Role Purpose The Senior Front-End Developer is responsible for designing and developing high-performance, user-centric web applications. This role focuses on creating responsive, accessible, and SEO-optimized interfaces using modern front-end technologies, while collaborating closely with UX/UI designers, backend developers, and digital marketing teams. Key Responsibilities Front-End DevelopmentBuild and maintain scalable, high-quality web applications Develop responsive, mobile-first interfaces using modern CSS frameworks and methodologies Write clean, efficient, and reusable code using JavaScript (ES6+) Ensure cross-browser compatibility and consistent user experience UI/UX ImplementationTranslate UI/UX designs into functional, interactive interfaces Collaborate with designers to improve usability and accessibility Implement design systems and component libraries SEO & Performance OptimizationApply technical SEO best practices (semantic HTML, structured data, meta tags) Optimize page speed, Core Web Vitals, and overall performance Ensure proper indexing, crawlability, and accessibility standards Work with marketing teams to align front-end delivery with SEO strategy Code Quality & Best PracticesEnforce coding standards, version control, and documentation Conduct code reviews and mentor junior developers Implement testing strategies (unit, integration, UI testing) Ensure security and data protection best practices Collaboration & Agile DeliveryWork within Agile/Scrum teams to deliver features iteratively Collaborate with backend developers to integrate APIs and services Participate in sprint planning, stand-ups, and retrospectives Continuous Improvement & InnovationStay updated with emerging front-end technologies and trends Propose and implement improvements to architecture and performance Drive adoption of modern frameworks and tooling Key Performance Indicators (KPIs) Page load speed and Core Web Vitals performance SEO performance (organic traffic, rankings, crawlability) Code quality and defect rates Delivery timelines and sprint velocity User engagement metrics (bounce rate, session duration) Accessibility compliance (WCAG standards) Minimum Requirements Bachelor’s degree in Computer Science, IT, or related field 5–8+ years of front-end development experience Strong proficiency in:HTML5, CSS3 (Flexbox, Grid, preprocessors like SASS/SCSS) JavaScript (ES6+) and modern frameworks (React, Vue, or Angular) Solid understanding of responsive and mobile-first design Proven experience with SEO principles and web performance optimization Experience with version control systems (Git) Preferred Qualifications Experience with frameworks like Next.js, Nuxt.js, or similar SSR technologies Familiarity with technical SEO tools (e.g., Google Search Console, Lighthouse) Experience with headless CMS and API integrations Knowledge of web accessibility standards (WCAG) Exposure to CI/CD pipelines and DevOps practices Key Competencies Strong problem-solving and analytical thinking Attention to detail and design sensitivity Effective communication and collaboration Mentorship and leadership skills Adaptability and continuous learning mindset Nice-to-Have Skills TypeScript Web animations (GSAP, Framer Motion) Progressive Web Apps (PWA) Basic backend knowledge (Node.js, APIs) SEO Principles HTML, CSS Testing & Debugging #J-18808-Ljbffr
Senior Front End Developer
WMS SECURE
johannesburg, johannesburg
Published 1 days ago
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