Bartosz Zielinski

- Designed backend architectures and microservices for EU-based startups and product companies. - Integrated AI APIs and machine learning services into production systems. - Built scalable backend services using Java, Python, and Spring Boot, deployed on AWS. - Developed data pipelines to support analytics and AI-driven product features. - Enhanced system reliability through effective monitoring, logging, and performance optimization.

- Developed backend services for millions of daily users on a leading e-commerce platform in Central Europe. - Built microservices for search, recommendations, and transaction processing. - Collaborated with data engineering teams to enhance AI-driven personalization. - Optimized system performance, reducing API response times significantly.

- Delivered backend software solutions for international enterprise clients. - Implemented REST APIs and distributed services using Java, Spring, and SQL databases. - Contributed to architecture discussions and participated in code reviews. - Supported CI/CD improvements and system performance monitoring.

- Assisted in the development of enterprise web applications and backend services. - Implemented new features, fixed bugs, and supported production deployments. - Gained experience in Agile development and collaborative engineering practices.