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, Wrocław
• Type of Work: Hybrid, 2-3 days per week from the office
• Employment Type: contract B2B

We 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.

Responsibilities

• design, build and document complex distributed backend services using Java, Spring, Spring Boot and design patterns
• build high-throughput microservices (multi-threading / concurrency / multi-node) and event-based processing pipelines
• develop RESTful APIs according to industry standards and best practices
• implement cloud-ready services, quick prototypes and internal tools to improve E2E application delivery
• participate in full SDLC: (design, coding, testing, deployment, maintenance)
• debug, troubleshoot, refactor and upgrade existing systems in production
• collaborate closely with product, architecture and QA to ensure quality and continuous improvement

Must have

• strong Java (Spring, Spring Boot, MVC),
• SQL
• microservices architecture & domain-driven design patterns
• experience handling high data volume and high throughput systems
• REST API design
• experience with messaging / event driven tech (Kafka or similar)
• ability to prototype quickly and improve systems iteratively
• ability to provide ongoing maintenance, improvements and optimizations

Nice to have

• Python
• finance domain exposure

Ready 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