.NET Developer

Location: Remote; office or remote work is available

Company

hirify.global is a Ukrainian hybrid IT company and Diia.City resident that develops mobile, web, and high-performance technology solutions as a subsidiary of Kyivstar.

What you will do

• Develop and enhance functionality for an internal corporate HR system.
• Analyze and safely modify legacy .NET code, XML configurations, XSLT transformations, and generated components.
• Investigate existing subsystems and reconstruct their logic from code, data structures, and system behavior.
• Develop algorithms, modules, and integrations with internal systems and external services.
• Work with SQL databases, ORM, SSRS, IIS, and related infrastructure while diagnosing application and integration issues.
• Support technical documentation, business requirements clarification, user guidance, and gradual migration to a modern .NET stack.

Requirements

• 2+ years of commercial experience developing enterprise solutions with C# and .NET Framework.
• Strong understanding of OOP, design patterns, separation of responsibilities, and legacy code analysis.
• Practical experience with ASP.NET Web Forms, SQL, relational databases, indexes, transactions, and query optimization.
• Experience with XML, XSD, XML validation, XSLT, ORM technologies, Microsoft IIS, and ASP.NET deployment troubleshooting.
• Experience integrating systems through REST API, SOAP, or web services, including HTTP, authorization, data formats, TLS, and certificates.
• Experience with Git, basic MSBuild, CI/CD concepts, Jira, Confluence, technical documentation, and stakeholder communication.

Nice to have

• Experience with NHibernate, SSRS, XML/XSLT code generation, or document generation without COM.
• Knowledge of modern .NET, ASP.NET Core, EF Core, or Dapper.
• Experience with React, message brokers, automated testing, or legacy system modernization.
• Experience with large-scale enterprise or corporate systems.

Culture & Benefits

• Remote work, office work, and remote onboarding options.
• Performance bonuses paid annually or quarterly depending on the role.
• Access to an internal learning library, company programs, and partner training resources.
• Health and life insurance, a wellbeing program, and access to a corporate psychologist.
• Reimbursement of Kyivstar mobile communication expenses.