Open to opportunities

FJ L

@fjl

Message

I am a lead data scientist specializing in AI-driven fraud detection.

Zimbabwe

Message

What I'm looking for

I seek senior roles building scalable AI platforms and ML products where I can lead cross-functional teams, drive operational excellence, and deliver measurable impact in fraud, risk, or payments domains.

I lead AI and data science initiatives focused on building operational, enterprise-grade systems that drive measurable outcomes. I architected an SOP-driven LLM Agent framework achieving 99.8% accuracy and platforms that automate fraud, AML, and chargeback workflows with major time savings.

I built a graph-based fraud investigation platform managing 3B+ nodes and edges, cutting investigation turnaround time by 40% and surfacing hidden networks and anomalies. I have led teams and engineering efforts—from transitioning TensorFlow 1.x to 2.0 to developing large-scale ETL, deployment, and cloud platforms—that saved millions and enabled reliable production ML at scale.

Experience

Work history, roles, and key accomplishments

Current

Lead Data Scientist

Current

Grab

Jan 2021 - Present (4 years 7 months)

Led architecture and enterprise deployment of an SOP-driven LLM agent platform managing 750+ resources and 200+ agents across 30+ teams and 25 Slack channels, achieving 99.8% workflow accuracy. Delivered use cases that cut AHT 45% (saving 300+ man-hours/month) and automated 87% of ATO cases, reducing handling time from 23 to 3 minutes.

LLMs)Prompt Engineering Python Kubernetes Distributed Systems Fraud Detection Platform Architecture

Team Lead

Clinc

Jan 2019 - Jan 2021 (2 years)

Led growth of Clinc's China team delivering AI infrastructure and customer solutions for OCBC and IsBank, migrating the codebase from TensorFlow 1.0 to 2.0 to accelerate prototyping and improve model performance. Established Agile practices and testing/deployment frameworks to boost productivity and stability across distributed systems.

TensorFlow Python ML Infrastructure AI Model Deployment Agile CI CD Performance Tuning

Co-founder & CTO

Vebits

Jan 2017 - Jan 2019 (2 years)

Co-founded and served as CTO of a Singapore startup, building a driving data platform for predictive maintenance, driver behavior improvement, and resource optimization that reduced operational costs for bus operators. Managed engineering, ML pipeline development, and delivery of analytics dashboards for operators.

Python Machine Learning Predictive Maintenance Data Pipelines Dashboards Team Leadership Delivery

Software Developer

Alibaba Group

Jan 2014 - Jan 2017 (3 years)

Built a data platform for MaxCompute, developing large-scale ETL pipelines across 50,000+ servers that saved $2M+ in operational costs and enabled ML-powered analytics and interactive dashboards. Implemented scalable Python execution, scheduling, load balancing, and fault-tolerance features.

MaxCompute Big Data Python ETL Distributed Systems Scalability Data Analytics

Software Developer Intern

IBM

Jan 2013 - Jan 2014 (1 year)

Developed a cloud platform prototype using OpenStack to automate bare-metal provisioning with Cobbler and Chef, improving scalability and deployment efficiency. Built automation components to streamline provisioning workflows.

OpenStack Cobbler Chef Cloud Automation Python Linux