Principal Engineer, Front-End Technologies

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.

As a Principal UI Engineer in Benchmarking and Indices Division for LSEG, the individual will have strong UI engineering and architecture experience. Potential candidate will be responsible to work closely with business to gain deep understanding of complex user journeys, workflows and data interactions involved in Index business lifecycle so to come up with outstanding user interfaces using modern UI technologies.

This role will report to Head of Engineering and is encouraged to work with both internal and external index business stakeholders and varied technology teams involving UI engineers/developers, Product Owners.

You will take ownership of establishing the technical standards, architectures, and front-end frameworks for a team of 10+ Engineers. You will ensure the seamless integration of microservices through REST APIs and push the boundaries of front-end development with advanced Angular features and modern web technologies. You will quickly deliver Proof of Concepts (PoCs), guide complex technical decisions, and drive discussions that elevate engineering capabilities across the organization.

Key Responsibilities:

Design modular, reusable components and architect dynamic, data-driven applications using brand new technologies like WebAssembly and Web Workers for enhanced performance.

Actively engage in architecture reviews, providing leadership in decisions around microservices communication, front-end frameworks, and performance optimization.

Qualifications:

Demonstrated ability to rapidly develop and iterate Proof of Concepts (PoCs) with a focus on high-quality delivery.

Additional Qualifications:

Bachelor’s or master’s degree or equivalent experience in computer science, Engineering, or a related field.

Experience with cloud based solutions and deployment on platforms like AWS

Prior experience of applications that got re-written from Silverlight to Angular

Familiarity with DevOps practices and tools such as Docker, Kubernetes, and CI/CD pipelines.

Hands-on experience with CI/CD pipelines, automated testing frameworks, and implementing continuous integration and delivery.

Type of Person:

Strong and able communicator with creative outlook

Excellent Communication and Presentation Skills

Creative, results driven, self-motivated, and solutions oriented

Articulate, upbeat, able to work alone or as part of a team

Excellent attention to detail but an ability to think laterally to solve business problems

Excellent organization and time management skills

Experience of managing or influencing key decision makers

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. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

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.

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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.