Do you want to build the systems that physically move parcels across Europe, generate shipping labels at scale, and turn a constant stream of carrier scans into real-time tracking for millions of shipments?

We are looking for a Senior Software Engineer to join our Carrier Integration Team. You will design, build, and operate the backend services that integrate Seven Senders with Europe's carriers end-to-end; from label generation, routing, and returns to ingesting and normalizing parcel tracking events from dozens of carrier APIs, EDI feeds, and webhooks. You will own the full lifecycle, from architecture to production, on a modern, event-driven JVM stack built around Domain-Driven Design.



Our core tech stack includes Java 21 (moving to 25), Spring Boot 3/4, MongoDB, MySQL, Kafka (AWS MSK), Vue, AWS, Docker, and Kubernetes.

Your main responsibilities: 

• Design, devel...