Elisey Yordanov

The technology company that built and maintains the entire Econt IT ecosystem. Leading and contributing to high-priority data engineering, AI/ML, and infrastructure projects.

• Designed and built a terabyte-scale Real-Time DWH on BigQuery with Change Data Capture (CDC) streaming all Econt operational databases in real-time
• VisionAI - complete end-to-end Computer Vision platform: in-house YOLOv8 model training, PTZ camera automation, hybrid LPR, Deepstream on NVIDIA GPUs
• Talk2SQL - AI chatbot converting natural language to BigQuery SQL over the entire enterprise DWH in real-time
• Capacity Analytics Suite: three interconnected systems monitoring transport, courier, and office load across Econt's logistics network
• AI business integrations: automated invoice analysis, logistics profitability calculation, AI agents for business operations
• PHP ETL framework migration; CDC pipeline architecture; GCP infrastructure management (Cloud Build, Cloud Run, Kubernetes)
• Custom integrations with external systems including Interbase data extraction functions
• Led IT team migration from Econt to IT Partner; authored internal engineering standards and documentation

Promoted to Information Security. Monitored threats, conducted penetration tests, and designed protective systems for Bulgaria's largest courier company.

• Business-side requester and co-designer of the Network Management Center (NMC) - defined architecture & requirements for DDoS mitigation and internet connectivity management across all data centers
• Co-designed comprehensive email security system (DKIM, SPF, PTR, blacklists/whitelists, anti-phishing logic)
• Conducted internal penetration tests; proactively identified and reported vulnerabilities to IT Partner for remediation
• Security breach monitoring via SIEM and Splunk; authored post-incident security reports
• Product Owner of AppDynamics APM & F5 WAF - managed requirements and vendor relations

Key technical expert in the Business Continuity team; Product Owner of two enterprise monitoring products.

• Product Owner of AppDynamics APM & F5 WAF - managed requirements, vendor relations, and internal rollouts
• System failure root-cause analysis using AppDynamics during high-severity incidents
• Served as technical liaison between business, IT management, and engineering teams during critical events

Started as IT intern at 17 years old. Rapidly developed into a full Data Engineer delivering critical reports and ETL systems.

• Built ETL pipelines from Core and secondary systems into the Data Warehouse; automated management reports
• Delivered dashboards and reports using MySQL, MSSQL, SSIS, SSRS, SSAS, PowerBI for Econt management
• Administered all Econt cloud environments (multi-provider) and the GitHub organization
• Early contributor to F5 WAF and AppDynamics projects - foundational for later product ownership

Diploma with Honors - 5.50/6.00 · Awarded by the Minister of Education as top graduate of the cohort

John Atanasov Award - best technical student at graduation · GPA ~5.30/6.00