Maxim Denisov

Designed and implemented hierarchical object tree logic for enterprise systems, enhancing data organization and retrieval efficiency. Standardized exception handling and HTTP responses in REST APIs, reducing frontend debugging time by 25%. Built and automated integration/unit tests using JUnit and CI, reducing backend debugging time by 30%. Contributed to scalable microservice architecture and imp

Implemented core APIs and recursive CRUD tree features for a Lukoil hierarchy management service, configured CI with automated unit/integration tests, and added metrics to visualize entity distribution across hierarchy levels to improve data access and observability.

Led BI and CRM projects for a distributed call center, implemented Yandex DataLens monitoring, automated lead analytics and business processes to reduce manual labor and process time, and integrated telephony and external channels to improve lead data completeness.

Implemented company-wide monitoring dashboards using Yandex Datalens, enhancing data visibility and decision-making efficiency. Automated workflows for customer analytics and reporting, reducing manual effort by 20%. Presented business analyses to executives and bridged communication between tech and business teams, facilitating informed decision-making and strategic alignment.

Refactored cash register subsystem for scalability and reduced system complexity. Managed a backend team of 5 engineers and led SCRUM adoption. Implemented Prometheus/Grafana-based monitoring, reducing downtime by 40%. Built CI/CD pipelines and caching layers, optimizing performance and deployment speed.

Refactored legacy pay terminal systems to support new suppliers, led outage-reduction efforts cutting device downtime significantly, and implemented CI/CD and monitoring to reduce incidents and accelerate releases.

Developed high-performance microservices using Spring Boot, Kafka, Docker, and Oracle. Reduced query execution time by 20% and increased system scalability by 15%.

Optimized supply-chain cost calculations and caching for Leroy Merlin logistics microservices, integrated REST APIs, added monitoring on Kafka, and containerized deployments to improve performance and reliability.

Built booking system features with Java and Vue, created REST endpoints and GitLab CI deployments to enable real-time room availability and reduced manual scheduling via new core business logic.

Developed an automated Troika Bot and ML sentiment pipeline to process Google Play feedback, integrated CI testing and containerized deployments to streamline feedback handling and reduce manual triage.

Designed and implemented a Digital Signage service with Spring Boot and Vue, building asynchronous file distribution, content listeners, and a web editor to manage media collections and device groups.

Developed the Automated Albius system for transport terminals in C/C++, implemented custom allocators, cross-compiled builds, and fixed memory leaks to ensure stable fare transaction processing across devices.

Implemented an SAP-1C integration bus (WSDL->JSON), a Tomcat servlet validator and Swagger-based REST API, reducing manual migration costs and data errors while documenting integration agreements.

Completed CCNA Routing and Switching: Introduction to Networks through a Cisco / MIREA program.

Completed a Bachelor of Computer Science with coursework including data analysis on the spread of COVID-19 and related measures.