Stefan Djogo

Cloud-telephony/CPaaS platform (FreeSWITCH, SIP, Kamailio). Extended the call-rating engine with carrier purchase-cost calculation: designed the price-lookup model and imported rate cards from four carriers, enabling per-call margin tracking. Helped migrate the platform from single- to multi-tenant. Integrated text-to-speech and speech-to-text for voicebots. Full-stack work in customer/admin portals (Java/Spring backend, Angular frontend), incl. invoice generation with JasperReports.

Designed the architecture and tech stack for several client projects, then built them: database design, Spring Boot or Node.js backends, REST microservices, Angular frontends and unit tests. Integrated third-party banking APIs and kept data in sync between external systems and our apps. Set up dev/pre-live/live environments and Git-based pipelines. Projects: healthcare-banking for Opta Data Gruppe, e-mobility cost calculator (DE/CH), MindBeast learning app, Thomas Lloyd investment app, ConsileonDX site.

• Built FinHome, a white-label finance app that banks and insurers license for their customers (accounts, insurance policies and investments in one place): Java REST backend (JAX-RS) with an Angular frontend. The product was later merged into BANKSapi. Tech: Java, Angular, PostgreSQL, GitLab, Jira

+ Developing a multi-tenant financial app for banks, insurance companies and financial service providers increasing their everyday relevance, generating sales potential and securing the customer interface - FinHome(F/E and B/E) + Java JAX-WS, Angular 9, MySQL, GitLab, Jira + https://finhome.de/ (presentation app, still not online)

Built the National Museum of Montenegro's Android app with its CMS and web services, a reusable CMS used for client websites (Nelt, Vezuv), and the backend of COSDT's judiciary e-learning platform. Tech: Java, JavaScript, JasperReports, GitHub, Linux

• Backend development of TiramISu ERP in PHP accounting, warehouse and retail modules, including invoice and report generation. Link- tiramisuerp.com Tech: PHP, JavaScript, JasperReports, GitHub, Linux

Mechanical learning

Web Technology