Hi there! I’m Christopher Johnson, a Senior AI Specialist based in Miami with 10+ years of experience building AI-powered IT solutions for B2B and B2C platforms. I’m passionate about modular architectures, scalable cloud deployments, and delivering measurable revenue growth through reusable components that power real-world products across Web3 and enterprise domains. I currently lead cross-functional teams, design multi-modal AI systems, and partner with product, design, and ML engineers to turn ambitious ideas into reliable, high-performing software. I’m dedicated to creating seamless user experiences and robust backends that enable AI features to flourish in production environments.

Christopher Johnson

Hi there! I’m Christopher Johnson, a Senior AI Specialist based in Miami with 10+ years of experience building AI-powered IT solutions for B2B and B2C platforms. I’m passionate about modular architectures, scalable cloud deployments, and delivering measurable revenue growth through reusable components that power real-world products across Web3 and enterprise domains. I currently lead cross-functional teams, design multi-modal AI systems, and partner with product, design, and ML engineers to turn ambitious ideas into reliable, high-performing software. I’m dedicated to creating seamless user experiences and robust backends that enable AI features to flourish in production environments.

Available to hire

Hi there! I’m Christopher Johnson, a Senior AI Specialist based in Miami with 10+ years of experience building AI-powered IT solutions for B2B and B2C platforms. I’m passionate about modular architectures, scalable cloud deployments, and delivering measurable revenue growth through reusable components that power real-world products across Web3 and enterprise domains.

I currently lead cross-functional teams, design multi-modal AI systems, and partner with product, design, and ML engineers to turn ambitious ideas into reliable, high-performing software. I’m dedicated to creating seamless user experiences and robust backends that enable AI features to flourish in production environments.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent

Work Experience

Senior Full-Stack Lead at ChainGPT
January 1, 2024 - Present
Architected a production AI platform exposing GenAI and agentic AI web services (AI Chatbot, content generation, intelligent contract workflows), processing 5M+ API requests per month across Web3 and blockchain applications. Built a multi-modal, multi-turn AI chatbot driven by a multi-agent orchestration layer on AWS, executing 1K+ automated agent actions per day and reducing manual operational effort by ~40%. Implemented an event-driven, RAG-based agentic architecture integrating on-chain and off-chain knowledge sources, vector databases, relational databases, and data warehouses, cutting information retrieval latency by 20% and improving response accuracy for ML features. Created full-stack web and mobile applications with SEO optimization, high-performance UIs, increasing organic traffic by 25% and improving user engagement by 20% across crypto and Web3 products. Led technical design and implementation efforts across frontend, backend, and AI services, mentoring 5+ engineers through
Senior Full-Stack Engineer at Google
January 1, 2019 - January 1, 2024
Programmed AI-powered full-stack applications integrating computer vision, language translation, and media intelligence capabilities, scaling globally via geographically distributed cloud infrastructure, driving 20% growth in customer adoption. Optimized high-throughput customer-facing APIs behind cloud load-balancing gateways, improving reliability and increasing API throughput by 30% while maintaining strict latency and availability SLAs. Architected and delivered API-driven ETL and inference microservices supporting ML-powered and GenAI-enabled features for Google AI and G Suite products, enabling scalable, low-latency AI experiences and contributing to 10% growth in user engagement. Collaborated with product managers, UX, and ML engineers to embed AI features directly into end-user workflows, aligning platform capabilities with productivity use cases typical of Google Workspace products.
Software Engineer at Stripe
January 1, 2016 - January 1, 2019
Spearheaded core financial product development, orchestrating a high volume of fintech REST APIs with high availability and reliability in collaboration with a product team of 10+ members. Refactored front-end architecture to align with SEO and performance best practices, ensuring seamless data flow and contributing to a 50% improvement in customer satisfaction metrics. Re-engineered core financial systems into scalable, API-driven microservices, leveraging cloud infrastructure to reduce transaction latency by ~30% while improving fault isolation and scalability. Implemented CI/CD pipelines with containerized deployments, reducing release cycles and deployment time by 20% through automation and standardized workflows. Programmed Python ETL batch workflows to transform financial and behavioral data into ML-ready feature stores, supporting fraud, anomaly detection, and forecasting use cases, reducing feature latency by 20%.
Full-Stack Developer at ThoughtWorks
January 1, 2014 - January 1, 2016
Developed AWS-native CMS and e-commerce solutions using Django and PHP-based frameworks to deliver scalable and high-performance web applications for startups and enterprises, generating an average revenue of 100K every quarter. Designed and programmed MERN & MEAN stack web & mobile applications in an agile environment, delivering robust code ensured by a test-driven process with 70-90% test coverage. Migrated monolithic apps into event-driven patterns running on online databases and message brokers, combined with serverless functions to reduce overall execution time and cost by 30%. Optimized DB queries and data access layers across relational and non-relational databases using indexing, query refactoring, and caching strategies, reducing average API response times by 50% under peak traffic.

Education

Bachelor's Degree in Computer Science at University of Texas at Austin
January 1, 2009 - January 1, 2013
Bachelor's Degree in Computer Science at University of Texas at Austin
January 1, 2009 - January 1, 2013

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Media & Entertainment, Professional Services, Financial Services, Other