Senior Backend Engineer, FinTech & AI-Driven Billing
Factorial
Apply at FactorialOpens the employer's own posting.
- Where
- On-site · Barcelona, Cataluña
- Level
- Senior
- Salary
- €90k–130k
- First sniffed
- 01 Sept 2026 12:04 · open 3 days
- Last verified
- 04 Sept 2026 02:04 · still on the employer's site
- Source
- Company careers page via adzuna
Factorial is seeking a Senior Software Engineer to join our Data Ops team. You will own the backend architecture of internal sales, invoicing, and billing applications, building resilient, scalable APIs and cloud workflows that power finance and customer experiences. You’ll collaborate with design and product, integrate payment platforms like Stripe or Adyen, and embed AI into development with GitHub tools. J-18808-Ljbffr