Senior Software Engineer: Collections Venues
LSEG (London Stock Exchange)
Posted: April 21, 2026
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Quick Summary
Delivering high-performance financial market data applications, working with business analysts, quality assurance engineers, project managers, and operations staff in a fast-paced global environment.
Required Skills
Job Description
Want to get into the fast paced world of financial market data? The real time market data developer role creates real-time applications processing the world’s most critical financial data. Our high performance software must deliver from exchanges spread across the globe to our clients in just a few milliseconds while normalizing the data into a common format. Developers play a key role throughout an iterative and dynamic delivery cycle by working with business analysts, quality assurance engineers, project managers, and operations staff.
Team members will rapidly come up to speed on the latest proprietary Refinitiv technology and domain specific languages to deliver projects while also expanding their C++ knowledge. The projects are technically challenging in an environment that is very engaging. The strongest employees are typically known as problem solvers; individuals that take full ownership of problems and drive them through to completion. Learning is also an important aspect of every member of the team, and continued learning is strongly supported. Both Linux and Windows operating systems are in use with a heavy focus on Linux.
Responsibilities:
Work with business analysts to identify the best solution for meeting business requirements
Deliver high quality market logic normalization code and configuration
Ensure bug free software through automated regression testing, unit tests, and code reviews
Collaborate with QA and Operations to ensure successful integration into test and production environments
Qualifications
Experience with the full life-cycle software development experience
Experience with Java, C++, or C#
Strong understanding of object oriented development
Superb communication skills (written and oral)
Ability to collaborate in a team focused environment
Excellent analytical skills and a real passion for solving problems.
Ability to thoroughly test and debug code using test driven development
Ability to suggest/research new technologies and quickly adapt to change
Ability to work with both Technical Architects and Product Owners in order to build to specification
Object oriented design
Desired Skills
Experience with C++
Experience developing on Linux
Exposure to Agile methodologies
Experience with automated testing
Knowledge of scripting languages Python, Unix or Powershell shell scripts desirable
Knowledge of other languages such as JavaScript, Node.js
Experience with real-time programming
Adept at software design
Experience with debugging multi-threaded applications
Knowledge of/experience with design patterns
Real passion for continued learning and development
Understanding of financial markets, market data
Low Latency financial market data systems
Knowledge of DevSecOps
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.