**Description: Apply quickly via email:** **Requirements and qualifications:** Proficiency in ReactJS (hooks, componentization, state management, and SPA). Solid experience with Node.js (Express or Fastify, REST APIs, middlewares). Proficiency in MySQL (complex queries, joins, indexes, and optimization). Practical knowledge of Clean Code and SOLID principles. Experience with applied DDD (entities, aggregates, repositories, bounded contexts). Experience with modern and modularized architectures. Unit and integration testing (Jest, Vitest, Supertest, or similar tools). Frontend and backend integration, including JWT authentication. Ability to refactor legacy code by applying best practices. Daily use of Git Flow (main, release, hotfix branches). Minimum of 3 years of experience as a Fullstack 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). Taxation knowledge (NFe, CFOP, CST, ICMS) is a strong differentiator. Prior experience with ERP systems or automotive management software. **Benefits:** Meal allowance of R$ 300.00, Health insurance with co-payment, TotalPass, Pharmacy discount plan **Working hours:** Monday to Friday **Knowledge:** **Education:** Bachelor's degree in Systems Analysis and Development, ReactJS, ReactNative, Web/Mobile Development - Node.JS - Completed **Soft Skills:** Interpersonal skills, autonomy, collaboration, clear communication, focus, proactivity, quality 2511150202461870470