Backend Engineer for Colleague Clubcard API (Java/Spring)

Tesco Technology; Kraków; Hybrid; PLN 223,000 - 279,000; Full time

Benefits offered by this job

Annual bonus

Permanent contract

Private healthcare

Cafeteria benefits

Multisport

Extra 4 days of paid leave

25 days annual leave

Udemy learning platform

MacBook provided

Referral bonus

Job summary

Tesco Technology in Kraków is seeking a Backend Software Engineer to design, build and maintain secure, scalable microservices powering colleague benefits. You will own services end-to-end—from development to production support—working with a DevOps mindset across multiple teams.

We expect 4+ years in Java/JVM with Spring Boot, strong Azure cloud and Terraform IaC skills, solid testing, CI/CD, and Agile experience.

Qualifications

• 4+ years of hands on experience as a Software Engineer within the JVM ecosystem (Java / Spring Boot).
• Good understanding of cloud platforms (Azure preferred) and experience with Infrastructure as Code, e.g., Terraform.
• Solid grasp of software engineering fundamentals, including testing strategies, CI/CD pipelines, version control, and code review practices.
• Capability to take a business or product requirement and contribute to defining the technical approach.
• Able to work independently day-to-day with minimal guidance.
• Experience working in an Agile environment (Scrum or Kanban).
• A proactive mindset, comfortable proposing improvements, identifying risks, and helping shape better ways of working.

Responsibilities

• Design, build, and maintain secure, scalable, and highly reliable backend services that power colleague benefits.
• Contribute to feature design and technical discussions for services owned by the team, ensuring solutions meet business and compliance requirements.
• Apply DevOps mindset by owning services end to end, including development, deployment, monitoring, and operational support.
• Troubleshoot production issues, perform root‑cause analysis, and implement robust long‑term fixes.
• Communicate progress, risks, and technical insights effectively within the team and wider Tesco stakeholders.

Skills

Java

Spring Boot

JVM

Azure

Terraform

CI/CD

Testing

GitHub Actions

ArgoCD

Kubernetes

Agile (Scrum/Kanban)

Tools

PostgreSQL

GitHub

Splunk

New Relic

Job description

Tesco Technology in Kraków is seeking a Backend Software Engineer to design, build and maintain secure, scalable microservices powering colleague benefits. You will own services end-to-end—from development to production support—working with a DevOps mindset across multiple teams.

We expect 4+ years in Java/JVM with Spring Boot, strong Azure cloud and Terraform IaC skills, solid testing, CI/CD, and Agile experience.