Principal Software Engineer – Greenfield projectBuild and shape the data backbone behind a global cybersecurity platform.We're looking for aPrincipal Software Engineerto lead the architecture and evolution of a cloud-scale ingestion and transformation platform that powers advanced analytics, investigations, and detections used by enterprises worldwide.This is ahigh-impact, senior technical rolewhere you'll combine deep hands-on engineering with architectural leadership. You'll design and operate systems that ingest and process massive volumes of telemetry acrossAWS, Azure, and cloud-native environments, enabling real-time insights and behavioral analytics at scale.You'll join a team responsible for thecore data foundationof the business, ensuring data is efficiently collected, normalized, secured, and made accessible with high performance, resilience, and scalability. If you enjoy solving complex distributed systems challenges and owning critical platform components, this role offers meaningful ownership and technical depth.About the RoleAs a Principal Software Engineer, you'll lead the design, development, and operation of theCloud Ingestion Platform, supporting data collection, transformation, analytics, and access across multiple cloud providers. You'll help define architectural direction, mentor engineers, and drive best practices across performance, cost efficiency, security, and reliability.This role blendsstrategic architecturewithhands-on executionin a fast-moving, collaborative engineering environment.Your Mission:Architect and build scalable cloud ingestion and transformation systemsLead the design of ETL pipelines that convert diverse telemetry into clean, reliable data modelsOwn and optimize cloud database and data infrastructure, focusing on performance, cost, and scalePartner with data, platform, and infrastructure teams on observability, capacity planning, and system reliabilityWhat We're Looking For10+ years of professional software engineering experience5+ years building distributed systems or large-scale data platformsStrong proficiency in Python, Rust, Java, or GoHands-on experience with AWS, Azure, or similar cloud platformsProven experience scaling and optimizing cloud data platforms (e.g. Snowflake, Trino, Delta Lake, Iceberg, RDS )Why Join?Play a key role in shaping a global, cloud-scale data platformSignificant influence over architectural and technology decisionsModern tech stack within a mission-driven cybersecurity environmentCollaborate with highly skilled engineers across cloud, data, and analyticsBenefits:100,000 € - 130,000 € Base Salary + Health Insurance, Pension, Stocks, Life assurance, Dental coverFor more information, contactOlga Torresconfidentially on or send your CV to.