Senior .NET Developer

TL;DR

Senior .NET Developer: Building and maintaining complex back-end services for enterprise-level software solutions with an accent on API integration, database performance, and system reliability. Focus on designing scalable architectures, implementing SOAP/REST services, and mentoring team members within a multicultural environment.

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
• Must be based in Brazil or Colombia
• Strong experience with .NET Framework and .NET Core in production systems.
• Solid understanding of ADO.NET and SQL Server with database design experience.
• Hands-on experience with SOAP and RESTful services.
• Strong understanding of software design patterns and best practices.

Nice to have

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

Culture & Benefits

• Opportunity to work with a global team across Brazil, Colombia, the UK, and the USA.
• Focus on continuous improvement and professional growth.
• Collaborative environment valuing shared success and proactive ownership.
• Access to company-wide benefits and career development resources.