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WOWorldline

Senior Application Developer(m/w/x)

Aachen, Frankfurt am Main
Full-timeWith Home OfficeSenior

Developing software for electronic payment processing with C++ and SQL. Extensive experience in payments development required. Flextime and mobile working.

Requirements

  • University degree (Master’s or Bachelor’s) in Computer Science, Engineering, or related field
  • Extensive IT services and software development experience, preferably in electronic payments
  • Proficiency in object-oriented programming in C++, relational databases, SQL, and data modeling
  • Familiarity with Agile methodologies; Scaled Agile experience is a plus
  • Strong analytical skills and ability to abstract and solve complex problems
  • High motivation, efficiency, and excellent communication skills (verbal and written)
  • Mandatory proficiency in English
  • Proactive and self-reliant, curious and open-minded attitude
  • Team player capable of thriving in international and matrix environments
  • Experience with cloud technologies (Google Cloud or AWS) and related certifications
  • Knowledge of modern C++ (C++17, C++20 and beyond) and transition plans
  • Experience with automated testing frameworks and systems (Unix/Bash/SQL/Python)
  • Familiarity with messaging architectures, REST/JSON APIs, and payment protocol standards
  • Experience with databases (Oracle, PostgreSQL) and containerized development/delivery (Docker, WSL2, Linux)
  • CI/CD pipelines, version control (Git), and experience with toolchains (Visual Studio Code, Sonar/GCov, Jira/Confluence)
  • Web and Backend technologies (JavaScript, TypeScript, Go)

Tasks

  • Develop software for electronic payment processing
  • Collaborate with analysts, testers, and developers
  • Translate business requirements into system components
  • Partner with Product Owners on integration requirements
  • Align with architectural goals
  • Design, configure, and install customer systems
  • Provide ongoing support for deployments
  • Implement product or customer-specific adaptations
  • Prepare project documentation
  • Maintain technical artifacts
  • Specify, prepare, and execute software tests
  • Provide analytical support during production incidents
  • Participate in post-incident reviews
  • Mentor and coach team members
  • Contribute to architectural improvements
  • Contribute to design improvements

Work Experience

  • approx. 4 - 6 years

Education

  • Bachelor's degree

Languages

  • EnglishNative

Tools & Technologies

  • C++
  • SQL
  • Agile
  • Google Cloud
  • AWS
  • Python
  • Docker
  • Linux
  • Git
  • Jira
  • Confluence
  • JavaScript
  • TypeScript
  • Go

Benefits

Flexible Working

  • Flextime
  • Mobile working

Retirement Plans

  • Company pension plan

Learning & Development

  • Individual training programs

Company Bike

  • Job bike

Corporate Discounts

  • Employee discounts

Public Transport Subsidies

  • Mobility subsidies

Free or Subsidized Food

  • Food subsidies

Parking & Commuter Benefits

  • Good public transport connections
  • Free parking

Sustainability Focus

  • Sustainable company culture

Informal Culture

  • Diverse international team

Career Advancement

  • Professional growth opportunities
  • Leadership opportunities

Mentorship & Coaching

  • Mentorship opportunities
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of Worldline and processed the information on Nejo with the help of AI for you. Despite careful analysis, some information may be incomplete or inaccurate. Please always verify all details in the original posting! Content and copyrights of the original posting belong to the advertising company.

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