Lean Louiel Alzate Peria

Backend Engineer & Data Scientist

Quezon City, Philippines

I build backend systems, data pipelines, and ML models. Currently at IDP Education working on microservices for identity verification and IELTS booking systems using AWS and Python. MS Computer Science candidate at UP Diliman, with a thesis on LLM-assisted reinforcement learning for stock trading.

Experience

IDP Education · Backend Engineer

Jul 2025 – Jan 2026

Quezon City, PH (remote)

▸Contributed to development of microservices supporting IDP IELTS booking and identity verification services
▸Worked on REST API backend codebase in Python using AWS Lambda and AWS infrastructure
▸Developed mobile app backend for real-time identity verification at IELTS test centers, processing hundreds of verifications per day

Security Bank Corporation · Python Developer – Risk Analyst

Aug 2024 – May 2025

Quezon City, PH

▸Migrated risk management analytics ETL from SAS to AWS using pyspark code
▸Set up data pipeline as AWS Glue jobs loading into Redshift
▸Analyzed and improved risk analysis processes

Aperture Commerce · Analytics and Backend Developer

Feb 2024 – Jul 2024

Quezon City, PH (remote)

▸Developed analytics pipelines of e-commerce data into dashboards
▸Created web scraping backend leveraging large language models
▸Contributed to development of ETL jobs in Django backend

Okada Manila · Gaming Analyst

Mar 2023 – Feb 2024

Paranaque City, PH

▸Developed customer headcount forecast model for table game allocation planning
▸Created behavior clustering model for slot games with data-driven recommendations
▸Produced dashboards, performance reports, and database ETL in Python

Freelancer — dav.io · Machine Learning Researcher

Dec 2019 – Feb 2020

Remote