Full Stack UI Developer

SUMMARY:

We are looking for a skilled Full Stack UI Developer to join our growing development team. The role requires expertise in React.JS and JavaScript, Microsoft technologies (.Net Core 8, C#), and SQL Server, along with a strong grasp of web application security. The successful person will help build ...

POSITION INFO:

We are looking for a skilled Full Stack UI Developer to join our growing development team. The role requires expertise in React.JS and JavaScript, Microsoft technologies (.Net Core 8, C#), and SQL Server, along with a strong grasp of web application security. The successful person will help build new features, maintain existing components, and ensure tight integration between the front-end and back-end layers.

What you’ll do:

Front-end

• Design and develop responsive UI components using React.JS and modern JavaScript
• Implement component-based architecture and manage state using React Query
• Integrate frontend components with RESTful APIs from the .Net Core back-end
• Optimize web applications for performance, responsiveness, and accessibility
• Implement routing using React Router and ensure cross-browser compatibility
• Enforce front-end security, including token storage, request sanitization, and HTTPS protocols

Back-end

• Develop and maintain .Net Core 8 RESTful APIs for front-end and integration partner use
• Implement secure authentication and authorization mechanisms (e.g., JWT, OAuth2)
• Enforce data-level and role-based access controls within API endpoints
• Handle background services and data processing logic using C# and .Net Core libraries

Database (MS SQL Server)

• Design, create, and optimize SQL queries, views, and indexes
• Perform data modeling, schema updates, and database performance tuning
• Implement data migration processes (e.g., Genie3 to Genie4 upgrade paths)

DevOps Quality

• Use version control tools like Git/Azure DevOps to manage code changes
• Participate in code reviews, unit testing, and continuous integration
• Collaborate in Agile ceremonies such as daily standups
• Debug and troubleshoot issues across the full stack (UI/API/DB)

Security Compliance

• Ensure code adheres to internal and external compliance standards
• Implement protection against brute-force attacks, SQL injection, and query string exposure
• Collaborate with security and DevOps teams to audit and reinforce application hardening

Your expertise:

• Proven experience in full stack development with React.JS and .Net Core
• Strong JavaScript/ ES6+, HTML5, CSS3 skills
• Deep knowledge of React, React Hooks, component lifecycle, and state management
• Solid experience with .Net Core 6/8 APIs and C# back-end logic
• Proficiency with SQL Server, stored procedures, and data handling best practices
• Experience building secure, scalable web applications
• Familiarity with Git-based workflows and Azure DevOps pipelines
• Understanding of OWASP security principles and secure coding practices
• Desirable:
  • Experience working with Razor or Blazor in Microsoft web applications
  • Familiarity with SAML SSO integration and identity providers like Auth0
  • Understanding of proxy APIs and secure partner integration patterns
  • Experience with containerized environments (Docker/Kubernetes) is a plus
• Tools Technologies You Will Use
  • React JS
  • .Net Core 8, C#, Visual Studio
  • MS SQL Server Management Studio (SSMS)
  • Azure DevOps, Git, Postman, Swagger
  • Agile Project Management tools (DevOps Boards)

Qualifications required:

• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field

Soft skills:

• Strong problem-solving and debugging ability
• Effective verbal and written communication
• Self-motivated, detail-oriented, and organized
• Ability to work independently as well as in a collaborative team environment

Other information applicable to the opportunity:

• Contract Position
• Location: Remote (In South Africa)
• Level: Senior (7+ years experience)