Frontend Codebase Refactoring and Cleanup

Pro

Ridwan Olanrewaju

Starting at

/hr

About this service

Summary

Is your frontend codebase difficult to maintain, slow, or full of outdated patterns? I’ll refactor, optimize, and modernize your React/JavaScript codebase, ensuring scalability, maintainability, and performance. With 10+ years of experience, I specialize in cleaning up technical debt, improving developer experience, and enhancing performance.

Let’s future-proof your frontend for seamless development and growth! 🚀

Process

Codebase Audit: Analyze the current state, identify inefficiencies, and create a refactoring plan.

Refactoring & Modularization: Improve code structure, remove redundancy, and enforce best practices.

Performance Optimization: Implement lazy loading, memoization, and minimize re-renders.

Testing & Quality Checks: Add/enhance tests to ensure stability.

Final Review & Documentation: Deliver clean documentation and best practice guidelines.

FAQs

Why do I need codebase refactoring?
Refactoring improves performance, maintainability, and scalability, making it easier for your team to work efficiently.
Will this change existing functionality?
No! The goal is to enhance structure without breaking existing features, ensuring a smooth transition.
Can you migrate my JavaScript code to TypeScript?
Absolutely! I can introduce TypeScript with a gradual migration strategy to minimize disruption.
Do you offer long-term support?
Yes! I offer ongoing support to help your team adopt best practices and maintain the improved codebase.

What's included

Improved Code Structure & Maintainability
Refactored codebase following industry best practices, modular architecture, and scalable design patterns.
Performance Optimization
Eliminate unnecessary re-renders through techniques like code splitting, lazy loading, refined state management, and asset optimization.
TypeScript & Strict Mode Implementation
Enhance code reliability with TypeScript adoption or improvements, enforcing strict type safety for fewer runtime errors.
Testing & Code Quality Improvements
Introduce or improve unit tests (Jest, React Testing Library) and integration tests, ensuring code reliability and preventing regressions.
Linting & Formatting Setup
Set up Prettier, ESLint or Biome, EditorConfig and Sort-Imports for consistent code styling and automated checks.
Documentation & Knowledge Transfer
Provide clear documentation on the new code structure, best practices, and guidelines for ongoing maintenance.

Skills and tools

Backend Engineer

Frontend Engineer

Fullstack Engineer