Senior Software Development Engineer III - Profile Connect in Welwyn Garden City

About the role

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.

• 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.

You will need

• 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

Benefits

We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work.

• Annual bonus scheme of up to 20% of base salary.
• Holiday starting at 25 days plus a personal day (plus Bank holidays).
• Private medical insurance.
• 26 weeks maternity and adoption leave (12 months service required at the qualifying date) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave.
• Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing.

The above information is a shortened summary, refer to our policies for full details

About Us

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, And if you're interested in joining our team but don't tick every box, don't let that hold you back from applying.

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

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