I worked on the design and development of several services for a large-scale, nationwide logistical system:• A service for monitoring, tracking, and analyzing incoming logistics data.• A service for user authorization within our part of the system.• A service for managing internal dictionaries with metadata and data versioning support.• A service for generating invoices, international transport reports, and other regulatory documents.In this role, I performed the following functions:• Actively participated in the full-cycle feature development process (feature design; development; writing unit, functional, and integration tests; code review; writing CI\CD scripts).• Created plans for refactoring legacy parts of the system and performed refactoring.• Analyzed and optimized code and SQL query performance.• Provided mentoring to newcomers.• Conducted technical interviews.Tech stack: Java, Spring Boot, PostgreSQL, Hazelcast, Kafka, Docker

I worked as a Team Lead in a Java development team, responsible for creating a scheduling background jobs service for our large-scale banking solution.I had the following responsibilities:• Managing an agile workflow (planning / retrospectives / demos).• Task decomposition and collaboration on the product roadmap with analysts and PMs.• Making and discussing architectural design decisions.• Participating in the development of key product features and enhancing our CI/CD pipelines.• Conducting technical interviews.Tech stack: Java, Spring Boot, Hibernate, Apache Kafka, Oracle DB, GrindGain

As a senior Java developer, I worked on two large projects:• An application server that interpreted code written in our proprietary DSL (PL+) and generated user web forms.• Form editor and syntax highlighting plugins for an Eclipse-based IDE, empowering our users with the ability to create forms, write code in PL+, and prepare them for viewing on our web engine.In both projects, I was involved in the entire feature development cycle (requirements gathering, feature architecture design, development, and code review).Additionally, I mentored newcomers and participated in the technical interview process.Tech stack: Java, Spring Framework, Hibernate, Oracle DB, EMF, Eclipse RCP, Ext JS

Participated in the development of various features for a large-scale accounting system as a Python developer.

Took part in the design and implementation of various software solutions for self-check-in kiosks, statistical exchange clients, and server-side components for different medical systems.