Senior .NET + Azure IoT Backend Architect

Acuity Consultants; Cape Town; Hybrid; ZAR 1,400,000 - 1,800,000; Full time

Job summary

Acuity Consultants in Cape Town is seeking a Senior Full Stack Developer to drive backend services and APIs across the full lifecycle. You will work at the intersection of cloud, data, and IoT, shaping architectural decisions and delivering production-ready software.

Join a global IoT tech team deploying scalable cloud solutions for critical infrastructure. The role emphasizes ownership, mentorship, and collaboration across software and embedded engineering teams.

Qualifications

• Bachelor’s degree in Computer Science or Software Engineering.
• 7+ years of full-time software development experience, including building and operating cloud environments in production.
• Strong proficiency with C#/.NET, ASP.NET Core (Web APIs), RESTful APIs, and TypeScript.
• Solid foundations in data structures, algorithms, and software design principles.
• Experience with SQL Server and/or NoSQL data stores; EF Core preferred.
• Experience designing modular monoliths and microservices in cloud-native architectures.
• Extensive experience with Azure cloud platform and SaaS/PaaS patterns.
• Hands-on with Infrastructure as Code (Bicep), and CI/CD pipelines in Azure.
• Knowledge of cloud networking, multi-tenant architectures, and security considerations.

Responsibilities

• Take ownership of major features across the full development lifecycle, from architecture to production operations.
• Design and build scalable backend services and APIs, integrating with edge IoT devices.
• Collaborate with embedded teams and other stakeholders to evolve the platform architecture.
• Mentor engineers and drive code quality through reviews and design discussions.
• Balance delivery speed with reliability, security, and cost in a multi-tenant SaaS environment.

Skills

C#/.NET

ASP.NET Core

RESTful APIs

TypeScript

SQL Server

NoSQL

Entity Framework Core

Azure

DDD

CQRS

Dependency Injection

FluentValidation

JSON serialization

TPL

Cloud-native architectures

Event-driven architecture

Multi-tenancy

IaC (Bicep)

CI/CD (Azure)

Testing

Networking (cloud)

IoT platform concepts

Education

Bachelor’s degree in Computer Science or Software Engineering

Tools

Bicep

Azure DevOps

Job description

Acuity Consultants in Cape Town is seeking a Senior Full Stack Developer to drive backend services and APIs across the full lifecycle. You will work at the intersection of cloud, data, and IoT, shaping architectural decisions and delivering production-ready software.

Join a global IoT tech team deploying scalable cloud solutions for critical infrastructure. The role emphasizes ownership, mentorship, and collaboration across software and embedded engineering teams.