**Introduction** Instana delivers cutting-edge Cloud Observability and Application Performance Monitoring (APM) solutions. Our SaaS multi-cloud platform processes and analyzes millions of spans, traces, metrics and events per second to provide actionable insights to our fast-growing customer base. **Your role and responsibilities** Join us as a Senior Java Developer on our Backend Enablement team to design, develop, and maintain high-load, big-data JVM applications. Collaborate with a cross-functional team to ensure efficient and reliable product delivery. Design, develop and maintain scalable, high-performance JVM applications. * Translate business requirements into technical solutions. * Write clean, efficient, and well-tested code. * Conduct functional, unit and integration testing to ensure high-quality delivery. * Optimize application performance and scalability. * Troubleshoot and resolve production issues. * Stay updated with the latest Java and backend trends. **Required technical and professional expertise** 8+ years of hands-on experience in Java backend development. * Solid understanding of OOP principles and design patterns. * Proficiency in cloud-native platforms (AWS, GCP, Azure). * Practical experience in developing for Kubernetes. * Experience with big-data processing and analytics: Kafka, Clickhouse is a plus. * Strong problem-solving and analytical skills. * Effective communication and teamwork abilities. **Preferred technical and professional experience** * Experience in high-load data processing and distributed systems. * Knowledge of microservices architecture. * Familiarity with DevOps tools and practices (TDD, CI/CD, SCM). * Hands-on experience with cloud observability and APM tools. * Proficiency in RDBMS technologies (JDBC, SQL). * Familiarity with NoSQL datastores (Elastic, Cassandra, S3) * Expertise in Java web frameworks (Spring Boot, Quarkus, Dropwizard). * Test-driven development (TDD) using JUnit or similar frameworks. * Modern JVM languages: Kotlin, Scala, Clojure * Modern Java backend frameworks and libs: Reactor, Kafka Streams, JOOQ, cloud SDKs, Serverless