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Senior
Регистрация: 25.11.2025

Valerii Abakumov

Специализация: Full-Stack / Backend .NET Developer
— Senior Software Engineer with 12+ years building scalable backend and full-stack applications in C#, .NET Core, ASP.NET Core, and modern JavaScript frameworks (Angular, React, Vue). — Expert in microservices architecture, cloud solutions (Azure), containerization (Docker, Kubernetes), and CI/CD pipelines (Azure DevOps, GitLab). — Proven track record implementing TDD and automated testing (unit, integration, acceptance), migrating monoliths to microservices, and leveraging AI dev tools (GitHub Copilot with Claude Sonnet) to accelerate development. — Strong experience with SQL Server, PostgreSQL, EF Core, RabbitMQ, gRPC, and REST APIs.
C# .NET Core .NET Angular Vue.js SQL Node.js nosql MongoDB PostgreSQL SQL Server ELK LINQ Модульное тестирование Jira NUnit Grafana Microservices DDD GitLab Integration Testing Confluence Azure Acceptance Testing Automation Testing Test Driven Development GitHub Docker Kubernetes RabbitMQ VS Code React
— Senior Software Engineer with 12+ years building scalable backend and full-stack applications in C#, .NET Core, ASP.NET Core, and modern JavaScript frameworks (Angular, React, Vue). — Expert in microservices architecture, cloud solutions (Azure), containerization (Docker, Kubernetes), and CI/CD pipelines (Azure DevOps, GitLab). — Proven track record implementing TDD and automated testing (unit, integration, acceptance), migrating monoliths to microservices, and leveraging AI dev tools (GitHub Copilot with Claude Sonnet) to accelerate development. — Strong experience with SQL Server, PostgreSQL, EF Core, RabbitMQ, gRPC, and REST APIs.
C# .NET Core .NET Angular Vue.js SQL Node.js nosql MongoDB PostgreSQL SQL Server ELK LINQ Модульное тестирование Jira NUnit Grafana Microservices DDD GitLab Integration Testing Confluence Azure Acceptance Testing Automation Testing Test Driven Development GitHub Docker Kubernetes RabbitMQ VS Code React

Портфолио

Mobile Social Sharing App | Freelance, NDA | In Development

Main software engineer

AI-Automated Telegram Art Channel | Active

Built automated content generation pipeline using Make.com, Perplexity API, OpenAI API, and Telegram Bot API. Reduced manual posting time by 85-90% while maintaining consistent engagement. LinkedIn case study is attached.

postvibe.app - AI-Copilot for content creators

Founder

Скиллы

C#
SQL
Typescript
.NET Core
ASP.NET Core
EF Core
LINQ
PostgreSQL
MongoDB
React
Angular
Vue
Test-Driven Development
DDD
SOLID
CQRS
CQS
Microservices
Clean Architecture
Docker
Kubernetes
RabbitMQ
Grafana
ELK
Azure DevOps
GitHub
GitLab
Jira
Confluence
VS Code
GitHub Copilot
Claude Sonnet 4/4.5
GPT-5
Windsurf
xUnit
NUnit
MS Test
FluentAssertions
Automated Tests
Acceptance Testing
Integration Testing
Unit Testing

Опыт работы

Senior Full-stack Developer (C# .NET & Angular, B2B)
с 11.2024 - По настоящий момент |Eurofins
.NET Core, MS SQL Server, C#, Angular
• Developed and enhanced internal CRM system for multinational company. • Designed and implemented new .NET Core services and Angular components. • Managed builds, releases, and dev environments in Azure. • Conducted code reviews and collaborated within distributed Scrum team. • Leveraged AI devtool (GitHub Copilot) for tasks implementation and development acceleration.
Senior Developer (C# .NET, B2B)
11.2022 - 11.2024 |SD Technologies
.NET 7, FluentValidation, xUnit, Jira, Confluence, GitLab CI/CD
● Developed cloud POS system used across multiple US states. ● Built and maintained microservices and monolithic modules in .NET 7. ● Improved system reliability by managing technical debt and resolving production incidents. ● Implemented unit and functional testing, FluentValidation, and xUnit. ● Collaborated via Jira/Confluence and managed releases in GitLab CI/CD.
Senior .NET Developer
06.2019 - 07.2022 |SibDigital
gRPC, RabbitMQ, TDD, CI/CD, CQRS, .NET Core
● Developed backend for 'Digital Repairs' and 'Digital Rounds' mobile applications used across 25 factories. ● Migrated backend from monolithic service to microservices with gRPC and RabbitMQ. ● Resolved memory leaks and optimized performance of distributed services. ● Advocated TDD and integrated automated tests into CI/CD pipelines. ● Improved architecture using CQRS and .NET Core built-in tools.
Head of .NET Department / .NET Resource Manager
07.2021 - 07.2022 |SibDigital
.NET
● Hired, onboarded, and managed mid/senior/lead developers. ● Created internal .NET code style guide and organized knowledge-sharing sessions. ● Grew department from 5 to 14 developers aligned with project expansion.
Full-stack Developer (.NET, React)
05.2017 - 06.2019 |Alfa-Bank
.NET Core, EF Core, SQL Server, React, Redux
● Built Commission Management System enabling tariff modifications. ● Designed backend with .NET Core, EF Core, and SQL Server; frontend with React/Redux. ● Introduced Jenkins CI pipelines and shared libraries for ~30 developers. ● Increased test coverage from 0% to ~45% through unit and integration testing. ● Delivered in-house training on .NET testing practices.
Full-stack Developer (.NET, ASP.NET MVC)
11.2014 - 05.2017 |LifeIT
.NET Framework, ASP.NET MVC, WPF, SOLID, Git
● Developed multiple customer solutions in .NET Framework, ASP.NET MVC, WPF, and Windows Forms. ● Implemented SOLID principles, CI, and Git version control.
C# .NET Developer
06.2013 - 11.2014 |Telekom Service IT
WinForms, WPF, Entity Framework, SQL Server
● Developed desktop and web applications with WinForms, WPF, Entity Framework, and SQL Server. ● Gained practical experience with source control and regex parsing.

Образование

Automated Control Systems
По 2013
Moscow State University of Civil Engineering

Языки

АнглийскийПродвинутыйРусскийРодной