Senior Backend Team Lead - Java, Cloud & Microservices

Tenarai Europe; Kraków; On-site; PLN 210,000 - 270,000; Full time

Benefits offered by this job

Office in Kraków

Onsite parking

Referral program bonus

Life Insurance

Development budget

Learning Platform access

Multisport access

Job summary

Tenarai Europe in Kraków is seeking an experienced backend engineer to design, develop, test, and maintain core internal systems. You will focus on scalable Java/Spring Boot microservices and robust REST/gRPC APIs for high-volume travel transactions.

You will work with GCP, Docker, and Kubernetes, collaborate with QA and SRE, participate in CI/CD, and mentor junior developers, contributing to code quality and on-call reliability.

Qualifications

• 8+ years of experience with Java and Spring Boot.
• Experience building microservices, REST APIs, and gRPC services.
• Hands-on experience with GCP, Docker, and Kubernetes.
• Knowledge of GitHub, Jenkins, or GitHub Actions.
• Familiarity with monitoring tools such as Prometheus and Stackdriver/Cloud Monitoring.
• Basic scripting skills in Python or Bash.
• Experience with WireMock and performance testing.

Responsibilities

• Design, develop, test and maintain backend applications using Java and Spring Boot.
• Build and support RESTful APIs and gRPC services.
• Develop solutions deployed on Google Cloud Platform (GCP) and Kubernetes.
• Collaborate with QA, SRE, and Product teams.
• Participate in CI/CD processes, deployments, and production support.
• Provide support during release cycles, including smoke testing, manual validation.
• Troubleshoot issues using logs, metrics, and monitoring tools.
• Conduct code reviews, mentor junior developers, and participate in an on-call rotation.

Skills

Java & Spring Boot

Microservices

REST & gRPC

GCP & Kubernetes

CI/CD (GitHub Actions/Jenkins)

Monitoring (Prometheus)

Scripting (Python/Bash)

Performance testing (WireMock)

Tools

GCP

Docker

Kubernetes

GitHub/Jenkins Actions

Prometheus

Stackdriver/Cloud Monitoring

Job description

Tenarai Europe in Kraków is seeking an experienced backend engineer to design, develop, test, and maintain core internal systems. You will focus on scalable Java/Spring Boot microservices and robust REST/gRPC APIs for high-volume travel transactions.

You will work with GCP, Docker, and Kubernetes, collaborate with QA and SRE, participate in CI/CD, and mentor junior developers, contributing to code quality and on-call reliability.