PostHog - Backend Engineer — Ingestion

• We're seeking a Europe/UK based ingestion pipeline engineer who: • Europe/UK based • Thrives on challenges of building systems that process billions of events per day • Gets excited about designing elegant and efficient systems that can handle terabytes of data without giving people insomnia • Understands the importance of data integrity and reliability for customers • The ideal candidate has experience with high-throughput data processing systems such as: • Analytics platforms • Metric collection systems • Log aggregation engines • Streaming and batch-processing pipelines • We use a mixture of Node.JS and Rust for high-throughput processing. We store most of our data in Kafka, PostgreSQL, Clickhouse, S3, and Redis, but with the growing volume of data, we're constantly re-evaluating our technological choices. We're looking for someone who understands the principles of designing distributed systems and can use them to pick the best tools for the job. • What makes this role unique • At PostHog you won't get stuck maintaining an obscure microservice or working in the shadows of the product org, instead, you will: • Own the entire service from end-to-end: No committees or overzealous PMs, the destiny of the ingestion pipeline will be in your hands. • Own the entire service from end-to-end • Build open-source software: You'll be able to show your Rust-fu to your friends and family (and security researchers too). • Build open-source software • Build in the hot path: Your code will decide whether our customers and engineers have a good time or not. • Build in the hot path • Start from first principles: No cookie-cutter solutions here, you'll be safe from AI agents for a good while. • Start from first principles • See immediate results: Small, confident, frequent steps forward – that's how we like to move. • See immediate results • Experience working with highly scalable, event-driven distributed systems • You have developed multi-tenant software-as-a-service products • Experience with Node.JS, Go, Rust, or similar languages • You have worked with Kafka and PostgreSQL, Redis, or similar systems at scale • You know how to ship changes quickly without breaking things • Experience with customer data platforms or similar data analytics systems • You've carried a pager and have dealt with incidents • You're comfortable with provisioning and maintaining cloud infrastructure • Experience with benchmarking and profiling tools • Knowledge of observability systems and practices • We believe people from diverse backgrounds, with different identities and experiences, make our product and our company better. That’s why we dedicated a page in our handbook to diversity and inclusion. No matter your background, we'd love to hear from you! Alignment with our values is just as important as experience! 🙏 • Also, if you have a disability, please let us know if there's any way we can make the interview process better for you - we're happy to accommodate!