Senior Software Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer based in Germany, focused on building and evolving high-scale backend systems that power global ecommerce for software and digital products.

• Lead the design and development of backend features for high-availability systems supporting payments, subscription billing, settlement, refunds, and reporting.
• Build and maintain integrations with external payment processors, card networks, and alternative payment methods.
• Design scalable, secure, and maintainable service-oriented architectures with a strong focus on reliability and performance.
• Debug and resolve complex production issues across money movement flows, ensuring system stability and minimal downtime.
• Break down large technical initiatives into incremental, deliverable tasks suitable for agile development cycles.
• Participate actively in architecture discussions, design reviews, and code reviews to maintain high engineering standards.
• Collaborate with cross-functional teams (Product, Risk, Finance, Compliance) to ensure regulatory and business requirements are properly implemented.
• Improve CI/CD pipelines, testing strategies, and deployment processes to enhance delivery speed and system quality.
• Mentor and support junior engineers while promoting best practices in coding, testing, and system design.
• Drive continuous improvement by identifying performance bottlenecks, operational risks, and opportunities for system optimization.

• 10+ years of professional software engineering experience delivering production-grade SaaS or backend systems.
• Strong expertise in Java and building distributed, service-oriented architectures.
• Solid experience with SQL (PostgreSQL) and NoSQL databases in production environments.
• Proven track record designing and implementing RESTful APIs and scalable backend services.
• Hands-on experience with AWS services (e.g., EC2, S3, RDS, DynamoDB; Lambda is a plus).
• Strong understanding of system reliability, performance optimization, and production troubleshooting.
• Experience working in or around payments, fintech, or regulated systems is a strong advantage.
• Familiarity with Linux environments, containers, and Docker.
• Exposure to frontend technologies (JavaScript, Angular or Vue) is a plus but not required.
• Comfortable using AI-assisted development tools to accelerate design, implementation, and review processes.
• Strong collaboration skills with the ability to work effectively across engineering, product, and compliance teams.
• Bachelor’s or Master’s degree in Computer Science or equivalent practical experience.

• Competitive USD-based compensation aligned with experience and impact.
• Performance-based bonus opportunities in addition to base salary.
• Fully remote-friendly environment with global collaboration across distributed teams.
• Comprehensive benefits package supporting health, well-being, and professional growth.
• Annual learning and development budget for training, conferences, and upskilling.
• Support for home office setup and remote working equipment.
• Inclusive, international team culture with strong engineering ownership and autonomy.
• Opportunity to work on high-impact financial infrastructure used by thousands of global businesses.