Ludvík Prokopec

• Engineered a global proxy network to manage IP rotation for web scrapers, significantly improving unblocking capabilities.
• Developed core backend services ensuring reliable execution of automated bots (Actors) and efficient output storage.
• Managed and optimized the platform's database to enhance overall system performance and stability.

Stack: Node.js, TypeScript, Proxy-Chain, PubSub, MongoDB

• Led end-to-end development of an IoT cloud platform for water level sensors, including a local management system.
• Oversaw the entire development lifecycle, from project setup and environment management to testing and deployment.
• Implemented CI/CD pipelines and containerization to ensure reliable delivery across multiple environments.

Stack: Node.js, TypeScript, React, REST, ORM, PostgreSQL

• Engineered a full-stack CMS for managing digital signage content with a robust backend and complex user interface.
• Developed GraphQL APIs using Nexus and Pothos to power the system's data management capabilities.
• Built a dynamic UI with React and TypeScript, integrating backend modules for seamless cross-screen functionality.

Stack: Node.js, TypeScript, React, GraphQL, ORM, PostgreSQL

• Developed complex front-end websites with administrative interfaces using Contember.
• Implemented key features including user authentication and Stripe payment integration.

Stack: React, Node.js, TypeScript, GraphQL

• Designed and built a virtual WebAuthn authenticator to as an alternative for physical security keys.
• Implemented a browser extension to intercept and proxy navigator.credentials API calls to a virtual web REST API.
• Engineered a backend service to handle cryptographic operations, CBOR processing and Key Vault key generation and signing.

Stack: Node.js, TypeScript, WXT, REST, ORM, PostgreSQL

• Designed and implemented a custom library offering a strongly typed API with schema introspection.
• Overcame boundaries of existing tools by creating an open API solution while maintaining the simplicity of tRPC.

Stack: Node.js, TypeScript

• Created a reactive proxy model to eliminate performance drawbacks of traditional DOM manipulation.
• Optimized page editing by reducing the need for explicit interface updates and redrawing.

Stack: Node.js, TypeScript

• Focused on middleware architecture, microservices, API design, and web service composition.
• Gained deep understanding of web scraping, web graphs, and native text language processing techniques.
• Acquired knowledge of multimedia database indexing and similarity-based searching (range and K-nearest neighbors queries).

• Specialized in the semantic web, modern data formats, and UML modeling.
• Developed a strong foundation in advanced algorithms, data structures, and multi-threaded programming.
• Acquired knowledge of distributed systems and database management for scalable web applications.