**Description: Apply quickly via email:** **Requirements and qualifications:** Proficiency in ReactJS (hooks, componentization, state management, and SPAs). Solid experience with Node.js (Express or Fastify, REST APIs, middleware). Proficiency in MySQL (complex queries, joins, indexes, and optimization). Practical knowledge of Clean Code and SOLID principles. Experience applying DDD (entities, aggregates, repositories, bounded contexts). Experience with modern and modular architectures. Unit and integration testing (Jest, Vitest, Supertest, or similar). Frontend-backend integration, including JWT authentication. Ability to refactor legacy code using best practices. Daily use of Git Flow (main, release, hotfix). Minimum of 3 years’ experience as a Full Stack Developer. **Desirable:** Experience with Hexagonal Architecture or CQRS. Experience with WebSockets (real-time communication). Caching with Redis and message queues (RabbitMQ/Kafka). Documentation using Swagger or similar tools. Monitoring and logging (Grafana, ELK, PM2, Datadog). Tax knowledge (NFe, CFOP, CST, ICMS) — major advantage. Prior experience with ERP systems or automotive management systems. **Benefits:** Meal allowance of R$ 300.00, Health insurance with co-payment, TotalPass, Pharmacy benefit **Work schedule:** Monday to Friday **Knowledge:** **Education:** Bachelor’s degree — Systems Analysis and Development, ReactJS, React Native, Web/Mobile Development — Node.js — Completed **Behavioral skills:** Interpersonal relationships, autonomy, collaboration, clear communication, focus, proactivity, quality 2601060202521870470