Backend Developer

Description

Job Summary: We are seeking a Senior Backend Developer to develop and maintain microservices and REST APIs, support solution design, and optimize performance. Key Highlights: 1. Microservice and REST API development with Go and Node.js 2. Implementation of testing with a TDD approach and adequate coverage 3. Latency/performance diagnosis and optimization in Linux/Unix environments Join Stefanini! At Stefanini, we are more than 30\.000 brilliant minds connected from 41 countries, doing what they love and co\-creating a better future. Senior Backend Developer **Responsibilities and Duties** Support solution design Develop and maintain microservices and REST APIs in Go and Node.js, with Swagger/OpenAPI documentation. Implement testing (unit/integration) using a TDD approach and ensure adequate coverage. Integrate persistence with Postgres/MySQL and use Redis; Use Kafka/RabbitMQ for messaging where applicable. Understand how services operate in Docker/Kubernetes environments. Diagnose and optimize latency/performance, and support troubleshooting in Linux/Unix\-like environments. **Requirements and Qualifications** Practical proficiency in Golang and Node.js (TypeScript is ideal; NestJS is a plus). Experience building microservices and REST APIs in production environments. Use of Swagger/OpenAPI for API contract design and documentation. Proficiency with Git and collaborative practices (branches, PRs, code reviews). Database integration: Postgres/MySQL (including basic modeling/queries). Use of Redis (for caching, queues, locks as needed) **Additional Information** Stefanini Benefits Looking for a place where your ideas shine? With over 38 years of experience and a global presence, Stefanini transforms tomorrow — together. Here, every action matters and every idea can make a difference. Join a team that values innovation, respect, and commitment. If you are a disruptive individual, committed to continuous learning, and innovation is in your DNA, then we’re the right fit for you. Come and build a better future — together!