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

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