Bohdan Melnyk

Project: Careem Super App. Description: One app for everyday needs. Team: 11 members. Technologies: Golang, Apache Kafka, PostgreSQL, OpenSearch. Responsibility: - Transitioning the current search system from a REST API-based platform to a new event-driven system.

Project: Haiilo App. Responsibility: - Elevated the internal gRPC framework, leading to a 80% increase in system efficiency. - Innovated a cutting-edge search methodology and fine-tuned existing Elasticsearch configurations, queries, and mappings, resulting in a 40% boost in search performance. - Successfully decomposed a monolithic application into modular components and subsequently pioneered the development of several key microservices, enhancing scalability and manageability of the system.

Responsibility: - Led the development and ongoing maintenance of backend services, resulting in improved system performance. - Conceptualized and developed critical internal tools including simulators, health checkers, and more, enhancing the team's productivity. - Successfully migrated substantial legacy code to up-to-date software platforms, ensuring compatibility and streamlining processes. - Spearheaded the introduction of a new security framework for the backend using JWT, bolstering system security.

Project: Clickatell Touch Responsibility: - Successfully integrated encryption and decryption protocols to secure all communications within the social network, enhancing user data protection and privacy. - Refined searching and sorting algorithms, leading to a 35% improvement in response times and search accuracy.

Responsibilities: - Enhanced the Bid Adjustment functionality, resulting in a 15% increase in bidding efficiency and accuracy. - Successfully optimized storage solutions, leading to a 20% reduction in storage costs and improved data retrieval times. - Elevated the CI/CD processes of the project, achieving faster deployment cycles and a 30% reduction in integration issues. - Transitioned the project to a Microservices architecture, streamlining operations and boosting overall system scalability.

Masters in Mathematics.