Sviatoslav

Svialoslav Chaikovskyi, .NET Developer
Remote, [открыть контакты](см. выше в блоке «контактная информация»), [открыть контакты](см. выше в блоке «контактная информация»)
LINKS Telegram, LinkedIn

PROFILE Responsible developer with 2.5 years of experience in high-load projects for hundreds of
thousands of users. I want to join a team of enthusiastic developers that promotes the
development of technologies such as C#, ASP.NET, SQL and NoSql. I have good knowledge of
microservice and monolithic architectures, knowledge of HTML, CSS, JS, React. I appreciate
clean, well-structured and beautiful code. I think systematically and at scale, I am able to
validate ideas and select the one that suits best in a particular case.

EMPLOYMENT HISTORY

Jun 2023 — Feb 2025 FullStack .Net developer, IntenseLab Remote
• Development of a microservice architecture for a high-performance application that provides
statistical and analytical market data to clients using WSS and MessageBuses (RabbitMQ,
Apache Kafka) for communication
• Development of MinimalAPI using the FastEndpoints ecosystem and OpenAPI documentation
• Optimization of the Blazor WASM UI and backend for working with a large amount of data,
request execution time decrease.
• Building an adaptive Blazor WASM interface than provided analytics data, using REST and
WebSocket
• Implement shared Integration testing framework(using TestContainers) for microservices that
allowed to set up tests projects for different services without code duplication
Jan 2024 — Feb 2025 Backend .Net developer, IntenseLab Remote
• Support and development of a server for payments and asset trading
• Implement UserManagement API for authorization in all services of the system, using the SSO
approach. Thats allowed to standardize the approach to authentication and create single
source of truth.
• Сhanging the approach to communication between all system applications. Migration from
WebSockets to RabbitMQ and Kafka, creation of NuGet packages to incapsulate logic of
working with message buses and provide clear interfaces to other commands
Feb 2025 - Present FullStack .Net developer, Extracode Remote
• Design and maintain .NET microservices (ASP.NET Core, gRPC, Razor Pages, React) for a large
energy-utility platform with complex billing and finance domains.
• Build Kubernetes-native CI/CD (Azure DevOps, Docker), optimize pipelines, automate builds,
tagging, and cluster deployments.
• Implement observability and reliability: Serilog structured logging, Grafana/Loki/Prometheus
dashboards, alerts, and root-cause analysis tooling.
• Engineer data-intensive workflows using PostgreSQL, SQL Server, MongoDB: migrations, bulk
operations, sequence safety, large Excel import/export.
• Develop React and .NET MAUI clients: async progress UI, virtualization, biometric auth,
localization, brand-specific theming.
• Automate platform operations via Kubernetes CronJobs and Python scripts, monitoring
databases and system limits, pushing custom metrics.

KEY COMPETENCIES
Technology stack
C#, .NET, ASP.Net Core, WebAPI, MS SQL, PostgreSQL, NoSQL, RabbitMq, Kafka, Docker, Docker
compose, Kubernetes, React, Razor pages, gRPC, HTTP, xUnit, TestContainers, Prometheus
stack, Azure, ACR, MAUI
Best practices
OOP, SOLID, Design Patterns, Clean/Onion/Vertical slice/Microservice Aechitecture,
Unit/Integration tests, TDD
Languages
English - Intermediate, Ukraine - Native, Polish - Intermediate

EDUCATION
Sep 2021 — Jun 2025 Bachelor of Software Engineering, Lviv Polytechnic National University