Senior Frontend Engineer

l Time Perks & benefits Communication, Incentive Bonus, Leaves Company: Mustakbil.com Overview: Mustakbil.com, a leading job site in Pakistan since 2004, is seeking an experienced Senior Frontend Engineer to join the Islamabad-based product team. You will design and build scalable, performant web interfaces that serve millions of users who search and apply for jobs daily. Working closely with product managers, backend engineers, and UX designers, you will own key areas of the web application, improve user experience, and mentor junior engineers. Responsibilities Design, implement, and optimize reusable frontend components and page-level features using modern JavaScript frameworks.Collaborate with backend teams to define APIs, integrate data flows, and ensure end-to-end performance and reliability.Translate UX and visual designs into accessible, responsive interfaces across desktop and mobile.Drive frontend architecture and coding standards, including component design, state management, build tooling, and testing strategies.Profile and improve application performance, render times, and bundle sizes for a high-traffic production site.Establish automated testing and CI/CD practices, and participate in code reviews to maintain quality and consistency.Mentor and coach mid and junior frontend engineers and help grow the frontend practice within the engineering organization. Mustakbil.com values usability, stability, and fast, reliable user experiences. You will be part of a cross-functional engineering group focused on delivering high-availability services to jobseekers and employers across Pakistan and contributing to product decisions and technical roadmaps. Education required: Bachelor's degree in Computer Science, Software Engineering, or equivalent experience; 5+ years of frontend development experience with demonstrated ownership of production web applications. Proven expertise with modern frontend frameworks such as React, Vue, or similar; strong preference for React with hooks-based patterns.Deep knowledge of JavaScript (ES6+), TypeScript, and module systems; ability to write well-typed, maintainable code.Experience with state management solutions (Redux, MobX, Zustand, or equivalent) and side-effect handling.Solid CSS skills including responsive design, Flexbox/Grid, CSS-in-JS, or utility frameworks; experience with cross-browser issues and accessibility (WCAG) practices.Familiarity with frontend build tooling (Webpack, Vite, Rollup), performance optimization, tree-shaking, and code-splitting.Testing skills: unit, integration, and end-to-end testing using tools such as Jest, React Testing Library, Cypress, or similar.Experience working with RESTful APIs and/or GraphQL; ability to collaborate on API design and client-side caching strategies.Competence with CI/CD pipelines, linting, formatting, and automated deployments; knowledge of Linux-based environments and containerized workflows is a plus.Strong problem-solving, communication, and mentoring abilities; experience leading technical initiatives and driving best practices. Skills: Proven expertise with modern frontend frameworks such as React, Vue, or similar; strong preference for React with hooks-based patterns., Deep knowledge of JavaScript (ES6+), TypeScript, and module systems; ability to write well-typed, maintainable code., Experience with state management solutions (Redux, MobX, Zustand, or equivalent) and side-effect handling., Solid CSS skills including responsive design, Flexbox/Grid, CSS-in-JS, or utility frameworks; experience with cross-browser issues and accessibility (WCAG) practices., Familiarity with frontend build tooling (Webpack, Vite, Rollup), performance optimization, tree-shaking, and code-splitting., Testing skills: unit, integration, and end-to-end testing using tools such as Jest, React Testing Library, Cypress, or similar., Experience working with RESTful APIs and/or GraphQL; ability to collaborate on API design and client-side caching strategies., Competence with CI/CD pipelines, linting, formatting, and automated deployments; knowledge of Linux-based environments and containerized workflows is a plus., Strong problem-solving, communication, and mentoring abilities; experience leading technical initiatives and driving best practices.