Senior Software Engineer – IT Banking & Payment Operations

Auxmoney Gmbh
Remote / Düsseldorf, DEOn-siteSenior

About the Role

Your New Team

At auxmoney, we are shaping the future of FinTech with innovation, technology and a passion for seamless financial processes. As a Senior Software Engineer (m/f/d) in the Banking & Payment Operations team, you'll be part of a cross-functional, agile team that ensures smooth and secure loan accounting and cash flows between investors and borrowers. You will collaborate closely with product and business teams, share your expertise with peers, and continuously raise the bar for code quality and technical excellence.

What You Can Expect

  • Shape the Future of FinTech: Work in an agile, cross-functional team to develop scalable and secure financial solutions.
  • Architecture & System Design: Identify and address architectural limitations, make pragmatic trade-offs, and help evolve systems toward scalability, reliability, and long-term maintainability.
  • Engineering Quality: Build solutions that are secure, scalable, extensible, and cost-efficient while maintaining high coding and documentation standards.
  • Execution & Delivery: Break down complex initiatives into manageable workstreams and deliver incremental value through iterative development.
  • Innovate with Modern Architecture: Contribute to the service-oriented architecture and help build reliable, event-driven services using Kafka.
  • Knowledge Sharing & Engineering Influence: Contribute to a culture of engineering excellence by sharing knowledge and improving team practices.
  • Collaboration & Problem Solving: Work closely with cross-functional stakeholders, actively contribute to design reviews, and address root causes of recurring technical challenges.
  • Ownership & Mentorship: Take responsibility for challenging projects and guide team members through technical mentoring.
  • Understand the Business: Gain deep insights into non-technical, business-related processes within a leading FinTech company.
  • Maximum Flexibility: Work remotely from anywhere in Germany, with only two office visits per year required.

Your Profile

  • Passionate Developer: You enjoy solving complex problems, writing high-quality software, and contributing ideas in an agile environment.
  • Backend Expertise: Several years of hands-on experience with object-oriented programming (preferably PHP) and MySQL databases.
  • Cloud & Containerization Know-How: Experience with Kubernetes, Docker and CI/CD pipelines.
  • Event-Driven Architecture: Familiarity with Kafka and event-driven or service-oriented architectures is a plus.
  • Testing Enthusiast: Knowledge of PHPUnit or Cypress.
  • Monitoring & Performance Optimization: Experience with New Relic or similar tools.
  • Version Control Savvy: Proficient in Git.
  • Finance Enthusiast: Interest in financial systems and processes; experience in FinTech development is a plus.
  • Team & Communication Skills: Strong communication skills in English (German is a plus).

What We Offer

Flexibility for your lifestyle with family-friendly working hours and a generous home office policy. Ergonomic work environment for office days. Independent work with short decision-making paths. Growth opportunities with an annual development budget. Team spirit through regular events and parties. Mobility support. Fitness discounts. Company pension plan subsidies. Tailored benefits based on your personal life situation.

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Job Overview

Language
✓ 100% English · no German required
Date Posted
Sep 25, 2026