Senior Full-Stack Engineer with 9+ years of experience building and owning scalable web systems in healthcare and fintech/Web3 domains.
Designs backend architectures, leads system-level initiatives, and delivers production-ready platforms from concept to deployment. Strong focus on reliability, data integrity, performance, and long-term maintainability.
Builds systems that solve real operational problems for hospitals, product teams, and Web3 platforms.
Experience
Apify — Senior Software Engineer
Prague / Remote | January 2026 – Present · apify.com
Scope & Ownership
- Developed and maintained open-source packages: Crawlee (web scraping & browser automation framework) and apify-cli (Actor management CLI).
- Shipped features, fixes, and refactors across the full development lifecycle — design, implementation, testing, docs, and release.
- Improved framework internals: data access patterns, logging architecture, and async performance.
- Extended CLI capabilities with new commands, configuration options, and developer workflows.
- Established and expanded E2E test coverage and CI/CD pipelines.
- Applied agentic development workflows — leveraging AI coding tools to accelerate delivery and maintain quality across open-source contributions.
Business Context
- Crawlee and apify-cli are the core open-source developer tools of the Apify platform, used by tens of thousands of developers for web scraping and automation.
Results
- Reduced memory pressure on large dataset operations via lazy async iteration.
- Expanded CLI feature surface enabling new Actor deployment and management workflows.
- Improved framework modularity and logging flexibility for downstream users.
Galeon — Senior Software Engineer
Atlantis — Greenfield Web3-Enabled Healthcare Platform
Annecy / Remote | April 2023 – December 2025 · atlantis.galeon.care
Scope & Ownership
- Designed backend architecture and API contracts from scratch.
- Implemented REST APIs with end-to-end type safety (Next.js frontend).
- Integrated Stripe payments, Strapi CMS, Fireblocks, and KYC/email/SMS services.
- Established validation, logging, and deployment workflows for production readiness.
Business Context
- Greenfield healthcare platform combining Web3 components with payment infrastructure.
Results
- Delivered production-ready backend foundation from architecture to deployment.
- Enabled secure payments and external service integrations.
- Created scalable system prepared for product expansion.
Electronic Health Record (EHR) System for Hospitals
Annecy / Remote | April 2023 – December 2025 · galeon.care
Scope & Ownership
- Designed and maintained Node.js microservices (Express/Fastify).
- Owned REST APIs integrating hospital workflows and third-party systems.
- Modeled and optimized data in MongoDB and PostgreSQL.
- Implemented asynchronous workflows using RabbitMQ and background processing.
- Refactored legacy services to improve modularity, observability, and reliability.
- Managed Dockerized deployments and production monitoring.
Business Context
- Hospital-grade system requiring high availability, consistency, and long-term maintainability.
Results
- Improved service modularity and reduced operational complexity.
- Increased production stability through observability and structured logging.
- Strengthened backend architecture for long-term scalability.
Sudolabs — Software Engineer
Košice / Remote | May 2022 – April 2023 · sudolabs.com
Scope & Ownership
- Built full-stack production applications using Next.js and Node.js.
- Designed REST APIs and database models.
- Led backend delivery for a Web3-focused product.
- Contributed to architectural decisions and cross-project standards.
Business Context
- Full-stack apps across GDPR compliance, Web3, social networking, and company management — all for startups and scale-ups.
Results
- Delivered scalable backend systems under delivery pressure.
- Improved architectural consistency across projects.
- Successfully integrated smart contract interactions and third-party services.
Goodrequest — Backend Engineer
Žilina | December 2016 – May 2022 · goodrequest.com
Scope & Ownership
- Developed scalable APIs using Express.js.
- Took ownership of backend services and infrastructure configuration.
- Implemented CI/CD workflows to improve deployment reliability.
- Diagnosed and resolved complex production issues.
- Mentored developers and supported hiring and onboarding.
Business Context
- Delivered backends and full-stack apps for clients in banking, telco, fitness, and enterprise — e-shops, websites, CMS and internal tools, public apps, and REST APIs
Results
- Increased deployment reliability through CI/CD implementation.
- Strengthened backend stability across diverse production environments.
- Contributed to team growth via mentoring and onboarding.
Tech Stack & Toolset
Dev Env
Backend
Frontend
Databases
DevOps & Infrastructure
Testing
