Backend Developer C# – Focus on Generative AI

Responsibilities

• You will be part of a team focused on building next-generation conversational agents, working on real projects using generative AI for customer service, applied to sales, negotiation and automation of customer journeys.
• We are looking for professionals who want to grow in this new paradigm, combining solid software engineering fundamentals with practical use of Artificial Intelligence in development.
• Development and maintenance of backend solutions in C#/.NET.
• Integration with external systems via APIs, Webhooks and services.
• Development of Conversational Agents (text and voice).
• Participation in prompt engineering and context structuring with team support.
• Support in technical analysis of requirements together with business areas.
• Participation in testing, validation and continuous improvement of solutions.
• Support in building MVPs and conducting AI experiments.
• Participation in agile rituals and collaboration with the technical team.
• Use of AI tools to increase development productivity.

Requirements

• Experience with Generative AI / LLMs (Large Language Models) applied to conversational solutions (text and voice).
• Experience in backend development with C#/.NET and building APIs (REST or SOAP).
• Familiarity with API testing tools (Postman or similar).
• Ability to test APIs, validate responses and support debugging of integrations.
• Knowledge of development best practices (OOP, SOLID).
• Understanding of OOP and SOLID principles to write organized, reusable and maintainable code.
• Experience with source versioning (Git / Bitbucket): daily usage (commit, branch, merge) and familiarity with pull requests and code review.
• Familiarity with API testing tools (Postman or similar).
• Knowledge of the fundamental concepts of Generative AI and its mathematical/statistical limitations.