Senior Front end Developer Job Johannesburg area,South Africa,Software Development

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 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 JavaScript (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)
- 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 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

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