Java Software Engineer

18 godzin temu

Wrocław, Województwo dolnośląskie, Polska LanceSoft UK Pełny etat

Title:
Senior AWS Certified Java Backend Developer (Backend Test Automation)

Location:
Wroclaw, Poland

Overview:

Senior Java Backend Engineer responsible for developing cloud-native microservices and implementing backend test automation for a major German automotive customer. The role combines Java (17+), AWS infrastructure, Spring Boot, and integration/system testing within a modern Agile/DevOps environment. Office presence is required 3 days/week with occasional travel to Germany.

Responsibilities:

  • Develop and maintain Java backend microservices using Spring Boot and Hibernate/JPA
  • Design and execute unit, integration, and system tests for backend services
  • Work with AWS services (ECS, Fargate, IAM, Aurora, DynamoDB, Lambda, SQS/SNS, API Gateway, etc.)
  • Build and consume REST APIs, including mTLS-secured services
  • Contribute to CI/CD workflows using GitLab and Infrastructure-as-Code (Terraform)
  • Collaborate closely with the customer, tech lead, and cross-functional teams in Scrum
  • Participate in on-call rotation (3rd level support) every 5–6 weeks
  • Support DevOps practices ("You Build It, You Run It")
  • Use AI tools to increase development and testing efficiency
  • Document work and collaborate via Jira, Confluence

Requirements:

Must Have:

  • 5+ years Java backend experience (Java 17+)
  • Strong Spring Boot & JPA/Hibernate knowledge (including internal workings)
  • Strong SQL and REST API development experience
  • 1+ year hands-on AWS infrastructure experience
  • Clean Code, microservices architecture, Git
  • Solid experience writing automated unit, integration & system tests
  • Agile/Scrum experience
  • AWS Developer Associate or Solutions Architect Associate (or commitment to certify within 6 months)
  • Willingness for office presence (Tue–Thu) and 24/7 on-call rotation

Should Have:

  • GitLab CI/CD, Terraform, Clean Architecture, OpenTelemetry
  • Kafka, Grafana, Prometheus, Splunk
  • Experience integrating with identity providers, certificate authorities, payment providers
  • eMobility domain knowledge (OCPP, OCPI, OICP, Hubject)
  • University degree

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