Senior Software Developer

e-Merge IT Recruitment is seeking a Senior Software Developer in Johannesburg, South Africa, for a leading renewable energy company. The role involves designing and developing high-performance software using C#, TypeScript, and AWS. Candidates should have 7+ years of experience, strong skills in C#/.NET, event-driven architectures, and cloud services. This permanent position offers a salary of up to R1M per annum.
A prominent force in South Africa’s renewable energy space is searching for an experienced Senior Software Developer to join their expanding tech team. This organisation is transforming the way solar power is managed and delivered, leveraging intelligent technology, modern digital platforms, and a strong sustainability mindset to drive efficiency and wider access to clean energy.

In this role, you’ll be instrumental in designing, building, and scaling high-performance software solutions using C#, TypeScript, and AWS. You’ll contribute to mission-critical platforms that power real-world energy initiatives and help shape a more sustainable future.

What You’ll Bring:

· 7+ years of professional software development experience

· Deep expertise in C#/.NET, including ASP.NET Core Web APIs, EF Core, and validation/mapping frameworks

· Strong experience with event-driven and messaging architectures (queues, topics, async patterns)

· Solid database knowledge across SQL Server and PostgreSQL, with exposure to caching strategies

· API-first development experience using OpenAPI/Swagger, versioning, and standard API design principles

· Frontend development experience using TypeScript and modern React / Next.js frameworks with state management

· Strong focus on UI performance, accessibility, and responsive design

· Hands-on experience with AWS cloud services and infrastructure

· Infrastructure as Code experience using tools such as Terraform or AWS CDK

· Working knowledge of AWS services including Lambda, EC2, API Gateway, S3, and DynamoDB

· Advanced PostgreSQL expertise, including schema design and scaling strategies

· Experience implementing secure authentication and authorization (OAuth2, JWT, AWS Cognito)

· Strong exposure to DevOps practices in cloud-native environments

Reference Number for this position is CL60981 which is a permanent position based in Johannesburg offering a cost to company salary of up to R1M per annum depending on experience and ability. Contact Candace on candacel@e-merge.co.za or call her on 011 463 3633 to discuss this and other opportunities.

Are you ready for a change of scenery? The e-Merge IT recruitment is a specialist niche recruitment agency. We offer our candidates options so that we can successfully place the right developers with the right companies in the right roles. Check out the e-Merge website www.e-merge.co.za for more great positions.

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