This is Worldline

Worldline helps businesses of all shapes and sizes to accelerate their growth journey - quickly, simply, and securely. 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 5 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

Join a dedicated tribe responsible for the development and services of the Worldline Authorization software suite, Worldline Pay Front Office (WLP FO). We combine expertise in card payment authorization and switching with components for card management back office solutions and fraud detection. We are seeking a Senior Application Developer skilled in C++ to contribute to our integrated processing and software licensing offerings within a scalable, DevOps environment.

Your Day-to-Day Responsibilities:

• As a Senior Application Developer in a self-organized DevOps squad, collaborate closely with analysts, testers, developers, and operations. Serve as a key contributor translating business requirements into production-ready system components.
• Develop software solutions for processing electronic payments using the Worldline Pay Front Office suite.
• Partner with Product Owners to negotiate integration requirements and ensure alignment with architectural goals.
• Design, configure, and install customer systems and provide ongoing support for deployments.
• Implement product or customer-specific adaptations and extensions.
• Prepare comprehensive project documentation and maintain technical artifacts.
• Specify, prepare, and execute tests to ensure software quality (unit, integration, and end-to-end).
• Provide analytical support during production incidents and participate in post-incident reviews.
• Share expertise by mentoring and coaching other team members; contribute to a collaborative, high-performing team culture.
• Contribute to architectural and design improvements as part of a continuous improvement mindset.

Skills We Can’t Do Without:

• University degree (Master’s or Bachelor’s) in Computer Science, Engineering, or a related field.
• Extensive experience in IT services and software development, preferably within electronic payments.
• Proficiency in object-oriented programming in C++, relational databases, SQL, and data modeling.
• Familiarity with Agile methodologies; experience in a Scaled Agile or similar framework is a plus.
• Strong analytical skills and the ability to abstract and solve complex problems.
• High motivation, efficiency, and excellent communication skills, both verbal and written.
• Proficiency in English is mandatory.
• Proactive and self-reliant, with a curious and open-minded attitude.
• Team player capable of thriving in an international and matrix organizational environment.

Nice-to-Have:

• Experience with cloud technologies (Google Cloud or AWS) and related certifications (Professional Cloud Developer/Engineer or similar).
• Knowledge of modern C++ (C++17, C++20 and beyond) and ongoing transition plans to newer standards.
• Experience with automated testing frameworks (e.g., GTest) and automated test systems (Unix/Bash/SQL/Python).
• Familiarity with messaging architectures, REST/JSON APIs, and payment protocol standards (ISO 8583/ISO 20022, Visa/MasterCard, etc.).
• Experience with databases (Oracle, PostgreSQL) and containerized development/delivery (Docker, WSL2, Linux).
• CI/CD pipelines, version control (Git), and experience with toolchains like Visual Studio Code, Sonar/GCov, and Jira/Confluence.
• Web and Backend technologies (JavaScript, TypeScript, Go)

 Perks & Benefits

• Flextime & mobile working within Germany 
• Company pension plan 
• Individual training programs 
• Job bike & diverse range of employee discounts 
• Mobility and food subsidies 
• Good public transport connections and free parking (location-specific) 
• Sustainable, international company culture 
• Exposure to modern C++ development, cloud initiatives, and scalable architectures.
• A diverse, international team with rooms for professional growth, mentorship, and leadership opportunities.
• Competitive compensation, comprehensive benefits, and flexible work arrangements.

Shape the evolution

We are pushing towards the next frontiers of payments technology, and we look for big thinkers to join our journey. 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. And with our empowering culture, strong technology and extensive training opportunities, we help you accelerate your career. Wherever you decide to go. Join our global team of over 18,000 innovators across 40+ countries, 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, 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 at Worldline

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