Refactoring code Back end developer

4 hours ago

Chennai, Tamil Nadu, India Kassavirtanen Oy Full time ₹ 5,00,000 - ₹ 12,00,000 per year

We are looking for a BAck-End Developer who specializes in refactoring, optimizing, and modernizing existing codebases. This role focuses on improving performance, maintainability, and scalability of front-end applications—not just building new features. The ideal candidate has strong technical depth, understands component design patterns, and is passionate about clean, well-structured code.

Key Responsibilities

  • Audit and refactor existing front-end code to improve maintainability, readability, and performance
  • Break large, legacy components into clean, modular, reusable architecture
  • Modernize applications (e.g., migrate from older frameworks, upgrade dependencies)
  • Improve state management, API integration patterns, and UX stability
  • Reduce bundle sizes, improve load times, and optimize rendering performance
  • Implement automated tests (unit, integration, end-to-end)
  • Identify tech debt and propose phased remediation plans
  • Write clear documentation and enforce coding standards
  • Collaborate with UX, Product, and Back-End teams to ensure seamless functionality
  • Participate in code reviews and mentor others in front-end best practices

Required Skills & Experience

  • 1+ years of professional front-end development
  • Strong proficiency with C#.NET and SQL
  • Experience refactoring and maintaining large codebases
  • Solid understanding of:
  • Component architecture
  • Responsive & accessible UI

  • Comfortable with Git workflows, CI/CD, and code reviews

  • Experience migrating from old frameworks

  • Reduced code complexity and technical debt

  • Faster front-end performance and load times
  • Higher unit test coverage and fewer production bugs
  • Cleaner architecture that accelerates future feature delivery
  • Stable, maintainable, well-documented components

Refactoring prevents the accumulation of technical debt, speeds up future development, and improves product quality. This developer enables the team to move faster with fewer bugs, better performance, and long-term scalability.

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