Senior Full Stack Developer

Network Finance; Randburg; On-site; ZAR 900,000 - 1,500,000; Full time

Job summary

Network Finance is seeking a Senior Full Stack Developer to join their on-site team in Sandton. You will design, build, and maintain enterprise-grade systems that support automation, analytics, and operational platforms.

This role requires architectural depth, strong hands-on programming in .NET and front-end tech, and the ability to mentor other developers while delivering high-quality software. On-site, five days a week, in Sandton.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or related field.
• 7+ years software development experience.
• Front-end: Razor, HTML5, JavaScript, Bootstrap, CSS, UI libraries (Syncfusion, Telerik), Tailwind.
• Back-end: ASP.NET Core, C#, LINQ, APIs, ORMs, SOLID principles.
• Architecture: Clean Architecture, Microservices, CQRS, Event-driven, Modular/Monolithic patterns.
• Other: Docker, IIS, CI/CD pipelines, Git, SQL.
• Experience in architectural decision-making.
• Ability to mentor team members.

Responsibilities

• Lead and guide developers across projects and technical tasks.
• Contribute to architectural decisions and system design.
• Build scalable, reliable front-end and back-end applications.
• Develop and integrate APIs and system components.
• Optimise performance, ensure security, and handle edge-cases.
• Deploy and maintain applications across multiple environments.
• Promote clean code and engineering best practices.
• Participate in Agile ceremonies and sprint planning.

Skills

Front-end stack

Back-end stack

Architectural patterns

DevOps basics

SQL

Education

Bachelor’s degree in Computer Science, Information Systems, or related field

Tools

IIS

Job description

Our client is an innovation‑driven technology firm seeking a Senior Full Stack Developer to join their on‑site team in Sandton. You will design, build, and maintain enterprise‑grade systems that support automation, analytics, and operational platforms. This role requires strong technical depth, architectural thinking, and the ability to mentor other developers while remaining hands‑on.

Why this role stands out:

• Work with modern engineering patterns and Microsoft technologies
• Play a senior role in architecture, design, and solution delivery
• Opportunity to mentor others and influence engineering direction
• Strong learning culture with professional development support

Key Responsibilities:

• Lead and guide developers across projects and technical tasks
• Contribute to architectural decisions and system design
• Build scalable, reliable front‑end and back‑end applications
• Develop and integrate APIs and system components
• Optimise performance, ensure security, and handle edge‑cases
• Deploy and maintain applications across multiple environments
• Promote clean code and engineering best practices
• Participate in Agile ceremonies and sprint planning

Job Experience and Skills Required:

• Bachelor’s degree in Computer Science, Information Systems, or related field
• 7+ years software development experience
• Strong experience in:
  Front‑End: Razor, HTML5, JavaScript, Bootstrap, CSS, UI libraries (e.g., Syncfusion, Telerik), Tailwind
  Back‑End: ASP.NET Core, C#, LINQ, APIs, ORMs, SOLID principles
  Architecture: Clean Architecture, Microservices, CQRS, Event‑driven, Modular/Monolithic patterns
  Other: Docker, IIS, CI/CD pipelines, Git, SQL
• Experience in architectural decision‑making
• Ability to mentor team members

Personal Attributes:

• Passionate about engineering and problem‑solving
• Highly meticulous with strong attention to performance and maintainability
• Strong communicator and team collaborator
• Solution‑focused and able to tackle complex challenges
• Growth‑oriented with a continuous learning mindset

Additional Requirements:

• Must be able to work on‑site, 5 days per week
• Must live within reasonable commuting distance of Sandton