Senior Software Engineer, Backend - Core/API & Process Automation

Job description

Register Here! Camunda is the enterprise platform for agentic orchestration , enabling organizations to coordinate AI agents, people, and systems across complex, end-to-end business processes. With built-in governance, auditability, and human oversight, Camunda gives enterprises the control they need to move AI from pilots to production — safely and at scale. Trusted by over 700 organizations worldwide , including 9 of top 10 US banks, Camunda helps enterprises boost operational efficiency, accelerate time-to-value, and deliver better customer experiences. Fully remote and global, we are in the middle of something bigger: transforming into an AI-first organisation, built on our own platform . We use Agentic AI to automate, orchestrate intelligent processes, and elevate human contribution across every team. Named GP Bullhound’s Top 100 Next Unicorn list, 2025 Great Place to Work certified. Visionary in 2025 Gartner® Magic Quadrant™ for Business Orchestration and Automation Technologies. ranked 3rd in Flexa's 2026 Most Flexible Companies , We’re growing fast and looking for top talent to join our team. If you want meaningful work, visible impact and put something genuinely rare on your CV, keep reading. About the role: Backend engineering rarely gets this consequential. As a Senior Software Engineer on Camunda's Core / API & Process Automation team, you'll work on the beating heart of Camunda 8 — the event-sourced, distributed workflow engine that executes business-critical processes for thousands of customers and, through them, millions of people worldwide. Because you sit at the core, one well-made improvement propagates outward through every integration and product built on top of it: a small change here is felt everywhere. Few systems demand this. You'll squeeze the last drops of performance out of the hot paths. You'll design maintainability and versioning strategies for an engine that must faithfully replay every event it has ever written — forever. You'll reason about the concurrency between the engine advancing a process and a user mutating that same process in the same instant. And you'll hold an unforgiving bar: data must never be corrupted, and a process must never get stuck — because when it does, customers lose money. That single constraint cascades into some of the hardest technical and product challenges you'll find anywhere. You'll also help d…