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Vitalii ChernykhVC

Vitalii Chernykh

Senior Full-Stack .NET & Angular Developer

€ 275/dag
Rotterdam, NL
8-15 jaar

Gemiddelde responstijd: 1 uur

Over Vitalii

Hi, my name is Vitalii. I am a Senior Software Engineer living in the Netherlands, and I have been developing software for over 12 years.

Throughout my career, I have worked on freelance projects and large enterprise solutions. I have covered the full development cycle and have experience in all key aspects of software development: backend, frontend, databases, integrations, cloud solutions, and process automation.

When I work on a task, I focus on finding a practical solution. I try to understand the problem clearly and bring the work to a logical result. I also communicate with business stakeholders and users to understand their needs and expectations.

For the past three years, I worked at EPAM. During my time there, I gained valuable experience in developing corporate applications and participated in projects for major companies such as Baker Hughes and Wood. Both companies operate in the energy sector.

Throughout my career, I have worked with almost all major technologies in the .NET ecosystem: C#, ASP.NET, SQL, WPF and Xamarin. I also have experience with Angular, TypeScript, JavaScript, Azure, AWS, Docker, CI/CD, PowerShell, as well as automated integration tests with SpecFlow within the Behavior Driven Development approach.

At the same time, I do not limit myself to .NET only. In both work-related and personal projects, I also actively use Python, Node.js when they help solve a task faster and more effectively.

In recent years, I actively apply AI-driven development in my work. I use AI LLM tools such as Claude Code and Codex. Following the principles of spec-driven development helps me deliver products quickly and with high quality.

In my free time I work on my own projects: WebCAD for furniture design and a marketplace for home services.

If my profile and experience are of interest to you, I would be happy to discuss cooperation and long-term work with you.
  • Engels

    Tweetalig / moedertaal

  • Russisch

    Tweetalig / moedertaal

  • Duits

    Basiskennis

  • Nederlands

    Basiskennis

Kan op locatie werken
Rotterdam (tot 50km)

Werkervaring

  • Self employed
    Senior Software Engineer
    DIGITAAL BUREAU & IT-CONSULTANCY
    juli 2025 - Vandaag (11 maanden)
    Delft, Nederland
    Web-CAD prototype for cabinet furniture
    • Built a 3D panel editor with snapping, constraints validation, and auto-fit sizing; implemented
    • CSG-based dowel drilling and STEP import/export
    • Techstack: TypeScript, Three.js, Vite, Vitest
    Laptop Listing Evaluation Platform
    • Built a backend that ranks laptop listings via a multi-step LLM pipeline with cache-first singleflight orchestration
    • Integrated CPU/GPU benchmark lookup and strict API validation

    • Techstack: C#, .NET 10, ASP.NET Core, xUnit, FluentAssertions, LLM Z.AI API, TDD
    Home & Repair Services Marketplace
    • Implemented auth flows and RBAC (email/password, Google OAuth, role-based routes)
    • Developed serverless backend for profiles and verification workflows
    • Techstack: React, TypeScript, Vite, AWS Amplify, Cognito, Lambda, API Gateway, DynamoDB.
    AI Automation Amazon Web Services .NET Typescript C#
  • EPAM Systems, Inc.
    Senior Software Engineer
    ENERGIE
    december 2021 - mei 2025 (3 jaren en 5 maanden)
    Delft, Nederland
    Baker Hughes (Energy sector, drilling and oil and gas production)
    • Developed PowerShell scripts to automate the setup and execution of SpecFlow regression tests, including dynamic project creation and dependency management via NuGet
    • Designed and implemented domain logic for the Depth of Detection feature
    • Contributed to unifying two large WPF applications (RNS2D and RTR) into a single integrated Reservoir Navigation Services product
    Wood PLC (Energy sector, digital transformation project)
    • Implemented multi-tenancy architecture for a distributed web and mobile (Windows, iOS, Android) application, consolidating client-segregated instances by geographic region and significantly reducing infrastructure costs
    • Played a key role in stabilizing a large-scale construction work pack management system by resolving critical and long-standing defects
    • Updated REST API contracts and synchronization logic in a Data Orchestrator to ensure reliable data exchange between external client systems and the core web application
    • Fixed a complex PDF generation issue that had existed for a long time. The solution was later adopted by another development team
    • Fixed a critical production performance issue and implemented automated SQL Server statistics updates
    • Applied DDD to define bounded contexts and structure domain models for multi-tenant and integration services.
    .NET C# Windows Presentation Foundation Microsoft Azure Domain Driven Design
  • Genolis, LLC.
    Senior Software Engineer
    DIGITAAL BUREAU & IT-CONSULTANCY
    januari 2014 - januari 2021 (7 jaren)
    Moscow, Rusland
    • • Worked across the full development lifecycle (UI, backend, deployment) on key company projects
    • Delivered 5 projects end-to-end, significantly enhanced 2 products, and maintained/improved 7 enterprise systems
    • Integrated external services using SOAP and XML
    • Designed and integrated claims-based authentication and authorization
    • Integrated external web services (HTTPS) and implemented unit/integration testing
    • Deployed projects to production environments via SFTP
    • Improved e-commerce checkout flow (guest checkout, click & collect)
    • Developed asset maintenance, stock control, and compliance reporting features for healthcare systems
    • Built full materials traceability solutions for chemical manufacturing
    • Performed database migration from RavenDB to Microsoft SQL Server
    • Developed a mobile application for RFID scanning
    • Designed database schemas and implemented data access using Entity Framework, applying Code First, Model First, and Database First approaches
    ASP.NET Core Typescript .NET Transact-SQL Angular

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Opleidingen

  • Master of Computer Science
    Ufa State Aviation Technical University
    Master of Computer Science

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