10/18/2026 updated
100 % available
Senior Backend Engineer | Full-Stack Developer | DevOps | Applied AI & Cloud
Prague, Czech Republic
Only remote
Gymnazium Karla Sladkovskeho, Prague - mathematics & physics class (1994-1998)About me
Senior Software Engineer with 20+ years of experience in backend development, APIs, databases, and integrations. Skilled in full-stack development, DevOps, cloud infrastructure, and applied AI. Experienced in legacy modernization and end-to-end delivery. Available immediately for B2B projects.
Bash ShellDevOpsDjangoMake (Software)Python (Programming Language)PostgreSQLNode.jsNext.jsSymfonyTypeScriptGoogle CloudReact.jsFlaskVue.jsBackend
Backend Development (PHP, Python, Node.js)
Over 20 years of hands-on backend engineering experience with TypeScript, Node.js (Next.js, Nuxt, Vue), Python (Django, FastAPI, Flask), and PHP (Symfony, Drupal). Senior-level delivery across complex, production-grade systems.
DevOps & Infrastructure Engineering
Deep expertise in Docker, Kubernetes, GCP, AWS, Nginx, CI/CD pipelines via GitHub Actions, Helm/Argo, and Make-first monorepo setups. Author of devops-tools, a private scaffolding platform with 38+ versioned skeletons and 260+ fragments.
Applied AI Engineering
Practical experience building multi-provider LLM facades (Together, OpenAI, Gemini), tool-calling agents, Style Buffer RAG with pgvector, Whisper STT integration, HITL grounding, and governance layers including privilege-ladder prompts and token/cost caps.
Full-Stack Development (Next.js, Nuxt, Vue, React)
Mid-to-senior level full-stack engineering with Next.js, Nuxt, Vue, and React, including HTML5/CSS and modern JS/TS tooling for production SaaS and enterprise applications.
Database & Data Layer
Extensive experience with PostgreSQL (including pgvector), MySQL/MariaDB, Redis, ElasticSearch, and Solr across a wide range of application types including aviation, e-commerce, and SaaS platforms.
Developer Experience (DevEx) Platform
Creator of project-keeper, a Node CLI tool for managing monorepos via .devops-layer.yml, assembling Makefile, Compose, GitHub Actions, local proxy/SSL, package QA, and monitoring endpoints.
Third-Party & API Integrations
Broad integration experience with REST, webhooks, message queues (MSMQ), aviation APIs (weather, IATA, flight planning), payment systems (Stripe), CPaaS (Telnyx, Twilio), mail/calendar, and Open API/MCP.
Quality Assurance & Testing
Proficiency with Git, Playwright, Vitest, Jest, PHPUnit, phpstan, and phpcs for automated testing, static analysis, and deployment supervision.
SaaS Product Engineering
Founder and sole engineer of Atly, a production SaaS platform built with Next.js 16, TypeScript, React, Node.js, Prisma/PostgreSQL, multi-provider mail/calendar, RBAC, Stripe billing, and GCP Cloud Run.
Over 20 years of hands-on backend engineering experience with TypeScript, Node.js (Next.js, Nuxt, Vue), Python (Django, FastAPI, Flask), and PHP (Symfony, Drupal). Senior-level delivery across complex, production-grade systems.
DevOps & Infrastructure Engineering
Deep expertise in Docker, Kubernetes, GCP, AWS, Nginx, CI/CD pipelines via GitHub Actions, Helm/Argo, and Make-first monorepo setups. Author of devops-tools, a private scaffolding platform with 38+ versioned skeletons and 260+ fragments.
Applied AI Engineering
Practical experience building multi-provider LLM facades (Together, OpenAI, Gemini), tool-calling agents, Style Buffer RAG with pgvector, Whisper STT integration, HITL grounding, and governance layers including privilege-ladder prompts and token/cost caps.
Full-Stack Development (Next.js, Nuxt, Vue, React)
Mid-to-senior level full-stack engineering with Next.js, Nuxt, Vue, and React, including HTML5/CSS and modern JS/TS tooling for production SaaS and enterprise applications.
Database & Data Layer
Extensive experience with PostgreSQL (including pgvector), MySQL/MariaDB, Redis, ElasticSearch, and Solr across a wide range of application types including aviation, e-commerce, and SaaS platforms.
Developer Experience (DevEx) Platform
Creator of project-keeper, a Node CLI tool for managing monorepos via .devops-layer.yml, assembling Makefile, Compose, GitHub Actions, local proxy/SSL, package QA, and monitoring endpoints.
Third-Party & API Integrations
Broad integration experience with REST, webhooks, message queues (MSMQ), aviation APIs (weather, IATA, flight planning), payment systems (Stripe), CPaaS (Telnyx, Twilio), mail/calendar, and Open API/MCP.
Quality Assurance & Testing
Proficiency with Git, Playwright, Vitest, Jest, PHPUnit, phpstan, and phpcs for automated testing, static analysis, and deployment supervision.
SaaS Product Engineering
Founder and sole engineer of Atly, a production SaaS platform built with Next.js 16, TypeScript, React, Node.js, Prisma/PostgreSQL, multi-provider mail/calendar, RBAC, Stripe billing, and GCP Cloud Run.
Experience
Professional experience10+ years
Freelancer since2026
Languages
EnglishBasic knowledgeCzechNative speaker
Project history
Building and operating Atly, a production SaaS platform connecting company number, email, calendar and customer communication in one workspace. Stack: Next.js 16, TypeScript, React, Node.js, Prisma/PostgreSQL with pgvector, multi-provider mail/calendar, RBAC, Stripe billing, GCP Cloud Run and Cloud SQL. Applied AI: multi-provider LLM facade, tool-calling agents, Style Buffer RAG, Whisper STT, HITL governance with token/cost caps.
Large DevOps migration from classic web hosting to Kubernetes, CI/CD pipelines and delivery automation. AI model integrations in real delivery work. Hands-on programming across Django, FastAPI, Symfony, Drupal, Next.js, Nuxt and Vue. Main application work: DHL WMP, Milkulas web with AI, GroupM CRM, Leontinka AR.
Senior developer on XIXOIO and Cesky levou zadni projects.