Krzysztof Surdy

Built B2B systems for partner onboarding and internal platform tooling; since 2025 also the team's point person for company-wide AI-assisted development and code generation best practices. Led the development of a production MCP server exposing 15M+ vacation rentals to ChatGPT and Claude.

Owned payments and pricing backend services for an online language-learning platform; drove cross-team architecture, mentored engineers, and shipped production LLM features. Designed a regional pricing engine covering 195+ countries and 10 currencies, and built a real-time fraud detection system.

Built B2B systems for partner onboarding and internal platform tooling. Led the development of a production MCP server exposing 15M+ vacation rentals to ChatGPT and Claude, and automated whitelabel and brand onboarding, cutting contract-to-delivery time from one month to one day.

Developed high-traffic, user-facing backend features for a digital game distribution platform, built for performance at scale. Built the digital rewards redemption system for the Cyberpunk 2077 launch and the game wishlist system.

Built core systems for a large-scale e-commerce platform, including a new Elasticsearch-based search engine, and drove architecture modernization. Led a gift card generation, management, and redemption system that generated 1M+ gift cards.

Built core systems for a large-scale e-commerce platform, including a new Elasticsearch-based search engine, and drove architecture modernization. Built a supplier feed ingestion platform powering the marketplace.

Built backend features for Magento storefronts: product listings, checkout, and account management.

Improved product data quality and storefront categorization using MySQL queries, HTML, and CSS.