Senior Software Development Engineer III - Profile Connect

Tesco UK; Welwyn Garden City; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Tesco Stores Limited is seeking an SDE3-level software engineer in the UK to contribute to mid-to-senior level features, provide technical leadership, and own end-to-end delivery. You will work across development, testing, and operations to ensure robust and scalable solutions.

The role emphasizes design collaboration, security-first practices, and mentoring colleagues while building and prioritizing your own work within a dynamic team at Tesco.

Qualifications

• Solid Java or JVM language experience.
• Cloud platforms (Azure, AWS) and Terraform familiarity.
• SQL (PostgreSQL) and NoSQL (Cosmos DB) experience.
• Monitoring tools (Splunk, New Relic) familiarity.
• Experience with Agile methodologies (Scrum/Kanban).
• Strong English communication skills.
• Experience in system design and ownership.

Responsibilities

• Develop high-quality software in Java; participate in design and delivery of features.
• Lead end-to-end stories and support other engineers.
• Advocate CI/CD best practices for seamless delivery.
• Maintain clear documentation to support design and development.
• Apply security-first practices and Tesco architectural standards.
• Mentor engineers, foster growth and collaboration.
• Automate workflows and build tools to improve efficiency.

Skills

Java

JavaScript

TypeScript

System design

Ownership

Proactive attitude

Tools

Terraform

Snyk

Apiiro

Splunk

New Relic

GitHub

Jira

Zendesk

Job description

As an SDE3 at Tesco, you are a mid-level individual contributor whose impact reaches across your team. You provide technical leadership for medium to large features, participate in their design, and take accountability for delivery. You are expected to implement and ship end-to-end stories, support other engineers, and start to build and prioritize your own work by understanding team problems and proposing solutions. This role is a steppingstone towards SDE3, with a focus on career development and technical growth.

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 like Snyk and Apiiro 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.

• Languages: Experience in delivering Java (or any other JVM language), good to have: JS, TypeScript
• Frameworks: Spring Boot or Micronaut
• Cloud: Azure, Terraform for infrastructure automation
• Architecture: Microservices
• DB: SQL (PostgreSQL), NoSQL databases, e.g. Cosmos DB or Couch DB
• Monitoring & alerting: Splunk, xMatters, New Relic etc.
• VCS: GitHub
• Zendesk & JIRA

Requirements:

• 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.

When you join us in this role, you'll be employed by Tesco Stores Limited, the Tesco legal entity responsible for your employment.