Application Developer (wdm)

Frankfurt - Germany

Monthly Salary: Not Disclosed

Posted on: Yesterday

Vacancies: 1 Vacancy

Job Summary

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 Cant Do Without:

University degree (Masters or Bachelors) 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 (C17 C20 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 internationalcompanyculture
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 youll 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 18000 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 atJobs at Worldline

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Required Experience:

This is WorldlineWorldline 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 busin...