Senior Fullstack Software Engineer - Payments & Fraud

Hopper

📍 Barcelona, Cataluña, Spain

Full-time Informática y tecnología Posted March 02, 2026

Job Description

Senior Frontend Software Engineer - Payments & Fraud

Join to apply for the Senior Frontend Software Engineer - Payments & Fraud role at Hopper.

Hopper Technology Solutions (HTS) Checkout combines market‑leading payment services, best‑in‑class fraud detection, and digital wallet capabilities to enhance the travel experience for users and drive revenue for partners. Our hosted checkout solution offers global coverage and currency support, a comprehensive suite of payment methods, industry‑leading anti‑fraud technology, and an integrated wallet designed to boost loyalty.

Tech Stack

  • React + TypeScript
  • Backend systems in Scala with a suite of Google Cloud Platform services

What Would Your Day-to-Day Look Like

  • Design, build, and review code for the HTS Checkout web frontend
  • Operate autonomously while collaborating with engineers and product managers to ensure high alignment
  • Explore a...