Senior Technical Systems Analyst | Legacy Platform Modernisation | .NET / Azure

An exciting opportunity exists for an experienced Senior Technical Systems Analyst to join a high-performing technology team working on a major legacy platform modernisation programme. This role is ideal for someone who enjoys understanding complex enterprise applications and uncovering how existing systems really work. You will play a key role in analysing legacy applications to identify business rules, integrations, data dependencies and system behaviour, producing the technical documentation required to support future migration and modernisation initiatives. Working within a Microsoft technology environment, you will collaborate with Architects, Developers, Business stakeholders and Test Teams to build a clear understanding of the current platform and support future solution design. Key Responsibilities Analyse complex legacy enterprise applications and document current system behaviour. Investigate business rules, integrations, data flows and system dependencies. Analyse application code, database structures and interfaces to understand how existing systems function. Produce clear technical and functional documentation to support platform modernisation. Document APIs, system integrations and data dependencies. Work closely with Architects, Developers and Business stakeholders to validate findings. Support solution design, migration planning and Agile delivery activities. Requirements Minimum Requirements Minimum 5 years' experience as a Senior Technical Systems Analyst, Technical Systems Analyst, Application Analyst, Solution Analyst, Technical Business Analyst or similar technical analysis role. Experience analysing complex enterprise or legacy applications. Strong understanding of Microsoft .NET application environments. Ability to investigate existing systems and determine business rules, integrations and application behaviour. Experience with APIs, systems integration and SQL. Experience with SQL Server databases. Experience using Jira, Azure DevOps and Confluence. Experience working within Agile delivery environments. Excellent analytical, documentation and stakeholder engagement skills. Highly Advantageous Banking, Financial Services or FinTech experience. Microsoft Azure exposure. Legacy application modernisation or migration experience. Experience working with stored procedures, interfaces and enterprise integrations. If you enjoy solving complex technical challenges and helping organisations modernise enterprise platforms, we'd love to hear from you. Benefits Long-term renewable contract Based in Sandton Monday to Friday, office-based Flexible start and finish times Rate: R650 – R800 per hour