Software Development Engineer III - Customer Fulfilment

Tesco UK
• Welwyn Garden City
• Hybrid
• Full-Time
• Permanent
• Working hours 36
• Apply by 01-Oct-2026

We are in the process of building and rolling out our next generation, dynamic, scalable, and resilient Fulfilment platform for Tesco, to address both manual, and robotic powered automate fulfilment operations, across all the customer order fulfilment locations. This highly optimized and continuously improving fulfilment platform is designed to be used to fulfil all product categories - Grocery /GM and Fashion, of Customer Orders.

This platform, Fulfilment Point System (FPS), enables all the customer order fulfilment centres across different geographies to pick, marshal and dispatch customer orders on one hand and manage the site workflow through a real-time visualisation and intervention tool, on the other hand.

Ours is a globally distributed, full stack java tech team and our building blocks consist of a set of Microservice components, backend APIs, Rich UI, robust Eventing Platform and Data layer components utilising a wide range of modern technologies including:

• Java, RxJava, Spring Boot
• Kafka, Postgre
  
  SQL and Couchbase
• Docker, Kubernetes, Jenkins, Azure Dev Ops, Splunk, App Dynamics, New Relic
• Azure Cloud

We are responsible for the software throughout the lifecycle. We maintain a Dev Ops culture employing continuous integration and delivery, supporting our code through to production and beyond.

We are 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.
• This information is a shortened summary, refer to our policies for full details.

• Design and Develop:
  Architect and build high-performance applications.
• System Optimisation:
  Collaborate with cross functional teams to enhance system efficiency, scalability and reliability for mission critical applications.
• Integration:
  Develop APIs and microservices to integrated with enterprise API and third‑party platforms.
• Code Quality:
  Write clean, maintainable and well documented code, adhere to best practices and coding standards.
• Troubleshooting:
  Diagnose and resolve complex technical issues in real-time to ensure uninterrupted operations.
• Mentorship: guide junior engineers and foster culture of continuous improvement.
• Innovation &
  
  Collaboration:
  
  Stay ahead of industry, work closely with hardware, data scientists and operation team.

Experience relevant for this job:

• Previous experience of having done product development using agile methodologies.
• Hands‑on experience of building and supporting reliable and operationally robust full stack and distributed Java applications / products.
• Any previous experience of having contributed in a globally distributed software engineering teams would be a big plus.

• Programming
  • Demonstrate in depth knowledge of IDE, language, and toolset in language of choice.
  • Implement critical path components in a large or complex or project.
  • Demonstrate excellent understanding of language & framework and a good working knowledge of the abstraction layer underneath.
  • Comfortably test drive any feature/comfortable with TDD cycle.
  • Comfortably debug/find complex problems.
• Design
  • Identify and apply appropriate design patterns to problems.
  • Understand Idempotence.
  • Actively practice the boy scout principle, leaves design, code in a better state than when arrived.
  • Understand importance of domain model and can coherently model a problem domain within a given context.
  • Understand design patterns such as CQRS and eventual consist.
  • Understand how to design for performance at all levels.
• Development Practice
  • Automate everything by default.
  • Build a CI/CD pipeline.
• Tech Stack Specialization
  • Java, Spring boot
  • Kafka
  • Postgres
  • Couchbase
  • CI/CD:
    Azure pipelines / Git Actions.
  • Cloud:
    Azure

We are 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,  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.