Position: Java Software Engineer
Category: Java
English level: upper
Years of experience: 4

Courses
Completed “Parallel Programming in Java” course by Rice University with highest marks in every task.

Achievements
•	3 times Ternopil Oblast Physics Olympiad absolute winner and all-Ukrainian Physics Olympiad participant (2016-2018)
•	2 times Ternopil Oblast Astronomy Olympiad winner (2017,2018)
ACUITYADS INC. | Senior Software Engineer Toronto, Canada | Nov 2022 – Present
• Designed and developed cache service with Kotlin & Spring, boosting data fetching speed and initial data load
speed by over 5 times.
• Led refactoring and improvement of place name search, places data model and autocomplete with Kotlin & Spring
improving data consistency and supported places coverage by 45%.
• Solutioned and led development of Meta integration into our service, meeting rate limits and high performance.
CML TEAM                             Kyiv, Ukraine | Feb 2021 – Present
• Designed and implemented microservices for a high load cloud-based system in AWS for USPS to substitute old system, improving data processing speed by over 2 times.
• Created and presented multiple POCs, making efficient architecture solutions meeting SLA.
• Designed and developed data storage with PostgreSQL and Elasticsearch.
• Led engineering of EZChoice - a platform to aggregate, compare and buy insurance plans from biggest insurance companies in Vietnam, integrated with their APIs, covering more than 80% of the market.
• Mentored 2 Intern Java & Spring developers, which lead to their receiving of full-time job offers.
• Implemented MVC architecture with Java & Spring and TS & React for fast-growing Austrian-German FinTech
platform Blockpit and covered code with unit tests and integration tests,resulting more than 85% test coverage.
• Conducted technical interviews, growing development team with visionary engineers.

INFOTECHCENTER             Ternopil, Ukraine | May 2019 - Jan 2021
• Developed new features and refactored Telegram Bot backend with Java & Spring, making it 40% more efficient.
• Designed and developed map tool and data management system with TS & React for Woonmodule SaaS suite for the real estate industry, building MVP.
• Supported ETL solution forreal estate company from USA, designed and developed a data validation microservice for ETL pipeline with batching logics to handle high load.
• Optimized SQL stored procedures and functions for internal company project, improving performance by 30%.
• Designed public REST API, providing clear documentation.
• Integrated with third-party APIs, adding payment features and data synchronization.
• Communicated with customers on business logic and goals, prioritizing development priorities and making clear development roadmap.
I am a Software Engineer with 4+ years of experience in numerous areas of computing and information technologies in full-stack development. Successfully applied solid knowledge of object-oriented design, system architecture, knowledge of algorithms and data structures, providing the highest quality of delivered products. Interested in finding best solutions for challenging tasks, problem solving, learning new technologies and achieving long term goals.