Billy Gareth
Implementation Engineer III at Sama
Alibaba Global Initiatives x Africa Business Heroes
Kenya
Hi, I'm Billy Gareth!
Implementation Engineer III at Sama
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Experience
Sama
Implementation Engineer III
March 2026 - Present
Spearheaded the design of an intelligent optimization platform that transformed operational throughput for Walmart, increasing productivity by 3,681% and reducing processing times for 350,000+ items by 97% without additional infrastructure costs
Architected the organization’s highest-complexity data and platform engineering initiatives, owning solution architecture, technical strategy, implementation, and production delivery across large-scale data processing systems delivering over 50 billion data points.
Mitsumi Distribution
Data Scientist - S5
April 2024 - July 2024
Leveraging advanced analytics, machine learning, and data-driven insights to address complex challenges, enhance process efficiency by an average of 30%, and foster 23% business growth and innovation.
Architecting and integrating solutions across global platforms (HPE, DELL, Lenovo) with Cloudera, Ligadata, and open-source stacks—improving data management and enrichment by 40% while accelerating time-to-value, enhancing security and flexibility, and enabling scalable experimentation for BFSI, Healthcare, Manufacturing, and Logistics clients.
Mitsumi Distribution
Lead – Engineering and Data Science
January 2023 - March 2026
Building intelligent solutions with a team of 6 engineers and data scientists, driving a 25% increase in Partner sales, 30% expansion in market reach, and stronger product affinity and profitability.
Building an AI-driven intercontinental marketplace leveraging data science to enhance efficiency by 60% for vendors, partners, and customers.
Engineering and implementing GenAI solutions powering 17 service stations across Africa—automating scheduling, advisory, and email workflows—boosting efficiency by 40% and cutting response time by 65%.
Xetova Limited
Data Scientist
December 2022 - June 2023
Developed credit risk and financial behavioural models for a Tier-1 bank, enabling data-driven financing decisions for project executors and their suppliers based on historical performance and reliability trends.
Engineered and led advanced data-driven solutions across financial, supply chain, and healthcare domains — cutting client costs by an average of 27% and improving operational efficiency by 32% through intelligent automation and predictive analytics.
KPMG East Africa
Associate - Data Science & Analytics
April 2022 - December 2022
Contributed to analytics and digital transformation initiatives across 5+ regional client engagements, supporting data-driven decision-making and operational modernization efforts.
Developed analytical workflows and reporting solutions that processed millions of records and enabled executive teams to make faster, evidence-based business decisions.
KPMG East Africa
Intern - Data Science & Analytics
January 2022 - March 2022
Developed and maintained advanced financial analysis and reporting frameworks for budgeting and expenditure management within a multibillion-dollar ecosystem, delivering actionable insights to directors across multiple regions.
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Languages
English
Swahili
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