Job Summary: We are seeking a Middle Backend Developer to develop and maintain backend services in Node.js, implement and consume APIs with AWS, and collaborate with technical and product teams. Key Responsibilities: 1. Backend service development in Node.js under microservices architecture 2. Implementation and consumption of APIs using AWS (Lambdas and API Gateway) 3. Integration of messaging systems such as Kafka, RabbitMQ, or SQS **We are looking for a Middle Backend Developer** If you enjoy building backend solutions, continuously learning, and working with modern technologies in a trading startup, this position may interest you. **What will you do?** * Develop and maintain backend services in Node.js under microservices architecture. * Implement and consume APIs using AWS (Lambdas and API Gateway). * Write unit tests using Jest to ensure code quality. * Integrate messaging systems such as Kafka, RabbitMQ, or SQS. * Implement real-time communication via WebSockets. * Work with MySQL databases and optimize queries. * Collaborate in person with technical and product teams. **Why you might be interested:** * Permanent position at a trading startup * Work mode: In-person, Monday to Friday * ***Salary: USD 1,700*** (paid in crypto via Binance) * One month of paid vacation upon completing one year of service * Proprietary product, real impact + career path **Work Mode: In-person** * Location: Av. Circunvalación el Golf 134 Int. 501 (Torre 1) — Lima, Surco * Schedule: Monday to Friday — 9:00 AM to 6:00 PM ***You can apply by submitting your CV through this posting or via the following channels:*** ***Email:*** mrantes@joyit.pe / **WhatsApp:** 910748185 Job Type: Full-time Salary: S/.5,600.00 – S/.5,700.00 per month Workplace: On-site employment