Real-Time Software Engineer - Early Career

London Stock Exchange Group; St. Louis (MO); On-site; USD 90,000 - 120,000; Full time

Job summary

London Stock Exchange Group USA – St. Louis office seeks a Real-Time Software Engineer to join our development team.

This role is ideal for a recent graduate or an engineer with up to two years of professional experience who is passionate about software development and eager to learn new technologies. You'll design, develop, test, and maintain software applications, collaborate with product owners and stakeholders, write clean, well-tested code, and leverage AI-assisted development tools to

Qualifications

• Bachelor's degree or equivalent practical experience in CS/SE/CE.
• At least 2+ years of professional software development experience.
• Proficiency in at least one of C++, Python, Java, or C#.
• Strong fundamentals: OOP, data structures, and algorithms.
• Experience with AI-assisted development tools.

Responsibilities

• Design, develop, test, and maintain software applications and services.
• Collaborate with product owners, developers, architects, and stakeholders to deliver business value.
• Write clean, maintainable, and well-tested code.
• Participate in code reviews and design discussions.
• Troubleshoot defects, performance issues, and production problems.
• Utilize modern AI-assisted and agentic development tools to improve engineering productivity and software quality.
• Contribute to continuous improvement of development practices, automation, testing, and deployment processes.
• Learn new technologies and programming languages as required by project needs.

Skills

Object-oriented programming

Data structures and algorithms

Version control (Git)

Software testing principles

Debugging and problem solving

AI-assisted development tools

Communication skills

Education

Bachelor's degree in CS/Software/Engineering or equivalent

Tools

GitHub Copilot

OpenAI Codex

Claude Code

Job description

## Real-Time Software Engineer - Early CareerApply: USA-St. Louis-795 Office Pkwy: Full time: Posted Today: R0124057## About the RoleWe are seeking a Software Engineer to join our development team and help build high-quality software solutions that support critical business capabilities. This role is ideal for a recent graduate or an engineer with up to two years of professional experience who is passionate about software development, enjoys solving complex problems, and embraces modern AI-assisted engineering practices. We value strong engineering fundamentals, curiosity, and a growth mindset more than expertise in any specific programming language. Successful candidates may have experience in C++, Python, Java, or C# and should be comfortable learning new technologies as business needs evolve. ## Responsibilities* Design, develop, test, and maintain software applications and services.* Collaborate with product owners, developers, architects, and stakeholders to deliver business value.* Write clean, maintainable, and well-tested code.* Participate in code reviews and design discussions.* Troubleshoot defects, performance issues, and production problems.* Utilize modern AI-assisted and agentic development tools to improve engineering productivity and software quality.* Contribute to continuous improvement of development practices, automation, testing, and deployment processes.* Learn new technologies and programming languages as required by project needs.## Required Qualifications* Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related technical field, or equivalent practical experience.* At least 2+ years of professional software development experience outside internship experience* Demonstrated proficiency in at least one of the following languages: C++/ Python/Java /C#* Understanding of software engineering fundamentals including: Object-oriented programmingData structures and algorithmsVersion control (Git)Software testing principlesDebugging and problem solving* Experience using AI-assisted development tools for software engineering tasks.* Strong written and verbal communication skills.* Ability to work effectively in a collaborative team environment.## Preferred Qualifications* Internship, co-op, research, or personal project experience demonstrating software development skills.* Experience with agentic software development tools such as GitHub Copilot, Cursor, Claude Code, OpenAI Codex, Windsurf, or similar platforms.* Experience developing applications, services, APIs, or automation solutions.* Familiarity with cloud platforms such as Azure, AWS, or Google Cloud.* Experience with CI/CD pipelines and modern development practices.* Exposure to Agile software development methodologies.## What We're Looking ForWe are looking for engineers who:* Learn quickly and adapt to new technologies.* Use AI and agentic development tools as force multipliers while maintaining accountability for code quality.* Demonstrate strong analytical and problem-solving skills.* Take ownership of their work and actively seek feedback.* Collaborate effectively with teammates and stakeholders.* Show curiosity, initiative, and a passion for continuous improvement.## Interview Focus AreasCandidates will be evaluated on:* Software engineering fundamentals rather than language-specific expertise.* Practical coding ability in their language of choice.* Problem-solving and debugging approach.* Ability to leverage AI-assisted development tools effectively.* Communication and collaboration skills.* Learning agility and growth potential.