We are looking for a C#/.NET developer responsible for building C#/.NET applications, including anything from back-end services to their client-end counterparts. Your primary responsibilities will be to design and develop these applications and to coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is essential. Responsibilities Translate application storyboards and use cases into functional applications Design, build and maintain efficient, reusable, and reliable C# code Ensure the best possible performance, quality, and responsiveness of applications Identify bottlenecks and bugs, and devise solutions to these problems Help maintain code quality, organization, and automatizationMust have Experience in designing and building software solutions Proven experience as a .NET Core (.NET 5, 6, 7) developer Strong hands-on experience in OOP Familiarity with the ASP.NET framework, Entity Framework Proficient in writing unit tests Database skills (MySQL, PostgreSQL, MongoDB) Strong hands-on experience on server-side concepts like Messaging, Workflow Basic understanding of design patterns like MVC Familiarity with Docker and Docker orchestrations Good at English Nice to have Having knowledge in cloud services like AWS, GCP, Azure is a plus Having experience in working with Microservices architecture is a plus Having any experience of any front-end framework (ReactJS, Angular) is a plusSaturday & Sunday OFF, Overtime pay is 150%, 200%, 300% as per labor law; Work performance review 2 times/ year (in April and October); Performance bonus, 13th- month salary, public holidays bonus (2/9, 30/4, 1/5, 1/1); bonus for Excellent Employee and Excellent Team; Social insurance, health insurance, unemployment insurance and Bao Viet care insurance; 01 hour paid leave per day for women having children under 12 months 01 day remote work per month; A flexitime allowance of 90-180 minutes per month for employees Minimum 14 paid leaves per annum for all employees after probation; Nice & modern working space with young, dynamic & friendly colleagues and free coffee, tea, drinks; Yearly company trip and year-end party, quarterly team building and weekly eating together; English - Japanese Club, Sports Clubs; Men's Day, Women's Day, Children's Day, Mid-Autumn Festival and other benefits under the provisions of the company; Flat, open and sharing culture with friendly management team; outsourcing company with product mindset; Training courses and working opportunities with technical gurus who built and operated world-class applications with millions of users. This might be a good chance for graduated students to learn cutting-edge technologies and how to build scalable system from scratch;