Java Backend Developer

At ScaleneWorks People Solutions, we're more than recruiters; we're career architects dedicated to connecting exceptional talent with top-tier opportunities. Backed by industry experts, we prioritize relationships, offer global opportunities, and champion your success every step of the way.Ready to shape your future? Explore opportunities with us today.We are looking for a Java Backend Developer, for our well-known client.Location: Poland, WrocławType of Work: Hybrid, 2-3 days per week from the officeEmployment Type: contract B2BWe are looking for a Java Backend Developer (Java/Microservices) with 5–10 years of experience to design and build distributed backend services in a high-performance environment. You will work on cloud-ready microservices, leverage concurrency/multithreading, event-based messaging and modern engineering patterns to deliver scalable platforms for business-critical workloads.Responsibilitiesdesign, build and document complex distributed backend services using Java, Spring, Spring Boot and design patternsbuild high-throughput microservices (multi-threading / concurrency / multi-node) and event-based processing pipelinesdevelop RESTful APIs according to industry standards and best practicesimplement cloud-ready services, quick prototypes and internal tools to improve E2E application deliveryparticipate in full SDLC: (design, coding, testing, deployment, maintenance)debug, troubleshoot, refactor and upgrade existing systems in productioncollaborate closely with product, architecture and QA to ensure quality and continuous improvementMust havestrong Java (Spring, Spring Boot, MVC), SQLmicroservices architecture & domain-driven design patternsexperience handling high data volume and high throughput systemsREST API designexperience with messaging / event driven tech (Kafka or similar)ability to prototype quickly and improve systems iterativelyability to provide ongoing maintenance, improvements and optimizationsNice to havePythonfinance domain exposureReady to Take the Next Step? If you're ready to embark on an exciting journey with ScalenWorks, we'd love to hear from you! Submit your resume and let's work together to unlock new possibilities and redefine success.KRAZ nr. 28233