This is Worldline

We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. The solutions our people build today power the growth of millions of businesses tomorrow. From your local coffee shop to unicorns and international banks. From San Francisco to Auckland. We are in every corner of the world, in every part of commerce. 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

Join our highly flexible development team for the Hardware Security Module (HSM) ADYTON, with members located in Brussels, Aachen, and beyond. Strong communication skills are essential for this role. As a Lead Software Developer for the Worldline ADYTON HSM, you will be responsible for implementing the system software of the ADYTON HSM. This position requires expertise in embedded programming and a strong background in C, as you will support the development team by implementing functionality within an Agile development environment, focusing on payment standards and protocols. Additionally, you will provide technical leadership to guide the team in best practices and innovative solutions.

Day-to-Day Responsibilities

You will be involved in developing security products for embedded systems used in financial transactions, including the development and testing of security-related applications on the ADYTON HSM. Key responsibilities include:

• Embedded Programming: Implement secure and efficient embedded software solutions in C tailored for the ADYTON HSM.
• Hands-On Development: Actively participate in coding and implementing functionality in C, ensuring high-quality software delivery.
• Agile Development: Collaborate with cross-functional teams in an Agile environment, participating in sprint planning, reviews, and retrospectives.
• Stakeholder Collaboration: Work closely with the Product Owner and Product Manager to translate requirements and features into technical specifications.
• Technical Leadership: Provide guidance and mentorship to team members, fostering a culture of collaboration and continuous improvement.
• Documentation: Create and maintain comprehensive documentation of interface designs and security measures specific to the ADYTON HSM.
• Quality Assurance: Ensure that software solutions adhere to industry standards for security and performance.
• Problem Solving: Identify and resolve technical challenges related to ADYTON HSM integration.

A good knowledge of Python and C is necessary, as the team operates in an Agile environment that demands independence, autonomy, and a proactive approach to task structuring and problem-solving.

The ideal candidate should possess proficiency in C programming and embedded systems development, along with a strong understanding of OpenSSL and TLS communication protocols. Experience with secure coding practices and security standards is essential, as is familiarity with the communication protocols used in the ADYTON HSM. Additionally, knowledge of payment standards and protocols is important. Excellent communication and interpersonal skills are also required to effectively collaborate with team members and stakeholders.

These qualities are essential!

We’re also looking for the following skills and experience:

• specialist in computer science
• excellent team player
• proven leadership skills
• outstanding communication skills, and a good command of spoken and written English
• awareness of a range of development support tools
• quick adaptation to new technologies

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:

• experience with embedded systems and C, Python development
• knowledge of testing methodology (unit, integration, white/black box testing …)
• solid background in security (hardware and/or software) and applied cryptography
• knowledge of OpenSSL and ASN.1 is a plus

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.

We are proud to be an Equal Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as an individual with a disability, or any applicable legally protected characteristics.

Learn more about life at Worldline at Jobs.worldline.com