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I am a Senior Full Stack Engineer with over 10 years of experience designing and leading creation teams to build IT solutions for both B2B and B2C businesses. I focus on creating reusable code structures and system optimizations to reduce maintenance costs while delivering high revenue products consistently. Throughout my career, I have built scalable AI infrastructures, developed blockchain networks, and enhanced API-driven microservices for major companies like Google and Stripe. I take pride in mentoring junior engineers and driving innovation through cutting-edge technologies to provide excellent user experiences.…I am a Senior Full Stack Engineer with over 10 years of experience designing and leading creation teams to build IT solutions for both B2B and B2C businesses. I focus on creating reusable code structures and system optimizations to reduce maintenance costs while delivering high revenue products consistently. Throughout my career, I have built scalable AI infrastructures, developed blockchain networks, and enhanced API-driven microservices for major companies like Google and Stripe. I take pride in mentoring junior engineers and driving innovation through cutting-edge technologies to provide excellent user experiences.

Christopher Johnson

Full Stack Developer, Developer, Cloud Developer, +4

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I am a Senior Full Stack Engineer with over 10 years of experience designing and leading creation teams to build IT solutions for both B2B and B2C businesses. I focus on creating reusable code structures and system optimizations to reduce maintenance costs while delivering high revenue products consistently. Throughout my career, I have built scalable AI infrastructures, developed blockchain networks, and enhanced API-driven microservices for major companies like Google and Stripe. I take pride in mentoring junior engineers and driving innovation through cutting-edge technologies to provide excellent user experiences.…I am a Senior Full Stack Engineer with over 10 years of experience designing and leading creation teams to build IT solutions for both B2B and B2C businesses. I focus on creating reusable code structures and system optimizations to reduce maintenance costs while delivering high revenue products consistently. Throughout my career, I have built scalable AI infrastructures, developed blockchain networks, and enhanced API-driven microservices for major companies like Google and Stripe. I take pride in mentoring junior engineers and driving innovation through cutting-edge technologies to provide excellent user experiences.

Available to hire

I am a Senior Full Stack Engineer with over 10 years of experience designing and leading creation teams to build IT solutions for both B2B and B2C businesses. I focus on creating reusable code structures and system optimizations to reduce maintenance costs while delivering high revenue products consistently.

Throughout my career, I have built scalable AI infrastructures, developed blockchain networks, and enhanced API-driven microservices for major companies like Google and Stripe. I take pride in mentoring junior engineers and driving innovation through cutting-edge technologies to provide excellent user experiences.

Skills

Experience Level

Expert

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Intermediate

Language

English

Fluent

Work Experience

Senior Full Stack Engineer at ChainGPT

January 1, 2023 - Present

Designed and developed AI infrastructure to provide AI-powered web services including NFT generator, AI chatbot, and AI smart contract generator within the Web3, Blockchain, and Crypto space. Implemented scalable microservices architecture to scrape large volumes of data for fine-tuning a GPT model with 90% accuracy. Created a blockchain network enhancing cybersecurity and transparency in Web3. Developed web and mobile applications integrated with leading Crypto and Web3 APIs, ensuring intuitive user interfaces.

Senior Full Stack Engineer at Google

January 1, 2023 - August 8, 2025

Developed API-driven ETL microservices for machine learning model inference and data preprocessing, increasing AI product visitor volume by 80%. Enhanced customer APIs with load balancing gateways improving throughput by 50% while maintaining low latency. Refined AI-powered online media streaming services incorporating face recognition and translation, expanding customer traction by 60%. Mentored junior engineers through weekly code reviews to uphold code quality and foster team learning.

Software Engineer at Stripe

January 1, 2019 - August 8, 2025

Led a product team of over 10 members to deploy high-volume fintech RESTful APIs to enhance reliability and integration. Refactored UI following SEO best practices to improve customer satisfaction by 50%. Reengineered financial systems into scalable microservices architecture, reducing transaction latency by 30%. Established CI/CD pipeline with cloud containerization, reducing deployment time by 30%.

