daniiln

Core team member focused on off-chain agent infrastructure for a cross-chain messaging protocol. Built and maintained the agents responsible for relaying and processing messages between blockchains. Developed high-reliability off-chain agents in Rust that operated across multiple chains. Built TypeScript tooling for deploying and operating entire environments — smart contracts, off-chain agents, and supporting infrastructure — unblocking other developers. Gained deep operational experience working on live cross-chain infrastructure — including navigating the aftermath of a major industry incident, strengthening skills in incident response and systems resilience.

Joined as second employee (Senior Data Engineer), grew to Lead with three direct reports. Worked directly with the CTO across all data and pricing initiatives. Architected the company’s entire data pipeline: ETL, BI-ready warehousing, and multi-platform ingestion. Built a high-performance dynamic pricing system — the most full-featured on the market at the time — used daily by the Revenue Management team across all hotels and booking platforms. Created a room-assignment optimizer evaluating 20M+ combinations per minute with a custom algorithm accounting for a dozen guest and room features. Led scraping infrastructure for business-critical performance data across all hospitality channels.

Full-stack development in a containerized microservice environment. Responsible for supplier onboarding, invoicing, and email-handling services.