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@davidgerhardt
I am a senior full-stack engineer specializing in blockchain, web, and mobile development.
I am a results-driven senior software engineer with over a decade of experience building web, mobile, and blockchain solutions. I have led full‑stack projects using React, core PHP backends, AWS, Docker, CI/CD pipelines, and developed NFT marketplaces and smart contracts across Ethereum, BSC, Solana, Avalanche, Polygon, and Cosmos.
I automate processes to reduce overhead and accelerate growth, having improved internal systems for rapid business expansion and built integrations like ad API reporting, high-performance web crawlers, and client self-serve portals. I work well in Agile teams and enjoy mentoring, leading technical efforts, and delivering customer-focused products that improve retention and efficiency.
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Work history, roles, and key accomplishments
Dealmachine LLC
Jul 2020 - Sep 2024 (4 years 2 months)
Developed the Dealmachine React website with a core PHP backend, integrated AWS S3 file uploads, and implemented an NFT marketplace with smart contracts. Deployed a Dockerized product on AWS Elastic Beanstalk to improve portability and consistency across environments.
Moontek
Nov 2019 - Jun 2020 (7 months)
Led development center initiatives in cloud migration, microservices, mobile payments, and BI, delivering four websites and ongoing client maintenance. Played a key role in implementing a new E-commerce SaaS product that improved scalability and reduced infrastructure costs.
Goji Labs
Mar 2018 - Nov 2019 (1 year 8 months)
Designed and implemented web and mobile applications, UX/UI, and IoT solutions for diverse clients, producing reusable libraries to accelerate development. Delivered high-quality data services and tools that improved project delivery and maintainability.
Theodo UK
Aug 2017 - Feb 2018 (6 months)
Built an online marketplace MVP from wireframes using AWS, React, Python, and Django and received positive client feedback for engagement and delivery. Implemented E-commerce SaaS features and integrated frontend packages while maintaining backend content.
Anderson Consulting
Apr 2016 - May 2017 (1 year 1 month)
Provided end-user technical support, security administration, and remote troubleshooting while leading a company-wide migration from a legacy CRM to Salesforce. Created detailed training manuals and delivered end-user training to ensure smooth transitions and adoption.
Shopenauer LTD
Jul 2012 - Mar 2016 (3 years 8 months)
Developed a React-based web platform and Framework7 mobile apps, implemented Redux state management and Jest tests, and designed a PostgreSQL relational schema. Implemented CI/CD with GitHub Actions and Docker to improve deployment reliability and testing automation.
Degrees, certifications, and relevant coursework
Master of Science, Computer Science
2008 - 2012
Completed a Master of Science in Computer Science at the University of Missouri, Columbia from August 2008 to April 2012.
Bachelor's Degree, Computer Engineering
2004 - 2007
Completed a Bachelor's degree in Computer Engineering from March 2004 to October 2007.
Software and tools used professionally
Blockchain
Ethereum
DigitalOcean
GitLab
Salesforce
React Native
MySQL
PostgreSQL
MongoDB
Shopify
Magento
WooCommerce
Gmail
Django
Laravel
Symfony
.NET
Yii
Redis
Jira
jQuery
React-Vue
JavaScript
HTML5
Java
PHP
ASP.NET
Sequelize
iOS
Trello
GraphQL
Firebase
WordPress
NGINX
dockerized
Teamleader
AWS Elastic Beanstalk
BigCommerce
SQL
CakePHP
CodeIgniter
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