Senior Software Engineer - Python

Experian; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Hybrid work model

Discretionary bonus

Pension plan

BUPA healthcare

25 days annual leave

Job summary

Experian London is seeking a Senior Software Engineer - Python to design, build, and operate backend systems. You will report to the Engineering Director and influence the reliability and evolution of our platform.

You will work across teams on production systems, APIs, data-focused services, and advocate for automated testing and best practices. The role offers a hybrid work model with a strong compensation package.

Qualifications

• Production-grade backend development with Python.
• Experience building and operating systems on AWS.
• Proficient in Test Driven Development and automated testing.
• Ability to explain complex topics clearly to varied audiences.

Responsibilities

• Own the full software development lifecycle from design to production.
• Design, build, and operate backend services and APIs.
• Collaborate with engineers, product, and data science teams.
• Monitor, debug, and improve production systems.
• Deliver changes frequently with quality and reliability.
• Communicate technical decisions clearly to stakeholders.

Skills

Python

AWS

TDD

Pair programming

Communication

Job description

Senior Software Engineer - Python Experian London, United Kingdom

We are looking for a Backend Senior Software Engineer to help design, build, and operate backend systems. Reporting into our Engineering Director, you will work on production software used by customers and partners, and your work will have an impact on the reliability, usability, and evolution of our platform.

Responsibilities

• You will own the full Software Development Lifecycle, from understanding requirements and contributing to design decisions through to implementation, testing, deployment, monitoring, and production support.
• Design, build, and operate backend services, including APIs, integrations, reporting, and data-focused systems.
• Collaborate closely with Engineers, Product, and Data Scientists to shape solutions and support data-driven product capabilities.
• Manage systems in production, including monitoring, debugging, and continuous improvement.
• Deliver changes frequently and safely, balancing speed with high quality and reliability.
• Communicate technical decisions and trade-offs clearly to both technical and non-technical stakeholders

Qualifications

• Solid backend experience using Python in production and experience building and running backend systems end to end.
• Experience building and operating systems on AWS.
• Experience practising Test Driven Development (TDD) and a strong appreciation for automated testing.
• Experience with pair programming or other collaborative development practices.
• The ability to explain technical concepts and trade-offs clearly to different audiences.

Additional Information

Benefits include

• Hybrid-based role 40% office base
• Great compensation package and discretionary bonus plan
• Core benefits include pension, BUPA healthcare and more
• 25 days annual leave plus bank holidays

Our uniqueness is that we celebrate yours. Experian's people first, inclusive and purpose driven culture is multi award-winning; World's Best Workplaces 2025 (Fortune Global Top 25), Great Place To Work in 26 countries to name a few. Check out Experian Life on social or explore our Careers Site to understand why. Experian is also proud to be an Equal Opportunity and affirmative action employer. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

Experian Careers - Creating a better tomorrow together

Full-time