Senior Java Engineer: Cloud, Scalable Systems & TDD

Tesco; Greater London; Hybrid; GBP 36,000 - 76,000; Full time

Benefits offered by this job

Annual bonus up to 20%

25 days holiday plus personal day and

Bank holidays

Private medical insurance

Maternity and adoption leave

Paternity leave

Wellbeing support including 24/7 вирту

Flexible working and inclusive hiring

Job summary

Tesco in London is seeking a software engineer with strong Java/JVM expertise to design and build end-to-end systems powering our pricing and promotions APIs.

You will translate product needs into clean, scalable code, write tests (TDD/BDD), apply SOLID principles, deploy infrastructure, and collaborate with product teams to refine features in a hybrid work model that combines office and remote work.

Qualifications

• Strong experience with Java 8+.
• Experience with cloud platforms such as Azure or AWS.
• Proficiency with SQL and NoSQL databases.
• Proven ability to scale systems.
• Familiar with Agile methodologies (Scrum, Kanban, Waterfall).
• Exposure to reactive programming paradigms.
• Bonus: experience with ecommerce or search systems.

Responsibilities

• Design and implement end-to-end systems using JVM and Java expertise.
• Translate product requirements into well-structured, maintainable code.
• Write test-driven features and follow the TDD and BDD cycle.
• Apply SOLID principles and cohesive design to build scalable software.
• Design, build, deploy, and maintain the required infrastructure.
• Collaborate with product stakeholders to shape and refine features.
• Support production systems, resolve incidents, and conduct root cause analysis.
• Mentor and support fellow engineers, fostering a culture of continuous learning.
• Share knowledge across the wider engineering community.
• Prototype and evaluate new tools and technologies.

Skills

Java 8+

Cloud platforms

SQL & NoSQL

Scalability

Agile methodologies

Reactive programming

Ecommerce experience

Tools

Java

JVM

Kubernetes

Kafka

RxJava

Terraform

AWS

Azure

GitHub

Groovy

Job description

Tesco in London is seeking a software engineer with strong Java/JVM expertise to design and build end-to-end systems powering our pricing and promotions APIs.

You will translate product needs into clean, scalable code, write tests (TDD/BDD), apply SOLID principles, deploy infrastructure, and collaborate with product teams to refine features in a hybrid work model that combines office and remote work.