Full Stack Engineer (.Net, Angular)

About the Role

You will be working on projects focused on Staff Performance management and WinCommerce operation store systems — building and maintaining Backend services that power day-to-day retail operations and employee performance tracking at scale. The role involves developing robust integration flows between core platforms and various internal business systems, ensuring reliability, performance, and scalability across the ecosystem.

Key Responsibilities

• Analyze business requirements, design architecture, and develop Backend features for Staff Performance and WinCommerce operation store systems.
• Build, maintain, and optimize RESTful APIs and Web Services supporting integration between core platforms and internal business systems.
• Design and implement system integration flows following micro-services and event-driven architecture standards using Kafka.
• Develop and operate Staff Performance features: collecting, processing, and visualizing employee KPI data based on requirements from business stakeholders.
• Support WinCommerce operation store functions: building backend services that power store operations, inventory, and operational workflows.
• Participate in database design (SQL Server, Oracle, MongoDB) and optimize query performance for high-load systems.
• Collaborate with Frontend, Mobile, QA teams and relevant stakeholders to ensure quality and delivery timelines.
• Conduct code reviews, establish coding standards, and provide technical guidance to team members.
• Operate, monitor, and troubleshoot systems on K8S/IIS/Windows Server environments.
• Contribute to technical process improvements within an Agile Scrum environment.

Requirements

• Bachelor's degree in Information Technology or a related field.
• 3-5 years of hands-on experience in full-cycle software development.
• Proven experience working in medium to large-scale companies, preferably in complex products, platforms, or enterprise environments.
• Experience in business domains relevant to Masan Consumer (MCH) and WinCommerce (WCM), such as: Human Resources / HR systems, Retail / E-commerce, ERP / Enterprise Applications, Warehouse Management, Logistics / Transportation / Delivery, Supply Chain Management, ... or other large-scale business operations or consumer-facing platforms
• Strong backend development experience with .NET / C#, SQL Server, and relational database design.
• Strong frontend development experience with Angular. Experience with other modern frontend technologies such as React, Vue.js, Node.js, or MVC is a plus.
• Hands-on experience with caching mechanisms, such as Redis, MemoryCache, or equivalent technologies.
• Experience working with message brokers / event-driven architecture, such as Kafka, RabbitMQ, or equivalent technologies.
• Good understanding of software architecture, API design, system integration, scalability, performance optimization, and distributed systems.
• Practical experience using AI tools to improve software engineering productivity, such as AI-assisted coding, debugging, code review, documentation, testing, or problem-solving. Candidates are expected to demonstrate how they effectively incorporate AI into their daily engineering workflow.
• Strong problem-solving skills, ownership, and ability to work effectively in a fast-paced and collaborative environment.

What We Offer

• Opportunity to build mission-critical technology products serving millions of consumers across the Masan ecosystem.
• Professional working environment with a strong engineering team and a culture that values initiative and innovation.
• Competitive salary and performance-based review cycles.
• Full benefits package in accordance with company regulations and Masan Group's internal benefit policies.
• Exposure to large-scale systems, modern technologies, and a clear career development path.