WCWilliam Chang
@williamchang4
Experienced Staff Software Engineer specializing in backend and AI solutions.
United StatesWhat I'm looking for
As a Staff Software Engineer with over 8 years of experience, I have a proven track record in designing and implementing scalable backend systems and AI-driven solutions. At Tempus, I led the development of a cloud-native healthcare documentation system that reduced documentation time by 30%, significantly enhancing clinician efficiency. My expertise in Python, AWS, and microservices architecture has enabled me to drive impactful changes in healthcare technology.
Previously at Stripe, I designed secure backend systems for payment processing, optimizing transaction speeds and improving user experience. My work involved implementing GraphQL APIs and real-time data pipelines, which resulted in a 35% reduction in API response times. I am passionate about mentoring junior engineers and fostering a collaborative environment that encourages innovation and growth.
Experience
Work history, roles, and key accomplishments
Staff Software Engineer
Tempus
Jan 2019 - Present (6 years 6 months)
Led the backend architecture for a cloud-native healthcare documentation system utilizing Python, FastAPI, and AWS services, reducing documentation time by 30%. Designed and deployed real-time transcription pipelines using WebRTC, Kafka, and gRPC, enabling low-latency communication between healthcare professionals.
Software Engineer
Stripe
Jan 2015 - Present (10 years 6 months)
Designed scalable and secure backend systems for Stripe's payment processing platform using Go, Python, and PostgreSQL, handling high transaction volumes. Implemented GraphQL and RESTful APIs, reducing API response times by 35% and streamlining integration for new financial services.
Education
Degrees, certifications, and relevant coursework
UHUniversity of Houston
Bachelor's Degree, Computer Science
2010 - 2014
Completed a Bachelor's Degree in Computer Science, gaining foundational knowledge in programming, algorithms, and software development. Focused on core computer science principles and practical application.
Tech stack
Software and tools used professionally
OpenAPI
Airbyte
Fivetran
Apache Spark
Blockchain
Redash
Superset
Metabase
D3.js
Chart.js
Highcharts
Dialogflow
Amazon Lex
IBM Watson
Microsoft Azure
Google Cloud Platform
DigitalOcean
GitHub
GitLab
Bitbucket
ESLint
Prettier
Review Board
Kubernetes
Docker Compose
Cloudflare
Jenkins
CircleCI
GitHub Actions
Jenkins X
React Native
NumPy
Pandas
dbt
DB
Knex.js
MySQL
PostgreSQL
MongoDB
SQLite
MariaDB
Memcached
Cassandra
Hadoop
CouchDB
Shopify
Magento
PrestaShop
Gmail
InVision
Node.js
Django
Laravel
Next.js
Symfony
Nuxt.js
Material-UI
Bulma
UIkIt
three.js
Unreal Engine
Mixpanel
Databricks
Figma
Adobe XD
Zeplin
OpenCV
Redis
Terraform
Azure DevOps
Jira
Babel
Ant Design
Ember.js
Mocha
Vue.js
AngularJS
Svelte
WebGL
react-three-fiber
anime.js
Webpack
JavaScript
HTML5
Java
ES6
PHP
JSON
Perl
PowerShell
Clojure
Lua
OCaml
XML
HAProxy
UI Bakery
TensorFlow
PyTorch
Keras
MakeML
NLTK
Kafka
FastAPI
TypeORM
Istio
Grafana
Kibana
Prometheus
NLP Cloud
Sequelize
New Relic
Datadog
Heroku
Apollo
GraphQL
Prisma
OData
Firebase
Socket.IO
gRPC
JSON-RPC
Elasticsearch
WordPress
AWS Lambda
Google Cloud Functions
Azure Functions
Zustand
Webflow
Vercel
Netlify
Firebase Hosting
Chakra UI
OAuth2
WebRTC
BeautifulSoup
NGINX
Zapier
Wix
Squarespace
Balsamiq
UXPin
Airflow
Toolkit
Paperspace
MobX
Luigi
BigCommerce
Linode
Hotjar
Octopus Deploy
Haskell
CodeIgniter
SciPy
Hugging Face
LogRocket
Erlang
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
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