Senior Software Engineer - Python

Experian; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid-based role 40% office base

Discretionary bonus

Core benefits include pension

BUPA healthcare

25 days annual leave

Job summary

Experian is seeking a Backend Senior Software Engineer to design, build, and operate backend systems in a production environment. You will report into the Engineering Director and contribute to reliability, usability, and evolution of the platform.

You will own the full software lifecycle, work on APIs, data-focused services, and collaborate with product and data science teams to enable data-driven capabilities. The role is hybrid with competitive compensation.

Qualifications

• Solid backend experience with Python in production.
• Experience building and operating systems on AWS.
• Experience practising Test Driven Development (TDD) and automated testing.

Responsibilities

• Own the full Software Development Lifecycle from requirements to production support.
• Design, build, and operate backend services including APIs and data-focused systems.
• Collaborate with Engineers, Product, and Data Scientists to shape data-driven solutions.
• Manage production systems including monitoring and debugging.
• Deliver changes frequently and safely with high quality.

Skills

Python backend

AWS

TDD

Automated testing

Pair programming

Communication

Job description

Role Overview

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

Experience and Skills

• 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.

About Experian

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more. Experian invests in people and new advanced technologies to unlock the power of data. We have an amazing team of 25,200 people in 32 countries.

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 Aff? If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

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