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Senior Backend Developer (.NET)

Remote · Sri Lanka Full-time

Role: Senior Backend .Net Developer Location: Remote Duration : 6 months Job Details: Responsibilities:

  • Develop and maintain backend services using C#, .NET Core, and ASP.NET Core
  • Build and support RESTful APIs and microservices
  • Deploy, configure, and optimize applications on AWS EC2
  • Work with AWS services including S3, RDS, CloudWatch, IAM, and load balancers
  • Collaborate with front end developers using React for integration and feature delivery
  • Participate in code reviews, architecture discussions, and technical planning
  • Troubleshoot and resolve complex issues across the application stack
  • Ensure solutions meet security, compliance, and performance requirements common in financial systems
  • Contribute to CI/CD pipelines and automation efforts

Required Skills: senior Backend .Net Developer (10+ years of experience)

  • Senior level experience with C#, .NET Core, ASP.NET Core
  • Strong understanding of backend architecture and design patterns
  • Hands on experience deploying and managing applications on AWS EC2
  • Experience with relational databases (SQL Server, PostgreSQL, etc.)
  • Proficiency with Entity Framework Core
  • Familiarity with Docker and CI/CD workflows
  • Strong debugging, performance tuning, and problem-solving skills

Preferred Skills:

  • Experience in finance or financial services environments
  • Basic to intermediate knowledge of React
  • Experience with AWS ECS, EKS, or Lambda
  • Exposure to infrastructure as code tools (Terraform, CloudFormation)
  • Experience with event driven architecture (SNS, SQS, Kafka)
  • Background in automated testing frameworks

Work Environment / Additional Notes:

  • Backend focused role; React knowledge is helpful but not required
  • Experience with secure, regulated environments (finance) is a plus
  • Collaboration with cross functional engineering teams

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