CV
More than models. Measurable results.
Professional Summary
Senior Data Scientist with 4+ years in fraud detection, NLP automation, and risk analytics across global enterprises. Delivered $1.7M+ in business impact using Sentence-BERT, XGBoost, and advanced feature engineering, collaborating with engineering teams to deploy production-ready ML solutions.
Skills
-
Machine Learning & AI: Supervised & Unsupervised Learning, Ensemble Methods (XGBoost, LightGBM), Fraud Detection & Anomaly Detection, NLP (Transformers, Sentence-BERT, SpaCy), Neural Networks & Deep Learning
-
Programming & ML Stack: Python, SQL, R, Scikit-learn, TensorFlow, PyTorch, Hugging Face, SpaCy
-
Data Science & Analytics: Predictive Modeling & Feature Engineering, A/B Testing & Hypothesis Testing, Time Series Forecasting
-
Visualization & BI: Power BI, Tableau, Plotly, Matplotlib, Seaborn, Data Storytelling, Dashboard Design
-
Infrastructure & Workflow: Python-based ETL Pipelines, Model Evaluation & Validation Frameworks, Monitoring Metrics & Data/Concept Drift Analysis, Collaboration with Engineering & DevOps, Git, Docker (working knowledge)
-
Collaboration & Strategy: Cross-functional Stakeholder Management, Technical Mentoring, Translating ML Outcomes into Business Impact
Work Experience
Dec 2024 – Present
Data Science Trainer & Consultant | The Sparks Foundation, Bengaluru, India
-
Designed and delivered 45+ hours of applied data science training to 150+ mid-career professionals via SGUnited partners (Rise by BCG, Lithan Academy, NTUC Learning Hub, Kaplan Inc.), achieving 92% completion and 85% job-readiness improvement.
-
Developed an industry-aligned ML curriculum covering Python, Scikit-learn, XGBoost, Transformers, and Power BI, with hands-on projects in fraud detection, NLP pipelines, and predictive modeling.
-
Mentored 60+ capstone projects across customer segmentation, time-series forecasting, and sentiment analysis, with 40+ reaching production-ready design standards.
-
Provided technical consulting for 3 SME clients, implementing Python-based ETL workflows and executive Power BI dashboards, reducing manual reporting by 40% and improving decision-making speed by 30%.
Oct 2023 – Sep 2024
Data Scientist | AXA Group Operations, Paris, France
-
Built an NLP-driven semantic similarity system combining BM25 retrieval, fine-tuned SentenceBERT ranking, and LightGBM scoring to automatically map local audit issues to SAF controls.
-
Achieved 93% Top-1 and 99% Top-3 mapping accuracy, reducing manual audit effort by 96% and generating approximately $180K in annual savings.
-
Collaborated with auditors, security assurance specialists, data architects, and ML engineers to translate domain requirements into scalable ML solution designs.
-
Designed explainable model outputs (confidence scores, key-phrase highlights) to improve auditor trust and adoption across multiple stakeholder groups.
-
Worked closely with engineering and DevOps teams to define deployment requirements, retraining strategies, and data drift monitoring for enterprise ML workflows.
Oct 2022 – Sep 2023
Data Governance & Analytics Project Manager | AXA Group Operations, Paris, France
-
Designed and validated a real-time fraud detection solution using XGBoost ensembles with engineered features including transaction velocity, geo-mismatch, device fingerprints, and graph-based merchant–user linkages.
-
Achieved a 94.2% F1-score, supporting a platform handling 1M+ daily transactions with sub100ms inference requirements.
-
Applied time-series cross-validation techniques to address fraud pattern drift and ensure model robustness over time.
-
Led a team of 3–5 data professionals, coordinating with 40+ stakeholders across fraud, risk, compliance, and data governance functions.
-
Delivered a $1.2M analytics portfolio with 98% on-time delivery, contributing to $1.5M+ in annual fraud loss prevention.
Sep 2021 – Sep 2022
Data Analytics Associate | AXA Group Operations, Kuala Lumpur, Malaysia
-
Developed classification models and statistical validation pipelines (t-tests, ANOVA) to support enterprise risk analysis workflows.
-
Automated Python-based ETL and anomaly detection processes, reducing data discrepancies by 80%.
-
Built interactive Power BI dashboards with live KPIs, improving business decision effectiveness by 10%.
-
Managed a team of 3 analysts, mentored 2 junior analysts, and collaborated with multiple cross-functional teams to streamline analytics delivery.
KEY PROJECTS & IMPACT METRICS
Automated Audit Intelligence System
-
Developed a two-stage ML/NLP pipeline (BM25 retrieval + fine-tuned Sentence-BERT ranking + LightGBM scoring) to link local audit issues with SAF controls.
-
Achieved 93% Top-1 / 99% Top-3 mapping accuracy, reducing manual audit workload by 96% (~384 hours/quarter, $180K annually).
Enterprise Fraud Detection Platform
-
Built an XGBoost-based real-time fraud detection system analyzing 1M+ daily transactions with latency <100ms.
-
Engineered features (transaction velocity, geo-mismatch, device fingerprints, graph link analysis), applied time-series CV, and attained 94.2% F1-score.
-
Mitigated $1.5M+ in operational risk losses annually.
Business Intelligence Optimization
-
Produced scalable customer segmentation dashboards using clustering algorithms (K-means, DBSCAN) tailored for regional markets.
-
Reduced manual reporting time by 30% and improved data-driven decision-making with a 98% delivery consistency.
Education
2021
Master of Science in Data Science and Business Analytics
Asia Pacific University of Technology and Innovation (APU), Malaysia
2018
Bachelor of Technology in Computer Science and Engineering
MCKV Institute of Engineering, India
Microsoft Power BI Analytics
2022
SAS Data Science Professional
2021
IBM Data Science Professional Certificate
2020
Awards & Recognition
AXA Innovation Excellence Award Winner
2023
Honored for creating an enterprise-grade ML automation system with $180K+ in annual savings.
AWS
Build Malaysia
Semifinalist
2020
(Top 10% of 500+ participants)
Recognized for an advanced ML solution in cloud-based data processing.
Best Rotaract President, RID-3291
2018
Awarded top district president among 60+ clubs for leading 80+ events, coorganizing 25+, and speaking at 3 guest events.