Senior C# Full Stack Developer Sandton

About the Company

With over 30 years of heritage in South Africa’s financial-services landscape, this company has evolved from a specialist advisory practice into a full-service wealth-management firm. We help clients achieve real financial freedom-–not just by growing assets, but by empowering choice, independence and the ability to design “what comes next”.

Our offering spans bespoke investment advice, in-house asset-management funds, fiduciary and estate-planning (local and international), and treasury/foreign-exchange services. We build our work on the foundations of transparency, integrity and clients-first outcomes-–no advisor commissions, clear statements of performance.

As an employer, we take pride in our strong culture and excellent client-retention. This is a place where talented professionals are empowered to learn, grow and make an impact in a forward-thinking, collaborative environment. 

Job Overview

Looking for your next C# Full Stack Developer role in Sandton?  This opportunity is ideal for developers with strong back-end experience in .NET Core and front-end skills in Angular, seeking to grow within South Africa’s financial services sector. Join a business that values innovation, collaboration, and long-term career growth.

Our client is seeking an experienced C# Developer with Angular and SQLto join their dynamic development team in enhancing and maintaining a large-scale, web-based platform supporting their LISP (Linked Investment Service Provider) and Collective Investment Scheme management systems.

This role involves developing new modules, enhancing existing features, and ensuring seamless integration across various internal and external systems within the financial services environment. As a .NET Web API Developer in South Africa you’ll be responsible for building scalable solutions using Angular, .NET Web API, and SQL Server, while adhering to best practices in coding, testing, and deployment.

Working closely with the Solutions Architect, Software Architect, Business Analysts, and other developers, you’ll play a key role in delivering robust, high-quality software aligned with business requirements. Collaboration across teams and active engagement with end-users and management will be essential to ensuring effective system performance and continuous improvement.

Duties and Responsibilities

• Collaborate with business analysts, architects, and users to translate functional requirements into robust, scalable technical solutions.
• Design, develop, and maintain secure, high-performance modules within the existing Angular and .NET Web API framework.
• Build and enhance API integrations between internal systems and external financial platforms to ensure accurate and efficient data exchange.
• Conduct thorough testing and debugging to identify, analyse, and resolve performance or functionality issues across the full application stack.
• Document technical designs, workflows, and release notes to support system understanding, maintenance, and scalability.
• Participate in code reviews, release cycles, and version control processes within Azure DevOps to maintain development standards.
• Provide technical support to users by diagnosing issues, analysing root causes, and implementing long-term fixes.
• Contribute to ongoing improvement of coding standards, development practices, and system architecture.
• Accurately estimate development timelines and deliver work within agreed quality and performance standards.
• Stay current with emerging tools, frameworks, and technologies relevant to enterprise-grade web application development.

Minimum Requirements

• Proven hands-on experience with recent versions of the following technologies:

• • Angular (frontend development)
  • .NET Web API (backend services and integrations)
  • Microsoft SQL Server (database design and optimisation)
  • Git (source control and version management)
  • Azure DevOps (CI/CD, build, and deployment pipelines)

• Minimum of 5 years’ experience developing and maintaining modules within a LISP or Collective Investment Scheme management environment (essential).
• Strong understanding of financial systems architecture, API integration, and secure data handling within regulated environments.

Nice-to-Have (Exposure or Willingness to Learn)

• Relevant Bachelor’s degree in Computer Science, Information Systems, or a recognised industry certification.

How to Apply?

This position is ideal for an experienced C# Full Stack Developer seeking to work on enterprise financial platforms in Sandton, Johannesburg. If you’re passionate about .NET Core, Angular, SQL Server, and Azure DevOps, and you want to advance your career with a forward-thinking financial services company, apply today through Skillzpage — South Africa’s trusted IT recruitment agency connecting top developers with market-leading employers.

Send your CV to charne@skillzpage.com or reach out directly to discuss how this opportunity aligns with your experience and career goals.

Join a leading technology-driven business shaping the future of investment management solutions — apply today and take your next career step with confidence.

(If you don’t hear from us within 2 weeks, please consider your application unsuccessful.)