Frontend Engineer

19 hours ago

Amman, Amman, Jordan Optimiza Full time 25,000 - 50,000 per year

Location: Jordan

The Opportunity

As Frontend Engineer, you will develop rich, high-performance web applications supporting our analytics platforms. You will work closely with UX designers, product managers, and backend engineers to deliver scalable and maintainable interfaces.

Key Responsibilities

Analyse application requirements and translate designs into performant, modular frontend code

Build and maintain interactive user interfaces using with support for client-side and server-side rendering (e.g., )

Implement templating engines (e.g., Handlebars, EJS, Nunjucks) to support server-rendered UI and dynamic content delivery

Integrate with RESTful and GraphQL APIs, ensuring secure and efficient data flow

Optimize frontend rendering and initial page load through modern SSR/CSR techniques, lazy loading, and hydration

Enhance CDN performance by enabling content caching, edge rendering strategies, and route-based invalidation

Implement and maintain JavaScript instrumentation for Real User Monitoring (RUM), tracking metrics such as First Contentful Paint, Time to Interactive, and long tasks

Utilize Server-Side Includes (SSI) or modern equivalents (e.g., Edge-side Includes, CDN-based fragments, or streaming SSR) to dynamically inject reusable HTML blocks efficiently

Develop frontend logic to assist backend services in measuring server responsiveness, latency, and perceived performance

Troubleshoot frontend issues using browser dev tools, performance profilers, and network analysis

Collaborate with DevOps to optimize CDN configurations and deployment pipelines for continuous delivery

Maintain high coding standards and documentation for UI components and integration patterns

Comply with QHSE (Quality Health Safety and Environment), Business Continuity, Information Security, Privacy, Risk, Compliance Management and Governance of Organizations policies, procedures, plans, and related risk assessments.

Requirements

Requirements:

Bachelor's degree in Computer Science, IT, or related field

years of experience in frontend development with JavaScript at the core

Strong command of JavaScript (ES6+), HTML5, CSS3, and component-based architecture

Proven experience with including SSR/CSR strategies using

Hands-on experience with templating engines for server-rendered views

Deep knowledge of CDN behaviors (e.g., Cloudflare, Akamai, Fastly, or AWS CloudFront) and edge caching strategies

Experience implementing real user monitoring (RUM) scripts and collecting custom metrics via JS inserts

Familiarity with modern server-side includes (e.g., ESI, micro-frontends, React streaming)

Ability to interpret backend responsiveness through frontend timing APIs and server interaction analysis

Proficient in Webpack, Vite, or similar build tools; Git and CI/CD pipelines

Strong debugging skills using browser tools, Lighthouse, WebPageTest, and DevTools

Familiarity with automated testing (Jest, Mocha), accessibility standards, and security best practices

Fluent English and Arabic is required

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