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Senior .NET Engineer (.NET Core + React + AWS)

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Tier4 Group

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Location:
United States , South Fulton

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Contract Type:
Employment contract

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Salary:

Not provided

Job Responsibility:

  • Design, develop, and maintain RESTful APIs and microservices using .NET Core and C#
  • Write optimized SQL queries and stored procedures in SQL Server and PostgreSQL
  • Work with Dapper and Entity Framework for efficient data access and ORM management
  • Implement clean architecture and best coding practices
  • Optimize application performance, scalability, and security
  • Write unit tests and integration tests
  • Participate in code reviews and technical discussions
  • Develop responsive and user-friendly UI components using React
  • Integrate frontend applications with backend APIs
  • Ensure cross-browser compatibility and performance optimization
  • Collaborate with UX/UI teams to implement modern design principles
  • Deploy and manage applications on AWS
  • Work with AWS services such as EC2, S3, RDS, Lambda, API Gateway, and CloudWatch
  • Implement CI/CD pipelines
  • Ensure security best practices in cloud deployments

Requirements:

  • 5+ years of experience in software development
  • Strong expertise in .NET Core / ASP.NET Core and C#
  • Experience developing Web APIs and microservices
  • Strong hands-on experience with React.js
  • Proficiency in TypeScript or JavaScript (ES6+)
  • Hands-on experience with AWS cloud services
  • Experience with relational databases (SQL Server, PostgreSQL)
  • Knowledge of microservices architecture
  • Experience with Docker and containerization
  • Familiarity with Git and CI/CD pipelines
  • Strong understanding of RESTful services and API design principles
  • Knowledge of SOLID principles and design patterns
  • Excellent problem-solving and analytical skills
  • Strong communication skills
  • Ability to work independently and collaboratively
  • Strong ownership and accountability

Nice to have:

  • AWS certification
  • Infrastructure-as-Code tools (CloudFormation/CDK)
  • Bachelor’s degree in computer science, IT, or related field

Additional Information:

Job Posted:
May 16, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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