Senior Software Engineer (Full stack JavaScript)

About Us

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.

Role Summary

LSEG Workspace is our flagship financial platform - a Desktop, Web, and Mobile SaaS solution providing unparalleled insights across the full breadth of LSEG data.

Page Express is a business-critical content management and publishing platform that powers content experiences across LSEG Workspace. It enables internal users to create, manage, and publish pages, articles, and navigation that are consumed directly by Workspace users. The platform integrates with a wide range of data sources and components to deliver content-driven applications at scale, with both authoring capabilities (Page Express Admin) and customer-facing services that render and distribute content across the Workspace ecosystem.

We are looking for a highly skilled and motivated Senior Software Engineer to join Page Express team, as part of Workspace Engineering in Bucharest. Our team accelerates business innovation by crafting reusable solutions that support digital journeys, handle upgrade workflows and enable safe, gradual feature rollouts across user segments.

You will be responsible for front-end and back-end development. We are solution engineers with simplicity, consistency and reusability in mind first, and coding second. You’ll collaborate with software & quality engineers within our squad and across the business to build impactful capabilities across the customer digital journey.

What You’ll Bring

Must have:

• 5+ years of professional experience in software development
• Proficiency in JavaScript, TypeScript and Node.js
• Practical experience with front-end frameworks e.g. Angular, React
• Experience with cloud platforms (Azure and AWS)
• Prior experience with CMS solutions
• Expertise developing REST API
• Experience with CI/CD pipelines and DevOps practices

Nice to have:

• Exposure to serverless architecture and event-driven systems
• Knowledge of security and compliance standards
• Experience with Java

What You’ll Be Doing

Software Development

• Design, develop, and maintain web & desktop solutions ensuring scalability, security, and high performance
• Write clean, efficient, well-tested and well-documented code
• Conduct code reviews and establish standard processes for software development

System Design and Architecture

• Architect, deploy, and run web & cloud-based applications
• Optimise cloud infrastructure for cost-efficiency and performance
• Lead architectural decisions for front-end and back-end systems, ensuring alignment with business goals and technical requirements
• Collaborate with Product, Design, DevOps to build end-to-end solutions
• Identify and resolve performance bottlenecks and system issues
• Implement robust monitoring and alerting solutions

Project Management

• Participate in sprint planning, task estimation, and roadmap development
• Ensure timely delivery of projects, meeting both technical and business objectives

Benefits

We are looking for intellectually curious people, passionate about the bigger picture of how technology industry is evolving, ready to ask difficult questions and deal with complicated scenarios! If you are creative and a problem solver, this is the place to be as will be supporting you to fast-forward your career!

We maximise each employee’s potential through personal development through a wide range of learning tools both formal and informal. We believe in remunerating our people with competitive salaries and a range of attractive benefits such as:

• 25 days’ holiday per year

• 1 additional day off for your Birthday

• Annual wellness allowance

• Share Purchase Plan

• Medical Health Insurance

• Medical Subscription (preventive medical services)

• Life insurance

• Pillar 3 Private Pension

• Meal Vouchers

• Flexible Benefits

• Bookster

• Volunteering Events

• All LSEG colleagues with at least one year’s continuous service, who become parents, are now entitled to at least 26 weeks’ paid leave, and the option to return to work on a phased basis, in relation with specific company’s policy and guidelines

Career Stage:

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.