May 2018 – Present · 7 yrs 10 mos · Tallinn Metropolitan Area

• Patternica aims to build trust and stability with innovative software solutions and a dedicated global team.
• Our Mission:
• Create an atmosphere of trust and stability in the world through a reliable team.
• Vision:
• Increase our presence at the international level in the field of software, developing revolutionary products and services that define the future of the industry and strengthen long-term partnerships for mutual progress and continuous development.
• Values (CIT):
• 1. Customer Orientation
• 2. Innovation
• 3. Trust

Jan 2018 – Sep 2019 · 1 yr 8 mos · Remote

• I had the privilege of serving as a Senior Java Developer for a US-based company, engaged through Upwork. Our project was centered on creating a cybersecurity tool for the US Army, designed to shield large enterprises by identifying undisclosed vulnerabilities, thereby preempting potential system risks. This project not only honed my expertise in security-sensitive development but also allowed me to be part of a dynamic international team, enriching my professional experience.
• My specific responsibilities included working on a document management component, akin to Google Docs, where I primarily focused on support and maintenance, alongside periodic development of new features. This role challenged me to ensure high reliability and security within the document management framework, contributing to the broader goal of safeguarding sensitive information and enhancing operational efficiency in a high-stakes environment.

Apr 2017 – Apr 2018 · 1 yr · Kyiv Metropolitan Area

• I worked on the Metric Insights project and this company provided me with the opportunity to try my best in new service creation. My colleagues were really good experienced developers and it was a great chance to work with them. The experience I got due to this work improved my skills, especially when it comes to the improvement of software performance.
• It was an interesting and challenging technical project as it was new technologies for me and the goal of it was to rework old traditional approaches. As a result, we developed a data processing system that calculates metrics for any type of data and it is integrated with an old UI and data collecting service. Moreover, I worked with a database that stored more than 100M records. In addition, I gained experience in stream data processing.
• Responsibilities on the position:
• Make architectural and design decisions
• Write robust manageable code
• Unit testing and pull requests review

Jan 2014 – Mar 2017 · 3 yrs 2 mos · Kiev Region, Ukraine

• Playtech is a gambling software development company. I was working on the Casino Mobile project.
• My work at Playtech provided me with experience in the full cycle of software development. I was involved in many different processes and communicated with many different people. It gave me an example of how the company should work.
• This work provided me with experience in modern Java Development. We used a classic Java technologies stack. I had a chance to develop end-to-end features.
• Responsibilities on the position:
• Analyze business requirements;
• Write robust manageable code;
• Take end to end responsibility for product development;
• Alpha testing and code review.