• Developed Kotlin backend for a decentralized exchanges aggregator project.• Expanded support for additional blockchains, swappers, and bridges, improving user experience.• Optimized system performance, reducing response times by 60%, achieving sub-1-second latency for 90% of requests.• Strengthened project stability through codebase improvements and advanced performance tuning.• Onboarded and mentored new team members, providing technical guidance and improving team productivity.• Led the project’s architectural shift to microservices, guiding the team through a step-by-step transition, enhancing scalability and modularity.

Helping the previous team to continue developing the render component from scratch.

• Designed and developed the crawler component of the Zarebin search engine.• Designed a microservices architecture for the crawler component.• Improved the performance of the main crawler system and render pipeline.• Improved the new link detection.• Improved update time of recrawled web pages.

• Designed a distributed data collection system to process over 15K metrics per second, handling online formula calculations, event, and alarm processing.• Re-architected a monolithic system into a modular, scalable microservices architecture, enhancing flexibility and system performance.• Led and facilitated regular Scrum meetings to ensure alignment with project goals.• Collaborated with stakeholders at all levels to identify and fulfill requirements.

• Managed a team of 3–5 Java backend developers, leading code reviews and providing technical support to the development and support teams.• Actively participated in Java development.• Assisted support team in complex scenarios.

Developing a monitoring system and implementing Rest APIs using Spring framework.