




Job Summary: We are looking for a Mid-Level Fullstack Developer to build modern, scalable, data-driven applications, integrating cutting-edge technologies and Generative AI. Key Highlights: 1. Grow in a high-performance environment with national and international projects. 2. Join a team passionate about technology and disruption. 3. Leave your mark with digital solutions that impact thousands of people. **\#JoinLuby** ---------------- **Here, you will have the opportunity to:** * **Grow in a high-performance environment:** A culture where continuous learning is embedded, with autonomy and involvement in national and international projects that truly challenge your skills and accelerate your potential. * **Join a team passionate about technology:** Work alongside experienced talent in a collaborative and disruptive environment, using the most advanced technologies in the market. * **Make your mark on the world:** Our digital solutions directly impact the lives of thousands of people — this is your chance to actively contribute to building a more digital and connected future. * **Work remotely and flexibly:** No matter where you are, we’re ready to welcome you to our team! **Your Mission:** We seek a Mid-Level Fullstack Developer to join our team and work on building modern, scalable, data-driven applications, assigned to one of our clients. This professional will develop and integrate front-end and back-end applications, collaborate with engineering and data teams, and participate in creating solutions leveraging Generative AI, APIs, and cloud-native architectures — ensuring quality, performance, and development best practices. **Key Responsibilities:** * Develop responsive, high-performance front-end applications using JavaScript/TypeScript with React or Next.js. * Build and maintain RESTful or GraphQL APIs and back-end services using Python (FastAPI, Django) or Node.js (Express, NestJS). * Integrate applications with Generative AI systems, including LLM APIs, chat interfaces, response streaming (SSE/WebSockets), and document processing pipelines. * Design and maintain SQL and NoSQL databases, ensuring application quality, performance, and scalability. * Implement secure authentication and authorization mechanisms using standards such as OAuth 2\.0 and JWT. * Participate in building and maintaining CI/CD pipelines and containerized environments using Docker, GitHub Actions, or similar tools. * Collaborate with AI and Data Engineering teams to integrate services, APIs, and data pipelines into applications. * Participate in code reviews, technical discussions, and agile ceremonies, contributing to code quality and solution evolution. * Optimize application performance, scalability, and user experience. **Essential Requirements:** * 2–4 years of experience in Fullstack development with production applications. * Proficiency in Python and JavaScript/TypeScript. * Experience with modern front-end frameworks such as React or Next.js. * Experience with back-end frameworks such as FastAPI, Django, Flask, Express, or NestJS. * Experience with SQL and NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis). * Hands-on experience with cloud computing on at least one provider (AWS, Azure, or GCP). * Experience integrating APIs and developing scalable cloud-native applications. * Knowledge of CI/CD, Git version control, and automated pipelines. * Experience with containerization using Docker. * Familiarity with authentication and authorization standards (OAuth 2\.0, JWT). * Advanced English for international collaboration. **Nice-to-Have:** * Experience with Generative AI solutions, such as RAG pipelines or agent-based systems. * Experience integrating LLM APIs (OpenAI, Azure OpenAI, AWS Bedrock, or Vertex AI). * Knowledge of vector databases or semantic search. * Experience with microservices or serverless architecture. * Familiarity with messaging systems (Kafka, RabbitMQ, or Redis Streams). * Experience with testing frameworks such as Jest, Pytest, or Cypress. * Basic knowledge of Kubernetes. **What We Offer:** *CLT Employment Model:* * **Remote Work:** Enjoy the flexibility of working from anywhere in Brazil, with full autonomy and self-organization. * **Health & Well-being:** Health and dental insurance, life insurance, and Wellhub (Gympass). * **\+Education:** Discounts on FIAP courses and USP Esalq MBA programs to keep learning and growing. * **Cost-of-Living Support:** Meal voucher (Caju) and Home Office allowance. * **Exclusive Perks:** Discounts at Multilaser stores, referral bonuses for professionals and business opportunities. ### ***Learn more about our culture, benefits, and what it’s like to be a \#Luber on our*** ***Careers Page!***


