Sean Chen

Blink Charging

May 2022 - Sept 2024

Senior Front End Engineer

• Built Network Map showing all Blink EV charging stations globally using NextJS with Google Maps API
• Find a Charger
• Developed new features and resolved bugs using React with Typescript/JavaScript for Blink web portals
• Incorporated Okta Identity and Access Management to Blink web portals for FedRamp compliance
• Integrated CASL library for managing user web page access and authorization on Blink web portals
• Researched on migrating existing Blink web portals from monolithic to micro frontend architecture
• Improved Bitbucket Pipelines CI/CD pipeline to include static code analysis with SonarCloud
• Wrote unit tests with Jest and Cypress to ensure code coverage and expected application behavior
• Ran npm audit tests to ensure all React and NextJS applications are using secure libraries

Kaiser Permanente

Jun 2017 - May 2022

Software Engineer

• Implemented new features for kp.org Appointment Center API using Java and Spring Boot
• Collaborated with DBA’s to create database tables and update stored procedures using PL/SQL
• Reduced technical debt and improved maintainability by fixing code issues detected on SonarQube
• Incorporated Liquibase for tracking data and stored procedure changes across multiple environments
• Developed KPATHS Call Center UI and resolved technical defects in a timely manner using Angular
• Wrote Unit tests in Jasmine for Frontend and JUnit for Backend while achieving ~80% code coverage
• Conducted code reviews to ensure defect free source code meets acceptance criteria

Kaiser Permanente

Jul 2015 - Jun 2017

Technical Associate

Established useful technical and business skills through four comprehensive six month rotations within KPIT.

• Rotation 4: Cloud Services Group - DevOps (Jan 2017 - Present)
  • Integrated Nexus IQ and White Hat into Jenkins for verifying secure application builds
  • Created Chef cookbook to automate provisioning of multiple Jenkins shared agents
• Rotation 3: Technology Risk Office - Red Team (Jul 2016 - Jan 2017)
  • Performed penetration tests on web/mobile applications, PCI systems, thick clients, and servers
  • Successfully exploited DMZ web server using root login and default password with hydra
  • Wrote Python script to automate cyber security intake requests and validate returned results
• Rotation 2: Shared Analytics - Advanced Technologies Group (Jan 2016 - Jul 2016)
  • Parsed SAS logs for CPU/Memory usage, time ran, and product used during specified timeframes
• Rotation 1: Application Lifecycle Management (Jul 2015 - Jan 2016)
  • Integrated a build and deploy pipeline with Jenkins and IBM UCD for projects stored in IBM RTC