Senior MES Developer (C#/.NET) – Onsite Indonesia

Firstunion; Jawa Barat; On-site; IDR 150,000,000 - 300,000,000; Full time

Job summary

Firstunion in Indonesia seeks an experienced C# .NET MES Developer to work onsite at our factory. You will analyze MES requirements, develop modules, and support testing, operation and maintenance to ensure stable digital manufacturing processes.

The role involves close collaboration with production teams, delivering scalable MES solutions, monitoring performance, and ensuring data security. On-site work in Indonesia is required.

Qualifications

• Bachelor’s degree or above in Computer Science, Software Engineering or related majors.
• 5+ years of software development experience with 3+ years MES development experience.
• Proficient in C# and .NET framework; MS SQL Server expertise; Oracle/MySQL is a plus.

Responsibilities

• Collaborate with production teams to analyze requirements and compile SRS documents.
• Develop and optimize MES modules via C# & .NET for production planning, monitoring, quality, and equipment management.
• Provide daily system maintenance, support, and data backup to ensure stability and security.
• Conduct functional, performance, integration and UAT testing; fix defects and ensure delivery quality.

Skills

C#

.NET

MES development

OOP

Design patterns

Education

Bachelor’s degree in CS/SE or related

Tools

MS SQL Server

Oracle

MySQL

Job description

Firstunion in Indonesia seeks an experienced C# .NET MES Developer to work onsite at our factory. You will analyze MES requirements, develop modules, and support testing, operation and maintenance to ensure stable digital manufacturing processes.

The role involves close collaboration with production teams, delivering scalable MES solutions, monitoring performance, and ensuring data security. On-site work in Indonesia is required.