DMZ266 - .NET Developer

Job Summary

Our client is seeking a skilled .NET Developer with more than 6 years of experience in .NET development and strong expertise in C# and SQL. The successful candidate will build, maintain and enhance enterprise applications, investigate and resolve technical issues, and apply AI-driven development practices to improve productivity and code quality.

Responsibilities

• Design, develop, maintain and enhance enterprise software applications using .NET technologies and C#.

• Write clean, reliable and maintainable C# code aligned with application requirements and established development practices.

• Develop and optimise SQL queries to support application functionality, data retrieval and processing.

• Investigate application errors, diagnose underlying causes and implement effective technical solutions.

• Troubleshoot software defects, performance concerns and database-related issues across existing applications.

• Apply AI-driven and AI-assisted development practices to support coding efficiency, debugging and code quality.

• Collaborate with development teams and relevant stakeholders to clarify requirements and deliver application improvements.

• Maintain and improve existing enterprise application features while supporting stability and reliability.

• Perform code reviews, debugging and testing to identify defects and improve software quality.

• Analyse technical problems systematically and recommend practical, sustainable solutions.

• Document technical changes, troubleshooting findings and application enhancements for ongoing maintenance.

• Work with relational databases, including PostgreSQL where applicable, to support application development and maintenance.

Competencies

• Excellent analytical thinking and problem-solving abilities when diagnosing complex software issues.

• Strong troubleshooting skills with a methodical approach to identifying and resolving defects.

• Attention to detail and commitment to producing reliable, high-quality application code.

• Ability to understand existing software functionality and translate requirements into practical enhancements.

• Effective communication skills when discussing technical issues, progress and solutions with colleagues.

• Strong organisational skills and the ability to prioritise development and support activities.

• Collaborative approach to working with developers, testers and other project stakeholders.

• Adaptability and willingness to adopt responsible AI-assisted development practices and evolving technologies.

Technical Skills

• Minimum 6+ years of professional experience in .NET development is mandatory.

• Strong practical proficiency in C# programming for enterprise application development is mandatory.

• Strong SQL skills for querying, manipulating and troubleshooting application data is mandatory.

• Hands-on familiarity with AI-driven or AI-assisted software development practices is mandatory.

• Proven troubleshooting and debugging capabilities for software applications are mandatory.

• Experience building, maintaining and enhancing enterprise applications using .NET.

• Ability to investigate application defects and perform structured root-cause analysis.

• Knowledge of writing maintainable code and applying sound software development practices.

• Experience analysing and improving SQL queries and database interactions.

• Ability to test application changes and verify fixes before implementation.

• Experience working collaboratively on application development and maintenance activities.

• Exposure to PostgreSQL databases are advantageous

General Information

• Contract: 12 Months

• Location: Durban/Pretoria

• Work Mode: Onsite