Senior Frontend Engineer (React, TypeScript, Class-Based JS)

Description

Key Responsibilities

• Architect, develop, and maintain complex, high-quality user-facing features using React, TypeScript, and modern JavaScript (ES6+).
• Demonstrate strong expertise in

  Object-Oriented Programming (OOP) principles and patterns in JavaScript/TypeScript

  , actively using

  classes and inheritance

  to structure complex application logic (e.g., state machines, complex data models, or core business logic like in a video editor).
• Ensure the technical feasibility and optimal implementation of UI/UX designs, working closely with designers and product managers.
• Write clean, well-tested, and reusable code, adhering to best practices and coding standards (unit, integration, and end-to-end testing).
• Optimize application performance, scalability, and maintainability across various devices and browsers.
• Contribute to frontend architecture decisions, technology evaluations, and setting engineering best practices.

Required Qualifications and Experience

• 5+ years

  of professional experience in frontend web development.

• Expert proficiency in JavaScript (ES6+)

  and the JavaScript object model.

• Experience with React.js

  , including a strong understanding of core principles, component lifecycle, and state management.

• Expertise in TypeScript

  and its application in large-scale React applications to ensure code quality and maintainability.

• Proven experience working with and maintaining existing class-based JavaScript and React components

  (a specific requirement for this role).
• Experience with consuming and integrating with RESTful APIs.
• Strong understanding of web performance optimization techniques and cross-browser compatibility issues.
• Excellent problem-solving, analytical, and communication skills.

Bonus Points

• Experience with server-side rendering frameworks like Next.js or Remix.
• Familiarity with modern testing frameworks (Jest, React Testing Library, Cypress).
• Knowledge of cloud platforms (AWS, Azure, or GCP) and CI/CD pipelines.
• Experience with UI accessibility standards (WCAG).
• A Bachelors degree in Computer Science, Engineering, or a related field.