**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). API documentation using Swagger or similar tools. Monitoring and logging (Grafana, ELK, PM2, Datadog). Knowledge of tax regulations (NFe, CFOP, CST, ICMS) — a major advantage. Prior experience with ERP systems or automotive management systems. **Benefits:** Meal allowance of BRL 300.00, health insurance with co-payment, TotalPass, pharmacy benefits. **Work schedule:** Monday to Friday **Knowledge:** **Education:** Bachelor’s degree in Systems Analysis and Development, ReactJS, React Native, Web/Mobile Development, Node.js — completed. **Behavioral skills:** Interpersonal skills, autonomy, collaboration, clear communication, focus, proactivity, quality orientation 2512170202551870470