C++ Software Engineer
LSEG· enterprise· Financial Data & Infrastructure· Dec 15, 2025 · 11mo agoPosted 316 days ago
USA-St. Louis-795 Office Pkwy
In office
Full-time
Mid
$96K–$160K
3+ years exp
Before you apply
Ghost Signal:
Open since December 15, 2025 — 316 days, and still accepting applications.
Job description
LSEG offers essential platforms, financial data services and trading venues for various clients such as businesses, governments, and investors around the globe.
The real-time market data, indices, analytics, and news services LSEG supplies allows traders and investors understand market conditions and trends. We deliver the infrastructure, data, and analytics that market participants rely on to make confident, informed investment decisions.
LSEG is dedicated to empowering economies and enabling sustainable growth by incorporating environmental, social, and governance (ESG) factors into its operations and offerings.
Within LSEG’s Data and Analytics division, the Real-Time Distribution Development team plays a vital role in supporting LSEG’s financial data distribution and fanout components.
We have responsibility for the design, implementation and continuous improvements of complex, low latency, high throughput software that makes the LSEG financial data distribution reliable, scalable and geographically resilient. Whether you are passionate about our consistently modernized on-prem enterprise solutions or tackling the challenges on our cloud applications in AWS and Azure, we have a place for you!
Our team thrives on inclusion, innovation, and high performance. Join us, and help shape the future of LSEG’s platforms and services!
Job responsibilities:
· Design of software modules; implementation in C , unit testing, integration testing, performance testing along with software packaging and configuration management.
· Participates in code/design reviews.
· Contributes toward product and internal documentation – technical specifications, software documentation and unit test plans.
· Assists in resolution of field problems as needed
· Partners with Quality Assurance to ensure high quality software, write Robot framework test cases using Python based key words
Qualifications
· 3 years of computer software development experience
· Experience developing in C and/or other Object Oriented programming languages, in a multi-threaded environment and real-time streaming type applications.
· strong working experience and troubleshooting skills in Linux.
· Familiarity with network programming and strong knowledge of networking concepts and protocols(TCP/IP, UDP, multicast).
· Strong written & verbal communication skills
· Experience with Cloud technology (AWS/AZURE) is a plus.
· Experience with Java multithreaded programming is a plus.
Career Stage:
Senior Associate
Compensation/Benefits Information:
LSEG is committed to offering competitive Compensation and Benefits. The anticipated base salary for this position is $95,700 - $159,700.
Please be aware base salary ranges may vary by geographic location, city and state. In addition to our offered base salary, this role is eligible for our Annual Incentive Plan (AIP/”bonus plan”). Target AIP rates will be commensurate with role level and posted career stage. Individual salary will be reflective of job related knowledge, skills and equivalent experience. LSEG roles (excluding internships and part-time roles of less than 20 hours per week) are typically eligible for inclusion in our LSEG Benefits program, which includes offerings of: Annual Wellness Allowance, Paid time-off, Medical, Dental, Vision, Flex Spending & Health Savings Options, Prescription Drug plan, 401(K) Savings Plan and Company match. LSEG’s Benefits plan also includes basic life insurance, disability benefits, emergency backup dependent care, adoption assistance commuter assistance etc.
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.
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Keywords to mirror
awsazurepythonjavago
- Platform
- workday
- Effort
- long
Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Wellness