Senior Backend Full Stack

Rosstone Professional Solutions • JavaScript • SQL • C# • ETL/ELT • 4 days ago
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Salary
≈ $35k – $72k per year (Estimated)
Location
In office (Cape Town)
Seniority
Senior · 10+ years exp

Confirmed on the employer's own hiring board on Oct 7, 2026. First seen by Alion on May 27, 2026. Rosstone Professional Solutions scores D on the Alion truth index.

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Rosstone Professional Solutions

Rosstone Professional Solutions, the trading name of Rosstone Consulting, is a South African workforce solutions company that supplies specialised professionals on flexible terms to ICT, engineering and financial services clients. Its services cover talent resourcing, workforce and vendor management and the facilitation of independent contractors and freelancers, with placements concentrated in Johannesburg, Sandton, Cape Town, Centurion and Pretoria. It recruits for client assignments such as software and DevOps engineers, data scientists, SAP consultants, project and programme managers, process and mechanical engineers and IT support technicians.
rosstone.co.za • Johannesburg • Durban • Pretoria • Cape Town • Gqeberha

Senior Backend Full Stack - Software Engineer

Location: Cape Town

Department: Engineering (Technology & Innovation)

Employment Type: Full-Time

About theRole:

We are seeking a highly experienced Senior Backend Engineer with 10+ years of professional software development experience to lead the design, development, and evolution of our core backend systems.

Architect and maintain scalable .NET Core and .NET Framework services, design high-performance SQL Server solutions, and contribute to ETL pipelines and reporting processes. You will play a key role in defining backend standards, ensuring system reliability, and guiding the technical direction of our platform.

Collaborate closely with frontend engineers building Vue.js applications and will be encouraged to expand your influence across the application stack over time. The role offers a clear pathway to broader full-stack ownership, contributing to end-to-end solution design and frontend-backend alignment as part of your continued growth.

Minimum requirements:

  • 10+ years of professional software development experience
  • Deep expertise in.NET Core / C# and building scalable, production-grade RESTful Web APIs
  • Strong experience designing and maintaining distributed and enterprise-grade systems
  • Advanced knowledge of Microsoft SQL Server, including schema design, indexing strategy, performance tuning, and query optimisation
  • Experience implementing and optimising CI/CD pipelines (Azure DevOps or similar)
  • Strong understanding of clean architecture, SOLID principles, and design patterns
  • Demonstrated experience mentoring engineers and conducting technical reviews

Nice to Have:

  • Strong exposure to Vue.js or other modern front-end frameworks
  • Experience designing ETL workflows and data integration pipelines
  • Exposure to cloud-native architecture or modernisation initiatives
  • Experience with performance profiling and application monitoring
  • Experience working in financial or investment domain
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