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Adebayo AdeyemiAA

Adebayo Adeyemi

AI-Powered Web Full stack Engineer

€289/day
London, GB
8-15 years

Average response time: 1 hour

About Adebayo

I build AI-powered, cloud-native web platforms with a strong focus on performance, scalability, and real-world impact. Over nearly 7 years, I’ve designed and delivered production systems used by thousands of users, optimizing reliability, speed, and developer experience across multiple stacks.

I’ve led backend modernization efforts using Go (Golang) to refactor legacy services, reducing API response times by 28–35% and cutting infrastructure costs through more efficient concurrency models.
Using Java + Spring Boot, I’ve designed scalable microservices handling high-throughput workloads, improving system stability and reducing deployment failures through better service isolation and CI/CD automation.
With Node.js and .NET, I’ve built secure, production-grade APIs and real-time systems that improved system uptime, reduced latency, and supported horizontal scaling.

On the frontend, I’ve delivered React-based platforms that improved user engagement and load performance through optimized rendering, better state management, and performance-first architecture.

In AI-driven systems, I’ve integrated intelligent automation and data-driven features that improved user workflows, reduced manual operations, and enabled smarter product behavior.

Impact-driven engineering experience:

Reduced backend latency by 20–30% using Go-based microservices
Improved platform scalability through microservices and event-driven architecture
Increased system reliability and uptime through **cloud-native infrastructure and CI/CD
Cut deployment errors and rollbacks via **automated pipelines and containerization
Optimized frontend performance, improving load times and UX metrics
Built scalable CMS systems supporting multi-tenant content delivery
Delivered AI-integrated features improving automation and decision workflows

I’m interested in long-term roles where I can own systems end-to-end, drive architecture decisions, and build platforms that scale technically and commercially.
  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Freelancer.com
    Freelancer | Full stack Engineer
    March 2025 - Today (1 year and 3 months)
    London, UK
    •Set up web app infrastructure for the company using Next.js, enabling multiple
    complex and rich features to be built alongside static pages in the future.
    •Set up custom routing in the web app back end to allow all services to be accessed via the same base domain.
    •Integrated the company's existing Typeform API for user input and Mailchimp API
    for user communication.
    •Migrated an app to the new Next.js web app, significantly simplifying the application structure, greatly reducing the amount of code, and improving both performance and reliability.
    •Implemented PostHog tracking throughout the app, and implemented experiments (A/B tests) with bootstrapping and server-side rendering to completely eliminate UI flickering.
    •Technologies: Python, TypeScript, JavaScript, Next.js, React, Node.js, Express.js, Nest.js, Ruby on Rails, Shadcn, Tailwind CSS, Typeform
    Python Typescript JavaScript Next.js React.js
  • Harmonic
    Senior Full Stack Developer
    May 2023 - August 2025 (2 years and 3 months)
    California, USA
    •Developed web-based software and websites including many websites with custom CMS capability and major projects with custom web application capability.
    •Created a custom web application for an external client using PHP and MySQL.
    •Developed a template for a prototype content management system for learning
    management system (LMS).
    •Built several custom standalone websites with content management system capability for professional using WordPress, Moodle, and CMS Made Simple (PHP, HTML, and CSS).
    •Technologies: PHP, Go, HTML, CSS, Learning Management Systems (LMS), MySQL, SQL, Full-stack, Back-end, Front-end, Full-stack Development, Frontend Development, Back-end Development, Web App Development, User Experience (UX)
    PHP GO .NET MySQL User Experience Design
  • RickSof
    Full stack Developer | AI-Web solution Engineer
    March 2020 - April 2023 (3 years and 1 month)
    Norwich, UK
    • Charged with all software development and project management. Built, deployed, and maintained several complete web applications for multiple clients.
    • Seamlessly embedded within existing development teams to greatly accelerate output, building features, fixing bugs, and improving workflows.
    • Handled one-off tasks like data migrations, isolated features, refactoring, and more.
    •Technologies: TypeScript, JavaScript, Python, HTML, CSS, PostgreSQL, React, Node.js, Express.js, OAuth 2, JWT, AWS, Next.js, FastAPI, Vite, REST API, Firebase, Supabase, RAG
    PostgreSQL FastAPI Vite Supabase RAG

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Education

  • Bachelor's Degree
    Newcastle University
    2019
    Bachelor's Degree

Skill set

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