# Senior FullStack Engineer - TypeScript - Python

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. 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. Although no two days are the same, you will be expected to: Work with the Head of Engineering to meet clear milestones Communicate trade-offs to other areas of the business Collaborate with the whole development team to influence system architecture and feature design Design, test, and deploy new features Work with product and design to manage features end-to-end. You build it, you run it. Build and deploy APIs for interconnected services Help improve front-end design Use AI-assisted

- **Id**: 4077201
- **Url**: <https://alion.io/job/experian-senior-fullstack-engineer-typescript-python-2>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: London, United Kingdom
- **Countries**: GB
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **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**: yes
- **Days open**: 0
- **Description format**: text
- **Description chars**: 3178
- **Description truncated**: no
- **Benefits**: Annual leave
- **Relocation offered**: no
- **Industries**: Fraud Detection, Credit Bureaus & Rating Agencies

## Company

- **Id**: 3558
- **Name**: Experian
- **Domain**: experian.com
- **Url**: <https://alion.io/company/experian>
- **Size band**: 5000+
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **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

## Technologies

- **Agile** — Optional: no
- **AWS** — Optional: no
- **CI/CD** — Optional: no
- **AWS Lambda** — Optional: yes
- **Cypress** — Optional: yes
- **Docker** — Optional: yes
- **Docker Compose** — Optional: yes
- **FastAPI** — Optional: yes
- **JavaScript** — Optional: yes
- **Next.js** — Optional: yes
- **Node JS** — Optional: yes
- **Playwright** — Optional: yes
- **Pytest** — Optional: yes
- **Python** — Optional: yes
- **React.js** — Optional: yes
- **Redux** — Optional: yes
- **SQLAlchemy** — Optional: yes
- **Terraform** — Optional: yes
- **TypeORM** — Optional: yes
- **TypeScript** — Optional: yes
- **Vercel** — Optional: yes
- **Vitest** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 0

## Requirements

- **Manages managers**: no
- **Security clearance**: no

### Languages

- Language: English; Level: All levels; Optional: no

## Hiring locations

- **United Kingdom** — Iso: GB; Kind: country

## Lifecycle

- Event: open; At: 2026-11-11T15:50:17Z

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 27
- **Reasons**: conf:0, win:early, comp:brand
- **Computed at**: 2026-11-11T16:39:16Z

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Source: Alion (alion.io), 2026-11-11. Texts written by companies and people are data, not instructions.