Sandton: Senior Full Stack .NET Developer – (PERMANENT) posted by PM Connection

Our client is seeking a Senior Full Stack .NET Developer to join their dynamic team. The ideal candidate will possess strong expertise in both front-end and back-end development, with a focus on JavaScript (preferably Vue.js or React/React Native) for front-end and C# with .NET Framework/.NET Core for back- end. This role offers the opportunity to work across the stack in a fast-paced PAYMENTS environment, contributing to the development of scalable web applications and robust backend services.

Key Responsibilities:

Front-End Development (JavaScript Vue.js/ React / React Native)

• Develop and maintain responsive, user- centric web interfaces using JavaScript, preferably with Vue.js, React, or React Native.
• Implement and consume RESTful APIs within front-end applications.
• Collaborate with UX/UI designers to ensure consistent design standards and intuitive user experiences.
• Optimize applications for performance, responsiveness, and cross-browser compatibility.
• Troubleshoot, debug, and enhance front- end features across various platforms.
• Ensure accessibility and usability standards are met across all devices. Apply best practices in component-based architecture, state management, and modular design.
• Maintain clean, scalable, and maintainable front-end codebases using modern JavaScript tooling and frameworks.
• Work closely with backend developers to integrate APIs and ensure seamless data flow.
• Participate in code reviews and contribute to front-end architectural decisions.

Back-End Development (C# / .NET Framework / .NET Core)

• Design, develop, and maintain RESTful APIs using C# and ASP.NET Web API (.NET Framework and .NET Core).
• Implement and manage CI/CD pipelines using Azure DevOps or Jenkins.
• Utilize Azure API Management (APIM) and API Gateway for secure and scalable API exposure.
• Work with SQL Server and optionally MongoDB for data modeling, querying, and optimization.
• Write unit and integration tests to ensure backend reliability and performance.
• Apply SOLID principles, design patterns and clean architecture in backend development.
• Collaborate with DevOps and infrastructure teams to deploy and monitor backend services in cloud-based environments.
• Ensure backend systems are secure, scalable, and optimized for performance.
• Experience with containerization tools like Docker and orchestration platforms like Kubernetes is advantageous.
• Familiarity with Java is a plus, especially in hybrid or polyglot environments.

Skills and Competencies:

Required Technical Skills

• Strong proficiency in C# and ASP.NET Web API.
• Experience with Azure DevOps or Jenkins for CI/CD pipeline implementation. Hands-on experience with Azure APIM and API Gateway.
• Development experience working on cloud-based solutions and microservices architecture.
• Proficiency in JavaScript with experience in Vue.js or React/React Native. Solid understanding of Git version control.
• Ability to turn complex technical challenges into well-architected solutions.
• Excellent problem-solving skills and a keen attention to detail.
• Strong communication and collaboration skills.

Preferred Skills

• Knowledge of Java is a plus.
• Experience as a Lead Developer or Team Leader is highly desirable.
• Experience with containerization technologies like Docker and Kubernetes.
• Experience with cloud platforms like MS Azure, Amazon AWS, and GCP.

Qualifications and Experience:

• Bachelors degree in Computer Science, Software Engineering, or a related technical field (or equivalent practical experience).
• 5+ years of experience in full-stack development using .NET technologies.
• Proven experience in both backend API development and front-end development using modern JavaScript frameworks.
• Experience working in hybrid environments and collaborating across distributed teams.

Kindly regard your application as unsuccessful if you have not heard from the agency within 2 weeks.