Senior Fullstack .NET Developer ReactJS, C#, English

Office location: Ho Chi Minh City (District 1) | Company HQ: Melbourne, Australia
Employment Type: Full- time

You will join as a Senior .NET Full- Stack Developer with the opportunity to grow into a Technical Lead role. Initially, your main responsibility is hands- on coding, building high- quality features, and contributing to the architecture of TOM software products. Over time, as you demonstrate leadership and technical ownership, you will be mentored and supported to step into a lead position where other developers will work around you.
This role is ideal for someone who is strong technically, eager to take on more responsibility, and ready to grow into a leadership track while still being hands- on.

Development & Delivery (Primary)

Design, build, and maintain features for:
TOM ERP – our core system for business operations.
TOM Platform – SaaS solution for ordering, invoicing, and delivery tracking.
Write clean, maintainable, and testable code in .NET (C) and ReactJS (TypeScript).
Collaborate with BA/PO and QA to refine requirements and deliver high- quality features on time.
Participate in code reviews and contribute to improving coding standards and practices.
Support integrations with ERPs and third- party systems.

Technical Growth to Leadership

Gradually take ownership of technical design decisions and system architecture.
Contribute to discussions on scalability, performance, and best practices.
Get involved in CI/CD, Azure DevOps pipelines, and cloud deployment strategies.
Learn to guide and mentor junior developers.

Support & Collaboration

Support production issue investigations when escalated.
Work closely with the Australian product and customer success teams to understand requirements and priorities.
Help troubleshoot and resolve complex issues in collaboration with QA and BA/PO.

Yêu cầu công việc

What We’re Looking For

- English: Good in reading and writing documents
- Business domain: ERP systems, business operation systems, workflow- heavy SaaS
- 5+ years of experience with Microsoft technologies:
- Backend: ASP.NET MVC (Framework and Core), C, Web API, Entity Framework
- Database: SQL Server, MongoDB
- Frontend: ReactJS (TypeScript), HTML5, CSS3, Bootstrap/Tailwind
- Solid understanding of system architecture, data modeling, and design patterns.
- Experience with Azure services like SQL Azure, Web App Services, Service Bus, Redis Cache, Azure Functions.
- Familiar with CI/CD using Azure DevOps or similar tools.
- Strong problem- solving skills and proactive attitude.
- A proactive, adaptable attitude suitable for a startup environment.

Supporting the team in resolving complex technical issues and improving coding standards.
Building trust with the Technical Lead/Architect and showing readiness for leadership responsibilities.
Delivering high- quality features independently with minimal supervision.
Demonstrating strong ownership of assigned modules and services.

Send your CV with subject:
[Senior .NET] Your- full- name – Mobile Number – HCMC (Onsite)

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About Tomsoft

Secomm is an eCommerce & Software Solution Provider agency based in Saigon since 2014. Our technologies and platforms are wide- ranged from PHP, Javascript, .NET, Magento, Shopify, Power Platform, etc... We have clients from Australia, Vietnam, Singapore, HongKong, and our market is expanding.
Tomsoft, a long term Secomm’s partner, is a growing Australian software company focused on making ERP systems accessible for small and medium- sized businesses. Our main product, TOM, is a SaaS platform that helps wholesale, distribution, and manufacturing companies manage their operations efficiently. TOM offers features like order tracking, financial integration, and real- time analytics, similar to big ERP systems like Oracle NetSuite or Microsoft Dynamics, but in a simpler and more affordable package.

- Shape how TOM is delivered to customers in Australia while growing a high- performing Vietnam team alongside our software product development team.
- Work hands- on across discovery, analysis, delivery, and customer success.
- Gain international exposure with opportunities to work in Australia or the U.S.
- Enjoy benefits such as a 13th- month salary, performance bonuses, team- building events, and professional training.

Cập nhật gần nhất lúc: 2025-09-18 17:00:03