Johannesburg: Software Engineer (.NET & AWS)

About the Role We are seeking an experienced Software Engineer (.NET & AWS) to join our innovative technology team. You will design, build, and maintain scalable enterprise-grade applications, leveraging modern .NET technologies and AWS cloud services. This role emphasizes cloud-native development, microservices architecture, and secure, high-performance coding practices. It is ideal for a skilled engineer who thrives in collaborative Agile environments, embraces continuous learning, and is passionate about delivering robust, future-ready software solutions. Key Responsibilities Development & Architecture Design, develop, and maintain scalable backend applications using C# and .NET Core / .NET 6 . Build microservices-based architectures with reusable and modular components. Implement cloud-native solutions using AWS services including Lambda, API Gateway, S3, DynamoDB, and RDS. Write clean, maintainable, and secure code following best practices and coding standards . Develop and integrate RESTful APIs and services with front-end systems. Ensure high availability, performance, and security of applications. Tooling & Pipelines Implement CI/CD pipelines using tools such as AWS CodePipeline, GitHub Actions, or Azure DevOps . Configure containerized deployments using Docker and orchestration with Kubernetes / EKS . Monitor and optimize application performance using AWS CloudWatch and other monitoring tools. Maintain unit tests, integration tests, and automated test frameworks to ensure application quality. Collaboration & Process Collaborate with product managers, QA engineers, DevOps, and other software engineers in an Agile/Scrum environment. Participate in code reviews , architecture discussions, and knowledge-sharing sessions. Mentor junior developers and support team growth and skill development. Translate functional and technical requirements into high-quality software solutions. Requirements & Qualifications Must-Have Skills: 6 years of professional software development experience with .NET Core / .NET 6 . Strong proficiency in C# and object-oriented programming. Hands-on experience with AWS cloud services and cloud-native application design. Experience developing microservices architectures . Knowledge of containerization tools such as Docker and orchestration frameworks like Kubernetes / EKS . Experience with CI/CD pipelines and automated build/deployment processes. Familiarity with relational and NoSQL databases ( SQL Server, DynamoDB, or similar ). Solid understanding of RESTful APIs and secure software development practices. Excellent problem-solving skills and a proactive approach to learning. Highly Desirable Skills: Experience with event-driven architectures and messaging systems (e.g., SNS/SQS, Kafka ). Knowledge of serverless development patterns using AWS Lambda and API Gateway. Familiarity with Infrastructure as Code tools ( Terraform, CloudFormation ). Exposure to unit testing frameworks (xUnit, NUnit) and test-driven development (TDD). Understanding of performance optimization, monitoring, and observability in cloud environments. Education & Certifications Education: Bachelor’s degree, higher certificate, or diploma in Computer Science, Software Engineering, IT, or a related field. Certifications: AWS Certified Developer – Associate(optional but advantageous) AWS Certified Solutions Architect – Associate (or Professional) (optional but advantageous) Microsoft Certified: Azure Developer Associate (optional but advantageous) Additional Information Contract Duration: 12 Months (with possibility of renewal) Salary: Market Related Location Options: Johannesburg / Cape Town / Remote Must be located in South Africa or have a valid work permit for South Africa