Senior Software Engineer Backend Contact Team

Tesco Technology Kraków 2026-10-08
You will need
  • Around 6+ years of experience in delivering Java
  • Experience working with Agile methodologies (Scrum/Kanban)
  • Good English communication skills
  • Experience with Azure, AWS or other cloud solutions, Terraform
  • Experience in system design
  • Experience in taking ownership of a project and leading a team from technical/ project perspective
  • Proactive attitude
Unsure if you fit all the criteria? Apply and give us the chance to evaluate your potential – you could be the perfect fit!
About the role

The Contact team is part of Customers API, the platform that holds core data about Tesco customers and powers personalized customer communication and experiences across Tesco. The platform processes around 500 million customer attribute updates every week and continues to grow as Tesco increases the scale, relevance, and personalization of customer engagement. Built as a cloud-native microservice architecture on Azure, the platform uses Azure Service Bus for event-driven processing, PostgreSQL for data storage, and is currently evolving from Azure App Services towards Kubernetes to support the next stage of scalability and resilience.

The role will focus on solving real-world scalability and performance challenges in a modern service with low technical debt, while contributing to the team’s migration to Kubernetes and continued evolution of its architecture. Looking ahead, the team will also explore how to leverage the data in the platform using LLMs, embeddings, new database technologies, and UI capabilities to reduce the time needed to create new customer audiences.


What is in it for you

Hybrid work

We know life looks a little different for each of us. That’s why at Tesco, we always welcome chats about different flexible working options. Some people are at the start of their careers, some want the freedom to do the things they love. Others are going through life-changing moments like becoming a carer, adapting to parenthood, or something else. So, talk to us throughout your application about how we can support.

This role requires you to be based in or near Kraków, as you will spend 60% (3 days) of your week collaborating with colleagues at our office locations or local sites and the rest remotely.

Benefits

Tesco is a diverse and exciting employer, dedicated to being #aplacetogeton, providing career-defining opportunities to all of our colleagues. If you choose to join our business, we will provide you with (for all):

  • Up to 20% yearly salary bonus – based on both individual and business performance
  • Permanent contract from the go – as a sign of our trust in your abilities
  • Tax deductible expenses (IP)
  • Private healthcare (LuxMed)
  • Cafeteria & Multisport
  • Additional 4 days of paid leave to support your well-being and family life
  • Increase in annual leave (from 20 to 25 days) to those not yet eligible for the full holiday entitlement
  • Learning opportunities - certified technical training and learning platforms like Udemy
  • Back-to-school day – 1 day off for parents of primary school children
  • Fertility leave – up to 2 weeks of paid leave for IVF treatment
  • Sports activities with a personal trainer in the office
  • Referral Bonus
  • MacBook as your tool for work
  • PetHelp – support and care for your pets

If that sounds exciting, then we'd love to hear from you!

Tesco is committed to celebrating diversity and everyone is welcome at Tesco. As a Disability Confident Employer, we’re committed to providing a fully inclusive and accessible recruitment process, allowing candidates the opportunity to thrive and inform us of any reasonable adjustments they may require


About us

Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues.
At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you.
Tesco is committed to celebrating diversity and everyone is welcome at Tesco. As a Disability Confident Employer, we’re committed to providing a fully inclusive and accessible recruitment process, allowing candidates the opportunity to thrive and inform us of any reasonable adjustments they may require.
,[ Developing high-quality software solutions, with proficiency in Java (Spring Boot or other frameworks). , Working with Microsoft Azure and Terraform (Infrastructure as Code) or demonstrating a willingness to learn. , Implementing and advocating CI/CD best practices for seamless software delivery. , Maintaining high-quality documentation to support development processes and system design. , Ensuring solutions are robust, scalable, and efficient. , Taking ownership of systems, driving reliability, maintainability, and performance. , Mentoring and supporting fellow engineers, fostering a culture of growth and collaboration. , Automating workflows and building tools/scripts to enhance efficiency. ] Requirements: Java, SQL, NoSQL, Cloud, Spring, Docker, Kubernetes, Azure Additionally: Private healthcare, International projects, Small teams.
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