Technical Customer Consultant - Senior

Das ist der Job

Worldline helps businesses of all shapes and sizes to accelerate their growth journey – quickly, simply, and securely.

Darum lohnt es sich

Customer focus, structured work style, and the ability to collaborate across teams; willingness to travel as needed. Team player with a collaborative mindset and the ability to influence without authority. We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid.

Our technology powers the growth of millions of businesses across five continents. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution.

The Opportunity About the role: 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 Rollouts leadership: plan, coordinate, and execute customer rollouts from kickoff to go‑live and post‑implementation reviews; develop rollout roadmaps and cutover plans. Solution design: translate customer needs into technical architectures and integration solutions.

Testing and quality assurance: design test cases, execute end‑to‑end and tactical tests, validate integration points, and ensure compliance with requirements. Bug management: reproduce, triage, and track defects; collaborate with engineering to implement fixes and verify resolutions.

Analysis and reporting: measure outcomes against KPIs, perform root‑cause analysis, capture lessons learned, and propose optimization actions. Demos and workshops: deliver technical demonstrations and customer‑focused solution sessions. Documentation: maintain technical guides, integration playbooks, and knowledge base articles.

Client enablement and go‑live support: enable customers for successful adoption; provide hands‑on go‑live assistance. Change management and risk mitigation: manage changes, communicate impacts, and address risks proactively. Travel: occasional on‑site support for critical rollouts or workshops. Who Are We Looking For We look for big thinkers.

People who can drive positive change, step up and show what’s next – people with passion, can‑do attitude and a hunger to learn and grow.

In practice this means: Must‑have Qualifications Degree in Computer Science, Engineering, or a related field, or equivalent practical experience. 3+ years in a technical customer‑facing role, with proven rollout experience from start to finish. Strong technical foundation in integrations and technical solutioning.

Experience with delivering technical demos, creating solution designs, and writing technical documentation. Troubleshooting and debugging skills; ability to communicate findings clearly to both technical and non‑technical audiences. Proficient in English; German or other regional languages are a plus. Nice‑to‑have Payments experience.

Network knowledge. Soft skills Strong communication and stakeholder management. Analytical mindset with problem‑solving and decision‑making capabilities. Adaptability, resilience, and the ability to manage multiple rolling projects.