Professional Resume

Professional Summary

Senior Full-Stack Software & IT Consultant with 25+ years of proven experience in enterprise system modernization, microservices architecture, and large-scale data processing. Expert in transforming legacy systems into scalable, modern architectures while maintaining operational continuity. Specialized in AI-assisted development workflows and enterprise integration solutions.

Core Competencies

Professional Experience

Software Consultant

Self-Employed | 2020 - 2022, 2024 - Present

• Perform software engineering services, specializing in full-stack web and mobile development
• Provide strategic, architectural and IT consulting to small businesses

Senior Data Engineer

United Health Group | 2022 - 2023

• Architected and implemented petabyte-scale data processing systems for healthcare claims and member data
• Designed and operated ETL pipelines processing millions of healthcare records daily in a data lakehouse
• Implemented comprehensive monitoring and dashboards for distributed systems observability and incident response
• Led infrastructure and documentation migrations, managing dozens of services across production environments

Senior Software Engineer

Copart | 2017 - 2020

• Led the migration of pricing and vendor management from legacy AS/400 platform to modern microservices architecture
• Architected and implemented pricing services calculating millions of transactions and billions in annual revenue
• Built comprehensive CI/CD pipelines using GitHub, Jenkins, Kubernetes and Spinnaker across multiple environments
• Collaborated cross-functionally with product, database, and DevOps teams on rapid feature iteration
• Established development standards, code review processes, and automated testing and analysis
• Mentored development team on modern software engineering practices and system design principles

Lead Architect

Sonoma Technology | 2010 - 2016

• Developed Scientific Modeling Framework (SMF) for management of environmental models and large GIS data sets
• Created web-based visualization platforms for scientific data analysis and reporting
• Built a custom DSL for workflow orchestration, chaining UI, data processing and model execution
• Owned production operations including performance monitoring, capacity planning, and incident response
• Collaborated with scientists and researchers to translate requirements into technical solutions

Director of Engineering

NapaStyle | 2005 - 2009, 2010 - 2015 (consultant)

• Led development team in building and maintaining e-commerce platform serving millions of customers
• Implemented order management systems, inventory automation, and payment processing workflows
• Established agile development practices and continuous integration pipelines
• Managed integration with third-party logistics providers and fulfillment centers
• Drove technical decisions for platform scalability and performance optimization

Technical Skills

Programming Languages

Java, JavaScript/TypeScript, SQL, Python, Scala, C/C++, Bash, HTML/CSS

Frameworks & Libraries

Spring Boot, React, Redux, Node.js, Next.js, Gradle and Maven, Tailwind, Bootstrap

Databases & Data Stores

PostgreSQL, MySQL/MariaDB, Sqlite, MS SQL, Oracle, PostGIS, Redis, Elasticsearch

API Development & Tools

REST, Swagger/OpenAPI, SOAP, ASN.1; gRPC, protobuf; Postman, curl

Cloud Platforms & Containers

AWS (EC2, S3, RDS, Lambda), Azure, Google Cloud Platform, Docker, Kubernetes

Data Streaming & Processing

Apache Kafka, Spark and Airflow; gRPC & protobuf; RabbitMQ, Celery, ETL/ELT tools

DevOps & Tools

DataDog, Jenkins & CloudBees, GitHub Actions, Terraform, Grafana/Prometheus, Instana

Testing Framesworks & Tools

JUnit, Selenium, Jmeter, Mocha, Jest, Pytest, Cucumber, Mockito

AI Development Tools

Claude Code, GitHub Copilot, Cursor, Aider, Qwen-coder, agentic frameworks

Education

B.S. - Computer Science
University of California, Santa Barbara

Key Achievements

• System Migration Excellence: Successfully modernized mission-critical business systems for S&P 500 corporations and small businesses
• Scalability Engineering: Designed and implemented systems processing petabytes of data in real-time and batches, in the cloud and on-prem
• Team Leadership: Led and mentored 20+ developers over 25+ years, establishing best practices and improving numerous velocity, code quality and performance metrics
• Innovation Adoption: Early adopter of new technologies throughout my career, but with deliberate practice, always testing and analyzing
• Cross-Industry Impact: Delivered successful projects across healthcare, e-commerce, automotive, science and government, demonstrating adaptability and strong collaboration with domain experts