Full Stack Developer at ThoughtWorks

January 1, 2016 - August 8, 2025

Delivered CMS and e-commerce solutions using Amazon IaaS and Django/PHP MVC frameworks generating quarterly revenues of $100K. Developed web and mobile applications using MERN and MEAN stacks with unit and benchmark fuzzy testing coverage of 70-90%. Created event-driven microservices with message queues and serverless functions reducing deployment costs by 50%.

Senior Full Stack Engineer at ChainGPT

January 1, 2023 - Present

Led the design and programming of AI infrastructure delivering AI-powered web services such as NFT generator, AI chatbot, and AI smart contract generator in the Web3, Blockchain, and Crypto space. Implemented scalable microservices for data scraping to fine-tune GPT models with 90% accuracy. Created a blockchain network to enhance cybersecurity and transparency. Developed integrated web and mobile apps with leading Crypto & Web3 APIs, focusing on intuitive UI and superior user experience.

Senior Full Stack Engineer at Google

January 1, 2023 - September 3, 2025

Structured API-driven ETL microservices for ML model inference and data preprocessing, scaling ML infrastructure for AI products and increasing visitor volume by 80%. Improved customer APIs using load balancing and cloud instances to increase throughput by 50%. Enhanced AI-powered online media streaming services involving face recognition and translation, geographically distributing workload, resulting in 60% more customer traction. Mentored junior engineers and led weekly code reviews to maintain high code quality and promote team learning.

Software Engineer at Stripe

January 1, 2019 - September 3, 2025

Led a 10+ member product team to deploy high-volume fintech RESTful APIs, improving reliability and integration. Refactored UI following SEO best practices, boosting customer satisfaction by 50%. Reengineered financial system into scalable API-driven microservices using cloud solutions, reducing transaction latency by 30%. Established CI/CD pipeline with cloud containerization, cutting deployment times by 30%.

Full Stack Developer at ThoughtWorks

January 1, 2016 - September 3, 2025

Delivered scalable CMS and e-commerce solutions using Amazon IaaS, Django, and PHP MVC frameworks, generating $100K quarterly revenue. Developed web and mobile apps using MERN and MEAN stacks in agile teams, ensuring robust unit and benchmark fuzzy test coverage from 70% to 90%. Created event-driven microservices integrated with databases, message queues, and serverless functions, reducing deployment costs by 50%.

Senior Full Stack Engineer at ChainGPT

January 1, 2023 - Present

Designed and programmed AI infrastructure to provide AI-powered web services including NFT generator, AI chatbot, and AI smart contract generator in Web3, blockchain, and crypto space. Implemented scalable microservices architecture to scrape and fine-tune a pre-trained GPT model achieving 90% accuracy. Developed blockchain networks to enhance cybersecurity and transparency. Created web and mobile applications integrated with diverse crypto and Web3 APIs ensuring intuitive user experiences.

Senior Full Stack Engineer at Google

January 1, 2023 - September 5, 2025

Structured API-driven ETL microservices for machine learning model inference and data preprocessing to build scalable ML infrastructure for Google AI, increasing visitor volume by 80%. Improved customer APIs with load balancing gateways boosting API throughput by 50%. Refined AI-driven online media streaming services with face recognition and translator features, geographically distributing workloads to grow customer traction by 60%. Mentored junior engineers through weekly code reviews to maintain code quality and promote learning.

Software Engineer at Stripe

January 1, 2019 - September 5, 2025

Led a product team of over 10 members to deploy high volume fintech RESTful APIs, enhancing reliability and integration. Refactored UI for SEO best practices leading to 50% increase in customer satisfaction. Reengineered financial system into scalable, API-driven microservices reducing transaction latency by 30%. Established CI/CD pipelines with cloud containerization to reduce deployment time by 30%.

Full Stack Developer at ThoughtWorks

January 1, 2016 - September 5, 2025

Delivered CMS and e-commerce solutions using Amazon IaaS, Django, and PHP MVC frameworks generating $100K quarterly revenue. Developed web and mobile applications using MERN and MEAN stacks with unit and benchmark testing ensuring 70-90% test coverage. Created event-driven microservice architectures integrated with online DBs and message queues combined with serverless functions to cut deployment costs by 50%.