Senior Front end Developer

Recruiter:

WMS Secure

Job Ref:

2133374673

Date posted:

Tuesday, May 5, 2026

Location:

Johannesburg, South Africa

SUMMARY:

POSITION INFO:

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 1. Front-End Development

• Build 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 Java

Script (ES6+)

• Ensure cross-browser compatibility and consistent user experience

• UI/UX Implementation

• Translate UI/UX designs into functional, interactive interfaces

• Collaborate with designers to improve usability and accessibility

• Implement design systems and component libraries

• SEO & Performance Optimization

• Apply 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 Practices

• Enforce 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 Delivery

• Work 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 & Innovation

• Stay 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)

• Java

Script (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 Dev

Ops 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

• Type

Script

• Web animations (GSAP, Framer Motion)

• Progressive Web Apps (PWA)

• Basic backend knowledge (Node.js, APIs)

• SEO Principles

• HTML, CSS

• Testing & Debugging