[Remote] Principal Data Engineer - PerfectScale by DoiT, Poland(Remote)

Note: The job is a remote job and is open to candidates in USA. DoiT is a global technology company that works with cloud-driven organizations to leverage the cloud to drive business growth and innovation. As a Principal Data Engineer, you will design and build large-scale backend services and high-throughput data pipelines while shaping the long-term technical direction of PerfectScale’s platform.ResponsibilitiesDesign, build, and deploy large-scale distributed systems and high-throughput data pipelines using Go and cloud-native technologiesLead system-wide architectural decisions, focusing on data flow, performance, and resilience. Actively contribute to the codebase with high quality codeLead major technical initiatives, reduce technical debt and ensure the platform meets the reliability and scalability SLAs. Champion best engineering practices, code quality, testing and maintainabilityCollaborate with product and engineering teams and R&D management to define the technical roadmap, review architecture and mentor junior engineersSkills8+ years of backend engineering experience, with 3+ years architecting high-load systems or data pipelines in a production environmentDeep expertise in distributed systems using modern languages (Go, Java, Rust, or Python)Strong, hands-on experience with relational and analytical databases (Postgres, ClickHouse is preferred)Proven experience with microservices, containers, and modern DevOps practices (Docker, Kubernetes, GitOps, CI/CD)Demonstrated ability to combine hands-on coding with architectural leadership, including strong debugging, benchmarking, and performance optimization skillsDeep Golang expertiseDeep Kubernetes KnowledgeExperience with modern data engineering technologies: Spark, Trino, Iceberg, Parquet, ClickHouse, DBTDBA background (relational, OLAP, columnar)Expertise in telemetry and time seriesCloud expertise (AWS, GCP, Azure)BenefitsWe are home to a global team of incredible talent who work remotely and have the flexibility to have a schedule that balances your work and home life.We embrace and support leveling up your skills professionally and personally.Company OverviewDoiT Cloud Intelligence intent-aware FinOps platform goes beyond cost optimization to drive reliability, performance, and security. It was founded in 2011, and is headquartered in Santa Clara, California, USA, with a workforce of 501-1000 employees. Its website is https://www.doit.com.Company H1B SponsorshipDoiT has a track record of offering H1B sponsorships, with 3 in 2025, 2 in 2024, 4 in 2022. Please note that this does not guarantee sponsorship for this specific role.