Mid to Senior Full-stack Developer - SandtonFulltime, in-office position (08:00 17:00, Mon Fri) Job Description:One of our clients, being a leader in the VAS/distribution of pre-paid products and transactional services has an exciting vacancy for a talented and experienced mid to senior-level Fullstack Developer to maintain and support their web application. The successful candidate will be responsible for ensuring the smooth operation and ongoing support or enhancement of our technology stack, which includes .NET Entity Framework, Microsoft SQL, GraphQL, React, TypeScript, Relay and more.Responsibilities:● Maintain and support the existing web application, ensuring high availability and performance.● Collaborate with cross-functional teams to understand business requirements and implement solutions.● Troubleshoot and debug issues, providing timely resolutions to technical problems.● Ensure code quality and adherence to best practices through code reviews and testing as required.Preferred Skills:● Minimum of 4 years of working experience with similar technologies in a production environment.● Experience with hosting and deployments in Microsoft Azure pipelines including SQL Server Azure.● Integration skills with third-party services and systems across multiple integration methodologies including Rest and Soap.● Familiarity with metrics monitoring tools such as Sentry, particularly in a high-volume production environment.● Ability to troubleshoot in production to identify system performance issues, vulnerabilities, and bugs.● The successful candidate should possess detailed experience working with CI/CD pipelines and Gitflow methodologies to ensure seamless integration, delivery, and version control within the development workflow.Qualifications:● Bachelor''s degree in Computer Science, Engineering, or related field.● Proven experience working with .NET Entity Framework, Microsoft SQL, GraphQL, React, TypeScript, and Relay.● Strong problem-solving skills and attention to detail.● Excellent communication and collaboration abilities.● Ability to thrive in a fast-paced, dynamic environment and manage multiple priorities effectively.Remuneration