David Lee

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Staff Software Engineer

Bright Health (NeueHealth)

Apr 2021 - Current (5 years 2 months)

Led a team of 8 engineers building an Al-powered member enrollment and eligibility platform serving 600K+ health consumers across ACA Marketplace, Medicare, and Medicaid, leveraging ML models for risk stratification and achieving 99.9% uptime during open enrollment periods. Architected microservices-based claims processing system with Al fraud detection using Java, Spring Boot, PostgreSQL, Apache Kafka, and PyTorch models, reducing claim adjudication time by 45% and preventing $50M+ in fraudulent claims annually. Designed and implemented FHIR-compliant APIs integrated with an Al-powered care recommendation engine using Node.js, TypeScript, AWS Lambda, and OpenAI GPT-4, enabling seamless data exchange with 3K+ affiliated providers and 21 pay

Senior AI/ML Engineer

Tenna

Oct 2020 - Apr 2021 (7 months)

Construction equipment management software company providing fleet tracking, maintenance, and safety solutions. Architected and deployed ML-powered predictive maintenance system using Python, TensorFlow, PyTorch, Keras, and scikit-learn, analyzing telematics data from 650+ construction fleets to predict equipment failures, reducing unplanned downtime by 30% and extending equipment lifespan. Built real-time driver behavior analysis pipelines leveraging computer vision and NLP with Hugging Face Transformers, BERT, and custom CNN models for Al dash cam video processing, achieving 94% accuracy in identifying unsafe driving patterns and reducing incidents by 25%. Developed full-stack equipment management platform using React, Angular, Next.js, T

Founding Senior Software Engineer

The Knot Worldwide

Aug 2018 - Oct 2020 (2 years 3 months)

Global wedding and celebration planning technology company operating in 10+ countries. Architected and built Al-powered vendor recommendation engine from the ground up using Python, TensorFlow, PyTorch, Keras, and scikit-learn, analyzing user preferences and vendor profiles to deliver personalized wedding vendor matches, improving vendor booking conversion rates by 35%. Designed deep learning models for content understanding using NLP with Hugging Face Transformers, BERT, and GPT embeddings, processing millions of vendor listings, reviews, and wedding photos to extract features and improve search relevance, achieving 40% improvement in user engagement. Built scalable backend microservices using Python, Flask, Django, NestJS, and Celery, ser

Senior Software Engineer

athenahealth

Jan 2016 - Jul 2018 (2 years 7 months)

Healthcare technology company providing Al-native EHR, medical billing, and practice management solutions to thousands of medical practices. Developed Al-powered clinical documentation features for athenaOne EHR platform using Python, TensorFlow, PyTorch, and Keras, building natural language processing models that automated chart documentation and reduced physician documentation time by 40%. Architected and optimized machine learning models for medical coding and billing automation using NLP with Hugging Face Transformers and BERT, processing millions of clinical notes to suggest accurate ICD-10 and CPT codes, improving claim accuracy by 30% and reducing claim denials by 20%. Built scalable backend services for EHR platform using Java, Pyth

Software Engineer

XO Group

Jul 2014 - Dec 2015 (1 year 6 months)

Wedding and celebration planning technology company operating The Knot platform, providing vendor marketplace, registry, and planning tools. Optimized custom services for large-scale wedding vendor marketplace platform in an Agile environment, leveraging Python, Django, TypeScript, Angular, and PostgreSQL, increasing vendor listing processing capacity by 25% and improving search performance for millions of users. Built specialized services for user management, vendor directory, and registry processing using JavaScript, Node.js, ExpressJS, GraphQL, and Angular, enhancing system efficiency and scalability for wedding planning features. Debugged and tested backend applications using PHP frameworks such as Symfony and Laravel, ensuring optimal

Associate Software Engineer

XO Group

Nov 2013 - Jul 2014 (9 months)

Wedding and celebration planning technology company operating The Knot platform, providing vendor marketplace, registry, and planning tools. Developed and maintained enhancements to vendor management CRM solution using C# for plugin development, JavaScript for Ul enhancements, and automated workflows to streamline vendor onboarding and relationship management processes. Developed inventory management solution for vendor marketplace that checks vendor availability, integrates order creation and pricing information for wedding services, and automatically restricts contract creation when vendor capacities are unavailable. Developed sales integration component between external vendor booking website and internal CRM system, routing orders into

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Sustaining | Software Engineer

Shorewest

Jun 2012 - Aug 2013 (1 year 3 months)

Global market leader in business communications powering more than two billion business connections. Developed and maintained the enterprise server including tools for server side log collection, debugging, and minor enhancement feature requests. Wrote architecture specification documentation for the instant messaging component of the ShoreTel unified communications experience. Worked with a team of engineers to provide fixes to the field (software bugs, network debugging, configuration issues, etc) and QA on issues regarding the Shoreware Server and any applications communicating with the server core.

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