Senior Software Java Engineer - Identity

Tesco Technology; Welwyn Garden City; Ibrido; GBP 70.000 - 110.000; Tempo pieno

Vantaggi offerti da questo lavoro

Annual bonus up to 20%

25 days holiday + personal day

Private medical insurance

26 weeks maternity & adoption leave

24/7 virtual GP & EAP

Descrizione del lavoro

Tesco Stores Limited is seeking a senior engineer to design and build high-performing, large-scale distributed systems. You will lead architectural decisions, mentor engineers, and collaborate with product teams to deliver secure, scalable solutions.

Join a DevOps culture that supports CI/CD and emphasizes TDD. Expect involvement across production systems, incident response, and driving improvements in reliability and performance within a hybrid UK role.

Competenze

• Expert proficiency in at least one major programming language (Java preferred).
• Significant experience designing, building and supporting large-scale distributed systems.
• Collaborative mindset and ability to work effectively within a cross-functional team.
• Strong understanding of software engineering principles (SOLID, design patterns).
• DevOps mindset with experience supporting production systems, incident resolution and root cause analysis.
• Experience leading technical initiatives and influencing decisions across multiple teams.

Mansioni

• Designing, building and maintaining high-performing mission-critical systems balancing scalability, security and resilience.
• Lead the technical design of complex features and initiatives, ensuring scalable and secure solutions.
• Partner with product managers to shape requirements and deliver business outcomes.
• Provide technical leadership across teams and drive key initiatives.
• Drive engineering excellence through high-quality software practices.
• Own production systems, lead incidents and root cause analysis to improve reliability.

Conoscenze

Java

Distributed systems

DevOps

Mentoring

Recruitment

Collaboration

Architectural design

Strumenti

Kubernetes

Azure

Kafka

PostgreSQL

Cassandra

Spring Boot

Descrizione del lavoro

The engineers in our team build the APIs that securely authenticate customers across all touchpoints with Tesco around the globe: online, over the phone, and in-store. You’ll focus on making our experiences as streamlined for customers as possible, by exploring innovative authentication factors to dynamically assess the risk of each individual customer session. Your work will often be at the heart of new propositions across the Tesco Group. All of this happens in a world where scale and resilience are critical – serving over a billion API calls every week in only a handful of milliseconds each!

The stack: Java, Kotlin, Spring Boot, PostgreSQL, Cassandra, Kubernetes, Azure, and Kafka

We are responsible for the software throughout the lifecycle; we maintain a DevOps culture, employing continuous integration and delivery, supporting our code through to production and beyond, as well as being firm believers in TDD.

You will be responsible for

• Designing, building and maintaining high-performing mission-critical systems, making architectural decisions that balance scalability, security, resilience and operational excellence.
• Leading the technical design of complex features and initiatives, ensuring solutions are scalable, resilient, secure, and aligned to our strategy.
• Partnering with product managers and the wider team to shape requirements, influence technical direction and deliver business outcomes.
• Providing technical leadership across teams, leading key initiatives and influencing technical direction.
• Driving engineering excellence through high-quality software development practices.
• Taking ownership of production systems, leading incident resolution and root cause analysis, and driving improvements to enhance reliability, security and performance.
• Sharing knowledge with the wider engineering community.
• Mentoring and supporting engineers and helping raise engineering standards.
• Contributing to recruitment and interview processes. Helping us to attract, assess and develop engineering talent.
• Strong understanding of identity and access management concepts, such as OAuth 2.0 and OpenID Connect (OIDC), would be advantageous.

You will need

• Expert proficiency in at least one major programming language (Java preferred).
• Significant experience designing, building and supporting large-scale distributed systems.
• A collaborative mindset and the ability to work effectively within a cross-functional team.
• Strong understanding of software engineering principles (such as SOLID, design patterns) and how to apply them to create well-structured, maintainable software.
• A DevOps mindset, with good experience of supporting production systems, resolving incidents, and performing root cause analysis.
• Experience leading technical initiatives and influencing engineering decisions across multiple teams.

Whats in it for you?

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.

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.

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