Senior Full Stack Developer (Remote)

About the role

Wexcy, a SaaS platform that streamlines operations for businesses across retail, hospitality, education and healthcare, is looking for a Senior Full Stack Developer. You will work remotely on existing production systems, enhancing both backend services and cross‑platform mobile and web applications.

Key responsibilities

• Develop and maintain C#/.NET backend services and REST APIs.
• Enhance and support Flutter/Dart mobile applications.
• Work on React.js‑based admin panels when needed.
• Design, review and optimise database schemas and SQL Server performance.
• Participate in code reviews, testing and production releases.
• Troubleshoot technical issues across Development, UAT and Production environments.

Required profile

• 6+ years of professional software development experience.
• Strong hands‑on expertise with C# and Microsoft .NET / ASP.NET Core.
• Proven experience building RESTful APIs and working with SQL Server.
• Experience with Flutter/Dart and React.js.
• Solid understanding of software architecture, SOLID principles, design patterns and clean code.

Required skills

• C#
• .NET / ASP.NET Core
• REST APIs
• Microsoft SQL Server
• Database design & optimisation
• Flutter
• Dart
• React.js
• Git & GitHub
• Firebase Cloud Messaging (FCM)
• JWT authentication
• Role‑based access control (RBAC)
• API security
• SOLID principles
• Design patterns
• Clean code practices