Senior SDET

London Stock Exchange Group; Nottingham; On-site; GBP 55,000 - 75,000; Full time

Job summary

A leading financial markets organization in Nottingham is looking for a Senior Quality Engineer. The role involves defining testing standards for Java microservices and AWS Lambda functions. Candidates should have strong Java skills, knowledge of microservices testing, and AWS platform experience. Collaboration with other engineers is key to ensuring quality throughout the development process. Join a team that values innovation, quality, and continuous improvement, and help drive financial stability and sustainable growth.

Benefits

Healthcare

Retirement planning

Paid volunteering days

Wellbeing initiatives

Qualifications

• Strong experience in Java development and test automation.
• Knowledge of microservices testing strategies.
• AWS platform knowledge, including Lambda and API Gateway.

Responsibilities

• Enable teams to maintain a robust microservices testing strategy.
• Support engineers in running containerized services locally.
• Collaborate to enhance CI/CD pipelines.

Skills

Java development and test automation

Microservices testing strategies

AWS platform knowledge

CI/CD pipelines knowledge

Strong communication skills

Tools

Docker

Kubernetes

Terraform

Pact

Rest-Assured

Selenium

Job description

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG.## **OUR PEOPLE:**People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.We know that real personal growth cannot be achieved by simply climbing a career ladder – which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers!!## **ROLE SUMMARY:**As a **Senior Quality Engineer**, you will join a central Quality Enablement team, where you’ll define standards for automated testing across our Java microservices and Python-based AWS Lambda functions.## ## You will:* Enable teams to maintain a robust microservices testing strategy, covering unit, component, contract, and simple, maintainable end‑to‑end tests* Support engineers in running containerised services locally (e.g., Podman, Dev Containers) to reduce integration issues and keep pipelines reliable within a trunk‑based development workflow* Collaborate closely with developers, analysts, and fellow engineers to embed quality early, continuously improve frameworks, and enhance CI/CD pipelines## **WHAT YOU'LL BE DOING:**Build and maintain automated tests using:* Java (JUnit, Rest-Assured)* Pact for contract testing* Sometimes tools like Selenium, Cypress, and Playwright for UI testing (where applicable)* Integrate tests into CI/CD pipelines to support trunk-based development* Explore new tools and approaches to improve coverage and reliability## **WHAT YOU'LL BRING:*** Strong experience in Java development and test automation* Knowledge of microservices testing strategies* AWS platform knowledge, including Lambda (for integration), API Gateway, S3, CloudWatch, and IAM* Familiarity with CI/CD pipelines and trunk-based development* Strong communication skills and a passion for continuous learning* Experience of performance testing large distributed applications* Exposure to containerization & Orchestration: Docker, Kubernetes, EKS* Infrastructure as Code: Terraform, CloudFormation* Service Resilience: Exposure to test strategies like fault injection, resiliency measures such as circuit breakers or networking layers like service mesh* Advanced testing tools: Pact, Rest-Assured, Mockito, Localstack* Observability: Distributed tracing and monitoring in microservices**Career Stage:**Senior Associate**London Stock Exchange Group (LSEG) Information:**Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.Our purpose is the foundation on which our culture is built. Our values of **Integrity, Partnership**, **Excellence** and **Change** underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.Please take a moment to read this carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, .If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential.