Intermediate Full Stack Developer (React / Angular Or Node.Js Or.Net)

Datafin It Recruitment; Cape Town; On-site; ZAR 600 000 - 900 000; Full time

Job summary

A well-established German IT services provider in Cape Town is seeking a skilled Fullstack Developer. In this role, you will have full ownership of features, from database design to front-end UX, and be responsible for the ongoing health and evolution of their systems. Ideal candidates should be proficient in major front-end frameworks, back-end platforms, and have experience with SQL databases and testing frameworks.

Qualifications

• 46 years of experience building full-stack applications or several medium-sized projects.
• Skilled in RESTful API design and JSON; familiarity with GraphQL is a plus.
• Comfortable with migrations / ORMs (EF Core, TypeORM, Sequelize).

Responsibilities

• Design, implement, document, and maintain applications across front-end, backend, and data layers.
• Monitor, troubleshoot, and fix bugs in any part of the stack.
• Continuously improve code quality, performance, and resilience.

Skills

Proficient with one major front-end framework (React, Angular, or Vue)

Experience with SQL databases (MySQL, PostgreSQL, SQL Server)

Hands-on with unit testing frameworks

Basic DevOps knowledge (Docker, CI/CD)

Proficient in Git workflows

Job description

ENVIRONMENT

Are you a skilled Fullstack Developer looking to make your mark in a dynamic and thriving industry? Join a team at a well-established German IT services provider, with over 25 years of excellence in delivering top-notch solutions. They are seeking a dedicated professional to join their Cape Town CBD office. From day one, you’ll own features end-to-end—from database design through backend APIs to front-end UX—and be responsible for the ongoing health, stability, and evolution of their core systems.

DUTIES

Full Ownership

• Design, implement, document, and maintain applications across front-end, backend, and data layers.
• Monitor, troubleshoot, and fix bugs in any part of the stack.
• Continuously improve code quality, performance, and resilience.

Feature Development

• Build new features using modern front-end frameworks (e.g. React, Angular, or Vue) and CSS tooling.
• Develop backend services and APIs (e.g. ASP .NET Core, Node.js / Express, or equivalent).
• Apply SOLID principles and modular architecture to ensure components are reusable and testable.

Data & Business Logic

• Design and maintain relational (SQL) or NoSQL schemas to support application needs.
• Implement business logic layers with validation, error handling, and asynchronous operations.
• Optimize queries and data access patterns for scalability.

Web UI & UX

• Create responsive, accessible web interfaces using a component-based approach.
• Leverage UI libraries or CSS frameworks (e.g. Bootstrap, Tailwind).
• Ensure cross-browser compatibility and performance best practices.

Automated Testing

• Write unit tests for front-end components and backend services (e.g. Jest, xUnit / NUnit, Mocha).
• Add integration or end-to-end tests (e.g. Cypress, Playwright) for critical user flows.
• Aim for high test coverage on core logic.

Configuration & Deployment

• Manage environment-specific configuration to switch between development, staging, and production without code changes.
• Apply database migrations and seed data on deployment.
• Support containerization (Docker) and CI / CD pipelines (e.g. GitHub Actions, Azure DevOps).

Documentation & Collaboration

• Produce clear README and inline documentation for setup, running, and testing.
• Document design choices, assumptions, and considerations for future-proofing.
• Participate actively in code reviews and team planning sessions.

REQUIREMENTS

• Professional Experience: 46 years building full-stack applications or several medium-sized projects.
• Front-End: Proficient with one major framework (React, Angular, or Vue), plus HTML5, CSS3, and responsive design.
• Back-End: Experienced with modern server-side platforms (ASP .NET Core, Node.js / Express, or similar).
• Databases: Skilled in SQL databases (MySQL, PostgreSQL, SQL Server) and comfortable with migrations / ORMs (EF Core, TypeORM, Sequelize).
• APIs: RESTful API design and JSON; familiarity with GraphQL is a plus.
• Automated Testing: Hands-on with unit testing frameworks and basic integration / E2E testing.
• DevOps Basics: Docker containerization, basic CI / CD pipelines, and environment configuration.
• Version Control: Proficient in Git workflows including feature branching, pull requests, and merges.

ATTRIBUTES

• Sense of Ownership: Take full responsibility for the features and systems delivered.
• Curiosity & Growth Mindset: Proactively learn new tools, libraries, and best practices.
• Problem-Solving: Analyse requirements, anticipate edge cases, and engineer robust solutions.
• Clear Communication: Write concise documentation, ask thoughtful questions, and share progress clearly.