Ferdinand Halim Santoso

Pinnacle Investment Indonesia | Quant Dev Intern

• Cut backtest wall-time by 70% via parallelization (joblib, multiprocessing) and generalize the backtest engine to support diverse strategies via pluggable Signal/Risk/Execution interfaces.
• Co-designed event-driven alpha with 5% CAGR in 3-years walk-forward backtests (Indonesian Market / IDX).
• Built a WebSocket market-data aggregator to compute streaming research statistics.
• Ingested multi-format PDF tables with off-the-shelf parsers and standardized them into clean, join-ready datasets.

GIC | Software Engineer Intern

• Designed and implemented a distributed database query system for 200+ consumers.
• Developed an asynchronous application using FastAPI with a custom request queuing mechanism.
• Built Tableau Workbook Auto Deployment process with GitHub Actions for 500+ users.
• Automated database configuration updates with GitHub Action workflows.
• Created Tableau Web Data Connector for advanced data analysis and reporting.

PINUS | Co-Director of Tech Division

• Led a team to build "PINUS STUDY," a forum for 100+ Indonesian NUS students.
• Organized 3 workshops on Web Development, GitHub, and SQL for 30+ participants.
• Guided juniors in developing a link shortener project.

NUS | Grader and Proctor

• Graded 150+ assignments and exams for CS1010E, ensuring accuracy and consistency.
• Proctored exams for 100+ students, maintaining academic integrity.

Tongdun Technology | Software Engineering Intern

• Collaborated on data cleansing and feature engineering for predictive models.
• Assisted in developing credit scoring and risk management models.

Central Java Education Department | Mathematics Olympiad Trainer

• Trained the Central Java Math Olympiad Team, achieving 2 silver and 2 bronze medals.

Artium

Go, Next.js, PostgreSQL, Docker, GitHub Actions, Cloudflare R2

• Built auction app with Go + Postgres + Next.js, including listings, lifecycle (draft-active-ended), and bidding.
• Added image uploads via Cloudflare R2 signed URLs (direct client upload, backend-controlled access).
• Dockerized backend + DB; CI/CD with GitHub Actions to deploy on GCE; frontend on Vercel.
• Website | GitHub

PINUS STUDY

TypeScript, HTML/CSS, Go, React, NUSMODS API

• Led a team to build a forum for Indonesian NUS undergrads, with 100+ users collaborating on coursework.
• Optimized database performance with advanced SQL procedures, reducing query time by more than 50%.
• Designed and built backend features such as email verification, bookmarking, and password recovery.
• Created a custom automation script for DB initialization, reducing setup time significantly.
• Website | GitHub

Footycouch

JavaScript, HTML/CSS, NodeJS, React, ExpressJS, FPL API

• Co-developed a fantasy football platform with social media features.
• Deployed a backend using NodeJS/ExpressJS with a MySQL DB.
• Integrated the FPL API, automating real-time data updates for a seamless UX.
• GitHub