Concert Technologies Group operates in the development of technological solutions focused on connectivity and digital transformation, integrating different layers of software and infrastructure in high-complexity projects. We are seeking a Mid-Level Fullstack Software Developer with an analytical mindset, technical autonomy, and systemic vision to work on the creation and evolution of web applications and backend services that comprise intelligent platforms developed by the group. The candidate will be part of an agile and multidisciplinary team responsible for building scalable, secure, and integrated services, supporting products involving large-scale data collection, processing, and analysis. Requirements Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related fields. Solid experience with Node.js, TypeScript, NestJS, and API-oriented development. Experience with front-end frameworks (Angular, React, or similar). Knowledge of relational databases (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB). Experience with Git and Git Flow, automated testing, CI/CD, and DevOps best practices. Experience with AWS (Lambda, SQS, S3, EC2) and containers (Docker, Kubernetes). Analytical skills, proactivity, and technical autonomy. Differentiators Experience with distributed systems or applications handling large volumes of data. Knowledge of messaging and queues (MQTT, Kafka, RabbitMQ). Interest in contributing to architectural decisions and product evolution. Benefits Gympass, Birthday day off, Flexible card (Flash/Caju/Swile/others), Home office allowance, Health insurance with co-payment and no monthly fee, Dental plan, Others **Minimum Education:** Bachelor's Degree