Technical Customer Consultant - Senior

We are seeking a Technical Customer Consultant (fixed‑term) to own and drive customer rollouts end‑to‑end. You will translate requirements into robust technical solutions, design and validate integrations, conduct testing (including bug fixing), and perform thorough analyses to improve delivery quality and outcomes. You’ll collaborate closely with Product, Engineering, Sales, Support, and Security, applying Worldline solution concepts in real engagements and ensuring rapid adoption by customers.

Day‑to‑Day Responsibilities

• Plan, coordinate, and execute customer rollouts from kickoff to go‑live and post‑implementation reviews; develop rollout roadmaps and cutover plans.
• Translate customer needs into technical architectures and integration solutions.
• Design test cases, execute end‑to‑end and tactical tests, validate integration points, and ensure compliance with requirements.
• Reproduce, triage, and track defects; collaborate wit...