Senior Frontend Developer

We are seeking a motivated, skilled and collaborative Frontend Developer who is ready to help us to make beautiful, elegant and responsive digital experiences at LSEG.

If that is who you are then our Digital Design capability at LSEG is looking for someone just like you to join our diverse team and be part of our Experience Engineering team of front end developers.

We are keen to find that special someone who will take delight in showcasing our FTSE Russell indices and data and will take personal satisfaction in making our collective vision come to life.

When you join you will find yourself working alongside a group of skilled, motivated and passionate people in design, accessibility, publishing and data visualisation. You will be an integral part of building brilliant, data-rich experiences for our customers. You will bind together our Forge Design System and our agile scrum teams experiences. You will learn and you will teach, and you will be part of a team that we are all proud of.

If you have strong skills in React, Node.js, accessibility (a11y), and Git, along with a passion for interactive charts, graphs, and data tables then tell us more about you and how you could help us.

Why not Join Us?

• Work on high-impact digital experiences for FTSE Russell and other LSEG experiences.

• Contribute to a design-led agile environment passionate about innovation and quality.

• Collaborate across the globe with our team of UX, engineering, and product owners

• Shape and extend our Forge Design System and React component library.

Key Responsibilities you can look forward to

• Develop and maintain customer facing digital applications using your front end skills and our Forge design system components.

• Implement data driven components and pages for FTSE Russell content using libraries such as D3.js, Highcharts, Chart.js, and ag-Grid.

• Collaborate with UX, QA, and delivery teams to ensure design consistency and technical quality.

• Apply best practices for performance, accessibility (WCAG), and responsive design.

• Manage version control and branching strategies using Git.

• Troubleshoot and resolve complex frontend issues.

• Know the latest to stay ahead of frontend technologies and trends.

Technical Skills that will help us to know it could be match

• React (primary), familiarity with Vue or Angular.

• Charting/Data Visualization: D3.js, Highcharts, Chart.js.

• Data Tables: ag-Grid or similar.

• CSS3 and Styling: SASS/PostCSS, modular CSS (BEM).

• Accessibility: WCAG compliance.

• Build Tools: Webpack, NPM/Yarn.

• Testing: JEST, Enzyme.

• Version Control & CI/CD: Git, Jenkins.

• CMS Platforms: Adobe Experience Manager (AEM) or Sitecore.

• API Integration: RESTful services.

• Adobe Experience Manager (AEM) front end components

Education and Experience that we like to hear about

• Bachelor’s degree in Computer Science or related field, or, if you have outstanding relevant experience, then let us know...

• Confirmed experience collaborating to build web applications using HTML5, CSS3, JavaScript, and modern frameworks (React is our core frontend development language).

• Experience with Git and agile development methodologies.

• Strong problem-solving skills using your technical knowledge and your collaboration behaviours

• Thoughtful communication practices to understand and unpick requirements into phenomenal solutions

We're proud to have been recognised as a Great Place to Work® in India ‘25

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 privacy notice 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, your rights and how to contact us as a data subject.

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.