Senior .Net Core C# Developer

Location: Sandton (onsite/hybrid to be confirmed)
Employment Type: Permanent
Level: Mid Senior Developer

A leading investment and financial services organisation is seeking a highly skilled Shared Developer & Systems Support Specialist to work across two core business divisions. This role is ideal for someone who enjoys a balance of hands-on development, complex data integrations, and production support within a fast-paced, high-precision environment.

You will act as a central technical resource across two investment-focused teams, supporting and enhancing business-critical systems, integrations, data processes, and reporting tools. The environment includes modern .NET Core development, Angular front-end work, Python automation, and daily operational support.

• →Develop and maintain backend services using .NET Core (v8) and C#
• →Build and enhance front-end applications in Angular 2+ (v17 ideal)
• →Develop dashboards and reports using Stimulsoft, Excel, and other BI tools
• →Design and maintain APIs, ETL pipelines, data integrations, and automated file imports
• →Troubleshoot batch processes, data ingestion, and production issues
• →Support month-end and quarter-end reporting cycles
• →Maintain technical and user documentation
• →Collaborate with stakeholders to translate business requirements into technical solutions
• →Participate in integration projects with internal platforms and external service providers

• Strong experience with .NET Core (v7v8) and C#
• Angular (v2+; ideally v13v17)
• Strong SQL experience (queries, modelling, optimisation)
• Advanced Python scripting for automation
• Experience with Azure DevOps (pipelines, CI/CD, deployments)
• Experience with reporting tools: Stimulsoft and Excel (PowerBI a bonus)
• Experience with data integrations, file-based processes, and API workflows

• DevExtreme UI components
• PowerBI
• Knowledge of financial instruments (especially fixed income)
• Experience with regulatory reporting (SARB, ASISA)

• Strong problem-solving skills and attention to detail
• Calm under pressure, especially during reporting cycles
• Excellent communication skills with both technical and non-technical users
• Ability to balance priorities across two business areas
• Proactive, accountable, and able to work independently
• Collaborative, team-oriented mindset

• Work across multiple business areas and technologies
• High-impact role supporting mission-critical systems in a fast-paced financial environment
• Exposure to modern tech stack and complex data flows
• Opportunity to grow into senior development or data engineering pathways

If you are a technically strong developer who thrives in both development and operational environments, please send your CV to:rrondi@dearx.co.za