Retail logistics automation company optimizing inventory workflows for retail stores.

• Designed and developed a comprehensive logistics system for tracking and managing tens of thousands of products across warehouses and retail stores, achieving a record-high operational accuracy of 99.99% and increasing processing speed by 4x.

• Developed a reporting and analytics subsystem that enabled tracking over 50,000 SKUs in real time and improved anomaly detection in returns by 60%, leading to a 25% reduction in manual audits.

• leveraged AI-assisted development tools (e.g., GitHub Copilot, ChatGPT) to accelerate code generation, refactoring, and documentation, reducing development time by 25% while maintaining code quality.

• Implemented UI with Blazor, HTML, and CSS, increasing task completion speed for warehouse staff by 30%.

• Migrated mobile UI layer from Angular to Blazor, reducing front-end response times by 40% and cutting • mobile app crash reports by 50%.

Stack: C#, .NET, Blazor, Angular, Freemarker, SQL, PL/SQL, MS SQL, JavaScript, TypeScript, Microservice architecture, Rest API

Leader in the Digital platform for electronic real estate registration and classifieds (1M+ users) the European market.

Payment System Project

• Designed and developed a high-load payment system in Java 17, Spring Boot (REST API), increasing company revenue.

• Built invoice visualization & delivery system (React JS, Java 21, Freemarker, RabbitMQ, Redis), increasing customer acquisition rate by 20%.

• Created CI/CD pipelines with Jenkins, reducing deployment time by 40% and minimizing downtime.

Mortgage Project

• Optimized database performance by 50% through refactoring the schema and migrating critical logic to PL/SQL stored procedures.

• Led migration of mortgage-related services from Play Framework to Spring Boot microservices, enhancing system stability and scalability, and reducing DB load by 30%.

• Implemented RabbitMQ for inter-service communication, lowering synchronization latency and database contention, achieving a 25% reduction in database strain.

E-Signature Project

• Migrated key e-signature issuance flows to Camunda BPMN, streamlining complex business logic and reducing development time by 40%.

• Designed and implemented unit tests for legacy and new modules with JUnit 5, boosting system stability and code confidence by 50%.

Stack: Java (8/11/17/21), Spring Boot, PostgreSQL, Hibernate, MyBatis, Liquibase, RabbitMQ, Kafka, Microservices, REST APIs, Camunda BPMN, Docker, Jenkins, Maven, Gradle, Git, JUnit 5.

Project to automate the process of checking geodetic instruments using computer vision.

• Designed and implemented six Spring Boot microservices for automating data processing in geodetic instrument verification.

• Developed solutions using Java (8, 11), SQL, Python, Hibernate, and OpenCV to improve report generation speed and measurement accuracy.

• Enhanced image analysis techniques, resulting in a 50% increase in processing speed and improved precision.

• Employed Docker, Maven, and Jenkins for continuous integration and deployment, ensuring smooth project delivery and operational excellence.