Lead Software Engineer - St. Louis Office

London Stock Exchange Group; Creve Coeur (MO); On-site; USD 140,000 - 200,000; Full time

Benefits offered by this job

Healthcare benefits

Retirement planning

Paid volunteering days

Job summary

London Stock Exchange Group is seeking a Lead Engineer to build enterprise-grade software addressing complex financial services challenges. You will mentor engineers, shape architecture, and drive AI-assisted engineering practices across cloud platforms. A Bachelor’s degree and a track record in high-scale systems are expected.

The role emphasizes collaboration across regions/time zones and continuous learning in a dynamic, innovation-focused environment.

Qualifications

• 6+ years of experience as a software engineer.
• Strong expertise in software architecture, system design, scalability, reliability, and performance.

Skills

Java

Python

C++

C#

Education

Bachelor’s degree in Computer Science or related field

Tools

CI/CD

AWS

Azure

Job description

The Opportunity

We are seeking a passionate Lead Engineer to help us build robust, enterprise-grade solutions that drive real-world impact. Our problems are complex from building AI-powered analytics that are constantly evolving, to challenges that define modern finance, giving engineers the opportunity to stretch their craft and shape solutions that matter. Our software engineers have a strong appetite for innovation, new technologies, and AI, both in how we accelerate engineering and in how we create smarter, more valuable experiences for our customers. We encourage curiosity, experimentation, and continuous learning, giving our teams the opportunity to solve complex challenges at scale.

What We Look For

We place great value on technical excellence and a drive for continuous learning. Experienced Software Engineers 6+ years of experience with one of the following technologies – Java, Python, C++ or C# Demonstrated ability to mentor and develop engineers, fostering a culture of technical excellence, continuous learning, and innovation. Strong expertise in software architecture, system design, scalability, reliability, and performance optimization for enterprise-grade applications. Experience driving the adoption of AI-assisted engineering practices and evaluating emerging technologies to improve developer productivity and product innovation. Strong experience with CI/CD, unit testing framework and automation (testing/deployment) in cloud platforms such as AWS or Azure Curiosity about AI and a strong interest in how emerging technologies can be applied to solve complex software engineering problems. Prior Financial Services or Big Tech experience preferred Bachelor’s degree in Computer Science, Engineering and related field or relevant experience Excellent problem-solving skills and a proactive approach to identifying and resolving issues Willingness to learn and work with new technologies across the full stack Strong teamwork and communication skills, with the ability to collaborate optimally with cross-functional teams across multiple regions and timezones.

Career Stage: Manager

London Stock Exchange Group (LSEG)

Information: Join us

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. Our Data & Analytics, Capital Markets and Post Trade divisions have a comprehensive, integrated suite of trusted financial market infrastructure services to help our customers pursue their ambitions. Explore our divisions LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across Europe, the Middle East, Africa, North America, Latin America and Asia Pacific. Find out more Get to know some of our people who are pushing the boundaries of technology, finance and more around the world.