.NET Developer Orange Tree Systems

As a .NET Engineer youll lead the design and delivery of scalable secure high-performance backend systems powering web mobile and multi-platform applications.

What Youll Do
Backend Engineering

• Design build test and maintain backend services and REST/GraphQL APIs using .NET ( Core).
  
• Implement secure authentication and authorization using OAuth2 OpenID Connect JWT and industry-standard identity providers.
  
• Integrate internal services and third-party systems with a focus on security resilience performance and data integrity.

Background & Qualifications

• 3 years of backend engineering experience with strong depth in .NET.
  
• Expert proficiency in C# Core and API design (REST; GraphQL is a plus).
  
• Strong experience in SQL Server/PostgreSQL including schema design and performance tuning.
  
• Hands-on experience with Azure cloud services and cloud-native development.
  
• Understanding of microservices event-driven architecture distributed systems and reliability principles.
  
• Experience with CI/CD version control automated testing.
  
• Docker/Kubernetes experience is a plus.
  
• Healthcare domain experience (e.g. EHR/EMR HL7 FHIR) is a strong advantage.

Technology Stack

• Backend: .NET / Core (Web API MVC) microservices
  
• Frontend Exposure: React or Angular
  
• Databases: SQL Server PostgreSQL Cosmos DB
  
• DevOps: Docker Kubernetes CI/CD
  
• Architecture: Microservices event-driven systems distributed services

Quality Collaboration & Operations

• Apply engineering best practices: clean architecture testing documentation and performance optimization.
  
• Participate in code reviews design discussions and architectural decision-making.
  
• Troubleshoot production incidents perform root-cause analysis and implement long-term fixes.
  
• Collaborate cross-functionally to deliver business-critical features with high reliability.

What Were Looking For

• System Thinker: Designs secure scalable systems with strong engineering fundamentals.
  
• Strong Ownership: Drives delivery end-to-end and raises the quality bar.
  
• Collaborative Builder: Communicates clearly and works effectively across teams.
  
• Quality Focused: Writes clean testable maintainable code and improves existing systems.
  
• Adaptable: Learns quickly and applies modern tools patterns and cloud services.

Why Join Orange Tree Systems

• Build healthcare technology that creates real-world impact
  
• Work with a fast-growing highly skilled engineering team
  
• Deep exposure to Azure scalable backend systems and modern DevOps practices
  
• Opportunity to shape architecture performance and long-term platform direction