C#/.NET Backend Developer – Generative AI Focus

🕒 May 18

🏢🏡 São Paulo – Hybrid

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

🗣️🇧🇷🇵🇹 Portuguese Required

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Logo of Intervalor

Intervalor

WebsiteLinkedIn

11 - 50 employees

Founded 1992

🤝 B2B

💸 Finance

B2B • Finance

Intervalor is a Stockholm-based distribution and marketing partner for international asset managers, founded in 1992. The firm provides exclusive local marketing and fund distribution services in the Nordic and Baltic markets, working B2B with professional investors and asset management firms to raise and support assets through local offices and client service. Intervalor acts on behalf of the asset managers it represents, offering market access, investor relations, and administrative support while clarifying it does not provide independent investment advice.

📋 Description

• 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 support from the team. • Support in the technical analysis of requests alongside 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 improve development productivity.

🎯 Requirements

• Experience with Generative AI / LLM (Large Language Models) projects applied to conversational solutions (text and voice). • Experience with backend development in 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 code versioning (Git / Bitbucket): daily use (commit, branch, merge) and familiarity with pull requests and code review. • Familiarity with API testing tools (Postman or similar). Ability to test APIs, validate responses, and support debugging of integrations. • Knowledge of the fundamental concepts of Generative AI and its mathematical/statistical limitations. • Familiarity with Generative AI (LLMs such as GPT, Claude, etc.). • Basic understanding of concepts like RAG, embeddings, and conversational context. • Experience with Docker. • Experience with CI/CD and automated deployment. • Knowledge of dependency injection and DDD.

🏖️ Benefits

• Assertive communication: Ability to interact with the team and understand technical and business requirements. • Continuous learning: Interest in technical growth, especially in AI. • Proactivity: Actively seeks solutions and learns. • Collaboration: Teamwork and ongoing exchange with other professionals. • Adaptability: Comfortable in dynamic, evolving environments.

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