Senior Front-End Software Developer II (React.js)

Our client, a leading financial institution based in Sandton, is seeking a highly skilled Software Developer II (Front-End Specialist) to join their team on a 6-month contract. This role is suited for an experienced front-end engineer with deep expertise in React.js and modern JavaScript frameworks, who can also contribute at a technical leadership level.

You will be responsible for building scalable, high-performance user interfaces, contributing to architecture decisions, and collaborating across cross-functional Agile teams to deliver enterprise-grade digital solutions.

Key Responsibilities

Software Development

Design, develop, and maintain responsive front-end applications using React.js.
Translate business and user requirements into clean, efficient, reusable code.
Build high-performance, responsive, and accessible user interfaces.
Integrate front-end applications with RESTful APIs and backend services.
Ensure code quality through reviews, testing, and adherence to best practices.
Technical Leadership

Provide technical guidance and mentorship to junior and intermediate developers.
Contribute to front-end architecture and system design decisions.
Promote best practices in performance, scalability, maintainability, and security.
Participate in sprint planning, estimation, and technical solution discussions.
Collaboration & Delivery

Work closely with Product Owners, Designers, Backend Developers, and QA teams.
Actively participate in Agile delivery processes (Scrum / SAFe).
Troubleshoot, debug, and resolve production issues.
Contribute to continuous improvement of development standards, tools, and processes.
Required Skills & Experience

Technical Skills

Strong hands-on experience with React.js.
Advanced proficiency in JavaScript (ES6+), HTML5, and CSS3.
Experience with JavaScript frameworks including:
AngularJS
React.js
Aurelia.js
Vue.js
Experience with state management libraries such as:
Redux
Context API
Strong experience consuming and integrating RESTful APIs.
Familiarity with modern build tools such as:
Webpack
Vite
Strong understanding of Git/version control systems.
Knowledge of responsive design and cross-browser compatibility.
Experience

5+ years of software development experience.
At least 3+ years of hands-on React.js development.
Experience working in Agile teams (Scrum / SAFe).
Experience in enterprise or large-scale systems (advantageous).
Nice to Have

Experience with TypeScript.
Experience with Next.js or similar modern frameworks.
Exposure to Azure or AWS cloud platforms.
Experience with automated testing frameworks such as Jest or Cypress.
Experience in financial services or regulated environments.
If you are an experienced React.js developer with strong front-end architecture skills and a passion for building scalable enterprise applications, we would like to hear from you.