Junior Java Backend Engineer | Microservices

Expleo is seeking a Backend/Java Developer in Lisbon to contribute to backend systems, microservices, and cloud-based architectures. You will work on REST APIs, GraphQL and secure auth flows in a collaborative, international team. The role requires 3–4+ years of relevant experience, strong communication in English, and attention to detail as you help...

Expleo is seeking a Backend/Java Developer in Lisbon to contribute to backend systems, microservices, and cloud-based architectures. You will work on REST APIs, GraphQL and secure auth flows in a collaborative, international team. The role requires 3–4+ years of relevant experience, strong communication in English, and attention to detail as you help...

SIXT in Lisbon is seeking a skilled Backend Engineer to be part of an innovative technology team. You will tackle complex technical challenges, build solutions using Java, and develop distributed systems in a cloud environment. This role offers a flexible work setup with two office days a week, 28 vacation days, and a range of benefits including private...

Olisipo in Lisbon is seeking a backend Java developer to design and maintain microservices across Checkout, MyAccount and ODR Processing areas. You will implement RESTful and GraphQL APIs, and drive OpenAPI-guided documentation while building unit and integration tests to raise code quality. Join an Agile team and contribute to secure, scalable delivery...

Expleo is seeking a Backend/Java Developer in Lisbon to contribute to backend systems, microservices, and cloud-based architectures. You will work on REST APIs, GraphQL and secure auth flows in a collaborative, international team.The role requires 3–4+ years of relevant experience, strong communication in English, and attention to detail as you help...

1GLOBAL is seeking a senior backend engineer to shape and maintain our Network API, xSIM Management System, and Recording Platforms. You’ll design scalable, secure architectures and implement high‑quality features across microservices in a global, remote‑first team. With 6+ years of backend experience (Go preferred, Java welcome), you’ll work on...

HN Services Portugal seeks a Senior Java Backend Developer to join an international banking environment and contribute to the development and evolution of Java-based applications and distributed systems. You will design robust backend solutions, lead complex backend functionalities, and collaborate with teams to ensure alignment with the application...

Expleo is seeking an experienced Backend Java Developer to join our engineering team in Lisbon. You will work on Java-based microservices, REST APIs and GraphQL, focusing on secure authentication flows and scalable messaging solutions. Ideal candidates have 3–4+ years in backend roles, strong English communication, and proven ability to collaborate across...

Capgemini Engineering is seeking a Java Software Engineer in Lisboa to design, develop, and maintain scalable backend applications using Java and Spring Boot in a cloud-native environment. You will implement asynchronous messaging with RabbitMQ, deploy and monitor services in AWS, and contribute to RESTful API design and distributed systems. Strong...