About the role

We are seeking a software engineer with strong experience in maintaining and extending desktop applications, not web. You will be working on an established point-of-sale and retail management system built on Microsoft technologies, with a focus on stability, bug fixes, feature enhancements, and database maintenance.

Key responsibilities

• Maintain and enhance legacy applications built in C# and VB.NET (WinForms)
• Debug and resolve production issues across client systems
• Work with Firebird database (queries, stored procedures, performance tuning)
• Ensure backward compatibility across client deployments
• Refactor legacy code safely and add documentation where required
• Collaborate with support team to triage customer issues

Required skills

• Strong desktop development background
• Proficiency in C# and VB.NET
• Hands-on with Firebird SQL (or strong RDBMS + willingness to learn Firebird quickly)
• Proven experience maintaining legacy codebases
• Excellent debugging, problem-solving, and analytical skills
• Knowledge of version control and working across multiple branches/versions

Nice to have

• Experience with POS or retail systems
• Knowledge of migration strategies (e.g. Firebird version upgrades, .NET framework upgrades)
• Familiarity with introducing automated tests into legacy environment

Apply Now

If you’re a software engineer with strong desktop development experience and enjoy working with established systems, we’d love to hear from you. Apply now with your CV to be considered for this role.