Description

Senior Backend Engineer with 7+ years of experience building resilient, scalable Java/Kotlin backend platforms for large European companies in retail, travel, and logistics. Expert in Spring Boot, microservices, event-driven systems, Kubernetes, AWS, Google Cloud and PostgreSQL. I help EU teams modernize legacy platforms, improve system reliability, and deliver cloud-native backend solutions. Open to EU contracting and part time freelance engagements.

Languages

Bulgarian
Native or bilingual
English
Fluent
French
Conversational

Workplace preferences

Remote only

Primarily works remotely

REWE Group
Senior Software Engineer
RETAIL (LARGE RETAILERS)
October 2025 - Today (9 months)
Sofia, Bulgaria
Supply Chain Optimization: Developing and enhancing enterprise-scale supply chain optimization platforms supporting Europe’s largest retail logistics network.
Architecture & Performance: Contributing to key architectural decisions, performance tuning, and cloud deployment strategies to maintain large-scale distributed systems.
DERTOUR
Senior Software Engineer
TRAVEL AND TOURISM
March 2023 - October 2025 (2 years and 7 months)
Sofia, Bulgaria
Built and deployed modular microservices on AWS EKS, ensuring the system was both scalable and easy to maintain.
Utilized Kotlin and Spring Boot to build reliable and high-performing backend services, ensuring seamless integration with existing systems.
Leveraged AWS cloud services to optimize deployment pipelines, enhance system resilience, and reduce operational costs.
Enhanced database performance and scalability with PostgreSQL, managing complex queries and data structures.
Collaborated with diverse teams to deliver business-critical features on time, fostering a culture of technical excellence.
Provided guidance and mentorship to team members, improving overall code quality and development practices.
Kotlin Spring boot PostgreSQL