Senior .Net Engineer - Time Product Engineering

Position: Senior .Net Engineer - Real Time Product Engineering
Location: St. Louis

Senior Software Engineer – St. Louis Companies across the world face fast‑changing risks. Understanding and responding to those risks is essential to long‑term success. As part of our St. Louis engineering team, you will help deliver solutions that empower customers to protect their brand, make confident decisions, and move quickly in a complex environment.

We’re seeking a collaborative, motivated Senior Software Engineer who enjoys solving substantial problems, supporting other teams, and contributing to a culture of excellence. If you thrive in an empowered environment and want to make an impact on financial systems used across the organization, you’ll be an excellent fit.

What You’ll DoAs part of the Tools Team, you’ll work closely with internal development groups, business analysts, and quality engineers. Your work will directly support the tools and utilities that enable teams to deliver high‑quality  this role, you will:

Build, maintain, and improve tools that help internal teams work more effectively.

Collaborate with multiple collaborators, each with their own priorities, in a dynamic environment.

Participate in and lead code reviews to support consistent engineering standards.

Help ushers LSEG’s progress toward full Dev Ops adoption.

Develop scalable, future‑focused solutions in partnership with the architecture team.

Work across multiple computer stacks and technology.

Develop a strong understanding of the financial domain to support partner teams.

This position is ideal for someone who enjoys learning, adapting, and helping others succeed.

Required Experience Bachelor’s degree in Computer Science, Software Engineering, or a related field5+ years of software development experience

Experience with multiple programming languages (e.g., C#, C++)Strong understanding of Agile, Scrum, and Dev Ops practices

Validated knowledge of data structures, algorithms, and design patterns

Experience with version control systems (e.g., Git, DX1)
Proficiency with databases and SQLStrong analytical and problem‑solving skills

Excellent communication and collaboration skills

Preferred Skills

Experience with scripting languages (e.g., Python, Perl)
Familiarity with cloud platforms (AWS, Azure, or Google Cloud)
Knowledge of containerization and orchestration (Docker, Kubernetes)

Experience with automated testing frameworks

Experience using AI tools to accelerate development

We encourage the use of AI, including tools like Copilot, to improve efficiency and code quality.

Ability to evaluate new AI tools and make suggestions on how they can enhance team efficiency

Experience integrating AI‑powered automation into development workflows

Familiarity with prompt‑engineering techniques to get the most from AI coding assistants

What We Offer Comprehensive health and wellness benefits

Flexible working hours and remote‑work options

Paid time off for vacation, holidays, and sick leaveA supportive, creative, and growth‑focused work environment with opportunities for career advancement

Join us as we reshape the future of financial markets—and build tools that make a real impact.

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…