.NET Developer (C#)


  • Tech Skills


    MS SQL


  • Job level
    Experienced (Non-Manager)
  • Work location
    Ho Chi Minh
  • Language
  • Type
    Full Time
  • Salary
  • Deadline

Business profile

Gumi Vietnam

39 Nguyen Thi Dieu, Quận 3, TP Hồ Chí Minh, Việt Nam

: 25-99

Công TY Cổ Phần GUMI Việt NAM - Gumi Vietnam, is a Japanese base IT company strongly focus on making Web & Mobile application.

Gumi Vietnam is a branch of Gumi Japan company established on Oct - 2012.

We 're strongly focus on making Web & Mobile application, both in out-sourcing and in-house products.

Here at Gumi Vietnam, we have young, creative, friendly and ambitious people working together and we 're still looking for awesome, talented IT geek to join us.

Job description

We are seeking a .NET developer responsible for building .NET applications. Your primary responsibility will be to design and develop these layers of our applications, and to coordinate with the rest of the team working on different layers of the infrastructure. A commitment to collaborative problem solving, sophisticated design, and quality product is essential.


  • Design, build, and maintain efficient, reusable, and reliable code
  • Integrate data storage solutions (Microsoft SQL Server, Microsoft Access…)
  • Ensure the best possible performance, quality, and responsiveness of applications
  • Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues
  • Help maintain code quality, organization, and automatization
  • Prepare test-based applications for various .Net applications
  • Enhance existing systems by analyzing business objectives, preparing an action
  • Plan and identifying areas for modification and improvement
  • Create technical specifications and test plans
  • Monitor everyday activities of system and provide require support

Why You'll Love Working Here

  • What you will grow into when working with us

    • Will be an experienced Ruby on Rails or PHP developer with many different kinds of projects.
    • Keep abreast of trends in web development.
    • Learn from everyone, no matter who they are.
    • Improve your English / Japanese skills.


    • iMac is provided for work.
    • Working in a professional, friendly, well-equipped environment both with Japanese and Vietnamese.
    • Review salary 2 times a year.
    • Month 13th salary.
    • Career path promotional opportunities.
    • Bonus base on performance.
    • Labor contract, insurance, annual days off are based on Vietnamese law.
    • Birthday party, Welcome party Team building events or monthly company party.
    • Company trip each year.
    • 40 hour work weeks (8:00-17:30, Mon-Fri).
    • 14 days of vacation per year.

Job requirement

Your Skills and Experience

  • Strong knowledge of .NET framework (include Windows Form, Windows Presentation Framework, MVC, MVVM, Linq, Xamarin, n-tier architecture, Mono…)
  • Proficient in C# and/or VB.NET, with a good knowledge of their ecosystems
  • Strong understanding of object-oriented programming
  • Skill for writing reusable libraries
  • Familiar with various design, architectural patterns, design patterns and best practices
  • Familiarity with Microsoft SQL Server
  • Experience with popular web application frameworks
  • Knack for writing clean, readable, and easily maintainable code
  • Understanding of fundamental design principles for building a scalable application
  • Experience creating database schemas that represent and support business processes
  • Basic understanding of Common Language Runtime (CLR), its limitations, weaknesses, and workarounds
  • Experience implementing automated testing platforms and unit tests
  • Proficient understanding of code versioning tools (such as Git, SVN)
  • Experience with Web Services, WCF and Service Oriented Architecture a plus
  • Understanding of Software Development Life Cycle and Agile methodologies
  • BS/MS degree in Computer Science, Engineering, MIS, or equivalent with programming experience


  • English : (Speaking: Intermediate - Reading: Intermediate - Writing: Intermediate)

Technical skills

  • C#
  • MS SQL
  • .NET
  • Windows
  • MVC
  • MVVM
  • Linq
  • Xamarin
  • .NetTiers
  • Architecture
  • VB.NET
  • OOP
  • Design Patterns
  • Web App
  • Automation Testing
  • Unit testing
  • Git
  • SVN
  • Web Services
  • WCF
  • Computer Science


  • Presentation Skills
  • Agile

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