About the Role:

Nasugroup is hiring a Critical Manufacturing MES Developer on behalf of a client to build, customize, and support MES solutions for semiconductor fab and back-end operations. The role requires hands-on experience with Critical Manufacturing MES and semiconductor domain expertise.

Key Responsibilities:

- Develop and customize CM MES solutions (back end in C#/.NET and/or front end in Angular/TypeScript)

- Write and maintain flows, flow paths, steps, and rework/hold logic based on process-engineering routes

- Configure semiconductor data models: products, lots/wafers, recipes, resources, specifications, Smart Tables

- Implement lot split/merge, genealogy, hold/release, rework, and dispatching logic

- Build integrations with ERP, SPC, YMS, and equipment via CM Connect IoT, SECS/GEM, and APIs

- Support SIT/UAT, resolve defects, and provide L2/L3 production support

- Follow CM best practices for code quality, version control, and releases

Required Qualifications:

- 4+ years of hands-on CM MES development experience

- CM Back-End or Front-End Developer certification (mandatory)

- Semiconductor domain experience (wafer fab, assembly/test, or OSAT)

- Strong understanding of flow writing in CM

- Proficiency in C#/.NET and/or Angular/TypeScript

- SQL Server skills (queries, stored procedures, tuning)

- Knowledge of lot/wafer tracking, track-in/track-out, traceability, and recipe management

- Experience with REST/SOAP, JSON/XML, Git, and Agile

Preferred:

- Both Back-End and Front-End CM certifications

Education:

Bachelor's degree in Computer Science, Electronics, Electrical, IT, or a related field.