Senior JavaScript Engineer

Cape Town - South Africa

Monthly Salary: Not Disclosed

Posted on: 18 hours ago

Vacancies: 1 Vacancy

Job Summary

Senior JavaScript Engineer
Join a product-led team pushing the limits of innovation
Cape Town-based R50000 R70000/month On-site

About Our Client
This fast-growing tech company is building cutting-edge digital products from their Cape Town HQ with a strong focus on performance scalability and user experience. Their cross-functional teams work collaboratively in an agile environment and they invest heavily in engineering excellence and modern tooling. If youre passionate about modern frontend architecture and love shipping clean impactful code this is the place to do it.

The Role: Senior JavaScript Engineer
As a Senior JavaScript Engineer youll be leading the build of complex web applications using the latest in the ecosystem. This role is for someone who thrives in a modern JavaScript stack enjoys mentoring others and wants to have a real say in shaping the frontend architecture and standards. Youll be instrumental in ensuring scalable design patterns frontend performance and best practices across the engineering team.

Key Responsibilities

Minimum 5 years of JavaScript development experience in production environments
Build and scale applications using (App Router and Pages Router)
Develop reusable components and implement scalable design patterns
Optimise performance using SSR ISR SSG streaming and server components
Mentor junior and mid-level developers in React and
Lead technical planning architecture decisions and technology evaluations
Ensure high code quality through code reviews and testing best practices
Collaborate closely with product managers and designers
Contribute to internal tools CI/CD pipelines and deployment workflows
Stay on the pulse of modern JS and React ecosystem developments

About You

5 years in JavaScript with 3 years in React and 2 years in (v13)
Strong command of rendering strategies: SSR SSG ISR and client-side rendering
Proficient in TypeScript async patterns React hooks context and state management
Experience with Tailwind CSS CSS-in-JS and component libraries
Git-savvy with strong collaborative workflows
Passionate about web performance Core Web Vitals and clean architecture
Advantageous: experience with Vercel testing frameworks (Vitest Playwright etc.) SEO monorepos WebSockets headless CMS (e.g. Sanity Contentful)
Proactive detail-oriented and always looking to level up the stack and the team

Senior JavaScript Engineer Join a product-led team pushing the limits of innovation Cape Town-based R50000 R70000/month On-site About Our Client This fast-growing tech company is building cutting-edge digital products from their Cape Town HQ with a strong focus on performance scalability and user...

Senior JavaScript Engineer
Join a product-led team pushing the limits of innovation
Cape Town-based R50000 R70000/month On-site

Key Responsibilities

Minimum 5 years of JavaScript development experience in production environments
Build and scale applications using (App Router and Pages Router)
Develop reusable components and implement scalable design patterns
Optimise performance using SSR ISR SSG streaming and server components
Mentor junior and mid-level developers in React and
Lead technical planning architecture decisions and technology evaluations
Ensure high code quality through code reviews and testing best practices
Collaborate closely with product managers and designers
Contribute to internal tools CI/CD pipelines and deployment workflows
Stay on the pulse of modern JS and React ecosystem developments

About You

5 years in JavaScript with 3 years in React and 2 years in (v13)
Strong command of rendering strategies: SSR SSG ISR and client-side rendering
Proficient in TypeScript async patterns React hooks context and state management
Experience with Tailwind CSS CSS-in-JS and component libraries
Git-savvy with strong collaborative workflows
Passionate about web performance Core Web Vitals and clean architecture
Advantageous: experience with Vercel testing frameworks (Vitest Playwright etc.) SEO monorepos WebSockets headless CMS (e.g. Sanity Contentful)
Proactive detail-oriented and always looking to level up the stack and the team