Senior Platform Engineer, Event Streaming Platform

About Wolt

At Wolt we create technology that brings joy simplicity and earnings to the neighborhoods of the 2014 we started with delivery of restaurant food. Now were building the delivery of (almost) everything and youll find us in over 500 cities in 30 countries around the 2022 we joined forces with DoorDash and together we keep on dreaming big and expanding across the globe.

Working at Wolt isnt always easy but its definitely exciting. Here youll learn more build more and ship more than in most other companies. Youll be challenged a lot but also have a lot of fun on the way. So if youre a self-starter with drive and entrepreneurial spirit this could be the ride of your life.

About the Role

Were looking for an experienced Platform Engineer to join Event Streaming team the distributed team responsible for the Kafka infrastructure and event streaming systems that power business-critical workflows across Wolt Deliveroo and DoorDash.

Youll be joining a team that operates at the intersection of Platform Engineering and Reliability Engineering building and running the streaming backbone that is used by thousands of services across 3 companies. This is deeply technical work: youll own distributed systems at scale contribute to long-term architecture decisions and be working on the reliability of critical parts of infrastructure.

What Youll Be Doing

Youll be joining the team within the broader Storage organisation. The team builds and operates highly reliable scalable and efficient event streaming infrastructure including Kafka in-house Event Streaming abstraction (internally called Event Bus) and any future streaming platform technologies. These systems support critical workflows and are foundational to how engineering teams build reliable event-driven products at scale.

Heres what your day-to-day might look like:

• Design build and operate large-scale event streaming infrastructure that supports critical production workloads.
• Improve the reliability scalability observability and automation of Kafka Event Bus and related streaming components.
• Debug complex distributed systems issues latency issues performance bottlenecks capacity constraints partition imbalances and drive them to resolution.
• Build infrastructure automation and self-healing capabilities that reduce operational toil and improve platform resilience.
• Contribute to the teams 24/7 On-call rotation and incident response and drive continuous improvement through pre-mortems operational readiness checklists and post-mortem action items.
• Partner closely with other teams within Storage organization and wider Core Infrastructure org like SRE Data Platform and Caching teams across EU and US regions including occasional collaboration in the EU evening hours.
• Shape the long-term architecture and evolution of our event streaming platform contributing to RFCs and technical strategy.

What Youll Need to Thrive

• Strong hands-on experience building or operating distributed systems in production.
• Deep experience with Kafka or similar event streaming systems either as a platform infrastructure service or critical production dependency.
• Strong hands-on experience building or operating distributed systems in production.
• Strong coding ability in Java Go Python or similar with the emphasis on building reliable production-grade production systems and libraries.
• Experience operating scalable production infrastructure including debugging troubleshooting and improving reliability.
• Strong understanding of infrastructure automation observability capacity management and operational excellence.
• Good fundamentals in Linux networking and JVM-based systems or curiosity to deepen expertise in these areas.
• Strong communication and writing skills with the ability to work across platform infrastructure and product engineering teams.

Nice to have

• Experience contributing to Kafka or related open source distributed systems.
• Experience with Redpanda WarpStream AutoMQ Pulsar or similar streaming technologies.
• Experience with JVM tuning broker tuning partition management or Cruise Control.
• Experience with tiered storage diskless streaming architectures or multi-region event streaming platforms.
• Experience operating critical infrastructure at large scale.

Our Commitment to Diversity and Inclusion

Were committed to growing and empowering a more inclusive community within our company industry and cities. Thats why we hire and cultivate diverse teams of people from all backgrounds experiences and perspectives. We believe that true innovation happens when everyone has room at the table and the tools resources and opportunity to excel.