Senior Python Engineers - 200k Base

Oliver Bernard; Greater London; Hybrid; GBP 150,000 - 200,000; Full time

Benefits offered by this job

Bonus opportunity

Job summary

Oliver Bernard is seeking an experienced Senior Python Engineer to join a leading financial services client in London. You will design, build and scale high-performance Python applications within a fast-paced, data-driven environment.

The role offers a hybrid pattern (4 days in the London office and 1 day from home) with a salary up to £150,000–£200,000 plus bonus. You will mentor engineers, contribute to architecture and collaborate with traders, quants and business stakeholders.

Qualifications

• Extensive professional experience with Python and modern development practices.
• Experience designing scalable distributed systems.
• Experience with APIs, data-intensive applications, testing, CI/CD.

Responsibilities

• Design, build and maintain high-performance Python applications and services.
• Develop robust, scalable and production-quality software.
• Work closely with quantitative, trading, technology and business stakeholders.
• Contribute to technical architecture and engineering best practices.
• Optimise systems for performance, reliability and scalability.
• Write clean, maintainable and well-tested code.
• Mentor other engineers and contribute to a strong engineering culture.
• Troubleshoot complex production and technical issues.

Skills

Python

Distributed systems

APIs

CI/CD

Testing

Communication

Problem solving

Job description

Working Pattern: 4 days per week in the London office, 1 day WFH

Salary: Up to £150,000 - 200,000 + bonus

The Opportunity

We're looking for an experienced Senior Python Engineer to join a high-performing technology team within a leading financial services client in London.

This is an excellent opportunity for a strong Python engineer who enjoys solving complex technical problems, building scalable systems and working in a fast-paced, high-performance financial environment.

Key Responsibilities

• Design, build and maintain high-performance Python applications and services.
• Develop robust, scalable and production-quality software.
• Work closely with quantitative, trading, technology and business stakeholders.
• Contribute to technical architecture and engineering best practices.
• Optimise systems for performance, reliability and scalability.
• Write clean, maintainable and well-tested code.
• Mentor other engineers and contribute to a strong engineering culture.
• Troubleshoot complex production and technical issues.

About You

• Extensive professional experience with Python and modern Python development practices.
• Strong software engineering fundamentals and experience designing scalable systems.
• Experience working with distributed systems, APIs and/or data-intensive applications.
• Strong understanding of testing, CI/CD and software development best practices.
• Comfortable working in a demanding, collaborative environment.
• Excellent communication and problem-solving skills.
• Previous experience within financial services, banking, trading, investment management or another high-performance technology environment is highly desirable.

What's on Offer

• Salary of up to £150,000 - £200,000, depending on experience.
• Bonus opportunity.
• London-based role with 4 days in the office and 1 day working from home.
• Opportunity to work on technically challenging and business-critical systems.
• High-calibre engineering environment with significant scope for impact.