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ND

NTT DATA Romania SA

via Successfactors

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Senior Software Engineer (.NET & Windows Forms)

Anywhere
Full-time
Posted 12/4/2025
Direct Apply
Key Skills:
C#
ASP.NET Core
Windows Forms
Entity Framework
LINQ
Telerik UI
OOP
SOLID
RESTful APIs
Agile

Compensation

Salary Range

$90K - 130K a year

Responsibilities

Develop and maintain desktop applications and backend APIs using C# and .NET technologies with a focus on performance and maintainability.

Requirements

5+ years experience in C#, .NET Framework, Windows Forms, ASP.NET Core, Entity Framework, and RESTful API development with Agile experience.

Full Description

Who We Are   Our client is a world-leading reinsurance and risk management company, delivering comprehensive solutions across insurance, underwriting, and data-driven risk assessment. With a strong focus on innovation and long-term stability, they support clients in addressing complex risks and driving sustainable value in an ever-changing global landscape.   What You’ll Be Doing   Develop and maintain robust desktop applications using C#, .NET Framework, and Windows Forms, ensuring high performance, stability, and user-friendly interfaces Implement and maintain backend components and RESTful APIs using ASP.NET Core Design efficient data access layers using Entity Framework, LINQ, and Microsoft SQL Server (MSSQL) for secure and performant data operations Work with Telerik UI components to enhance desktop application functionality and user experience Apply OOP and SOLID principles to ensure maintainable, scalable, and high-quality codebases Write clean, testable, and well-structured backend logic, emphasizing performance, reliability, and long-term maintainability Implement asynchronous programming (async/await) where necessary to improve responsiveness Collaborate closely with cross-functional teams to gather requirements, refine specifications, and deliver high-quality solutions aligned with business needs Participate in code reviews, contribute to architectural decisions, and ensure adherence to coding standards Troubleshoot, debug, and optimize existing applications with a strong focus on performance and stability Contribute to technical documentation, including system specifications and implementation details Work within Agile/Scrum teams to deliver incremental improvements and support continuous integration and delivery processes Excellent command of both spoken and written English.   What You’ll Bring Along   Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience Minimum 5 years of experience in software development, with strong focus on C#, .NET Framework, and Windows Forms Strong hands-on experience with .NET Framework and .NET Core / .NET 5/6/7/8+ for backend and API development Proficiency with Entity Framework, LINQ, and ORM concepts for building efficient and maintainable data layers Solid experience integrating and consuming RESTful APIs and working with ASP.NET Core for backend services Strong foundation in OOP, SOLID, and software engineering best practices Experience using Git or other version control systems Hands-on experience with Telerik WinForms UI controls and the Telerik Data Access ORM. Strong debugging, analytical, and problem-solving skills Excellent communication abilities and confidence in interacting with both technical and non-technical stakeholders Experience working with Agile development methodologies and delivering software in an iterative, collaborative environment. Excellent command of both spoken and written English.   Nice to Have   Exposure to Azure or other cloud platforms Experience with unit testing frameworks such as xUnit, NUnit, or Moq Knowledge of CI/CD pipelines, build automation, and DevOps practices Understanding of desktop UX/UI design principles Familiarity with modern frontend technologies (HTML, CSS, JavaScript) for integration scenarios

This job posting was last updated on 12/5/2025

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