Senior .NET Developer (Fintech)

TL;DR

Senior .NET Developer (Fintech): Designing and maintaining critical applications for sophisticated financial operations with an accent on backend ecosystem development using .NET and MSSQL. Focus on ensuring high performance, security, and scalability of banking systems.

Location: Hybrid; must be based in Poland, with 2 days per month required in the Łódź office

Company

hirify.global is a consulting firm specializing in engineering for sophisticated financial operations and banking systems.

What you will do

• Design, develop, and maintain critical applications supporting complex financial operations.
• Develop the backend ecosystem using .NET/C# and MSSQL/T-SQL.
• Apply system design methodologies to deliver clean, maintainable, and high-performance code.
• Implement rigorous unit testing and test automation to meet strict financial software standards.
• Ensure the security and scalability of core banking systems.

Requirements

• At least 4 years of experience with C#, .NET, WCF, SQL, SSIS, HTML, MVC.NET, and ASP.NET.
• Proficiency with MSSQL, Visual Studio, Git, JIRA, MSBuild, TeamCity, and PowerShell.
• Strong command of English for working with complex technical documentation.
• Ability to work from the Łódź, Poland office (2 days per month).

Nice to have

• Practical experience with Blazor.
• Familiarity with containerization and orchestration via Kubernetes (K8s).
• MCTS certifications in .NET Framework 4.0 or ASP.NET Applications.

Culture & Benefits

• Highly flexible hybrid work model requiring minimal office presence.
• Modern office environment in Łódź.
• Excellent work-life balance.
• Stable environment valuing engineering excellence and structural stability.