[Job-29481] Senior AI Developer, Brazil
CI&T is looking for a Senior Generative AI Engineer to join the Customer Delivery team. The person will work embedded within strategic client projects, helping companies adopt and operationalize Generative AI solutions in real production environments. Requirements Experience in software engineering and modern distributed systems Hands-on experience with Generative AI solutions in production environments Experience building RAG pipelines, embeddings, vector databases, and prompt engineering solutions Experience integrating and consuming LLM APIs such as OpenAI, Claude, Gemini, or similar Experience with orchestration frameworks such as LangChain, LlamaIndex, Semantic Kernel, or similar solutions Experience building or integrating AI agents and AI-assisted development workflows Knowledge of backend development using Node.js, Python, Java,.NET, or similar languages Knowledge of APIs, REST services, contracts, and versioning Experience with distributed systems, microservices, and even
Senior AI Software EngineerSenior AI EngineerSenior AI ML Engineer
Technical Support Engineer
Siena is creating an operating system of AI agents that learn, remember, and act across every customer touchpoint. As a Technical Support Engineer, you'll own technical resolution end-to-end and build leverage by creating runbooks, auto-routing, and observability access for the Support team. Requirements 1+ year of technical support at a SaaS company Technical skills: REST APIs, webhooks, auth flows, JSON, HTTP protocols, JavaScript, production systems, logs analysis, monitoring tools AI/LLM expertise: LLMs, prompt engineering, AI model integration, AI APIs (OpenAI, Anthropic, etc.) Customer-facing skills: written and verbal English, explaining complex technical issues to non-technical stakeholders, building trust with customers Built for startup pace: comfortable in ambiguity, creating structure, the leverage mindset, coaching or training non-technical teammates Benefits Great salary Opportunity for equity or stock grants Learning budget Meaningful impact Globally distributed team wo
DeveloperCustomer ServiceTechnical Support Engineer
Argentina, Brazil, Mexico