Jia Jen

Co-Founder

Naruvei

May 2026 - Current (3 months)

Sr. Data Scientist

Dataiku

Mar 2026 - Current (5 months)

Data Scientist (Associate Director)

Standard Chartered

Apr 2024 - May 2025 (1 year 2 months)

• Developed and deployed Streamlit chatbot for document querying and summarization using LLMs, supporting multiple downstream use cases for client research and proposal generation. • Increased development velocity for model and application development through: • Building reusable components for data quality assessment and filtering, model hyperparameter tuning and experiment tracking with Optuna and MLflow, and Dash and Streamlit frontend components. • Developing document querying and summarization Flask API including user access management, document upload, processing, vectorization and indexing with Chroma, enabling modular backend services. • Supported the team through multiple avenues including: • Providing guidance on using and deployi

Data Scientist (Manager)

Standard Chartered

Nov 2020 - Apr 2024 (3 years 6 months)

• Developed an end-to-end predictive client risk scoring pipeline using Random Forest and XGBoost models, replacing a vendor solution and deployed to production covering a $62.5B portfolio of Transaction Banking clients, resulting in $50k licensing cost savings yearly and generating $3M revenue in its first year of use. • Migrated risk scoring pipeline (Dataiku on-prem) to cloud-based infrastructure (Databricks on Azure), improving pipeline stability and scalability, and reducing infrastructure cost by $190k. • Developed a centralised news data processing pipeline to support downstream model development, spanning data architecture; multi-language sentiment scoring and auxiliary functions for entity searching, client ID mapping and semantic

Data Scientist (Assistant Manager)

Standard Chartered

Feb 2020 - Oct 2020 (9 months)

• Developed calibrated Random Forest default prediction models to generate default alerts for high risk clients covering a $47B portfolio of corporate clients. • Developed geocoding pipelines using Google Maps and OpenStreetMaps APIs to standardise client addresses for regulatory climate risk assessments, resulting in $35k vendor cost savings annually. • Built a location resolver using regex and fuzzy string matching to map noisy, free-text shipping location strings to standardised country names, reducing feature cardinality and improving model feature quality. • Generated macroeconomic stress test scenarios using Monte Carlo simulations to support regulatory audits.

Junior Data Scientist (Assistant Director)

Monetary Authority of Singapore MAS

Jan 2020 - Feb 2020 (2 months)

• Researched algorithms for automated amendment of legal instruments to reduce manual effort in legal team workflows.

Junior Data Scientist

Dentsu Aegis Network

Jul 2017 - Dec 2019 (2 years 6 months)

• Automated copywriting workflows by developing an LSTM-based algorithm for text advertisement generation. • Performed exploratory data analysis on Google DoubleClick Bid Manager log level consumer data to monitor and optimise advertising campaigns. • Built random forest models for automated campaign generation to improve programmatic advertising workflows.

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