Ngoc Doan

Backend at Experimentation platform - Implementing a large-scale feature flag migration workflow to migrate 50,000+ flags from a legacy system to a new platform with no downtime or disruption to active experiments. - Built a Kafka-based ingestion pipeline for OpenSearch, including indexer and bootstrap mechanisms, improving system discoverability for all experiments and feature flags in the new system. - Mass disabled 11,500+ unnecessary experiment logs, reducing log volume in the event processing pipeline by 45%, cutting Kafka throughput from 3GB/s to 1.5GB/s, and saving one-time $11K across Kafka, S3, Flink, and REST Proxy.

- Founding engineer at a venture-backed EnergyTech startup that raised $1.85M in seed funding to make solar energy affordable and accessible across Southeast Asia. - Spearheaded the data infrastructure from scratch, including a Postgres + TimescaleDB warehouse, real-time ETL pipelines in Go, and a self-serve BI platform with Metabase and Retool; empowering all business-related purposes. - Provisioned and deployed scalable infrastructure across Google Cloud and DigitalOcean, supporting continuous 5 to 30 minute telemetry streams from ~50 IoT devices (15K records/day) into the data infra.

- Proposed and co-established the first Data Structures and Algorithms class ever at Soka University of America - Built a program to automate grading over 300 assignment submissions using Python, unit testing, and Shell scripting - Facilitated weekly office hours to assist over 30 students with course materials and boost their academic performance

- Collaborated with teams in sales, marketing, and customer support departments to identify gaps in daily operations and propose solutions to streamline customer management, increasing total new customers by 50% over 2 months - Led roadmap prioritization and built 5 new features, 10 integrations, and 30 workflows on Hubspot CRM platform to track data of 50K+ users and contribute to a new revenue record of $33K and a 75% reduction in customer onboarding time - Educated 50+ employees to leverage Hubspot for managing data and saving 400 hours monthly of monotonous tasks - Investigated gaps in payment between Chargebee (payment processor), Firebase, and Hubspot and proactively coordinated several engineers to address bugs in backend billing system

Courses: Data Structures and Algorithms, Intermediate to Web Development (Codepath), Linear Algebra, Network Science