Senior Platform Engineer, Event Streaming Platform (Kafka)
Wolt - English1 day ago
Helsinki, Finland or Berlin, GermanySenior
Responsibilities
- Design, build, and operate large-scale event streaming infrastructure for critical production workloads.
- Improve the reliability, scalability, observability, and automation of Kafka, Event Bus, and related streaming components.
- Debug distributed-systems issues involving latency, performance, capacity, and partition imbalances.
- Build infrastructure automation and self-healing capabilities to reduce operational toil and improve resilience.
- Participate in 24/7 on-call rotation and incident response, and drive improvements through pre-mortems, operational readiness checklists, and post-mortem actions.
- Collaborate with Storage, Core Infrastructure, SRE, Data Platform, and Caching teams across EU and US regions.
- Shape the long-term architecture and technical strategy of the event streaming platform, including contributing to RFCs.
Requirements
- Hands-on experience building or operating distributed systems in production.
- Deep experience with Kafka or similar event streaming systems as a platform, infrastructure service, or critical production dependency.
- Strong coding ability in Java, Go, Python, or a similar language, focused on reliable production-grade systems and libraries.
- Experience operating scalable production infrastructure, including debugging, troubleshooting, and reliability improvement.
- Strong understanding of infrastructure automation, observability, capacity management, and operational excellence.
- Understanding of Linux, networking, and JVM-based systems, or willingness to deepen expertise in these areas.
- Strong communication and writing skills for collaboration across platform, infrastructure, and product engineering teams.
- Preferred experience contributing to Kafka or related open-source distributed systems.
- Preferred experience with Redpanda, WarpStream, AutoMQ, Pulsar, JVM tuning, broker tuning, partition management, Cruise Control, tiered storage, diskless streaming architectures, or multi-region event streaming platforms.