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adampolyanskiy/README.MD

Adam Polyanskiy

C#/.NET Backend Developer | 5+ Years of Experience
πŸ“ GMT+4 | πŸ“§ [email protected] | LinkedIn | GitHub


πŸ‘‹ About Me

I am a C#/.NET Backend Developer with over 5 years of professional experience in building scalable, secure, and maintainable solutions. I have contributed to teams ranging from 2 to 20 members in agile environments, both on-site and remotely. With 1 year of team-leading experience, I take pride in mentoring junior developers and fostering collaborative work environments.

I specialize in containerization, cloud deployments, CI/CD pipelines, testing, and analytics. I’m passionate about the .NET ecosystem and constantly stay updated with modern tools, frameworks, and best practices. My familiarity with modern frontend frameworks ensures seamless collaboration across teams and effective end-to-end delivery of production-ready systems.


πŸ’» Skills

Backend & .NET

  • C#, .NET 6+, ASP.NET Core
  • Microservices, Entity Framework Core
  • PostgreSQL, Redis
  • MSTest, xUnit
  • OpenID, OAuth 2.0
  • RESTful APIs, SignalR, WebSockets

Cloud & DevOps

  • Azure (App Services, Azure Functions, Azure SQL Database)
  • AWS (EC2, Lambda, S3, RDS, ECS/EKS)
  • Docker, Kubernetes
  • RabbitMQ, Kafka
  • Jenkins, GitLab, Bitbucket
  • Grafana, Elasticsearch

Other

  • Angular, React, Vue.js
  • HTML, CSS, JavaScript/TypeScript
  • Agile/Scrum Methodologies
  • Swagger, Postman

πŸ† Experience

08/2022 – Present (2.5+ Years)
Role: .NET Backend Developer

  • Enhanced .NET microservices by optimizing architecture, reducing resource usage by 31.8% during high-load periods.
  • Migrated on-premises microservices to cloud, leveraging AWS Lambda for serverless execution, cutting infrastructure costs by 12.4%.
  • Developed a simulation tool for vehicle telemetry data, reducing post-release bugs by 13.2%.
  • Integrated Grafana for real-time microservices performance monitoring, streamlining access to insights.
  • Designed a custom authorization server supporting Google, Apple, and Microsoft authentication, reducing login-related tickets by 12.5%.

Technologies: C#, .NET 6+, ASP.NET Core, Docker, Kubernetes, Grafana, Elasticsearch, AWS, MSTest, Jenkins, Angular


08/2020 – 07/2022 (2 Years)
Role: .NET Backend Developer

  • Led the development of a BI web application using .NET and React.
  • Designed a real-time service availability notification system, reducing downtime-related support tickets by 51.5%.
  • Increased code coverage by 25-30% through MSTest implementation, reducing bugs significantly.
  • Refactored a monolithic backend into Docker containerized microservices deployed on Azure Cloud, reducing deployment time by 27.9%.

Technologies: C#, .NET 6+, ASP.NET Core, Docker, Azure, MSTest, PostgreSQL, Vue, React


06/2019 – 08/2020 (1 Year)
Role: .NET Developer

  • Developed an installment payment service, increasing successful checkouts by 13.3%.
  • Built an automated link reminder system, reducing abandoned payments by 8.2%.

Technologies: C#, ASP.NET Core, RabbitMQ, HTML, CSS, Angular, xUnit, Bitbucket


πŸŽ“ Education

  • Tomsk State University (Master's), 2021 – 2023
    Computer Science
  • TUSUR (Bachelor's), 2017 – 2021
    Engineering

πŸ”— Let's Connect!

Feel free to reach out via email or connect with me on LinkedIn.

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