Full Stack Developer, Johannesburg

MSA Outsourcing Solutions - UK is seeking a proficient Full-Stack Developer to join one of our UK based clients. In this role, you will be responsible for designing, developing, and maintaining both client-side and server-side applications to ensure seamless functionality, scalability, and performance.

You will collaborate closely with cross-functional teams including designers, product managers, and other developers to deliver high-quality software solutions that meet business requirements and provide exceptional user experiences.

Key Responsibilities:

• Build and maintain features across our React frontend and Supabase backend
• Develop front-end components using modern JavaScript frameworks and libraries to build responsive and user-friendly interfaces.
• Design and implement server-side logic, APIs, and databases to support application functionalities.
• Ensure the security, scalability, and performance of full-stack applications through best coding practices and testing.
• Maintain and optimize existing applications, troubleshoot and resolve technical issues promptly.
• Collaborate with team members to plan, design, and execute software development lifecycle activities.
• Participate in code reviews to uphold code quality and share knowledge.
• Stay updated with industry trends and emerging technologies to continuously improve development processes.

Requirements

• Proven experience as a Full-Stack Developer or in a similar role.
• Strong proficiency in front-end technologies such as JavaScript, HTML5, CSS3, and frameworks like React, Angular, or Vue.js.
• 2–4 years of full-stack development experience
• Strong React with TypeScript — comfortable with hooks, modern patterns, and component composition
• Hands-on experience with Supabase, or with Postgres plus an equivalent BaaS like
• Firebase or Hasura that you'd transfer quickly
• Comfortable with REST APIs and standard authentication patterns
• Strong written and spoken English — you'll be in standups and async discussions daily
• Self-directed: can pick up a ticket and ship it without hand-holding
• Strong problem-solving skills, attention to detail, and the ability to work collaboratively in a team environment.
• Excellent communication skills and ability to translate business requirements into technical solutions.