HELLO, I'M YICAI

Software Developer

Front-End · Mobile · Full-Stack · AI

I build thoughtful, user-focused applications across web and mobile, and I'm expanding that engineering foundation into AI-powered products.

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About Me

I'm a software developer with a strong background in front-end and mobile application development. I enjoy turning complex requirements into clear, reliable experiences that feel intuitive to use.

My experience spans web, mobile, and full-stack solutions across the banking, healthcare, energy, retail, and public sectors.

FocusFront-End

FocusMobile

ExperienceFull-Stack

Growing IntoAI

Assignments

2026

iOS Developer

Major U.S. Bank (Nov 2025 – Jun 2026)

Contributed to the redesign of a large-scale mobile banking application serving millions of customers.
Developed features within the Pay & Transfer module, including payments, transfers, and payee management.
Implemented production-quality UI and business logic using Swift while collaborating with designers and backend teams.
Investigated and resolved feature defects, participated in code reviews, and supported production releases.
Provided weekend on-call production support to diagnose and resolve customer-impacting issues.

SwiftSwiftUIMVVM PatternJenkinSauceLabConfluence

2024-2025

Full Stack Developer

Major Healthcare Provider (Apr 2024 – Oct 2025)

Developed and maintained enterprise billing applications using Angular, .NET Core, and SQL Server
Migrated a large enterprise application from Angular 11 to Angular 17, upgrading project dependencies, resolving compatibility issues, and modernizing the application for long-term maintainability
Built new features, fixed production issues, and collaborated closely with QA and business stakeholders

Angular 11Angular 17Angular MaterialC#SQLAzure DevOps

2023-2023

Full Stack Developer

Major Healthcare Provider (May 2023 – Dec 2023)

Enhanced and maintained enterprise billing applications in an Agile environment.
Developed front-end functionality while implementing backend services and SQL queries.
Supported testing, defect resolution, and production deployments.

Angular 11Angular MaterialC#SQLAzure DevOps

2019-2023

Hybrid Mobile Developer

Major Electric Utility (Apr 2019 – May 2023)

Developed responsive and user friendly mobile features supporting residential, commercial, and municipal customers from scratch.
Implemented outage reporting, service requests, property management, and account management functionality.
Delivered features independently while collaborating within a distributed Agile team

Ionic 1Ionic 6AngularJSAngular 14

2018

React Developer

Major Retail E-Commerce Client (Nov 2018 – Mar 2019)

Developed shopping cart, coupon, and online payment user interfaces using React.
Integrated React reusable components with Adobe Experience Manager (AEM).

ReactAdobe Experience Manager

2018

React Developer

Major Federal Client (Jul 2018 – Oct 2018)

Developed scheduling, calendar, and event management features for a workforce dashboard.
Customized IBM WebSphere Portal themes and deployed portal applications

ReactReduxIBM WebSphere Portal

2017 - 2018

Hybrid Mobile Developer

Major Federal Client (Mar 2017 – Jun 2018)

Developed and maintained features for a hybrid mobile application as part of a five-member Agile development team.
Implemented user interface enhancements and application functionality while collaborating with teammates throughout the development lifecycle.
Participated in feature development, testing, bug fixing, and code reviews to ensure application quality.
Worked closely with QA and business stakeholders to deliver new functionality and production updates.

AngularJSIonic 1IBM MobileFirst Platform