Open to opportunities

George kanellos

@georgekanellos

Message

Senior full-stack engineer who builds scalable React/Next.js and Node.js systems.

Zimbabwe

Message

What I'm looking for

I’m looking for a full-stack role where I can lead migrations, mentor engineers, and ship secure, high-performance React/Next.js + Node.js products on AWS.

I’m a Senior Full-Stack Engineer with 9+ years of experience building scalable applications and leading migrations across high-traffic platforms. I’m hands-on with React, Next.js, and Node.js, and I focus on performance, security, and maintainability from day one.

I’ve delivered measurable improvements, including reducing an Angular app bundle size by 30% and improving performance by 20%. I also rebuilt a legacy PHP application in Next.js + Node.js, improving performance and increasing request throughput by 100%.

I’ve led platform evolution by migrating a paid SaaS CMS to Strapi to cut costs and increase flexibility. In security, I implemented strong CSP across a large-scale application to significantly reduce the XSS attack surface.

Across my roles, I’ve collaborated closely with engineering leaders, mentored junior engineers, and supported team growth. I enjoy working end-to-end—frontend through backend—using AWS, Docker, GraphQL, and CI/CD to ship reliable software.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Andko Digital

Mar 2025 - Present (1 year 4 months)

Mentored junior engineers and supported team growth. Developed and maintained React + Next.js applications and contributed to architecture and performance improvements across the platform.

Mentoring React Next.js Software Architecture Performance Optimization

Senior Software Engineer

Boldplay

Jan 2024 - Mar 2025 (1 year 2 months)

Led migration and extension strategy with the CTO and engineering managers. Built and optimized large-scale applications using AWS, Docker, Vue.js, Angular, and Node.js.

AWS Docker Vue.Js Angular Platform Migration