CareerPlan

Senior Backend Developer

LISBOA, PortugalFull-time2026-10-19 → 2026-11-09
Hybrid

Core

Design, develop, test, and maintain backend services and RESTful APIs that power digital channels and customer-facing applications.

Role type

Senior Backend Software Engineer

Builds

Scalable, secure, and high-performing backend solutions and microservices for digital experience layers

Domain

Telecommunications / Cloud-native backend

Required skills

Java, Spring Boot, REST API design, Microservices architecture, Git, Maven, Relational databases (PostgreSQL), NoSQL databases (MongoDB), Unit and integration testing (JUnit, Mockito)

Preferred skills

Docker, Cloud platforms (AWS, Azure, GCP), CI/CD pipelines, Clean Code principles

Technologies

Java, Spring Boot, PostgreSQL, MongoDB, Docker, AWS, Azure, GCP, JUnit, Mockito, Maven, Git

Responsibilities

Design and develop backend applications and services; Develop RESTful APIs; Contribute to scalable microservices implementation; Collaborate with cross-functional teams; Write clean, maintainable, and well-tested code; Troubleshoot and debug application issues; Support CI/CD pipelines and automated deployment processes

Seniority

Senior, hands-on IC