Data infrastructure engineer

A technology startup building an AI-powered platform for autonomous data lakehouse management and optimization. The product automates data maintenance, improves query performance, and reduces infrastructure costs across large-scale data environments using Apache Iceberg. The team focuses on high-performance data systems, distributed computing, Rust-based optimization, and AI integration, offering an opportunity to work on complex data infrastructure challenges in an early-stage product company. We're looking for a Data Infrastructure Engineer to build and maintain high-performance data lakehouse infrastructure.

• Design and ship the services that turn table health signals into safe, correct maintenance operations
• Make every commit to a customer’s table verifiably correct, including under concurrent writers, retries, and partial failures
• Work on a production-grade compaction engine and the systems around it
• Maintain QueryFlux: triage issues, review pull requests, build new engine connectors, and cut releases
• Run what you build in production, including on-call and debugging in customers’ real environments

• 5+ years of software development experience in Java
• Strong Rust development experience
• Experience with TypeScript
• Production experience with data infrastructure and maintaining production systems
• Working knowledge of Apache Iceberg and Parquet
• Solid experience with PostgreSQL
• Experience with Kubernetes
• Understanding of data maintenance operations and data integrity
• Ability to work independently and take ownership of technical solutions
• Strong communication and collaboration skills, including code reviews and open-source contributions
• Будет плюсом: Experience with Apache Spark or DataFusion; Experience with query engines such as Trino; Experience with SQL routing, query proxying, or multi-engine query systems

• People-first management with minimal bureaucracy
• A friendly company culture, proven by employees who choose to return
• Flexible working hours
• 29 days of PTO (18 working days per year pluse all national holidays)
• 10 paid recovery days
• Full financial and legal support for independent contractors
• Free English classes, with native speakers or Ukrainian teachers
• Dedicated HR support