Infrastructure &
Distributed Systems
Engineer

Engineer at Salesforce building IAM platforms for 50K+ users. Specializing in high-throughput systems, automation, and LLM-powered workflows.

When I'm not building systems, I'm lifting, cooking Korean food, or watching questionable amounts of dog videos.

Distributed SystemsIAM & IdentityHigh-Scale InfrastructureLLM Pipelines
Get in touch

Impact at scale

2 weeks10 min

IAM provisioning time

Salesforce · 100+ teams

20%

Sprint capacity saved

Salesforce · per engineer

50K+

Internal users served

Salesforce · production IAM

10Kpages/day

Web crawler throughput

OC Vibe · 24/7 uptime

1 hr3 min

Analyst time per report

OC Vibe · 95% reduction

31K+executions

ML workflows processed

UC Irvine · 330+ researchers

Experience

Salesforce

Associate Member of Technical Staff

Current

Salesforce · Bellevue, WA

Nov 2025 – Present

  • Identity and Access Management Team
  • Built event-driven Slack notification pipeline surfacing provisioning failures in real time, reducing MTTR
  • Shipped Go backend services and React tooling for internal IAM platform used by 100+ engineering teams
  • Designed security-compliant identity infrastructure with full audit trails and policy enforcement at scale
GoReactSQL
Salesforce

Software Engineer Intern

Salesforce · San Francisco, CA

Jun 2025 – Sep 2025

  • Reduced identity provisioning time from 2 weeks → 10 minutes — fully automated entitlement workflows used by 100+ teams
  • Automated engineer onboarding workflows, eliminating 20% of per-engineer sprint overhead
  • Architected Java/SQL backend services processing hundreds of entitlement requests per day with zero data loss
  • Delivered full-stack IAM platform in 12 weeks as an intern — promoted to AMTS on return offer
JavaJavaScriptSQL
UC Irvine

Research Software Engineer

UC Irvine · Irvine, CA

Jun 2024 – Apr 2025

  • Built LLM system converting Jupyter notebooks into executable DAG workflows — cut ML pipeline setup from 3 weeks to 10 minutes
  • Contributed to Texera: distributed data processing platform handling 31K+ executions across 330+ active researchers
  • Engineered high-throughput data pipelines in Python, Java, and Scala processing large-scale ML workloads
  • Designed core architecture for LLM-based workflow automation — first-of-kind system deployed at UC Irvine research lab
PythonJavaScalaSQL
OC Vibe

Software Engineer Contractor

OC Vibe · Irvine, CA

Jan 2024 – Jan 2025

  • Architected web crawler sustaining 10K+ pages/day — containerized on Docker with Azure CI/CD for 24/7 uptime
  • Automated real estate market analysis end-to-end — cut analyst report time from 1 hour to 3 minutes (95% reduction)
  • Designed multi-stage data pipelines for scraping, transforming, and storing large-scale property market datasets
  • Deployed containerized microservices on Azure with rolling deployments and zero-downtime CI/CD pipeline
PythonReactMongoDBDockerAzure

Get in touch

Let's build something great.

I'm open to new opportunities, collaborations, and interesting conversations. Whether it's a role, a project, or just a chat — reach out.

choiji2@uci.edu