Senior Backend Engineer with 9 years of experience in building robust, high-throughput backend services and data-intensive systems across SaaS and fintech sectors. Most recently contributed to dimensional GmbH's transactional workflows as a Senior Backend Engineer, and previously enhanced fintech solutions at Thorgate and customer-facing platforms at Mooncascade. Demonstrates expertise in scalable architecture, concurrent processing, and high-performance optimization. Passionate about mentoring, performance tuning, and delivering reliable solutions for complex requirements. Highly motivated to continuously improve backend reliability and efficiency while supporting professional team growth.

Designed and optimized concurrent backend services with Java and Spring Boot, sustaining 18,500 requests per second while preserving state integrity. Centralized business logic through reusable components, improved performance using profiling and tuning, and built advanced simulation tools. Standardized service interfaces and mentored developers on best practices. Enhanced observability and production diagnostics, achieving significant reductions in analysis time.

Senior Backend Engineer

Built and optimized transaction-processing and financial calculation services using Java and Spring Boot. Enhanced data consistency and throughput with concurrent event consumption and robust persistence strategies. Developed Python validation tools, maintained deployment workflows, and actively participated in mentoring and Agile practices.

Backend Engineer

Developed backend services and REST APIs for high-traffic platforms. Optimized SQL and Hibernate performance, implemented asynchronous processing patterns, and expanded automated testing. Supported releases and troubleshooting, gradually assuming greater responsibility for backend architecture and reliability.