Stefan Ramač

Developed Java (Spring) backend services and TIBCO BusinessWorks integrations for A1 Group OSS/BSS systems. Built and maintained REST/SOAP APIs, mobile provisioning flows, and service fulfilment solutions. Worked with TIBCO EMS, Oracle/SQL, and Linux, implemented CI/CD using Git, Jenkins, and GitLab CI, optimized integrations, resolved production issues, and collaborated with multinational teams to deliver reliable automation solutions.

Designed and supervised end-to-end banking integrations, creating technical documentation and ensuring stable system interoperability. Led API and integration testing, defined integration standards (REST APIs, event streaming, file transfer), maintained integration architecture, and mentored junior engineers. Contributed to projects involving Temenos T24, Country Adapter, eArchive, and qSign, supporting secure banking and digital document workflows.

Designed and maintained REST/SOAP services and enterprise integrations using Software AG webMethods. Developed APIs connecting Salesforce with backend systems, leveraging JSON/XML, MongoDB, and AWS. Documented APIs with OpenAPI/Swagger, automated CI/CD using Jenkins and GitHub Actions, collaborated through Jira and Confluence, and resolved integration issues to ensure high system reliability and performance.

Developed enterprise integrations on ESB platforms, connecting business-critical applications and ensuring reliable data exchange. Collaborated with technical and business teams to analyze requirements, design integration solutions, and produce technical documentation. Reviewed integration designs, established development standards, provided production support, performed root cause analysis, and researched emerging technologies to improve integration quality and performance.

Led the technical design and delivery of multiple concurrent software projects, defining solution architecture, integrations, data models, and technical strategies aligned with customer requirements. Facilitated requirements workshops, produced design documentation, conducted solution reviews, and provided technical leadership. Oversaw capacity planning, data migration, testing activities, and cross-functional collaboration to ensure successful project delivery.

Developed and maintained TIBCO BW5 Fulfillment Orchestration Suite solutions for telecom clients (A1 Serbia, A1 Macedonia). Built SOAP services and integrations via SOAP/HTTP and SOAP/JMS, designed Technical Products, deployment pipelines (Bamboo), and VAS/SMPP solutions. Provided EAI production support. Contributed to MuleSoft integrations on Anypoint Platform, implementing API-led connectivity, DataWeave transformations, RAML APIs, and scalable error-handling patterns.