Mid-Level Fullstack Developer

Description

Job Summary: Mid-Level Fullstack Developer to work at a technology company developing scalable digital solutions focused on performance and user experience, in an agile and innovative environment. Key Highlights: 1. Working with modern technologies such as Node.js, TypeScript, React, and Kafka. 2. Participating in the development of modern products based on microservices. 3. Collaborating with multidisciplinary teams and proposing innovative solutions. JOYn RH is a recruitment consultancy specializing in hiring top talent for our clients across Brazil and worldwide. **About the position:** We are seeking a Mid-Level Fullstack Developer to join a technology company that builds scalable, high-impact digital solutions. You will be part of a collaborative technical team, contributing to the development of modern products built on microservice architecture, event-driven integrations, and web applications focused on performance and user experience. This is an excellent opportunity for professionals who wish to work with modern technologies such as Node.js, TypeScript, React, and Kafka-based messaging, directly contributing to the evolution of robust digital products within an agile and innovative environment. **Your responsibilities will include:** * Developing and maintaining microservices using architectural best practices and modern patterns. * Building integrations with Apache Kafka, ensuring high availability and efficiency in inter-system communication. * Developing frontend interfaces and functionalities using React and TypeScript. * Collaborating with multidisciplinary teams (product, QA, design, and backend) to deliver solutions aligned with business needs. * Ensuring code quality through automated testing, code reviews, and development best practices. * Monitoring and optimizing application performance in production (frontend and backend). * Actively participating in technical discussions and proposing innovative solutions to complex challenges. Requirements:* Backend development experience with Node.js and/or C\#. * Proficiency in TypeScript and practical experience with React. * Knowledge of microservice architecture and REST and/or GraphQL APIs. * Experience with Apache Kafka for messaging and event processing. * Experience with relational databases (PostgreSQL or MySQL). * Experience with agile methodologies (Kanban). * Familiarity with version control using Git. * Experience with observability tools (Prometheus, Grafana, Elastic Stack). * Knowledge of CI/CD (Jenkins, GitHub Actions, or similar). **Nice-to-have:** * Experience with Docker and Kubernetes for microservice deployment and orchestration. * Knowledge of OAuth and JWT for authentication and authorization. * Experience with frontend testing (Jest, Testing Library, Cypress). * Certifications in backend, frontend, or Kafka development.