Senior API / .NET Developer( W2 Role) Need Local to Dallas Only

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Senior API / .NET Developer (AWS, Microservices)

Freeman

W2 Only

14221 Dallas Parkway Ste. 200 DALLAS Texas 75254 (Locals Only)

Last round In-person

Role Overview

We are seeking a Senior API / .NET Developer to design and build scalable, cloud-native integration services within a modern event-driven, microservices-based architecture.

This role focuses on developing high-performance APIs and backend services using C# and .NET, enabling seamless communication across enterprise applications and SaaS platforms. You will work within AWS environments to deliver secure, reliable, and scalable solutions that power real-time data exchange and system integration.

Key Responsibilities

API & Backend Development

• Design and develop RESTful APIs and backend services using C# and .NET Core
• Build scalable, high-performance services aligned with microservices architecture
• Implement secure API design, authentication, and authorization mechanisms
  
  

Cloud & Integration Development (AWS)

• Develop and deploy applications using AWS services such as:
• API Gateway
• Lambda
• SNS / SQS
• EventBridge
• Build event-driven integrations using messaging and asynchronous communication patterns
• Ensure seamless integration between enterprise systems and third-party platforms
  
  

Microservices & Architecture

• Design and implement microservices and service-oriented architecture (SOA) solutions
• Apply patterns like:
• Event-driven architecture
• Publish/Subscribe
• Asynchronous processing
• Collaborate on system design and architecture decisions
  
  

Containerization & DevOps

• Develop and deploy applications using Docker containers
• Work with ECS / EKS (Kubernetes) for container orchestration
• Contribute to CI/CD pipelines (GitHub Actions or similar tools)
  
  

Reliability, Performance & Monitoring

• Ensure system reliability, scalability, and performance
• Implement logging, monitoring, and alerting using:
• AWS CloudWatch
• X-Ray
• Troubleshoot production issues and optimize system performance
  
  

Collaboration & Documentation

• Work closely with cross-functional teams (architecture, platform, product)
• Participate in design discussions and code reviews
• Document APIs, integration flows, and technical designs
  
  

Required Qualifications:

Experience

• 8 years of experience in software development (backend/API focus)
• Strong hands-on experience with C# and .NET Core
• Experience building RESTful APIs and microservices
• Experience working with AWS cloud services