Goran B.

Designed and developed a big data solution using Scala, Spark, Kafka, and Cassandra to calculate availability, multi-currency rates, and inventory for Landal Greenparks;

Architected both the technical and application aspects of the system to ensure scalability and performance;

Developed a real-time streaming solution to continuously track availability throughout the day;

Built and optimized the data model to handle large-scale processing efficiently;

Developed and fine-tuned REST services for seamless communication with other systems;

Thoroughly tested the software to ensure reliability and performance;

Deployed the software into production, ensuring smooth integration with existing systems.

Successfully launched the software in December 2017, within time and budget, replacing a legacy system and reducing processing time from 15 hours to 15 minutes. This improvement enabled Landal Greenparks to offer additional Christmas promotions, contributing to increased revenue.

Designed and developed Spark and MapReduce jobs to efficiently process millions of bibliographic records;

Created scripts to control and manage data pipelines for seamless data ingestion and processing;

Developed a web service capable of ingesting bibliographic records in various formats, ensuring compatibility and scalability;

Collaborated closely with international colleagues to coordinate development and deployment efforts across multiple regions;

Successfully launched several big data systems during my time at OCLC, enabling the processing of terabytes of bibliographic data.

Designed and developed a point-of-sale (POS) system to streamline sales transactions and improve customer experience;

Architected and developed an invoice administration system to manage billing and payment processes efficiently;

Designed and implemented an inventory tracking system to monitor stock levels and optimize inventory management;

Created a comprehensive data model to support all systems, ensuring data consistency and scalability;

Developed and optimized REST services for seamless communication between various components of the system;

Conducted integration testing to ensure smooth functionality across the POS, invoice administration, and inventory management systems;

Designed the technical and application architecture for the entire solution to ensure robustness and scalability;

Successfully launched the POS, invoice administration, and inventory management systems during my time at Hakim, delivering a fully integrated solution that improved operational efficiency.