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Senior Software Engineer (React/.NET Core)

Sri Lanka · Job Posted May 25, 2026
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Job Description

We are seeking passionate Software Engineers with strong expertise in React and .NET Core to be an integral part of our development team. This role involves close collaboration with a client’s engineering team to design, develop, and deliver scalable software solutions with a strong commitment to quality and client satisfaction.

Job Responsibility

  • Design and development of software solutions in collaboration with the client’s engineering team
  • Maintain strong, ongoing relationships with the client’s product managers and engineering team
  • Ensure high-quality and timely delivery of software solutions
  • Uphold coding standards, enforce best practices, and ensure continuous improvement

Requirements

  • B.Sc. in Engineering, Computer Science, or related discipline
  • 3+ years of full-stack experience in React and .NET
  • Strong experience in React, TypeScript, HTML/CSS
  • Experience with canvas/diagram libraries is a definite advantage
  • Good design instincts and UI/UX awareness
  • Strong experience in .NET Core application development with C#
  • Exposure in scalable server application architecture
  • Familiarity with concurrent programming, orchestration frameworks, and design patterns like state machines
  • Solid understanding of REST API design, development, and integration
  • Experience with CI/CD pipelines and MS SQL Server
  • Experience in Visual Studio, VS Code, Jira, Confluence, GitHub
  • Strong skills in unit testing, preferably using NUnit
  • Experience working in an Agile/Scrum development environment
  • Excellent English communication skills, both written and verbal

Nice to have

Experience with canvas/diagram libraries

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