Consultant technique EPayment (F/H)

[Paris (La Defense)]

This is Worldline

We are the innovators at the heart of the payment technology sector, shaping how the world conducts transactions. The solutions our team implements today are the outcomes of the growth of millions of businesses of tomorrow, ranging from your local coffee shop to startups and international banks, from Paris to San Francisco. We have a global presence, spanning all sectors of commerce across the world. Just as we assist our clients in accelerating their business, we are committed to helping our employees accelerate their careers. Together, we are shaping the evolution

The Opportunity

The e-Payment Integration Engineer is responsible for the technical integration of payment solutions (terminals, APIs, platforms) for clients and partners. Operating at the crossroads of development, project management, and support, they play a key role in successful deployments.

Day-to-Day Responsibilities​

• Exchange and analyse customer integration requirements (interfaces, protocols, data flows).
• Implement, configure, and integrate payment solutions into client environments (REST APIs, SDKs, POS systems, etc.).
• Perform integration, regression, and functional compliance testing.
• Provide Level 2 technical support during test, UAT, and Intervention to be planned for certain phases of production.
• Collaborate with product, development, security, and support teams.
• Draft technical documentation (integration guides, test reports, service delivery documents).
• Track issues and report on integration activities.
• Contribute to the continuous improvement of integration processes.

Who Are We Looking For

• You have a degree in computer engineering or similar
• Fluency in English and French (written and spoken) is mandatory
• At least 4 years of experience in a similar position
• You are a good communicator
• Knowledge of payment systems (CB, Visa, Mastercard, wallets, tokenization, etc.).
• Proficient in communication protocols: REST, SOAP, JSON, ISO8583, etc.
• Experience with payment APIs, e-commerce platforms, and POS terminals.
• Scripting or programming skills (Python, Shell, Java or similar).
• Good understanding of distributed architectures and integration environments.
• Knowledge of payment security (PCI-DSS, encryption, authentication) is a plus.

Benefits

As a future Worldliner, you'll have the chance to be at the heart of the global payment technology sector and shape the way the world makes payments.

In addition to this, you will also:

• Be part of a company driven by a strong desire to do good and recognised as one of the top 1% most sustainable companies across all sectors globally.
• Work with inspiring colleagues and have the opportunity to learn, develop and accelerate your career (access to the e-Learning training platform, etc.).

You'll also enjoy a wide range of benefits, including

• Annual bonuses (end-of-year, holiday, profit-sharing)
• 32 days' paid holiday and a convertible 13th month's holiday
• 70% reimbursement of public transport costs
• Teleworking agreement
• Health and provident insurance

Shape the evolution

We are on an exciting journey towards the next frontiers of payments technology, and we look for big thinkers, people with passion, can-do attitude and a hunger to learn and grow. Here you’ll work with ambitious colleagues from around the world, take on unique challenges as a team, and make a real impact on the society. With an empowering culture, strong technology and extensive training opportunities, we help you accelerate your career - wherever you decide to go. Join our global team of 18,000 innovators and shape a tomorrow that is yours to own.