Company Description

3W Logistics Co., Ltd., with over a decade of expertise in the Transportation and Logistics industry, has established itself as a trusted service provider. Specializing in seamless international transport by sea and air, the company is particularly focused on the US and Canada markets. Guided by the motto "We here serve you there," 3W Logistics ensures that geographic distances are no obstacle to superior service. The company is committed to providing convenient, reliable solutions tailored to its customers' needs.

Role Description

We are looking for a Senior .NET Developer with strong system thinking and architecture mindset to join our team in building and optimizing a long-term strategic ERP platform.

This role is ideal for engineers who enjoy solving complex business logic problems, designing scalable systems, and working with high data integrity requirements.

Responsibilities

• Develop and optimize backend systems for the ERP platform
• Design and implement Web APIs supporting complex business workflows and multi-state processes
• Analyze business requirements and propose appropriate technical solutions
• Optimize database performance, system stability, and scalability
• Conduct code reviews and provide technical guidance to team members
• Contribute to system architecture decisions and coding standards

Requirements

• 5+ years of experience with C# / .NET (preferably .NET 8+)
• Strong experience with ASP.NET Core Web API
• Hands-on experience with PostgreSQL
• Solid understanding of:

- Transactions

- Concurrency control

- Data integrity

- Database design for business systems

• Experience working on large-scale systems (ERP / Business Applications)
• Clean code mindset, clear architecture design, scalable and maintainable development approach

Nice to Have

Experience working on:

• ERP
• CRM
• Accounting systems
• Business applications

Experience with:

• Large datasets & long-term historical data
• Background jobs
• Message queues
• Docker & CI/CD pipelines

Experience in complex business domains

What we offer:

• Opportunity to build and shape a core long-term product
• Strong voice in technical design and architecture decisions
• A work environment focused on quality, scalability, and sustainability
• Competitive salary based on experience and capability
• Clear career path toward Technical Lead / Solution Architect