Senior Backend Developer (Java | ELK )

We’re looking for a Senior Backend Developer to join a highly skilled team working on a large-scale digital platform in downtown Lisbon.

This is a hybrid role (3x/week on-site), where you’ll work hands-on with Java, WildFly, ELK (ElasticSearch, Logstash, Kibana), EJB, and Jakarta, contributing to backend architecture and DevOps processes. ElasticSearch is a core part of the product — not just for logs, but platform-wide search.

You’ll be expected to bring technical leadership, write robust and scalable code, and collaborate with cross-functional teams in an agile environment.

• Design and implement RESTful APIs for a large-scale platform
• Develop backend services using Java, WildFly, EJB, Jakarta
• Work with ElasticSearch as a core search engine
• Maintain and optimize CI/CD pipelines in GitLab
• Collaborate with DevOps and QA teams to ensure high-quality deployments
• Apply secure coding practices and contribute to performance optimization
• Support Agile/Scrum ceremonies and sprints
• Use tools like Docker, Redis, MongoDB, and Velocity in daily development

• 7+ years of experience in backend development
• Strong expertise in Java and related frameworks
• Hands-on with ELK Stack (ElasticSearch is central to the platform)
• Experience with CI/CD pipelines (GitLab)
• Proficient in Docker, Redis, MongoDB, and Velocity Framework
• Familiarity with Agile/Scrum methodologies
• Degree in IT or equivalent (mandatory)
• English level B2 or higher
• Available to work 3x/week on-site in Lisbon

💡 Nice to Have:

• Experience with secure coding practices
• Background in performance tuning and system optimization

📍 Location: Lisbon, Portugal (hybrid – 3x/week on-site)

📌 Type: Full-time | Long-term project