{"id":4102077,"url":"https://alion.io/job/experian-senior-software-engineer-python-2","title":"Senior Software Engineer - Python","company":{"id":3558,"name":"Experian","domain":"experian.com","url":"https://alion.io/company/experian","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":76,"open_postings":19,"ghost_share":0,"stale_share":0.947,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-11-11T15:51:11Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-11T21:56:27Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"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.\n 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.\nResponsibilities:\nYou will own the full Software Development Lifecycle, from understanding requirements and contributing to design decisions through to implementation, testing, deployment, monitoring, and production support.\nDesign, build, and operate backend services, including APIs, integrations, reporting, and data-focused systems.\nCollaborate closely with Engineers, Product, and Data Scientists to shape solutions and support data-driven product capabilities.\nManage systems in production, including monitoring, debugging, and continuous improvement.\nDeliver changes frequently and safely, balancing speed with high quality and reliability.\nCommunicate technical decisions and trade-offs clearly to both technical and non-technical stakeholders\n Solid backend experience using Python in production and experience building and running backend systems end to end.\nExperience building and operating systems on AWS.\nExperience practising Test Driven Development (TDD) and a strong appreciation for automated testing.\nExperience with pair programming or other collaborative development practices.\nThe ability to explain technical concepts and trade-offs clearly to different audiences.\n Benefits include\nHybrid-based role 40% office base\nGreat compensation package and discretionary bonus plan\nCore benefits include pension, BUPA healthcare and more\n25 days annual leave plus bank holidays\nOur 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. 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