### **Job Information** Job Type **Remoto**Date Opened **02/13/2026**Industry **Tecnologia**City **Lisboa**State/Province **Lisboa**Country **Portugal**Zip/Postal Code **1200\-629**### **Job Description** **Responsibilities** * Design and implement highly scalable and performant backend systems, focusing on low latency and high throughput. * Develop complex, scalable backend services using cutting\-edge technologies such as serverless architecture, AWS, and big data. * Deliver high\-quality software on time by collaborating with the team on backend optimizations and taking ownership of the process. * Utilize CI/CD and TDD to ensure code quality, performance, and reliability. * Conduct performance profiling and tuning on backend systems **Requirements** * 5\+ years of hands\-on experience in backend development, preferably in high\-performance, low\-latency environments. * Experience with cloud platforms, particularly AWS, and familiarity with serverless architecture and microservices. * Strong problem\-solving skills and ability to optimize backend performance. * Hands\-on experience with NoSQL data stores (DynamoDB, Elasticsearch, etc.). * Experience with Node.js, GraphQL, and TypeScript – strong advantage. * Experience building microservices in serverless environments – strong advantage. * Experience in multiple frontend platforms (iOS, React, Android, APIs) – advantage. * Experience with Swift/SwiftUI – advantage. * Experience integrating GenAI technologies – advantage. * Degree in Computer Science or related field – preferred.