JVM: Java, Guava, Guice, Dagger, SpringBoot, Lucene, GWT, Scala & Kotlin;

Unix: Python, Go, C, Perl & Bash;

C#: ASP.Net;

Data: Airflow, MySQL, Hive, Presto, Spark, Megastore, Beam/Cloud Dataflow;

Web: NodeJS, Vue.js, HTML, CSS & JavaScript;

AWS: ALB, ASG, EBS, EC2, EFS, EKS, EMR, Lambda, RDS, CloudTrail, CloudWatch, CloudFormation, S3 …;

Agile & TDD

Andrew Ng's Stanford ML-Class.org;

Online

– Became Coursera

Oct 2011–Dec 2011

Review Questions: 76 out of a maximum of 80 Programming Exercises: 800 out of a maximum of 800

Columbia University;

New York, NY

– Non-Degree Semester

Sep 2007–Dec 2007

Introduction to Machine Learning, Video Game Design and Technology

Worcester Polytechnic Institute;

Worcester, MA

– BS Computer Science

Sep 1995–May 1999

Coupang Senior Backend Software Engineer Clickstream Web Logging

Seattle

Nov 2020–Present

• Developed Customer Experience Analytics Platform tool for self-service funnel, journey and trend analysis of web logging data
• MVP for CXAP tool: Stood up the web front on Vue.js 2 for customers of Business Analytics team
• Designed the scheduling of CXAP jobs
• Delivered Journey and Trend analysis for backend of CXAP with Spark and Scala
• Mentored intern project to port and extend UI on Vue.js 3 & converted to hire
• Assisted Retail Delivery team's mission-critical multi-AZ expansion projects

Coupang Senior Data Engineer Data Platform Tools and Infra

Seattle

Jul 2019–Nov 2020

• Migrated enterprise data warehouse's ~4000 Airflow ETL jobs from Airflow 1.8 to 1.10+, with custom semi-automated tooling.
• Right-size teams' infrastructure resource usage by monitoring for efficient use of EMR and Spark jobs
• Split Airflow into multiple deployments and onboard users to latest versions
• On call rotation as in Seoul.

Coupang Big Data Engineer Big Data Platform

Seoul

Aug 2017–Jul 2019

• Onboard teams (edw, growth, pricing, catalog, search, retail etc.) into airflow; configure and maintain EMR clusters for teams' jobs
• Develop Data Platform Portal tool with Cluster start-stop API, management, and Data Discovery
• Scale out Airflow to ~6000 dags with multiple deployments
• On call rotation for Airflow, Presto, Hive, Hue, Zeppelin, Spark, HDFS, Zookeeper etc.

Coupang Data Engineer Data Platform

Seattle

Jul 2016–Aug 2017

• Cloud migration. Lift and Shift on-prem IBM Netezza and HDFS Hive to EMR Hive on S3
• Update ETL into Airflow from Oozie and Talend
• Monitor data readiness with oncall rotations

Insight Data Science Data Engineering Fellow

New York City

Sep 2015–Jan 2016

• Realtime and batch processing on NYC MTA's GTFS stream with Kafka, Spark, HDFS, HBase, S3
• Generated user data in large scale for testing aim of notifying users of train delays
• Cluster on AWS EC2; project information and presentation at dlamblin.github.io/mta-delay-monitoring

Paragon Cloud Security Software Engineer

New York City

Mar 2015–Aug 2015

• Paragon was interested in cloud storage of security video and we got over 100 cameras storing footage on Azure.
• The Axis Camera's had embedded linux and a cross-compilation chain for edge video processing apps which we attempted to add scene/object recognition to.

Spectre App Founding Software Engineer

New York City

Nov 2014–Mar 2015

• Rapid prototype a photo-journalism sourcing app for location specific calls for photos with photographer licensing & attribution

Google Software Engineer

New York City

Jul 2010–Nov 2014

• Ported legacy Studio product, a rich advertisement authoring and QA web-app, to Google’s Web Toolkit front-end with a stubby rpc backend and megastore datastore
• Developed a dashboard to track component usage data of ads by comparing html5 vs. flash authoring, common formats, layouts, and generated impressions. Utilized cross-team apis and internal versions of GFS, Cloud Dataflow and Drill
• Implemented critical preview features for monitoring ad unit interactions and compliance
• Migrated user records and assets to support new multi-account users and unified asset library view
• Reduced reprocessing and conserved storage of assets by fingerprinting uploads, both on individual files and within archives

Sigato Group Software Engineer

Remote

Aug 2009–Jan 2010

• Engineered provider search functionality for New West Health with R-tree based search, maps, and directions, as a module for Drupal using PHP, MySQL, and Perl
• Integrated single sign-on to converge features from New West Health and partners

Travelocity Senior Web Application Developer

New York City

Jul 2006–Jan 2009

• Established features for IgoUgo.com using the ASP.NET 2.0 framework, C#, PrototypeJS
• Introduced a Lucene based index of content to offload db search as a wsdl service in Java and Spring with auto-completed suggestions for key geo-entities
• Boosted traffic ten fold through optimization of page structure, URLs and image file names

Hairzone Inc Head Web Developer

Moonachie

Oct 2004–Jul 2006

• Built and supported the multiple websites of four company brands with ASP

Richmond Research Inc Programmer

New York City

Feb 2003–Oct 2004

• Automated reporting and developed web products using Perl, PHP, Visual Basic and ActionScript for clients including Wall Street Journal and Priceline

Mile NY Website Programmer

Fort Lee

Oct 2002–Sep 2003

• Established MileNY's e-commerce site for using Perl, CGIs, and MySQL database

EMC Corp Associate Software Engineer

Milford, MA

Jun 2000–Oct 2001

• Extended EMC Data Manager Volume & Tape Library Manager's media duplication processes targeting Petabyte capable systems like Sony PetaSite with multiple robots and drives
• Improved and maintained EDM as a multi-process C based system with Sun RPC, threading, and IPC signals & pipes; Resolved deadlock by refactoring mutex hierarchy