Dan Haas
Software Engineer II - AI at Dan Z Haas Web Development
Baltimore, Maryland, United States
Summary
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Rockstar🎓
Top SchoolDan Haas is a Software Engineer II specializing in AI-driven full-stack applications, blending 3+ years of enterprise experience with 5+ years of freelance product work. He builds user-focused web and mobile apps with JavaScript, Node.js, React, and React Native, and applies AWS Sagemaker and Google Vertex to ship practical computer-vision and generative AI solutions. At PayPal he improved experimentation, operational efficiency, and product stability; now at Amergis he partners with architects to deliver chatbots, autonomous agents, and recommendation systems. His background in biochemistry and clinical health science informs health-focused projects like a skin-disease detection app, and his freelance portfolio includes an ecommerce site that generated six-figure sales and a vote-by-donation platform that raised $12.5k for Ukraine. Known for pragmatic, data-driven engineering, he bridges research, AI tooling, and production deployment to turn prototypes into reliable products.
3 years of coding experience
5 years of employment as a software developer
AA: Physics-Based Chemistry, AA: Physics-Based Chemistry at Harford Community CollegeBachelor of Science - BS Digital Media and Web Technology, Bachelor of Science - BS Digital Media and Web Technology at University of Maryland Global CampusMaster of Science - MS Anatomy and Clinical Health Science, Master of Science - MS Anatomy and Clinical Health Science at University of DelawareCertificate with Honors Full Stack Web Development, Certificate with Honors Full Stack Web Development at Nucamp Coding BootcampUMBC
Stackoverflow
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0reached
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Github Skills (12)
paypal10
js10
credit10
messaging10
typescript-types10
react9
checkout9
typescript8
javascript8
android-sdk7
monorepo5
typescript-definitions4
Programming languages (4)
Github contributions (5)
paypal/paypal-messages-android
May 2025 - Jul 2025
The PayPal Android SDK Messages Module: Promote offers to your customers such as Pay Later and PayPal Credit.
Contributions:1 review, 10 PRs, 13 pushes in 2 months
android-sdkpaypal
paypal/paypal-messaging-components
Jan 2023 - Dec 2025
PayPal JavaScript SDK - messaging components
Contributions:41 reviews, 48 PRs, 63 pushes in 2 years 10 months
javascriptpaypalfinancingcreditmessaging
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