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SR BACKEND DEVELOPER C#

Interfell
UKRemotefull_timeVerifiedPosted 1 Dec 2025

About the role

Este es un puesto de trabajo remoto.

  • Develop and maintain applications using C#, Microsoft .NET Stack, and SQL Server.

  • Utilize web frameworks such as DevExpress and WinForms to design efficient and user-friendly interfaces.

  • Develop and optimize SQL queries and stored procedures to ensure efficient data retrieval.

  • Contribute to all phases of the software development lifecycle especially Agile methodologies.

  • Collaborate with cross-functional teams to define, design, and implement new modules and features.

  • Participate in peer reviews to identify potential issues and provide constructive feedback.

  • Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

  • Assist with troubleshooting, debugging, and upgrades of existing software applications.

  • Document development phases, create technical manuals, and provide post-deployment support.

Requisitos

Hard Skills

  • Proficient in C#

  • Strong knowledge of the .NET framework and  .NET Core, DevExpress and WinForms

  • OOP

  • Skill for writing reusable C# libraries

  • ERP solution development from 0

  • Knowledge of concurrency patterns in C#

  • SQL Server, queries and stored procedures

  • RESTful API Web Services.

  • Testing frameworks (XUnit or similar).

  • Software testing at unit, component, and system integration levels

Soft Skills

  • Strong collaboration and teamwork skills.

  • Attention to detail and commitment to delivering high-quaility code.

  • Poblem-solving mindset.

  • Clear communication skills.

  • Adaptability and proactive learning attitude.

  • Time management and organizational skills to handle multiple development tasks effciently. 

Knowledge and experience

  • At least 5+ years of experience in software development

  • Proficient in C#, with a good knowledge of its ecosystems

  • Strong knowledge of  the .NET framework and  .NET Core, DevExpress and WinForms to design efficient and user-friendly interfaces

  • Strong understanding of object-oriented programming

  • Skill for writing reusable C# libraries

  • Experience with ERP solution development from 0

  • Knowledge of concurrency patterns in C#

  • Knowledge  of SQL Server, queries and stored procedures

  • Knowledge of RESTful API Web Services.

  • Knowledge of  testing frameworks (XUnit or similar).

  • Knowledge of agile work methodology.

  • Clear understanding of software testing at unit, component, and system integration levels.

  • Familiar with integration and continuous delivery (CI/CD) concepts in DevOps.

  • Familiar with Cloud (Azure, AWS)infrastructure and technology understanding.

  • Nice to have:

    • ERP experience

    • JavaScript frameworks like Vue, React or Angular

    • Experience working with WinForms Frameworks like DevExpress or SyncFusion

    • Java

Professional Fields

  • Software Engineering.

  • Related fields.

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Company

Interfell

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