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Location
In office (Johannesburg)
Seniority
Senior · 5+ years exp
Visa
Sponsors visas in United Kingdom; no register of this country names it

Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Nov 2, 2026.

Overview
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Impact
Profile match
Decision Inc is a South African technology consultancy founded in 2008 and based in Johannesburg. It delivers data, analytics and business platform projects. The company operates across Africa, Europe and Australia.

We are looking for an experienced developer that has experience in .Net software development and is looking to modernise their approach using the latest methodologies. This candidate should be able to analyse complex business challenges and determine how these can be solved utilising Microsoft's best practices and patterns. This includes the development of new custom functionality, systems integration into external applications, custom workflow development, or the development of custom solutions in order to meet the business requirement. Solutions that you would build include front-end and back-end implementations for code.

It is advantageous that the candidate has experience in a broad range of development technologies. Also having knowledge of the capabilities and limitations of developing on the various platforms, enabling them to make informed design decisions with regard to meeting business requirements.

Our developers are also consultants. We strive to ensure that our clients receive the most comprehensive and technologically appropriate solutions to assist them in their Digital Transformation journey. We strive to ensure that our solutions drive the future of innovation and digitisation.

Who Are We?

Decision Inc. is a global digital partner that enables businesses to reinvent themselves to realise their full potential.

We deliver agility, resilience, and intelligence to any enterprise, enabling them to adapt quickly and thrive through innovation and opportunity. Our teams have engaged with more than 400 clients globally over the past 15 years, providing them with the expertise to build, operate, and optimise their digital businesses.

We achieve this by leveraging the world's best technology to drive our client's business ambitions forward into tomorrow's reality. These technologies include but are not limited to: Microsoft, SAP, Qlik, Snowflake, Alteryx, Automation Anywhere, and Workday Adaptive Insights.

Our success is ultimately driven by our entrepreneurial culture, industry exposure, and the passion of our people. We have three key cross-functional teams - Functional and Specialist Consulting, Development, and Engineering teams. Based in four global offices, our exceptional consultants focus on delivering value to clients by keeping them at the centre of our service delivery. To find out more about our exciting fast-paced culture visit: Careers at Decision Inc.

What will you do?

  • Work with the Technical Leads in designing and building solutions using broad range of platforms, primarily .Net and .Net Core
  • Designing, programming, testing, debugging, and enhancing existing and new software solutions
  • Provide support and stability in existing and new solutions
  • Integrate new solutions with existing systems
  • Assist in providing accurate effort estimations and costings for scoped solutions
  • Take ownership and assist project teams with implementing solutions
  • Partake in development where necessary to ensure a project meets the quality and deadline that is expected
  • Mentor team members and assist with building capability and skill

Who do you need to be?

Required:

  • At least 5 years of experience in .NET development using web technologies and C#,
  • Experience in 1 or more of the follow web technologies: Web API, WCF (SOAP beneficial, REST essential), MVC, ASP.Net, Angular, ReactJS,
  • Experience in working with MS SQL for transactions and querying, Excellent understanding of Entity Framework and ORM,
  • Excellent understanding of OOP concepts,
  • Strong understanding of N-Tier, DDD, SOLID,
  • Comfortable working with source control such as TFS or GIT, Excellent understanding of Identity Frameworks such as OAuth, Azure AD, ASP Identities,
  • Attention to detail

Highly advantageous:

  • Experience with developing Azure solutions using Azure Functions, App Services, Azure SQL, Logic apps, etc.
  • Architecting solutions to meet client requirements and budget expectations.
  • Translating functional specifications to technical specifications.
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