Senior Software Engineer (.Net, React)

About Trustify Technology

Trustify Technology is a fast-growing software engineering and digital transformation company providing AI-driven software development, verification & validation, and automation solutions for global clients across the US, UK/EU, Japan, and Singapore.

Trustify aims to be the top-tier technology outsourcing partner from Vietnam, combining human expertise with AI power to deliver high-quality, cost-effective solutions.

About Full-stack Developer Position

We are looking for a Senior Software Engineer with strong experience in .NET Framework/.NET Core to join our team working on a travel booking platform and CRM system for a UK- based client. This is an exciting opportunity to work on impactful projects with international exposure and long-term career development.

Your Benefits upon this position

·      Flexible working hours (core time: 9:00 AM – 6:00 PM, Monday to Friday)

·      Healthcare: Annual health check-up, Premium Health Insurance.

·      12 annual leaves + holidays.

·      13th-month salary.

·      Year End Party (YEP), company trip, team building activities.

·      Marriage gift, sick leave support, funeral/maternity support.

·      Lunar New Year gifts.

·      Working devices provided.

Responsibilities

·      Design, develop, and maintain features across both frontend and backend.

·      Work closely with UK stakeholders to understand requirements and provide technical solutions.

·      Write clean, maintainable, and scalable code using .NET on the backend.

·      Develop modern and responsive web interfaces using ReactJS

·      Optimize database queries and ensure data integrity using SQL Server.

·      Collaborate with cross-functional teams to deliver quality software on time.

Requirements

·      7+ years of experience in the .NET ecosystem (.NET Core, .NET Framework), with strong expertise in ASP.NET MVC/Web API

·      Experience working with legacy technologies including VB6, ASP Classic, and ASP.NET WebForms

·      Hands-on experience with Dapper and Entity Framework Core for ORM-based development

·      Strong knowledge of SQL Server (procedures, functions, performance tuning)

·      Good understanding of RESTful APIs and the full software development lifecycle

·      Experience with ReactJS or Angular is a plus

·      Effective English communication skills (written and spoken) for working with UK-based stakeholders

Contact Us

·      Trustify Technology JSC.

·      Contact HR Dept. via email: [Confidential Information]

·      Head Office: 307/20-21 Nguyen Van Troi, Tan Son Hoa Ward, HCMC

·      Website: https://trustifytechnology.com/

·      Working time: 9.00 AM – 6.00 PM Monday – Friday