Summary
Helfi Pangestu is a Senior Data Engineer with nine years of hands-on experience building cost-efficient, production-grade data platforms across AWS, GCP, and Kubernetes for companies including Appen, Bukalapak, and Quadrant.io. He specializes in pipeline orchestration (Airflow/MWAA), big data processing (Spark, Redshift, Dataproc), and automating CI/CD—having built a Kubernetes self-hosted GitHub Actions runner and refactored fraud and payment systems to materially boost performance and accuracy. Helfi combines engineering rigor with pragmatic cost reductions (e.g., 40% storage and monitoring cost cuts) and has applied LLMs to speed debugging in data workflows. A former founder and startup award-winner with a B.S. in Informatics, he pairs full-stack backend skills with a product mindset and a mission to create software that meaningfully helps people.
9 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Informatics, Bachelor's degree, Informatics at Universitas Brawijaya
Indonesian