HubMub
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99x

,Net Backend Developer - €1.750 - €3.500 A Month

99x
Portugal · Full-time · Not Applicable
  • Design, build, and maintain backend services using Java 21 and the Spring ecosystem (Spring Boot, Spring Data, Hibernate, JDBC).
  • Develop secure, scalable, and well-structured RESTful APIs within distributed and microservices-based architectures.
  • Integrate and optimize applications with relational databases such as Oracle and Aurora PostgreSQL.
  • Deploy, operate, and monitor applications on AWS, leveraging services including ECS, Lambda, Step Functions, RDS, S3, SQS, SNS, and CloudWatch.
  • Define, manage, and evolve cloud infrastructure using Terraform and Infrastructure as Code best practices.
  • Contribute to the implementation and maintenance of CI/CD pipelines.
  • Develop Python-based solutions for automation, backend processing, or system integration.
  • Collaborate with data engineering teams to support data exchange, transformation, and integration workflows.
  • Work closely with cross-functional teams to translate business requirements into technical solutions.
  • Participate in production support, troubleshooting, monitoring, and incident resolution.
  • Mentor junior developers and contribute to knowledge sharing within the team.
  • Proactively propose improvements to enhance system performance, scalability, reliability, and maintainability.Profile- University degree in Computer Science, Engineering, or a related technical field.
  • Proven experience in backend development with Java 21 and Spring frameworks (Spring Boot, Spring Data, Hibernate, JDBC).
  • Strong knowledge of relational databases and SQL.
  • Hands-on experience designing, deploying, and running applications in AWS environments.
  • Proficiency in Python for backend development, scripting, or automation.
  • Practical experience with Infrastructure as Code, particularly Terraform.
  • Solid understanding of REST API design, microservices architecture, and secure coding practices.
  • Experience with Git-based version control systems such as GitHub or GitLab.
  • Experience working with data engineering teams or integrating with data pipelines is a plus.
  • Familiarity with CI/CD tools and DevOps practices.
  • Knowledge of containerization technologies (Docker, Kubernetes) is an advantage.
  • Exposure to AI-related tools or frameworks is appreciated.
  • Experience with Agile methodologies and tools such as Jira.
  • Knowledge of monitoring, logging, and alerting solutions.
  • AWS certifications (Developer, Solutions Architect, or similar) are a plus.Interested in this opportunity, feel free to apply here or send me your updated CV at ****** and ******#J-*****-Ljbffr

Key Skills

Ranked by relevance

aws infrastructure as code microservices spring boot python java cicd containerization restful apis kubernetes terraform docker devops oracle cloud git sqs ecs ai s3
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Country Guide

Portugal

Startup-friendly with strong expat appeal

Posted
Mar 01, 2026
Type
Full-time
Level
Not Applicable
Location
Lisbon
Company
99x

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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