Senior Software Java Engineer - Customer API
Tesco
TescoWelwyn Garden City, AL7 1GAView on map(opens Google Maps in a new tab)
Pay
See original advert
Contract
Permanent
Hours
36 hrs/week · Full-time · Flexible
Closing date
1 December 2026
38 days leftJob description
Senior Software Development Engineers (SDEs) are the creative minds developing the software applications that make life easier for customers. Responsible for the entire development and support process for a software programme. Your applications make previously complex tasks simple with the impact ranging from saving time, effort or money to re-defining normal.
- While specific responsibilities will evolve with Tesco’s business needs, the role’s key areas of impact include:
- 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.
- Utilize data-driven decision-making, balancing short-term and long-term goals, and accepting appropriate trade-offs.
- Apply Tesco architectural standards and best practices, including security-first thinking and use of tools for vulnerability management and secure coding.
- 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.
- Experience in delivering Java (or any other JVM language), good to have: JS, TypeScript
- Spring Boot or Micronaut
- Azure, Terraform for infrastructure automation
- Microservices
- SQL (PostgreSQL), NoSQL databases, e.g. Cosmos DB or Couch DB
- Splunk, xMatters, New Relic etc.
- GitHub
- Zendesk & JIRA
- Solid experience in delivering Java or other JVM languages; familiarity with JS/TypeScript is a plus.
- Experience with cloud platforms (Azure, AWS) and infrastructure automation (Terraform).
- Good understanding of SQL (PostgreSQL) and NoSQL databases (e.g., Cosmos DB).
- Familiarity with monitoring and alerting tools (Splunk, xMatters, New Relic).
- Experience working with Agile methodologies (Scrum/Kanban)
- Good English communication skills
- Experience in system design
- Experience in taking ownership of a project and leading a team from technical/ project perspective
- Proactive attitude
You might know us as a supermarket, technology company or even for our award-winning mobile network. Truth is, we’re all of those things, and much more. 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.
We always welcome a conversation about flexible working, so talk to us throughout your application about how we can support.
We're proud to be an accredited Disability Confident Leader, where everyone’s welcome. That’s why we commit to providing a fully inclusive and accessible recruitment process. If you need support with your application, click here for more information. And if you're interested in joining our team but don't tick every box, don't let that hold you back from applying.
How to apply
Applications are handled entirely by the employer on the original advert. We do not collect CVs, supporting statements or application data.
Provenance
Source
Tesco
First seen
15 October 2026
Last checked
24 October 2026
Salary, closing date and description are taken from the employer's advert. The original advert always takes precedence.
About the employer
Retailer
This listing was structured from Tesco. Vacancy details and the application process remain the responsibility of the original source.
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