Senior .NET Developer

TL;DR

Senior .NET Developer (Backend): Building and maintaining complex back-end services for enterprise-level solutions with an accent on API design, database performance, and system integration. Focus on implementing robust SOAP/REST services, ensuring high code quality through testing and mentorship, and contributing to efficient CI/CD workflows.

Location: Must be based in Brazil or Colombia

Company

hirify.global is a global digital transformation partner helping large enterprises leverage AI and modern technology to drive business impact.

What you will do

• Design, build, and maintain back-end services using C#, ADO.NET, and SQL Server.
• Implement and evolve SOAP and REST APIs while ensuring versioning standards.
• Ensure service reliability through unit and integration testing and root-cause analysis.
• Collaborate on system integrations using software design patterns.
• Conduct code reviews and provide mentorship to junior team members.
• Contribute to CI/CD workflows to enhance development efficiency.

Requirements

• Advanced English proficiency required for communication with multicultural teams.
• Strong experience with .NET Framework and .NET Core in production environments.
• Solid understanding of ADO.NET and SQL Server with database performance tuning skills.
• Hands-on experience with SOAP and RESTful services and XML serialization.
• Strong understanding of software design patterns and best practices.
• Must be based in Brazil or Colombia.

Nice to have

• Experience with cloud platforms, preferably Azure.
• Familiarity with specification-driven development and agentic software approaches.
• Exposure to Agile development methodologies.

Culture & Benefits

• Opportunity to work on large-scale enterprise AI and digital transformation projects.
• Collaborative environment with a global team across 25+ countries.
• Focus on continuous learning and professional development.
• Remote-first work culture.