Technical Solutions Architect

Ad Talent Africa; Kempton Park; On-site; ZAR 1,200,000 - 1,800,000; Full time

Job summary

Ad Talent Africa is seeking an experienced Technical Architect to own the architecture and evolution of a large-scale software platform.

You will lead the modernization of legacy technology, establish best practices across development, QA, security, and AI governance, and guide teams through complex architectural decisions in a fast-paced environment.

Qualifications

• Degree in Computer Science, IT or a related field.
• AZ-305: Azure Solutions Architect or equivalent is an advantage.
• At least 10 years in software development with 3+ years in architecture roles.
• Deep experience with .NET (C#) and Microsoft Azure.
• Experience designing integrations and distributed, event-driven systems at high volumes.
• Experience with Microsoft SQL Server at scale, data modelling and performance tuning.
• Experience leading legacy modernization projects without big-bang rewrites.
• Experience defining SDLC processes and development standards.
• Advantage: logistics, courier or supply-chain systems; ClickHouse or similar analytics DB; Salesforce integration; AI tooling.

Responsibilities

• Translate business requirements into solution designs and high-level estimates.
• Design scalable, secure systems with monitoring and cost management in cloud.
• Apply clean architecture and domain-driven design across key domains.
• Lead modernization of legacy systems while keeping operations running.
• Evaluate technologies using .NET, Vue and Azure stack; develop PoCs.
• Lead architecture reviews and maintain up-to-date technical documentation.
• Own integration architecture with a central gateway for client integrations.
• Migrate legacy SOAP integrations to REST APIs; set integration standards (webhooks, SFTP, Salesforce).
• Oversee data architecture across SQL Server and ClickHouse.

Skills

Solution architecture

Technical leadership

Azure cloud

NET/C# development

Vue/TypeScript

REST APIs

Security best practices

Education

Degree in Computer Science or related field

Azure Solutions Architect AZ-305 (advantage)

Tools

Azure DevOps

SQL Server

ClickHouse

Salesforce integration

Job description

Who Are We

A leading organisation operating in a fast-paced, complex environment, with a strong focus on customer experience, people, reputation and business growth.

Who Are We Looking For

We are looking for an experienced Technical Architect to own the architecture and evolution of a large-scale software platform. The ideal candidate will have a strong background in designing high-volume, scalable systems, leading the modernisation of legacy technology and establishing best practices across software development, quality assurance, security and the responsible use of AI.

What Will You Do

Architecture and Technology

• Translate business requirements into solution designs and high-level estimates.

• Design scalable, secure and reliable systems, ensuring optimal performance, monitoring and cloud cost management.

• Apply clean architecture and domain-driven design across key business domains.

• Lead the incremental modernisation and replacement of legacy systems while maintaining existing operations.

• Evaluate and select technologies, leveraging the existing .NET, Vue and Azure stack where appropriate.

• Develop proofs of concept and review critical code where required.

• Lead architecture reviews and maintain up-to-date technical documentation.

Integration and Data

• Own the integration architecture, establishing a central gateway for client integrations.

• Lead the migration of legacy SOAP integrations to REST APIs.

• Establish integration standards for webhooks, SFTP file exchange and Salesforce.

• Oversee data architecture across Microsoft SQL Server and ClickHouse, including data modelling, indexing and event storage.

Process and Standards

• Define the SDLC process from requirements through to release.

• Set coding, code review, testing, release and secure development standards, including branching, pull requests and YAML pipelines in Azure DevOps.

• Select AI tools for design, coding, code review, testing and documentation.

• Set rules for AI-assisted development, including mandatory human review and POPIA-compliant data handling.

• Update the process and standards based on delivery results and audit findings.

Technical Leadership

• Mentor senior developers and team leads on design decisions.

• Agree with team leads how standards apply when delivery pressure conflicts with them and escalad? to the Solution Delivery Manager.

What Do You Need

• Degree in Computer Science, IT or a related field. Microsoft Azure Solutions Architect (AZ-305) or an equivalent architecture certification an advantage.

• Minimum 10 years in software development, including at least 3 years in a solution or technical architecture role.

• Deep experience building production systems in .NET (C#) and hosting them on Microsoft Azure.

• Experience designing integrations and distributed, event-driven systems at high transaction volumes.

• Experience with Microsoft SQL Server at scale, including data modelling and performance tuning.

• Experience leading the incremental modernisation of legacy systems, without big-bang rewrites.

• Experience defining SDLC processes and development standards.

• Advantage. Logistics, courier or supply-chain systems; ClickHouse or another columnar analytics database; Salesforce integration; setting rules for AI-assisted development.

Competencies

• Backend and API. .NET 8+ (C#), REST APIs, clean architecture and domain-driven design.

• Frontend. Working knowledge of Vue 3 and TypeScript, enough to guide frontend design.

• Data. Microsoft SQL Server for operational data; ClickHouse for append-only event and analytical data.

• Integration. REST, SOAP, SFTP and webhooks; API-first integration through a central gateway; Salesforce APIs.

• Cloud and DevOps. Microsoft Azure; Azure DevOps Repos, YAML Pipelines, Boards and Wiki.

• Security and compliance. Secure development practices and the Protection of Personal Information Act (POPIA).

• AI. AI-assisted development across design, coding, review, testing and documentation.