Senior Software Engineer - Backend (Contact)

Tesco Technology; Kraków; Hybrid; PLN 290,000 - 368,000; Full time

Benefits offered by this job

Yearly bonus up to 20%

Permanent contract

Tax deductible expenses

Private healthcare

Cafeteria & Multisport

Additional paid leave

Annual leave increase to 25 days

Learning platforms Udemy

Back-to-school day

Fertility leave

On-site fitness

Referral bonus

MacBook

Job summary

Tesco Technology's Contact team in Kraków is hiring a Senior Software Engineer to design, build, and maintain scalable Java services processing large customer data. You'll work with Azure, Terraform, and CI/CD, help migrate to Kubernetes, mentor engineers, and contribute to high-impact, data-driven features enabling personalized Tesco experiences.

This hybrid role requires 6+ years of Java experience, strong English, and ownership mindset, with 60% office collaboration in Kraków.

Qualifications

• Around 6+ years of experience delivering Java applications.
• Experience 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 perspective.
• Proactive attitude.

Responsibilities

• Developing high-quality software solutions, with proficiency in Java (Spring Boot or other frameworks).
• Working with Microsoft Azure and Terraform (Infrastructure as Code) or 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.

Skills

Java

Agile (Scrum/Kanban)

English communication

Azure / Terraform

System design

Leadership

Proactive attitude

Job description

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.

Senior Software Engineer in this team will be responsible for
designing, building, and maintaining highly scalable services that process
large volumes of customer data while keeping the platform reliable, performant,
and maintainable. 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. This
is an opportunity for a senior engineer to work on a business-critical platform
that directly enables personalized experiences for Tesco customers at massive
scale.

You will be responsible for

• 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.

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

Whats in it for you?

Salary

UoP 26 000 - 33 000 PLN gross/month

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

• 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 leaveto support your well-being and family life
• Increase in annual leave (from20 to 25 days) to those not yet eligible for the fullholidayentitlement
• 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 activitieswith a personal trainer in the
  office
• Referral Bonus
• MacBookas your tool for work

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.

What our colleagues like the most at Tesco:

• We develop our own products
• We make an impact; large scale
  of operation
• Accountability and respect are
  given to us
• We cooperate and support each
  other
• There are great colleagues who
  are divided into small teams here
• We can develop and learn new
  things

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

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.