Senior Software Developer (Java) in London

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.

Role Summary: This position is for a Senior Software Engineer who will be accountable for the design and development of Real-Time library features that are used by customers to contribute or consume real time financial content. You will work with local/remote development team(s) to define software requirements, do technical design and implement software solutions. In this role, you should be able to work independently with little supervision. Your overall goal will be to develop high-quality software that is aligned with user needs and business goals.

What You’ll Be Doing:

• Producing, testing and debugging code based on design of Real-Time library features in Java
• Develop software and associated documentation from specified requirements
• Provide time & complexity estimates for given software feature implementation
• Build unit tests for your code for best coverage and review QA test plans which exercise the changes
• Identify, prioritize and complete tasks in a timely manner
• Develop and maintain tools and applications by producing clean, efficient code that follows open sourcing standards
• Automate tasks through appropriate tools and scripting
• Review and debug code
• Perform validation and verification testing
• Collaborate with internal teams and vendors to fix and improve products
• Collaborate with support to isolate issues in product and make fixes
• Document development phases and monitor systems
• Ensure software is up to date with the latest technologies and standards

What You’ll Bring:

• Must have: Bachelor’s Degree in Computer Science, Computer Engineering or equivalent degree. MS in Computer Science/related degree is a plus
• Proven experience as a Senior Software Engineer with extensive experience in software development (Java mainly or C++ mainly with basic Java)
• Solid understanding of selected programming languages: Java
• Experience with low level networking communication
• Experience in working with web socket and JSON frameworks
• Experience in working with TCP/IP and UDP multicast network protocols
• Knowledge of GitLab or GitHub or other source control system
• Knowledge of Jira
• Knowledge of Agile methodology
• Familiarity with various operating systems (Linux, Windows)
• Excellent organizational skills
• Analytical mind with problem-solving skill
• Ability to work independently

Nice to have:

• Familiarity with CI/CD pipelines and associated scripting
• Knowledge in other programming languages like python, C#, Ruby, R, Go, Node.js, and Perl is a plus
• Knowledge of large scale deployments is a plus: Kubernetes, Docker, Terraform
• Exposure to AI to optimize development tasks is a plus

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.

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.

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.

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.