Bilingual Java Software Engineer

Founded in 1988, Marketech International Corp. (MIC) is a global technology and engineering company supporting semiconductor, high-tech manufacturing, cleanroom, and mission‑critical facility projects.

MIC provides turnkey facility integration solutions, including cleanroom and MEP construction, DI water, gas and chemical supply systems, wastewater treatment, facility monitoring and control systems, installation, and maintenance services.

Through Marketech International Corporation USA, we support major semiconductor and industrial projects across the United States.

Marketech International Corporation USA is seeking a Java Software Engineer (Full Stack) to develop, enhance, and maintain enterprise‑level Supply Chain Management (SCM) applications and internal business systems.

This is a hands‑on software engineering role focused on Java, Spring Boot, React, Type Script, and SQL Server
. You will contribute to the full software development lifecycle, including backend and frontend development, API integration, database optimization, testing, deployment, and production support.

The ideal candidate has experience building scalable enterprise applications, strong problem‑solving skills, and the ability to collaborate with business stakeholders and distributed engineering teams.

Professional proficiency in Mandarin Chinese is required to communicate with key stakeholders and engineering teams.

Design, develop, test, deploy, and maintain enterprise‑level SCM applications and related business systems.

Develop backend services and business logic using Java, Spring Boot, and MyBatis‑Plus or similar persistence frameworks.

Build and maintain frontend applications using React and Type Script.

Design and integrate RESTful APIs connecting internal applications, databases, and external systems.

Translate business requirements into reliable, maintainable application features.

Participate in code reviews, debugging, testing, and ongoing software improvements.

Develop, maintain, and optimize SQL Server queries, stored procedures, and database logic.

Support database design, data validation, and application‑level data processing.

Implement efficient data access and integration using MyBatis‑Plus or comparable ORM frameworks.

Troubleshoot application and database performance issues and implement improvements.

Support integrations with enterprise applications, supply chain systems, and operational platforms.

Participate in the full software development lifecycle, from technical design through deployment and maintenance.

Develop and execute unit, integration, and system tests to ensure software quality and reliability.

Investigate production incidents, troubleshoot application issues, and implement bug fixes.

Support CI/CD pipelines, application deployment, monitoring, and performance optimization.

Maintain technical documentation covering application architecture, APIs, database logic, and system configurations.

Collaborate with internal users and engineering teams to resolve application‑related issues and improve system functionality.

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent practical experience.

3+ years of professional full‑stack software engineering experience developing and maintaining production applications.

Strong hands‑on experience with Java, Spring Boot, and RESTful API development.

Professional experience developing frontend applications using React and Type Script .

Strong proficiency in Microsoft SQL Server
, including SQL queries, stored procedures, and database optimization.

E…