About the Role

Infosysta is seeking a Senior Frontend Developer with strong expertise in **** and React to join an existing product team in Saudi Arabia. This full-time role involves taking ownership of a project currently in mid-development. The ideal candidate will quickly understand complex codebases, collaborate effectively with cross-functional teams, and deliver high-quality features while maintaining performance, scalability, and code quality.

This position requires a hands-on engineer comfortable with making architectural decisions, reviewing code, resolving technical debt, and driving front-end development through to production.

Key Responsibilities

• Take ownership of an existing **** application, quickly understanding its architecture, business requirements, and development roadmap.
• Develop and maintain scalable, high-performance web applications using ****, React, TypeScript, and modern front-end technologies.
• Collaborate with Product Managers, UX/UI Designers, and various engineering teams (front-end, full-stack, back-end, QA) to deliver features on schedule.
• Review, refactor, and improve existing code to ensure maintainability and optimal performance.
• Implement responsive, accessible, and user-friendly interfaces.
• Optimize application performance, Core Web Vitals, SEO, and page load times.
• Design and consume RESTful APIs and/or GraphQL services.
• Participate in architectural discussions and contribute to technical decision-making processes.
• Establish and enforce front-end coding standards, testing practices, and CI/CD processes.
• Mentor junior engineers and perform comprehensive code reviews.

Required Qualifications and Experience

• A minimum of 7 years of professional front-end development experience.
• At least 4 years of experience with ******
• A minimum of 3 years of experience with **** in production environments.
• Strong proficiency in TypeScript, JavaScript (ES6+), HTML5, and CSS3.
• Demonstrated experience taking over and contributing to existing applications, not solely greenfield projects.
• Deep understanding of Server-Side Rendering (SSR), Static Site Generation (SSG), Incremental Static Regeneration (ISR), App Router, and Server Components.
• Experience with modern state management solutions such as Redux Toolkit, Zustand, and React Query / TanStack Query.
• Strong understanding of web performance optimization and debugging techniques.
• Experience integrating with REST APIs and various backend services.
• Familiarity with Git workflows and Agile development practices.

Preferred Skills and Knowledge

• Experience with Vercel deployment and hosting.
• Proficiency with Tailwind CSS, Material UI, or other component libraries.
• Knowledge of **** and API development.
• Experience with automated testing frameworks such as Jest, React Testing Library, Cypress, or Playwright.
• Cloud experience, particularly with Azure.
• Experience in micro-frontend architectures.

Technical Environment

The primary technical stack for this role includes:

• **** (Latest Version)
• React
• TypeScript
• Tailwind CSS
• REST / GraphQL APIs
• GitHub
• CI/CD Pipelines
• Vercel / Cloud Platforms

Initial Focus and Success Metrics

Within the first 90 days, the successful candidate is expected to:

• Fully understand the existing codebase and architectural patterns.
• Take ownership of key feature development and bug fixes.
• Contribute to improvements in code quality and development velocity.
• Actively participate in architectural decisions and the establishment of front-end best practices.
• Help drive the project successfully through upcoming delivery milestones.