Senior Software Developer (AI focused) - 6 month contract
Remote · Buenos Aires, Buenos Aires F.D., Argentina or Mexico City, Mexico City, Mexico
Job Summary
Senior Software Developer to design, build, and enhance enterprise-grade applications using C#, ASP.NET, and Azure, with a strong emphasis on AI-enabled features. Lead AI product development by leveraging LLMs, proprietary datasets, and AI integrations while collaborating with Product Owners, UX/UI teams, and Engineering Leadership. Responsibilities span the full SDLC from architectural design and implementation to testing, deployment, and continuous improvement, including building AI-powered workflows, automation, and intelligent features, maintaining code quality through TDD, participating in code reviews, and creating technical artifacts (architecture diagrams, database schemas). Requires deep experience in Microsoft technologies, modern software architecture, scalable web applications, RESTful APIs, and practical AI integration considerations, plus ability to guide technical decisions around AI architecture, reliability, and system integrations.
Required Qualifications
- 7+ years of professional software development experience
- 5+ years of experience serving as a technical lead, project lead, or senior contributor
- Strong expertise in C#, ASP.NET, Microsoft Azure, RESTful APIs, JSON and XML
- Experience building browser-based and responsive web applications
- Experience with distributed architectures and asynchronous request handling
- Strong understanding of software design patterns and modern software architecture principles
- Experience with source control systems such as Git and/or SVN
- Experience developing commercial software products in a product-focused environment
- Strong software design, problem-solving, and analytical skills
- Experience creating technical documentation and implementation designs
- Strong understanding of unit testing and Test-Driven Development (TDD)
- Excellent written and verbal English communication skills
- Experience implementing AI-powered features within production software applications
- Strong understanding of Large Language Models (LLMs) and AI integrations
- Experience or exposure to Agentic AI concepts and architectures
- Familiarity with Machine Learning concepts and AI product development
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