Principal Software Engineer (Python)

London Stock Exchange Group; Greater London; Hybrid; GBP 65,000 - 85,000; Full time

Job summary

A leading financial markets infrastructure company in Greater London is seeking an experienced Software Engineer. The ideal candidate should have expert-level Python skills and extensive experience in software engineering with a focus on designing scalable systems. You will work collaboratively with product and research teams and have a strong understanding of cloud technologies, primarily Azure. This role offers a hybrid working model, allowing flexibility and a robust benefits package that supports your career growth.

Benefits

Market leading compensation package

Healthcare benefits

Paid volunteering days

Wellbeing initiatives

Qualifications

• Extensive experience in software engineering focused on high-performance systems.
• Experience working cross-functionally with Product and Research teams.
• Proven ability to uphold coding and design standards.

Responsibilities

• Combine strategic thinking and problem-solving in product development.
• Collaborate with ML and Data Science teams to productionize ML solutions.
• Ensure seamless delivery using cloud technologies.

Skills

Expert-level Python skills

Problem-solving skills

Experience in cloud technologies

Knowledge of DevOps

Education

Degree in Engineering, Computer Science, Data Science, Statistics, Mathematics, or Physics

Job description

Role profile: Role summary: You will combine strategic thinking, strong problem-solving skills, and a collaborative approach to ensure your team successfully ships great products. This is a hands-on, individual contributor role Essential skills: Expert-level Python skills Extensive experience in software engineering with a focus on designing and implementing high-performance, scalable systems. Experience working cross functionally with Product and Research teams Experience in cloud technologies (emphasis on Azure) and deployment practices, ensuring seamless and scalable delivery. Experience working with ML and Data Science teams and productionizing ML solutions. Proven ability to uphold coding and design standards to ensure high-quality, maintainable code. Effective communication skills, with experience communicating with both technical and non-technical colleagues Working knowledge of DevOps, including CI/CD pipelines, automated testing, and monitoring Experience in Fintech is a plus Education Degree in Engineering, Computer Science, Data Science, Statistics, Mathematics, Physics or related field, or equivalent work experience **Competitive benefits**: We offer a market leading compensation package, great benefits, and ongoing investment in career growth and skill development. We recognize that to attract the best talent, we need to be flexible, and we are open to discussing work arrangements with you. We take a hybrid approach to the workplace; this role is considered ‘digital first’, which requires attending the office at least one day per week while some teams and colleagues choose to collaborate in the office more frequently. LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives. 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.LSEG (London Stock Exchange Group) 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 culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential.