Principal Data Engineer - PerfectScale by DoiT, Portugal(Remote)

DoiT is a global technology company specializing in cloud-driven solutions to help customers operate scalable and well-architected cloud environments. They offer PerfectScale, a Kubernetes optimization and management platform combining AI technology with human expertise to optimize cloud performance and costs. DoiT is an award-winning strategic partner of AWS, Google Cloud, and Microsoft Azure, serving over 4,000 customers worldwide.

• 8+ years of backend engineering experience with 3+ years architecting high-load systems or data pipelines in production.
• Deep expertise in distributed systems using modern languages such as Go, Java, Rust, or Python.
• Strong hands-on experience with relational and analytical databases, preferably Postgres and ClickHouse.
• Proven experience with microservices, containers, and modern DevOps practices including Docker, Kubernetes, GitOps, and CI/CD.
• Demonstrated ability to combine hands-on coding with architectural leadership, including strong debugging, benchmarking, and performance optimization skills.

Bonus Points:

• Deep Golang expertise.
• Deep Kubernetes knowledge.
• Experience with modern data engineering technologies: Spark, Trino, Iceberg, Parquet, ClickHouse, DBT.
• DBA background (relational, OLAP, columnar).
• Expertise in telemetry and time series.
• Cloud expertise with AWS, GCP, or Azure.

• System Ownership: Design, build, and deploy large-scale distributed systems and high-throughput data pipelines using Go and cloud-native technologies.
• Architecture & Code: Lead system-wide architectural decisions focusing on data flow, performance, and resilience; actively contribute high-quality code.
• Technical Leadership: Lead major technical initiatives, reduce technical debt, and ensure platform reliability and scalability SLAs; champion best engineering practices, code quality, testing, and maintainability.
• Collaborate with product and engineering teams and R&D management to define the technical roadmap, review architecture, and mentor junior engineers.

This role is open to full-time employees located remotely in the UK, Ireland, Estonia, the Netherlands, Sweden, and Israel. Contractors are also considered in Eastern Europe and Portugal.