SvitlaSystems Inc. is looking for a Staff Software Engineer for a full-time position (40 hours per week) in Buenos Aires, Argentina. Our client is a general technology company specializing in self‑service payment solutions and digital customer engagement for the retail petroleum industry. This role is part of the development team responsible for troubleshooting and resolving critical production issues for the PoS Sustaining Team.

Requirements

• 7+ years of experience in software development with languages such as .NET, C#, and C++.
• Experience as a senior developer with design responsibilities.
• Understanding of Object Oriented Design and database design.
• Solid grasp of common design patterns.
• Experience with large codebases and Windows‑based application development.
• Strong knowledge of SQL or a similar database query language.
• Experience in Agile and Scrum framework.
• Understanding of software archite...