Principal Java Engineer - Retail

Mindera • London, England • Posted May 27, 2026

About the Role

At Mindera, we craft software with people we love. We’re looking for a Principal Java Engineer with strong Retail experience who can join our crew!

Please note: This is a six month contract that sits outside IR35. You will be required to work in Paddington 3 days a week.

What does the role involve?

  • Lead technical deep dives and knowledge sharing in the teams, anticipating challenges and proposing solutions
  • Start influencing product and business decisions

    • Hands-on Software Development:

  • Write high-quality Java code using frameworks such as Spring Boot or Micronaut.
  • Build robust services that support secure, high-volume payment transactions.
  • Develop integrations with acquiring banks, payment gateways, and fraud detection tools.

    • Cloud & DevOps Practices:

  • Build and support cloud-native systems on the cloud (preferably Azure) using Terraform and Kubernetes.
  • Manage CI/CD pipelines using Git...