Donovan Ratefison

Available to hire

Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate

Language

English
Fluent
French
Fluent
Malagasy
Fluent

Work Experience

Full Stack Developer at Bubble-Go / Softway Medical
April 1, 2022 - Present
Remote Hospital Information System (HIS) deployed across healthcare facilities in France; real-time clinical workflows for doctors, nurses, and admins; multi-tenant SaaS with Spring Boot and Quarkus; data isolation with GDPR and HDS compliance; AI integration.
PMO Lead at Bank of Africa Madagascar
August 1, 2019 - March 1, 2022
REST APIs and internal tools with Spring Boot; led monolith-to-microservices migration; automated financial reporting pipelines with Talend ETL; IT modernization initiative; multi-project governance and stakeholder alignment; project management for 10M+ subscriber analytics.
PMO Lead at Orange Madagascar
April 1, 2018 - August 1, 2019
PMO duties; built Obelisk from scratch – a high-performance telecommunications system processing 300M+ CDR rows per day; custom codecs for telecom network protocols; NiFi data pipelines for routing and enrichment; observability stack with Prometheus and Grafana for production monitoring.

Education

Add your educational history here.

Qualifications

M.S. Computer Science - Software Engineering
January 11, 2030 - April 30, 2026

Industry Experience

Healthcare, Telecommunications, Software & Internet, Professional Services