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Senior Fullstack Developer, .NET, C#, WebForms, ASP.NET

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Fullstack Developer responsible for developing and maintaining web applications using .NET Framework and ASP.NET at Reply, a leading IT multinational in Europe.

Posted 7/16/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Proficient in developing and maintaining web applications using the .NET Framework and ASP.NET, with strong capabilities in C#, SQL Server, and integration of REST APIs. Experienced in agile methodologies and technology migration processes, contributing to architectural improvements and application support.

Highest-signal resume keywords
C#ASP.NETSQL ServerREST APIsAgile Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
C#ASP.NETSQL ServerREST APIsJavaScriptHTMLCSSFrontend FrameworksGitAzure
Tools & Technologies
.NET FrameworkWebFormsAPIs
Industry Keywords
Legacy SystemsModernization InitiativesApplication SupportArchitectural ImprovementsPerformance ImprovementsTechnology Migration

Tech Stack

Tools & technologies
ASP.NETAzureJavaScript.NETSQL

About the role

Key responsibilities & impact
  • Develop and maintain web applications using the .NET Framework and ASP.NET.
  • Work with both legacy systems and modernization initiatives.
  • Build integrations between systems and APIs.
  • Participate in corrective and evolutionary maintenance and application support.
  • Contribute to architectural and performance improvements.
  • Support technology migration processes when required.

Requirements

What you’ll need
  • Strong experience with C#.
  • Knowledge of ASP.NET and WebForms.
  • Experience with SQL Server.
  • Familiarity with REST APIs.
  • Experience with JavaScript, HTML, CSS and frontend frameworks.
  • Experience with Git and agile methodologies.
  • Knowledge of Azure.

Benefits

Comp & perks
  • Cutting-edge environment / Innovation at the core – challenging projects alongside qualified specialists.
  • Continuous learning – discounts and partnerships with leading universities and tech platforms in Brazil.
  • Language support – special conditions on language-learning platforms.
  • Remote work (fully remote).