• Developed, enhanced, and maintained software solutions.• Designed and realized a solid and thread-safety Java SDK which increased the number of our customers by giving them an additional method of interacting with our system.• Raising product performance and robustness by making periodic refactorings amid general tasks.• Minimized the number of possible bugs in the project by covering more than 90% off code by unit tests.• Boosted the company's team's productivity by designing, developing, and maintaining some company's inner tools on Java, Kotlin, and Python.• Upon request from the client, I conducted research based on which I created a proof of concept for the integration of our service with Hibernate.

• Collaborated in a team-based, Agile environment to accomplish objectives by deadlines.• Developed, enhanced, and maintained RESTful application with Spring framework and Oracle database.• Created and maintained microservices using Spring Boot.• Transformed legacy application into an up-to-date Spring Boot project by making full reengineering and replacing EJB and JSF with Spring Boot.• Eliminated data layer unnecessary complexity by replacing Hibernate with Spring Data and then eventually with Mybatis.

• Engineered and built a business system for local city water supplies.• Created B2b systems including all system's parts: backend (Python, Django), frontend (JavaScript, jQuery, Backbone, Marionette, HTML and CSS) and database (PostgreSQL).• Collaborated with customers on purpose of making the system more robust and suitable.• Coordinated the mentoring and education of junior developers.

• Developed application with microservice architecture using Python programming language.• Created an installation package for application.

• Programmed Altera FPGAs using Verilog hardware description language (HDL).• Modelled multiple electronic systems via Altera FPGA.