David. O (MBCS)

Experience

• 

  BRAXCOM GLOBAL CONCEPT

  Jan 2012 - Jan 2014

  Network Administrator

  • Designed the Network topology of the company• Implementation of the designed Topology• Maintained the network, Monitor the network for security threat and investigate a violation when one occurs• Analyze security risk and create a response procedure. • Ensured Information security policies are carried out by the members of staff.• Created, tested and implemented network disaster recovery plans• Performed risk assessments and testing of data processing systems• Installed firewall, data encryption and other security measures• Researched the latest information technology (IT) security trends, recommended advance security updates/enhancements and oversee purchases such as hardware• Trained staffs on network and information security procedures• Conducted penetration testing, which is when analysts simulate attacks to look for vulnerabilities in their systems before they can be exploited Show less

• 

  Cyxern Technologies

  Jan 2017 - Jan 2017

  Python Developer

  Developed Python Django software products (backend)Worked closely with UX and Front-end DevelopersParticipated in architectural, design and product (prototype) review discussionsDesigned and created RESTful APIs for internal and partner consumption

• 

  Apple & Pears Limited

  Jan 2017 - Dec 2018

  Information Technology Administrator
• 

  Huawei

  Jan 2019 - Jan 2023

  Data Engineer

  • Built basic ETL pipeline that ingested data from different data sources, transformed data improved voice calls, data services by 40%• Automated ETL processes across billions rows of data which reduced manual workload by 38%• Designed the data model for a new product that scaled quickly in user numbers..• Maintained automated data pipeline with an uptime of 99.8% while ingesting streaming and transactional data across different primary data sources using Kafka, Airflow and python.• Enhanced data systems continuously by working closely with data and analytics experts on greater functionality. Show less

• 

  Valtech

  Jan 2023 - now

  • Senior Data Engineer

    Oct 2024 - now

  • Data Engineer

    Jan 2023 - Oct 2024