I'm Eric Ling

Senior Software Engineer @ Meta

Eric's Photo

About me

Personal
Soaring through clouds and carving down slopes - these are the moments that make me feel truly alive. From , I've found my passions in the vast expanses of the sky and the powdery peaks of mountain ranges.

Professional

I build AI-driven systems that automate complex workflows and simplify operations at scale. My focus is on deploying practical LLM and machine learning solutions that improve real-world user and developer experiences.

Check out some of the projects that I've worked on!

Experience

September '24 - Present

Meta & Instagram

Senior Software Engineer

Actively building 😃

September '23 - September '24

Amazon Web Services

Senior Software Development Engineer - AWS Directory Services

  • Coordinated new initiatives, estimations and prioritization for roadmap projects and timelines for multiple teams.
  • Led a team of 3 engineers to launch Active Directory integration for a new AWS service, AWS Private CA Connector for AD.
  • Facilitated the growth of junior engineers across teams through direct mentorship or initiatives to spread both non-technical and technical knowledge such as breaking changes, security and availability best practices.
  • Delivered latency reductions up to 90% across multiple AWS services and reduced service operational pain by 100% through implementing a series of optimizations within a single service.
  • Designed the data model for a AWS Directory Service Data CRUD APIs, providing a consistent interface for managing and translating the default and customizable Active Directory schema.
  • Oversaw a dataplane fleet of 600K+ EC2 instances across all 30+ AWS regions, evaluating design and code changes to ensure scalability, availability, best-practices and avoiding breaking changes or one-way door decisions.
AWS
CDK
IAM
KMS
Kerberos
LDAP
OAuth
PKI
Active Directory
mTLS
Certificate-Based Auth
Cloud Computing
Serverless
Microservices
Distributed Systems
Cell-Based Architecture
Spring
Java
JavaScript
TypeScript
Python
Ruby
PowerShell
SQL
NoSQL
June '20 - August '23

Amazon Web Services

Software Development Engineer II - AWS Directory Services

  • Implemented and drove the delivery of a customer-committed feature to support client certificate based authentication for AWS Directory Service. Unblocking high-value customers to adopt multiple AWS Services.
  • Designed and developed a new automated testing platform to automatically orchestrate the complex test resource creation across various services and features to improve the CI/CD process and test coverage. Resulting in 40+ hours of dev savings per region build and continued maintenance and prevented numerous defects from being shipped.
  • Developed custom operational and greasemonkey scripts to improve developer and operational maintenance efficiencies, reducing average workflows per oncall by a few hours across multiple teams, resulting in 400+ dev hours saved per year across the org.
  • Designed TLS Channel Binding functionality for LDAPS connections to improve customer and service security posture.
AWS
CDK
IAM
KMS
Kerberos
LDAP
OAuth
PKI
Active Directory
mTLS
Certificate-Based Auth
Cloud Computing
Serverless
Microservices
Distributed Systems
Cell-Based Architecture
Spring
Java
JavaScript
TypeScript
Python
Ruby
PowerShell
SQL
NoSQL
May '19 - May '20

FAST Enterprises Logo
FAST Enterprises

Lead Software Consultant - Online Services

  • Oversaw the design and dev team of 5 engineers to overhaul and modernize client’s internal and public facing web apps.
  • Orchestrated the requirement-gathering and solution proposals across various teams and organizations over a period of 3 months+, resulting in the selection of the consulting company’s preferred solution for the project.
Management
Consulting
Microservices
CX
UX
A/B
jQuery
MVC
JavaScript
C#
VB.NET
SQL
April '17 - April '19

FAST Enterprises Logo
FAST Enterprises

Software Consultant - General

  • Devised solutions to streamline processes for clients by identifying inefficiencies and providing channels to optimize them.
  • Redesigned and lowered response times by up to 33% for Washington State’s driver and plate search system, providing dozens of query-able fields against 7+ million drivers and 30+ million vehicles.
Consulting
Microservices
CX
UX
A/B
jQuery
MVC
JavaScript
C#
VB.NET
SQL
EricLing.io
Created by Eric Ling