Technical Lead - Fullstack (.NET/ReactJS)

About the Company
About VinSmart Future:VinSmartFuture (formerly VinIT) is a technology subsidiary of Vingroup, leading the development of a comprehensive SuperApp and digital ecosystem that serves tens of millions of users across key sectors: payments, healthcare, education, mobility, commerce, and entertainment.Our mission is to build the "Digital Core" - the foundational technology platform that powers Vingroup's unified digital operations, enabling smart management, data-driven decision-making, and scalable infrastructure on a national level.
Responsibilities
Design, develop, and maintain scalable backend applications and APIs using .NET / ASP.NET Core.
Design and implement microservices, distributed systems, and event-driven architectures.
Develop and optimize database solutions, ensuring performance, reliability, and scalability.
Build and maintain frontend applications using ReactJS, TypeScript, and modern UI frameworks.
Collaborate with product owners, architects, and UI/UX designers to deliver high-quality software solutions.
Write clean, maintainable, and secure code following software engineering best practices.
Develop and consume RESTful APIs, messaging systems, and cloud-native services.
Support CI/CD pipelines, application deployment, monitoring, and performance optimization.
Troubleshoot production issues, perform root cause analysis, and continuously improve system reliability.
Follow Secure Software Development Lifecycle (SSDLC) and DevSecOps best practices throughout the software development lifecycle.
Qualifications:
Minimum 8 years of professional experience in software development, with strong hands-on experience in fullstack engineering.
Proven experience designing and developing enterprise-grade applications and scalable software systems.
Experience working across backend and frontend development, with the ability to take ownership of end-to-end technical solutions.
Required Skills
Strong proficiency in C#/.NET and ASP.NET Core.
Solid experience designing and developing RESTful APIs, microservices, and distributed systems.
Strong understanding of software architecture, design patterns, performance optimization, and system scalability.
Hands-on experience with relational and NoSQL databases.
Strong experience with ReactJS, JavaScript/TypeScript, and modern frontend development.
Good understanding of state management, responsive UI development, and frontend architecture.
Experience integrating frontend applications with backend APIs and enterprise systems.
Good knowledge of cloud solution architecture and services on AWS and/or Azure.
Experience with CI/CD pipelines, automated deployment, and cloud-native development practices.
Understanding of secure coding, application security, and DevSecOps principles.
Preferred Skills
Strong analytical and problem-solving skills.
Ability to work independently and collaborate effectively with cross-functional teams.
Strong ownership mindset and commitment to technical excellence.
Good communication skills and the ability to contribute to technical discussions and decision-making.
Commitment to code quality, testing, maintainability, and continuous improvement.
Benefit:
Flexible working hours and attendance policy. Work from home on alternate working Saturdays.
Attractive compensation package and competitive bonus schemes.
Lunch allowance.
Exclusive benefits across Vingroup's ecosystem, including preferential rates for education (Vinschool), healthcare services (Vinmec), hospitality and resorts (Vinpearl), vehicle purchases (VinFast), and housing rental and ownership programs (Vinhomes), in accordance with the Group's policies.
Full statutory insurance coverage in accordance with Vietnamese Labor Law, including Social Insurance, Health Insurance, and Unemployment Insurance.
Additional private healthcare insurance provided based on job grade and position.
Annual health check-ups at reputable hospitals and healthcare centers nationwide.
Opportunity to participate in large-scale, strategic technology projects.
Opportunity to work in a professional technology environment alongside scientists, experts, and engineers from leading technology companies in Vietnam and around the world.
Opportunity to join Vingroup's technology clubs and internal technology communities, contributing ideas and projects to real-world applications.
Internal Trainer development programs with special benefits for knowledge-sharing contributors.
12 annual leave days, plus public holidays in accordance with Vietnamese Labor Law.
Participation in company activities, team-building programs, and annual corporate events.
Work Location: TechnoPark Tower, Vinhomes Ocean Park, Hanoi