Leo King
Chief Technology Officer at Magehire
Professional Summary
Leo King is the CTO and co-founder of Magehire. He leads the engineering team and sets the technical direction for every project the agency delivers — from B2B SaaS platforms to AI automation systems.
Leo is a senior fullstack engineer with deep expertise in React, Next.js, Node.js, cloud infrastructure (AWS, Vercel), and large language model (LLM) integration. He has personally architected and led the delivery of platforms handling 10,000+ concurrent users, multi-tenant SaaS architectures with row-level security, and real-time AI agent pipelines using LangChain and GPT-4.
Before Magehire, Leo built and shipped production systems across multiple industries including fintech, healthcare, gaming, and e-commerce. His engineering philosophy centers on simplicity, reliability, and clean API boundaries — building software that's easy to understand, test, and scale.
Leo is a strong proponent of developer experience, automated testing, CI/CD infrastructure, and engineering documentation as core requirements for every serious project.
Areas of Expertise
- Fullstack Software Architecture
- React & Next.js Engineering
- Cloud Infrastructure (AWS, Vercel)
- AI/LLM Integration (GPT-4, LangChain, RAG)
- B2B SaaS Platform Development
- Multi-Tenant Database Design
- CI/CD & DevOps Automation
Key Achievements
Architected platforms handling 10,000+ concurrent users with zero-downtime deployments
Led technical delivery of 50+ fullstack projects across web, mobile, and cloud
Designed and deployed AI automation systems using GPT-4, LangChain, and RAG pipelines
Built multi-tenant SaaS architectures with row-level security and Stripe billing integration
Established Magehire's engineering standards for testing, code review, and CI/CD
Work With Leo
Let's Build Something Together
Reach out to discuss your project with the Magehire team.
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