.js, Remix, TanStack Start, Analog, and Nuxt.
Official Docker language guides
2025
Language-specific guides for containerizing modern front-end and Node.js apps.
- GitNation Foundation
Remote
Jan 2025 — Present · 1 yr 5 mos
Tech speaker
SeasonalJan 2025 — Present
Docker, DevOps, front-end architecture, AI, open source, people management, and security — practical, experience-driven sessions for production teams.
- Security Pitfalls in AI-Generated CodeFeb 2026 · React Advanced
Hidden risks of unreviewed AI-generated code and how to protect apps without slowing delivery.
- DevOps for React Developers: From Code to ProductionNov 2025 · 4h workshop · London
Bridges the gap between React developers and production-ready delivery.
- Docker MCP: Packaging & Deploying AI ToolsOct 2025
Model Context Protocol toolkit, Docker MCP servers, and deploying AI tools with containers.
- React Advanced Conference
- JAKALA
Sofia, Bulgaria
Aug 2023 — Present · 2 yrs 10 mos
JavaScript Domain Knowledge Lead
Full-timeAug 2023 — Present
Global data, AI, and customer experience company — technical leadership across front-end engineering at scale.
- Technical leadership in React, Next.js, Angular, unit testing, security, Git, and accessibility
- Technical interviews, performance reviews, and mentorship
- Scalable front-end architecture, code reviews, and training programs
- Cross-functional collaboration, innovation, and client engagement
- Medium
Remote
Jan 2023 — Present · 3 yrs 5 mos
Tech Blogger
Self-employedJan 2023 — Present
React, Angular, Next.js, TypeScript, leadership, and performance — 20,000+ active readers.
- GfK — An NIQ Company
Sofia, Bulgaria
Feb 2021 — Sep 2023 · 2 yrs 8 mos
Team Lead / Tech Lead — Senior Front-end Developer
Apr 2021 — Sep 2023
Led all front-end developers in the Bulgarian office; global front-end ownership for GfK.
- Hiring, roadmaps, training, and global front-end architecture decisions
- Boilerplates for Angular and React, reusable components, official GfK style library
- CI strategy, Docker and unit-testing workshops, Data In domain applications
Senior Frontend Developer
Feb — Apr 2021
Data IN QC error pool — Angular, Docker pipelines, Kubernetes, Azure, GitLab in Agile/Scrum.
Building secure AI and platform systems at BulgariTech — and training the teams that run them in production.
