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Johnson S
@johnson_websaas
Full Stack Web and AI Application Developer
United Kingdom
English, German, French, Spanish
About me
I built my first line of code at age fourteen fixing broken loops on old terminals and realized software solves real human friction.
Today I engineer robust applications with modern stacks. I am not new to software development having built scalable web apps and AI integrations for years though I am new to this platform.
Whether you need a Next.js MVP or a full MERN stack platform I deliver clean code that scales seamlessly.
Let us build your product today.
Skills
Johnson S
Offline •
Average response time: 1 hour
See my services
Custom Websites
I will build saas mvp, nextjs web app with supabase, figma to nextjs, ai integration
Bug Fixes
I will fix website bugs, rebuild website or web app development with react and nodejs
Work experience
Lead Full Stack Developer
Upwork • Full-time
Jan 2023 - Present • 3 yrs 9 mos
Engineered over forty custom web applications and SaaS MVPs for global clients using Next.js React Node.js and Supabase. Optimized backend query performance by forty percent and integrated complex AI workflows.
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Senior Software Engineer
Fiverr • Full-time
Mar 2022 - Dec 2022 • 9 mos
Delivered high performance MERN stack web applications and custom REST APIs for e-commerce and enterprise businesses. Reduced page load times by fifty percent through advanced component rendering strategies.
AI Web Application Engineer
Freelancer • Freelance
Jun 2021 - Feb 2022 • 8 mos
Developed intelligent web applications combining Django backends with React frontends and integrated machine learning endpoints to automate user workflows and data processing pipelines.
