{"id":4077201,"url":"https://alion.io/job/experian-senior-fullstack-engineer-typescript-python-2","title":"Senior FullStack Engineer - TypeScript - 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":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"AWS Lambda","optional":true},{"name":"Cypress","optional":true},{"name":"Docker","optional":true},{"name":"Docker Compose","optional":true},{"name":"FastAPI","optional":true},{"name":"JavaScript","optional":true},{"name":"Next.js","optional":true},{"name":"Node JS","optional":true},{"name":"Playwright","optional":true},{"name":"Pytest","optional":true},{"name":"Python","optional":true},{"name":"React.js","optional":true},{"name":"Redux","optional":true},{"name":"SQLAlchemy","optional":true},{"name":"Terraform","optional":true},{"name":"TypeORM","optional":true},{"name":"TypeScript","optional":true},{"name":"Vercel","optional":true},{"name":"Vitest","optional":true}],"status":"live","first_seen_at":"2026-11-11T15:50:14Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-11T15:50:17Z","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 At Experian, we're redefining employment and income verification, and we need a Fullstack Engineer who thrives in a TDD-first, product-driven environment. Reporting into our Engineering Director you'll work across frontend and backend, pair-programming with a collaborative team to ship high-quality, impactful features.\nAlthough no two days are the same, you will be expected to:\nWork with the Head of Engineering to meet clear milestones\nCommunicate trade-offs to other areas of the business\nCollaborate with the whole development team to influence system architecture and feature design\nDesign, test, and deploy new features\nWork with product and design to manage features end-to-end. You build it, you run it.\nBuild and deploy APIs for interconnected services\nHelp improve front-end design\nUse AI-assisted development tools to enhance frontend workflows.\nEnhance the availability of our main services\nStrengthen the security and reliability of our entire system\nOur stack\nInfrastructure: AWS, Terraform\nFrontend: Vercel, NextJS, React / Redux, Testcafe (or similar, Cypress, Playwright)\nBackend: TypeScript, Vitest, TypeORM, Python, FastAPI, SQLAlchemy, pytest, Docker Compose\n Experience as a full stack engineer\nAn end-to-end systems-mindset; we are building a product that should grow itself and require minimal intervention from our team\nExperience working in a close knit, collaborative, rapidly growing team\nThe ability to work in a highly agile environment, using CI/CD practices\nA passion for creating products that are user-friendly and contribute to our product-led growth strategy\nA knack for identifying good UX\nStrong testing practices, especially Test Driven Development\nNice to have: experience with Continuous Deployment, Feature flags, E2E testing, AWS SQS, and AWS Lambda\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. 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