Fullstack Developer

Middle Full Stack - Job Description

Key Responsibility

• Develop and customize DxFAC web applications using C# / .NET Core / ASP.NET Core Web API to support real-world industrial systems such as MES, WMS, CMMS, Traceability, Quality, and IoT.
• Develop and maintain frontend applications using Angular; experience with ReactJS is a plus.
• Design and implement solutions based on business requirements, business rules, exceptions, and real-world factory operations, rather than simply developing from specifications.
• Build solutions that balance customer-specific customization and reusable core product capabilities, avoiding unnecessary hard-coding and customer-specific branches.
• Design and develop integrations with SCADA/PLC, IoT devices, measurement devices, ERP/SAP, and other external systems.
• Participate in software design, system architecture, and solution reviews with Senior Developers, Technical Leads, Product, and BA teams.
• Develop and maintain microservices, background jobs, workflow processes, and asynchronous communication.
• Optimize application performance and database queries for large-scale production data.
• Write unit and integration tests where appropriate and actively participate in code reviews.
• Work with QA, DevOps, and deployment teams to support testing, deployment, UAT, and go-live activities.
• Troubleshoot and resolve production issues, software bugs, performance problems, and data-related issues in existing systems.
• Support deployments on Azure or on-premise environments and troubleshoot issues remotely or on-site when required.
• Identify opportunities to move customer-specific solutions back into the core product for reuse across future customers.
• Use AI coding agents effectively by providing sufficient context, reviewing generated output, identifying incorrect assumptions, and taking full ownership of committed code

Qualification Requirements

Technical Skills

• At least 3 years of experience in full-stack development.
• Strong C# and .NET Core skills, including ASP.NET Core Web API.
• Experience with Entity Framework Core or Dapper.
• Proficient in Angular; strong ReactJS experience is also considered if willing to work with Angular.
• Strong experience with SQL Server, including relational database design, indexing, query optimization, and execution plans.
• Experience working with microservices architecture in a real-world system.
• Understanding of synchronous and asynchronous communication, message queues, workflow engines, and background job schedulers.
• Understanding of idempotency and how to design jobs/processes that can safely be executed multiple times without creating duplicate data.
• Experience with Domain-Driven Design (DDD), including bounded contexts and keeping domain logic separated from infrastructure concerns.
• Understanding of OOP, SOLID principles, and common design patterns.
• Experience writing unit tests and understanding when integration tests are required.
• Experience with Azure DevOps, including Repos, Pipelines, and Boards.
• Experience deploying applications on Azure, preferably using services such as App Service, AKS, App Configuration, and Key Vault.
• Experience integrating RESTful APIs and external systems.

Priorities (not a must-have)

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field.
• Good English communication skills.
• Strong problem-solving and analytical skills.
• Product-oriented mindset, with the ability to distinguish between customer-specific requirements and problems that should be solved at the core product level.
• Detail-oriented and able to understand complex business processes and edge cases.
• Willing to challenge requirements and raise technical or business concerns before implementation when necessary.
• Proactive in learning new technologies, business domains, and technical skills.
• Comfortable working across Development, BA, Product, QA, DevOps, and Customer teams.
• Able to effectively use AI agents as engineering tools while maintaining responsibility for the quality and architecture of the final code.

Personal Skills

• Bachelor’s degree in Computer Science, Engineering, or related field.
• English Fluent
• Advanced problem-solving skills
• Observant and able to remain focused on tasks for long periods of time
• Analytical and detail-oriented
• Can proactively learn and gain necessary skills for existing or future project

Compensation & Benefits

Insurance & Salary

• Vietnam labor regulations
• Healthy Insurance
• Competitive and high salary
• Review salary twice a year (April and October (exceptional))
• 13th month-salary
• Reward of the end the year
• Raised on for achieving English and Technical certificates

Career Development & Training

• Career Path clearly
• Projects in many domain
• Everyone is willing to support each other.
• Trained soft skills and SCRUM/Agile
• Taking part in a clear, pre-defined training path along the career path on Microsoft Learning platform, PluralSight, etc.
• Evaluating skill progress via courses’ exams
• Utilize unlimited courses on training platforms to broaden your own knowledge and competency
• Real environment provided (Cloud credit, software/tools licenses, etc.) for R&D and practice

Extra Activities

• Office happy hours, Teambuilding, Company trip, Wedding, Birthday, …
• Sport clubs: soccer, badminton, games, …

Application Process

• Only one – round: about 60 minutes (HR and Technical Department);
• Interview Address: 51 Hoang Viet, Tan Binh, Ho Chi Minh

Please send your CV to rec[@]nois[.]vn to proceed or contact +84 28 6681 0782 (HR Dept) for more information.