Open to opportunities

David Gerhardt

@davidgerhardt

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I am a senior full-stack engineer specializing in blockchain, web, and mobile development.

United States

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What I'm looking for

I seek a customer-focused company where I can lead development of web, mobile, and blockchain solutions, drive automation, and improve customer retention through scalable, innovative software and collaborative teams.

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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Experience

Work history, roles, and key accomplishments

Senior Full Stack Developer

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.

React PHP AWS S3 Docker Gitlab React Native Flutter Smart Contracts NFT Marketplace

Team Leader

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.

Java .NET JavaScript Hybris

Senior Software Developer

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.

HTML CSS JavaScript jQuery

Senior Web Developer

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.

AWS React Python Django

Technical Support Specialist

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.

Technical Support Salesforce HelpDesk+

Full Stack Developer

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.

React React Hooks Redux Express