Job Summary: We are looking for a Mid-Level Full Stack Developer to work on technology, innovation, and AI projects, valuing good software engineering practices and collaborative growth. Key Highlights: 1. Working on modern and technically challenging projects 2. An environment with a strong technical culture and collaboration 3. Freedom to propose and implement solutions **Position: Mid-Level Full Stack Developer** **Location:** On-site – Barra Funda, São Paulo – SP **Employment Type:** **PJ (Legal Entity)** **Level:** Mid-Level **Duration:** Indefinite-term contract **About the position** We are seeking a **Mid-Level Full Stack Developer** to work on diverse projects focused on technology, innovation, and artificial intelligence. We seek someone with solid technical expertise, who values good software engineering practices and wishes to grow alongside a collaborative and committed team. **Primary Tech Stack** * **Language:** TypeScript * **Backend:** Node.js with Fastify or Express * **Frontend:** Next.js with TailwindCSS * **ORM:** Prisma * **Containers:** Docker and Docker Compose * **Operating System:** Linux (daily usage) **Mandatory Requirements** * Solid experience with **TypeScript** * Proficiency in **Fastify or Express** for backend development * Experience with **Next.js** and **TailwindCSS** * Practical usage of **Docker** and **Docker Compose** * Experience with **MySQL** or **PostgreSQL** * Familiarity with **Prisma ORM** * Use of **Linux** in the development environment * Good practices with **Git** and use of **semantic commits** * Application of **Clean Code**, **Clean Architecture**, and **Design Patterns** **Desirable Qualifications** * Knowledge of **MongoDB** * Experience with **Neo4j** (graph database) * Familiarity with **RAG (Retrieval\-Augmented Generation)** * Usage of **LangChain** * Experience with **microservices** * Knowledge of **Docker Swarm** **What We Offer** * Participation in modern and technically challenging projects * An environment with a strong technical culture and collaboration * Freedom to propose and implement solutions * Physical office located in **Barra Funda – SP** If you seek an environment that values best practices, autonomy, and cutting-edge technology, this opportunity is for you! Job Type: Freelance / PJ Selection Question(s): * Are you available to work 100% on-site? * Do you have easy access to Barra Funda? * What is your salary expectation? Work Location: On-site