• 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; • 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.

• Work closely with the Team Lead to identify key architectural drivers and non-functional requirements for a core customer-facing product. • Collaborate with cross-functional teams including product managers, business analysts, and other developers to translate business requirements into robust technical solutions. • Select and apply the most suitable frameworks and tools for the designed architecture. • Write readable, testable, and efficient code that adds value to the team and the overall platform. • Maintain and develop a strong engineering culture focused on quality, learning, and innovation. • Participate in code reviews and mentor junior developers to ensure best practices are followed.