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ROSTYSLAV PYTLIAR
.NET SOFTWARE DEVELOPER | C# • .NET
Kremenchuk, Ukraine • [відкрити контакти](див. вище в блоці «контактна інформація») • [відкрити контакти](див. вище в блоці «контактна інформація»)
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PROFESSIONAL SUMMARY
Software Developer focused on backend development with C#, .NET and ASP.NET Core. Experience includes building and
maintaining microservices, working with distributed systems, and applying parallelism and multithreading to performance -related
tasks. Also interested in applied mathematics and research-oriented software development.

PROFESSIONAL EXPERIENCE
CloudWorks | Software Developer (.NET / ASP.NET / C#) Dec 2023 – Present
Designed and implemented microservices using .NET and ASP.NET Core.
Developed backend solutions for distributed systems, with a focus on performance and reliability.
Applied parallelism and multithreading to improve system performance and responsiveness.
Maintained and improved an existing codebase, supporting system stability and addressing technical debt.
Actively used AI coding assistants, including Claude Code, to explore existing codebases, assist with implementation,
debugging and refactoring, while reviewing and validating generated code.

TECHNICAL SKILLS
Backend: C#, .NET, ASP.NET Core, REST, GraphQL
Data & Caching: SQL (MSSQL), Redis
Tools: Git, Claude Code, MCP, Postman, Google Cloud Platform
Additional: Python, Java, Pandas, basic PyTorch

EDUCATION
Kharkiv Polytechnic Institute | Master’s Degree in Dec 2025
Applied Mathematics
Kharkiv Polytechnic Institute | Bachelor’s Degree in Jun 2024
Applied Mathematics

RESEARCH & ACTIVITIES
Deep learning models for applied research tasks; applied calculus, statistics, linear algebra and optimization to computati onal
and engineering problems.
Participated in the first stage of ICPC, the Ukrainian University Cup, and the second stage of a Ukrainian Olympiad.
Research and development related to defense systems for Ukrainian defe nders.

LANGUAGES
Ukrainian (Native) • Russian (Fluent) • English (Upper-Intermediate / B2)