Denis Tsapaev Email & Phone Number

- Designing and implementation of new API functionality, enabling customers to access enhanced features and services after a seamless transition. Examples include introducing an extended format for processing monetary values, creating seamless links between user accounts, and incorporating new types of financial transactions.- Refined and improved the wallet functionality, optimizing session creation and unifying restrictions based on territories, client IP addresses, and jurisdictions.- Successfully integrated and customized new external clients from the ground up. This involved developing transaction handling, cancellation processes, currency transactions, and tailored experiences like different types of promotional operations according to external clients' APIs.- Successfully integrated and customized new external clients from the ground up. This involved developing transaction handling, cancellation processes, currency transactions, and tailored experiences like different types of promotional operations according to external clients' APIs.- Successfully introduced new and innovative ways for customers to conduct a diverse range of financial transactions. Made the design, documentation, and development of captivating promotional features that significantly elevated the product's appeal and enhanced its brand image for the client.

Москва, Москва, Россия

- Development and successful implementation of various features for brand and certification management services. Extended API functionality to enhance the overall capabilities of the services. Optimized cron-jobs to automate crucial tasks efficiently.- Conducting code reviews.- Writing unit and integration tests to ensure robustness and reliability.- Acted as a reliable point of contact for on-duty support, promptly addressing issues and incidents along the development line. Identified, prioritized, and assigned tasks to resolve bugs effectively.- Performed diagnostics on hot spots of database calls, identifying performance bottlenecks. Optimized problematic database queries, resulting in a significant reduction of response times from 4 seconds to an average of < 50 ms.

Москва, Москва, Россия

- Successfully introduced a range of innovative features to enhance the Home Video Surveillance product's capabilities: development of various functionalities, including notification services, camera connections, and storage systems.- Ensured full coverage of services with integration tests.- Actively participated in code reviews. - Implemented communication with Clickhouse, resulting in the stable collection of time-series video surveillance statistics data.- Developed and integrated gRPC in the project, stabilizing the interaction between video surveillance services. Introduced contracts to enhance service communication and ensure efficient data exchange.

Москва, Москва, Россия

- Successfully designed and implemented an API for seamless communication between front-end and back-end systems for a personal data storage service.- Developed an intermediate software layer with a custom protocol to facilitate communication between the front-end and deeper back-end systems, improving efficiency and performance.- Conducted code reviews and wrote tests.

Москва, Москва, Россия

- Refactoring, reworking, and unification of the existing functionality for the analysis of anamnesis.- Designing a database scheme from scratch, developing functionality to interface with it, and migrating existing data to new storage.- Setting up CI/CD for the service of parsing medical documents.

Магистр, Computer Engineering, 4.2

Бакалавр, Computer Engineering, 4.1