Allen Chen

AC

Open to opportunities

Allen Chen

@allenchen3

Senior software engineer delivering scalable web and mobile solutions across health and enterprise.

What I'm looking for

I seek roles where I can architect scalable web/mobile systems, lead technical execution, mentor engineers, and deliver measurable product and operational impact in cloud-native teams.

I am a Senior Software Engineer with over nine years delivering end-to-end web and mobile solutions across healthcare and ERP domains, from startups to large enterprises.

At Amazon I engineered patient-facing portals and provider workspaces using React, React Native, Node.js and Java, reduced front-desk call volume by 35%, and supported 50k+ synchronous consultations monthly through WebRTC integrations.

I built scalable backend systems and data pipelines (GraphQL, Apollo Server, Python, Airflow, AWS) that improved client-side performance and data accessibility for analytics and ML by large margins, and implemented CI/CD, containerization, and microservices to accelerate releases and resilience.

I mentor engineers, drive technical best practices, and enjoy solving complex problems that improve operational efficiency, automation, and patient outcomes.

Experience

Work history, roles, and key accomplishments

AM

Current

Senior Software Engineer

Current

Mar 2020 - Present (5 years 8 months)

Engineered patient-facing web and mobile telehealth platforms serving 200k+ monthly users, reducing front-desk call volume by 35% and achieving a 98.5% visit success rate for 50k+ monthly consultations.

React React Native Java GraphQL WebRTC AWS Microservices Python

VE

Full Stack Developer

Vendorpass

Sep 2016 - Jan 2020 (3 years 4 months)

Built full-stack scheduling, payroll, and compliance systems that reduced labor costs 7%, cut payroll errors 90%, and decreased manual audit time by 80% through event-driven architecture and integrations.

Python React PostgreSQL Kafka Java React Native WebSockets REST APIs

Education

Degrees, certifications, and relevant coursework

UH

University of Houston

Bachelor of Science, Computer Science

2012 - 2016

Completed a Bachelor’s degree in Computer Science with coursework and projects focused on software engineering, data structures, and systems development.

Tech stack

Software and tools used professionally

OpenAPI

Apache Spark

AWS Glue

Blockchain

D3.js

Chart.js

Highcharts

Microsoft Azure

Google Cloud Platform

DigitalOcean

Amazon S3

GitHub

GitLab

Bitbucket

Review Board

Kubernetes

Docker Compose

Cloudflare

Jenkins

CircleCI

GitHub Actions

Jenkins X

GitLab CI

React Native

NumPy

Pandas

dbt

DB

MySQL

PostgreSQL

MongoDB

Hadoop

CouchDB

Gmail

Node.js

Django

Spring Boot

Next.js

Tailwind CSS

three.js

Databricks

Neo4j

OpenCV

Redis

Terraform

Azure DevOps

Gradle

axios

Lodash

anime.js

JavaScript

Java

Kotlin

TensorFlow

PyTorch

scikit-learn

Keras

NLTK

Mapbox

Kafka

ExpressJS

Grafana

Prometheus

iOS

Heroku

Apollo

GraphQL

Prisma

OData

Firebase

Socket.IO

gRPC

Serverless

Zustand

Vercel

Netlify

pytest

JUnit

React Testing Library

OAuth2

Twilio

WebRTC

Formik

uWSGI

NGINX

Apache HTTP Server

LiteSpeed

Gunicorn

Zapier

IFTTT

Airflow

Toolkit

s3-lambda

MobX

Luigi

Octopus Deploy

Workato

SciPy

Hugging Face

Integromat

Supabase

LangChain

Jotai

Recoil

Framer Motion

Pinia

Enhance

LangGraph

Availability

Open to opportunities

Location

United States

Authorized to work in

Job categories

Senior Software Engineer Full Stack Developer Front End Developer Back End Developer Mobile Developer DevOps Engineer Cloud Engineer Data Engineer Machine Learning Engineer AI Engineer Site Reliability Engineer Senior Software Development Engineer Sr. Software Engineer Senior Software Developer Senior Staff Software Engineer Senior Principal Software Engineer Senior Engineer Senior Backend Software Engineer Senior C# .NET Software Engineer

Skills

JavaScript TypeScript Java Kotlin Python C++React Next.js Tailwind ExpressJS Spring Boot Django Microservices Event Driven Architecture Serverless MySQL PostgreSQL MongoDB Redis RESTful APIs GraphQL WebSockets WebRTC Twilio Docker Kubernetes AWS S3 GCP Terraform Jenkins GitHub Actions Apache Airflow AWS Glue Kafka Google Tools React Native Redux Apollo Client Jest Cypress Pytest scikit learn PyTorch Keras Pandas NumPy Snowflake Databricks Tableau LLMs (LangChain LLM Airflow Amazon S3 Apache HTTP Server Apache Spark Apollo Azure DevOps Bitbucket Blockchain Chart.Js CircleCi Cloudflare CouchDB D3.Js DigitalOcean Docker Compose Enhance Firebase Formik Framer Motion GitHub Gitlab Gitlab CI Gmail Google Cloud Platform Gradle Grafana Gunicorn Hadoop Heroku HighCharts Hugging Face IFTTT Integromat Junit Jenkins X Jotai LangGraph LiteSpeed Lodash Luigi Mapbox Microsoft Azure MobX Nginx NLTK Neo4j Netlify OAUTH2 OData Octopus Deploy OpenAPI OpenCV Pinia Prisma Prometheus React Testing Library Recoil Review Board Scipy Socket.IO Supabase TensorFlow Toolkit Vercel Workato Zapier Zustand Anime.Js Axios DBT gRPC iOS S3 Lambda UWSGI ThreeJS TailwindCSS NodeJS

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Allen Chen - Senior Software Engineer - Amazon | Himalayas