# Alex Fan

> Software Engineer at Salesforce

Location: Daly City, California, United States
Profile: https://flows.cv/alexfan1

## Work Experience
### Staff Software Engineer @ Salesforce
Jan 2020 – Present
Authorization & Permissions Framework
Focused on enforcing security standards around data access and analyzing evolving production systems for vulnerabilities

### Senior Software Engineer @ Lyft
Jan 2018 – Jan 2020
Payments Team
--Focused on improving the payments platform in its flexibility, reliability, & observability, enabling the platform to scale with increased passenger & driver payments
--Mentor & establish processes to increase developer productivity
--Worked cross-functionally (marketing, communications, legal) to maximize program adoption and meet compliance regulations

Projects
--Chase partnership for riders to earn accelerated points for paying with Chase cards
--Lyft Direct for drivers to receive instant payments after each ride
--New payment provider integrations for reliability & flexibility
--Minimizing the cost of payment processing
--Automation of payments reconciliation
--Fraud & incident detection

Languages:  Python, Go, PHP
Tools:  Splunk, Kibana, Grafana

### Senior Software Engineer - Backend @ Bill.com
Jan 2015 – Jan 2018
API Infrastructure
--Integrated OAuth 2.0 to secure public APIs and internal private APIs
--Increased throughput & robustness via API Throttling
--Enforced secure practices regarding cookie properties, HTTP headers, & sanitization
--Enhanced UI development by providing metadata, filtering, & batch functionality
--Improved consumption of legacy APIs

Technical Infrastructure
--Improved Oracle performance by adding new indexes and reducing load with Redis
--Microservice architecture
----Introduced search service built with ElasticSearch
----Defined deployment & configuration process with Vagrant & Ansible scripts and DropWizard

Programming language:  Java
SCM:  Perforce, Git
Build & Dependency Management:  Gradle, Ant
Tools:  Jenkins,  Swarm code review, Splunk,  New Relic,  JMeter
Unit Test Frameworks:  TestNG & Mockito

### Software Engineer @ Cisco Systems
Jan 2012 – Jan 2015 | San Jose
OpenSDN Controller Team (August 2014 - June 2015)
--Python Backend Development - REST APIs & Background processes
--Angular 1.0 (AngularJS) User Interface Development
--​--Created new AngularJS modules, controllers, services, & directives
--​--Utilized Bootstrap & Less frameworks to provide cross-browser & mobile
compatibility
--​--Fulfilled security requirements to prevent XSS & other injection attacks

OpenDaylight Team (October 2013 – August 2014)
--Generating APIs using RAML (REST API Markup Language)
--Contributing to the open source OpenDaylight project, focusing on the SDN controller
--​--Defining data models for network elements and hosts using YANG
--​--Optimizing host tracking and packet forwarding logic

WebEx Social Team (Jan 2012 - October 2013)
--Designed and implemented REST APIs using the Jersey framework
--Created data models for WebEx Social objects, i.e. users and posts
--Extended the test automation framework for new API workflows
--Added integration tests & regression tests to the test suites
--Developed OpenSocial gadgets & OAuth gadgets

Scrum/Agile teams for entire time
SCM:  Git
Tools:  Maven, Gerrit, Jenkins

### Software Engineering Intern @ Cisco Systems
Jan 2011 – Jan 2011 | San Jose, California
WebEx Social API Team
--Iterative development of JSON RPC handler on Apache Shindig  
--Created unit tests using the TestNG framework & Mockito
--Implemented JavaScript code generator using Java Reflection

### Student Programmer @ UCLA Social Sciences Computing
Jan 2010 – Jan 2011
Testing & debugging new features on the UCLA Course Websites
Development of new features requested by professors and system administrators


## Education
### BS in Computer Science
UCLA


## Contact & Social
- LinkedIn: https://linkedin.com/in/alexfan33

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Source: https://flows.cv/alexfan1
JSON Resume: https://flows.cv/alexfan1/resume.json
Last updated: 2026-04-12