Senior Java Engineer: Cloud Microservices Tech Lead

HeadHR; Województwo małopolskie; On-site; PLN 156,240 - 200,880; Full time

Job summary

HeadHR is looking for a Senior Backend Developer in Poland to design and develop modern payment processing solutions focused on microservices architecture. The role includes building and maintaining high-quality backend services in Java, ensuring system reliability, and collaborating with DevOps teams on automation. Candidates must have 8+ years of experience in backend development, strong knowledge of API design, cloud environments, and observability tools. This position is open to fluent English speakers with a drive for best engineering practices.

Qualifications

• 8+ years of experience in backend development using Java.
• Strong experience in API design and distributed systems.
• Hands-on experience with microservices architecture and Spring Boot.
• Solid understanding of cloud environments (AWS / Azure / GCP).
• Experience with monitoring and observability tools (Prometheus, Grafana, Splunk).
• Fluent English communication skills.

Responsibilities

• Design and develop modern payment processing solutions based on microservices architecture.
• Build and maintain high-quality backend services focusing on performance.
• Ensure high availability, resiliency, and reliability of systems.
• Collaborate with DevOps teams to enable CI/CD and automation.
• Drive best engineering practices and mentor other engineers.

Skills

Backend development (Java)

API design

Microservices architecture (Spring Boot)

Kafka

Docker

Kubernetes

Cloud environments (AWS / Azure / GCP)

CI/CD

Monitoring and observability tools

Fluent English

Job description

HeadHR is looking for a Senior Backend Developer in Poland to design and develop modern payment processing solutions focused on microservices architecture. The role includes building and maintaining high-quality backend services in Java, ensuring system reliability, and collaborating with DevOps teams on automation. Candidates must have 8+ years of experience in backend development, strong knowledge of API design, cloud environments, and observability tools. This position is open to fluent English speakers with a drive for best engineering practices.