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← CÔNG TY TNHH NEXTHINK TECHNOLOGIES

Senior Backend Engineer C#, .NET, API, SQL, English

CÔNG TY TNHH NEXTHINK TECHNOLOGIES · Hồ Chí Minh
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Type
Full-time
Work mode
On-site
Level
Staff
Industry
Engineering / Mechanical
Salary
Thương lượng
Location
Quận 1, Hồ Chí Minh, Hồ Chí Minh

Overview

  • We are looking for a Backend Software Engineer to join our development team and build, maintain, and modernize high-performance backend systems and services.
  • The role involves both maintaining existing systems and helping migrate legacy components toward newer service-oriented architectures.
  • Develop and maintain backend services using C# and .NET.
  • Build REST APIs, gRPC services, and real-time communication systems.
  • Work with SQL Server, Redis, and other data stores.
  • Develop scalable and reliable asynchronous and concurrent systems.
  • Troubleshoot performance, connectivity, and production issues.
  • Maintain and modernize legacy .NET Framework applications.
  • Write and maintain unit tests and automated tests for business logic and backend services.
  • Participate in system design, code reviews, testing, and technical discussions.
  • Work with Docker, IIS/Nginx, and service deployment environments.
  • Integrate authentication and authorization using JWT.
  • Collaborate with frontend, backend, QA, and infrastructure teams.
  • Your Skills and Experience
  • 5+ years of professional software development experience.
  • Ability to communicate effectively in English
  • Strong C# and .NET experience.
  • Experience developing backend APIs and services.
  • Good understanding of OOP, SOLID principles, design patterns, and clean code.
  • Strong understanding of asynchronous programming and concurrency.
  • Good SQL and database knowledge.
  • Experience writing unit tests and understanding testable code design.
  • Experience with Git and modern software development practices.
  • Ability to understand, troubleshoot, and improve existing systems.
  • Nice to Have
  • .NET 6/8 and ASP.NET Core
  • .NET Framework / Web API 2
  • gRPC and streaming
  • SQL Server
  • Redis
  • MongoDB
  • Docker
  • IIS / Nginx
  • WebSocket
  • xUnit, NUnit, or MSTest
  • Moq, NSubstitute, or another mocking framework
  • Integration testing and test automation
  • Experience with high-performance or real-time systems
  • Testing & Code Quality
  • Write clear, maintainable unit tests for business logic and service components.

Benefits

BonusParking

Summary of facts from the official posting. View original ↗

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