**Who are we?** We are a digital transformation ecosystem that combines technology and strategic vision to **scale results** and increase the value delivered to our clients. We work on building **innovative solutions** and disruptive technologies across **300+ projects with major national companies** spanning multiple industries. Our purpose is to **positively impact people and businesses**, exponentially empowering each to reach their full potential. We respect all differences and foster an **open and inclusive environment**, where you can exercise autonomy, voice your ideas, learn from mistakes, connect with others, and **drive change around you**. If you seek a collaborative, challenging environment that encourages continuous growth and empowers you to be the protagonist of your own journey — this is the place for you! **Before moving forward, please note:** * **Employment Type:** CLT * **Work Model:** Hybrid, with 2 days per week onsite at our Butantã office in São Paulo. * **Working Hours:** 9:00 AM – 12:00 PM and 1:00 PM – 6:00 PM. The schedule is flexible based on meetings and deliverables. * **Hiring Process Stages:** Composed of 3–4 stages, with an average interval of up to 3 business days between stages. * **Communication Channels:** We use Email and WhatsApp. Please ensure these contact details are correct during registration to avoid communication failures. **What are we looking for?** We are seeking a Python Developer with strong expertise in AI to join our technology team and directly contribute to building solutions based on LLMs, agents, RAG, and intelligent conversational experiences. We seek someone who goes beyond crafting “beautiful prompts”: someone who understands architecture, orchestration, performance, and code quality — and who enjoys transforming ideas into real products using AI in a structured way. If you enjoy modular architectures, autonomous agents, well-defined workflows, and daily productivity powered by AI, this role is for you. **Your day-to-day responsibilities will include:** * Developing and enhancing Python backend services focused on AI and LLM solutions * Designing and implementing conversational flows and agents using LangChain and LangGraph * Integrating OpenAI (LLMs, tools, function calling) and other AI APIs * Building RAG-based solutions using LlamaIndex for consistent data indexing and retrieval * Working with vector databases such as ChromaDB and Qdrant * Implementing asynchronous and scalable APIs with FastAPI * Creating asynchronous jobs and background processing with Celery + RabbitMQ * Developing rapid POCs and demos for clients using Streamlit and Chainlit * Collaborating with product and technology teams to define solutions and evolve architecture * Ensuring code quality, performance, scalability, and maintainability **To succeed in this challenge, you must have:** * Solid Python development experience * Practical experience with LLMs, especially OpenAI * Experience with LangChain and/or LangGraph for building conversational flows or agents * Hands-on knowledge of RAG, including LlamaIndex and vector databases like ChromaDB or Qdrant * Experience developing asynchronous APIs with FastAPI * Knowledge of AsyncIO, Pydantic v2, and Python typing * Experience with background job processing (Celery + RabbitMQ or similar) * Experience with Docker, automated testing, and software quality best practices * Experience building rapid POCs or demos using Streamlit or Chainlit * Familiarity with AI coding tools such as Cursor * Knowledge of Git and version control best practices **What do we offer our Builders?** * Meal Allowance (VA/VR) via Caju card * Remote Work Allowance via Caju card * Flexible Points Program on your Caju — *a flexible amount you can use however you choose* * National Health Insurance Plan by Porto Seguro (Silver Plan with private room and no co-payment), with 50% of the monthly premium covered by Builders * Dental Insurance by Porto Seguro (Bronze Plan), with 100% of the monthly premium covered by Builders * Childcare Assistance for children up to 72 months old * Mental Health Support — *access to the Vida+ app* * Physical Health Support — *access to the Gympass app* * Life Insurance ***All our positions are inclusive and open to people of all gender identities, sexual orientations, ages, ethnicities, cultures, backgrounds, beliefs, disabilities, and other forms of diversity. We believe pluralism enriches our team and fosters a more innovative and collaborative workplace.*** ***Curious to learn more? #LetsGo — apply now!***
João Silva
Indeed · HR
João Silva
Indeed · HR
