Senior Java Spring Developer

We are seeking a Senior Java Spring Developer to design, develop, and maintain high-performance, scalable applications while supporting cloud-native solutions and resilient, distributed systems. Please note that working from the client's office is required 3 days per week. Responsibilities Design, develop, and maintain high-performance, scalable Java-based applications Build and support cloud-native solutions on Azure and AKS Develop and enhance microservices using Spring Boot and Spring Security Manage containerized deployments and infrastructure using Kubernetes, Helm, and Terraform Implement and optimize messaging solutions leveraging Kafka and RabbitMQ Collaborate with cross-functional teams to deliver reliable and resilient systems Perform performance analysis, troubleshooting, and tuning of applications and messaging platforms Support knowledge transfer and handover activities as part of project onboarding Requirements 5+ years of software engineering experience Proficiency in Java and Spring Boot Understanding of Spring Security and secure application design Expertise in Azure, Azure Kubernetes Service (AKS), Terraform, and Helm Expertise in containerization and Kubernetes-based deployments Strong experience with messaging technologies such as Kafka and RabbitMQ Proficiency in SQL and PostgreSQL Experience with distributed caching/data grid technologies such as Apache Ignite or Hazelcast Experience building and supporting high-performance messaging applications Strong performance tuning and troubleshooting skills Excellent problem-solving and communication abilities Proficiency in English at a B2+ level Nice to have Entrepreneurial mindset with a proactive, ownership-driven approach Experience in event-driven architecture and distributed systems Knowledge of CI/CD practices and DevOps automation Experience working in large-scale enterprise environments Familiarity with monitoring and observability tools Poland (Prod- A3/B track) We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors.

Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively