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C# Developer

Date:  14 Nov 2026
Company:  QualityAI
Country/Region:  AR

Are you interested in working with the World’s leading AI-powered Quality Engineering Company? Ready to advance your career, team up with global thought leaders across industries and make a difference every day? Join us at QualityAI!


We are seeking an experienced C# Developer to support a on application development, database engineering, and business-to-business (B2B) process solutions.

 

Location:  Fully Remote (Canada | Argentina | Mexico)

 

Experience level: Specify the expected experience, such as 5+ years or 7+ years in C# development

 

Position Overview

We are looking for a hands-on C# Developer with strong SQL skills and knowledge of B2B business processes. The role involves application development, database enhancements, and technical troubleshooting. The ideal candidate should be able to work independently, understand business requirements, and collaborate with stakeholders to deliver effective solutions.

 

Key Responsibilities

  • Design, develop, test, and maintain applications using C# and the .NET ecosystem.
  • Create, modify, and optimize SQL database components, including tables, stored procedures, triggers, and complex queries.
  • Translate B2B business requirements into technical solutions that support operational workflows.
  • Troubleshoot and resolve application, database, integration, and batch-processing issues.
  • Analyze system interfaces, data flows, and dependencies to identify and resolve technical challenges.
  • Collaborate with business stakeholders and technical teams to deliver project requirements.
  • Follow development best practices to ensure code quality, performance, and maintainability.
  • Prepare technical documentation and facilitate knowledge transfer.

 

Required Qualifications

  • C# Development: 5+ years of hands-on experience developing and supporting applications using C# and .NET.
  • Advanced SQL: Strong proficiency in SQL, including database development, table creation, stored procedures, triggers, complex queries, and query optimization.
  • B2B Domain Knowledge: Solid understanding of B2B business processes, system integrations, data exchange, and enterprise workflows.
  • Troubleshooting: Strong debugging and analytical skills with experience resolving application and database issues.
  • Problem-Solving: Ability to quickly understand existing technical environments and develop practical solutions.
  • Communication: Strong verbal and written communication skills, with the ability to work effectively with technical and business teams.
  • Ownership: Ability to work independently, manage priorities, and deliver quality results within project timelines.

 

Preferred Qualifications

  • Experience with Fuel Management Systems.
  • Experience with Fleet Management Systems.
  • Knowledge of networking concepts, connectivity, and troubleshooting.
  • Experience with Control-M job scheduling, monitoring, and troubleshooting.
  • Familiarity with enterprise application integrations and batch-processing environments.

Benefits:

Why QualityAI?
QualityAI is an AI-first quality engineering company helping enterprises deploy and scale complex systems with greater confidence. Operating across data, models, platforms, infrastructure, and operational environments, the company provides assurance and engineering expertise that helps organizations ensure systems perform reliably in real-world conditions.

 

Formerly Qualitest, QualityAI supports global enterprises across regulated and technology-driven industries, combining deep engineering heritage with AI-enabled delivery, operational assurance, and lifecycle expertise to help clients achieve certainty at go-live.

 

  • Be a part of a company who strives to support for diversity and inclusion in the workplace - we are one, we are many at QualityAI. Celebrate culture, share knowledge with engineers from around the globe, and inspire each other through our differences.
  • Local and global opportunities - we offer you internal rotation and international mobility opportunities to grow your career.
  • Clear view of your career and progression with the company - QualityAI is growing massively (since Jan 2021 - added more than 2000 engineers) and giving you the opportunity to grow with us.
  • Never stop experimenting and learning with QualityAI Tech academy: 3000+ training courses, mentorship programs, technical tribes, sponsored certifications, leadership programs and much more.
  • Earn bonuses via our Client Referral and Employee Referral Program’s. Refer and earn - tap your network for net-worth.
  • Competitive pay.

 

If you like what you have read, send us your resume and let’s start talking!

 

Apply now »