Senior Backend Developer Beja

Senior Backend Developer
Beja
Beja, Beja, Portugal

Emagine is currently looking for a Senior Backend Developer to join our team on an exciting journey to redefine global connectivity. We are building a decentralized mobile network powered by collaboration, open spectrum, and intelligent infrastructure. This is a unique opportunity to contribute to a
- impact initiative at the intersection of telecom, cloud, and web3.

Your main responsibilities:

• Develop and maintain backend services with a focus on scalability, modularity, and maintainability.
• Build and expose REST APIs for both internal systems and
  - party integrations (authentication, billing, analytics).
• Work with
  - driven communication patterns using Kafka to decouple services and ensure resilient architectures.
• Deploy containerized services using Docker into
  - based environments (e. g. , Kubernetes, Nomad).
• Implement and maintain centralized identity and access management (IAM) through platforms like Keycloak.
• Collaborate with
  - functional teams to define architecture, review code, and establish best practices.
• Contribute to monitoring, tracing, and continuous improvement of service performance.

You bring:

• 3–5 years of professional backend development experience.
• Strong expertise in Node. js , with proven experience in
  - based architectures.
• Solid background in designing and maintaining REST APIs , including versioning and error handling.
• Hands-on experience with Kafka or other
  - driven messaging systems.
• Practical knowledge of deploying services in containerized and clustered environments.
• Familiarity with authentication/authorization models and centralized IAM (e. g. , Keycloak).
• Ability to design schemas and queries for Mongo
  DB and SQL databases.
• Comfort with CI/CD tools such as Git
  Hub Actions and API documentation standards like Open
  API/Swagger.
• Understanding of monitoring practices using tools like Prometheus/Grafana .
• Strong
  - solving skills, curiosity, and the ability to thrive in an innovative,
  - paced environment.

Nice to have:

• Experience integrating with web3 platforms (wallet management systems,
  - based identity flows).
• Exposure to
  - tenant or federated service models.
• Experience contributing to web3 projects involving wallet authentication, token management, or blockchain usage tracking.
• General knowledge of decentralized identity, smart contracts, or blockchain data indexing .