We are a global team of innovators and pioneers dedicated to shaping the future of observability. At New Relic, we build an intelligent platform that empowers companies to thrive in an AI-first world by giving them unparalleled insight into their complex systems. As we continue to expand our general footprint, we're looking for passionate people to join our mission. If you're ready to help the world's best companies optimize their digital applications, we invite you to explore a career with us
Your opportunity Join a backend engineering team focused on building and operating JVM-based services that ingest, process, and serve massive volumes of telemetry data. What you'll do Design, build, and operate JVM-based microservices (primarily Java and Kotlin) with a focus on performance, scalability, and reliability.
Own services end-to-end: architecture, implementation, deployment, monitoring, on-call participation, and continuous improvement.
Apply strong concurrency and performance practices: asynchronous programming, backpressure, efficient I/O, memory management, and GC tuning.




work with Kafka for streaming, partitioning, consumer groups, and schema evolution. Experience with Kafka or similar streaming technologies (topic/partition strategy, consumer lag, idempotency, schema compatibility) strongly preferred.
Practical experience with containers and Kubernetes, and with CI/CD pipelines.
Track record of operating services in production: monitoring, alerting, incident response, and postmortems.
proficiency in rror budgets to drive reliability.
Automate CI/CD, testing, and operational tasks; Strong experience building and operating production-grade backend services on the JVM (Java and/or Kotlin).
CompletableFuture, Project Reactor, RxJava, Kotlin coroutines)
Deep JVM performance profiling and tuning experience (JFR, async-profiler, JMH).
Experience with schema registries and serialization formats (Avro, Protobuf), and stream processing (Kafka Streams, Flink).
Familiarity

📌 Senior Software Engineer C# (Barcelona)
🏢 New Relic
📍 Barcelona