• API design (SOLID, Design Patterns, clean code) • SOA architecture (service-oriented architecture) • DevOps integration • Network and infrastructure topology • Experience in maintenance/support

• Act as a top-tier escalation point for the most complex or high-impact customer issues. • Rearchitect solutions to ensure ongoing scalability and supportability. • Diagnose and troubleshoot deep technical problems across integrations, performance, infrastructure, or configuration. • Work directly with customers to resolve critical incidents and restore business continuity. • Partner with Engineering, Product, QA, Professional Services, and Customer Success teams to resolve bugs, influence product improvements, and advocate for customer needs.

• Develop and maintain Back-End applications in Java; • Support the definition and evolution of the solution architecture; • Build high-performance microservices and concurrent systems; • Implement integrations with messaging systems (SQS and Kafka); • Ensure code quality through unit tests and static analysis metrics (Sonar); • Work on continuous integration and delivery pipelines (Jenkins); • Collaborate with the team following versioning best practices (Git / Git-Flow).

• Develop and maintain Back-End applications in Java; • Work on the development of microservices and concurrent systems; • Support the definition and evolution of the solution architecture; • Implement messaging integrations (SQS and Kafka); • Work with SQL and NoSQL databases; • Ensure code quality through unit tests and monitoring metrics (Sonar); • Participate in continuous integration and continuous delivery pipelines (Jenkins); • Apply versioning best practices using Git and Git-Flow.