Senior Full Stack .NET Developer (MongoDB + Solr) - Remote

About the Role

We are seeking a Senior Full Stack .NET Developer to join our team remotely. This position is perfect for a skilled developer who thrives in a dynamic environment and is passionate about building high-quality, scalable enterprise SaaS applications. As a Senior Full Stack .NET Developer, you will take full ownership of your work, including testing and quality assurance, while collaborating with cross-functional teams to deliver customer-focused features.

What You'll Do

• Break down complex problems into manageable parts and design clean, efficient solutions.
• Develop and maintain RESTful APIs and backend services using C#, .NET Core, and Web API.
• Apply software architecture patterns like Domain-Driven Design (DDD) and CQRS to create modular and scalable systems.
• Work directly with SQL Server, designing databases, writing stored procedures, and optimizing queries for performance.
• Utilize Entity Framework (EF Core or EF6) for ORM and data access.
• Contribute to modernizing and rewriting legacy applications to .NET Core 8.
• Design scalable data access strategies using both relational (SQL Server) and NoSQL databases, including MongoDB.
• Implement enterprise search solutions with technologies such as Apache Solr.
• Write clean, testable, and maintainable code with comprehensive documentation.
• Take ownership of testing your code through unit, integration, and performance testing.
• Collaborate with product managers and other teams to understand requirements and deliver features that meet customer needs.
• Use AI development tools like GitHub Copilot and Claude to enhance your coding efficiency.

Requirements

• 5+ years of experience in enterprise or SaaS software development.
• Strong hands-on experience with C#, .NET Core, Web API, and migrating applications to .NET Core 8.
• Proficiency in Entity Framework (EF Core or EF6), MongoDB, and Apache Solr.
• Solid understanding of object-oriented programming, design patterns, and enterprise architecture.
• Experience with DDD, CQRS, and clean layering of business logic and data access.
• Familiarity with multi-threading, asynchronous programming, and system performance tuning.
• Comfortable with Git and modern development environments (CI/CD, Agile).
• Excellent communication skills in English, both written and verbal.

Nice to Have

• Experience building AI-powered features such as smart forms and intelligent search.
• Exposure to event-driven architecture or messaging patterns.
• Experience working in a Shift Left environment with full feature ownership.

What We Offer

• Competitive salary range of $120,000 - $150,000 annually.
• Flexible remote work environment.
• Opportunity to work with cutting-edge technologies and tools.
• Collaborative and innovative team culture.
• Professional development opportunities.