Anton Usachov Email & Phone Number

Berlin, DE

Kyiv, Kyiv City, Ukraine

• Provided accurate time estimates and participated in sprint planning to prioritize tasks andset realistic goals for delivery
• Proactively identified and troubleshooted technical challenges, reduced downtime andmaintained high standards of code quality without direct supervision.
• Made key architectural decisions for services under my responsibility, ensuring scalabilityand long-term maintainability
• Facilitate efficient communication and collaboration in cross-functional teams by organizingand leading technical discussions and code reviews.
• Developed new features and ensured they were fully covered with tests, improving systemstability and reducing bugs
• Implemented per-microservice integration tests, based on Cucumber, that improvedstability, increased quality and decreased developer's time for testing by almost 2 times.

Switzerland

• Effectively set personal goals and deadlines, tracking progress with agile methodologiesand iterative development cycles.
• Refactored legacy code to enhance performance and readability, reducing technical debtand improving maintainability
• Integrated system with Austria and Germany fiscally authorities's API. That feature holds alot of clients from those states.
• Moved system from Play2 to Spring boot that significantly decreased time for developmentand made possible to distribute system into smaller, meaningful blocks.
• Created tests for emails, which reduced by about 10 hours the testing time before therelease

Vinnytsya, Ukraine

• Led a team of developers in the implementation of microservices architecture, enhancingsystem modularity and flexibility.
• Utilized advanced Java frameworks such as Spring Boot and Hibernate to create robustRESTful APIs and seamless data management layers.
• Implemented delivering ads, promotions, gifts to users, according to the configuredconditions.
• Integrated of Backoffice services with legacy part of the project, taking into accountperformance.

Vinnytsya, Vinnytsya, Ukraine

• Wrapped Data scientist’s algorithms with python-based microservice and integrated it intothe system.
• Designed, developed and supported of complex features, refactoring and performanceenhancements
• Created integration with Wallmart online shop, that brought the company of a large client
• Integrated different 3-rd party services like AccuWeather or Google image AI analysis

Vinnytsya, Ukraine

• Implemented logic of new features for different machines on server side, refactored of oldcode, made performance improvements (JProfiler)
• Created backend-side and game logic for a separate game “Scratch That!” and integrate itwith other Playtika’s infrastructure. (Java, Mockito, Mysql, JUnit, Git)

Vinnytsya, Ukraine

• Created AIR plugin for mobile flash games and demo applications that shows main project’sfunctionality to customers (ActionScript3, Java, C#)

Vinnytsya, Ukraine

• Created a java applet, where the user could load a photo and it will appear on 3d figure,similar to Vancouver Olympic stadium. (Java)
• Created one more clone of FarmVille, implement algorithm for sorting buildings on the field(ActionScript3)

Vinnytsya, Ukraine

• Fixing bugs under TL’s supervision, Creating Integration with Microsoft SharePoint Server(C++)

Vinnytsya, Ukraine