Principal Software Engineer

Software Engineer III - MES (.NET Full Stack)

Location: Chennai / Sriperumbudur

About the Role

First Solar is looking for an experienced .NET Full Stack Developer to design, develop, and support Manufacturing Execution Systems (MES) used in a global manufacturing environment. The role involves building scalable applications, integrating shop-floor systems, developing APIs, and supporting enterprise manufacturing solutions.

Must Have Skills

• C#, .NET Core, ASP.NET Core
• React
• Entity Framework
• MS SQL Server and/or PostgreSQL
• RabbitMQ and/or MSMQ
• Azure DevOps, Git/GitHub
• REST APIs / Web API
• Experience with modern software development practices
• Exposure to AI-assisted coding / Agentic Coding tools

Preferred Skills

• Kubernetes, Docker
• Kafka
• Azure Service Fabric
• Python (Flask/Django)
• PowerShell
• SSIS
• PLC Integration / Manufacturing Systems
• SCADA / Ignition
• Grafana, Prometheus, Apache Airflow
• Power BI

Key Responsibilities

• Develop and maintain enterprise applications using .NET technologies.
• Design and build REST APIs, database structures, and front-end applications.
• Integrate manufacturing systems, shop-floor equipment, and third-party applications.
• Troubleshoot and resolve application, database, and system issues.
• Participate in code reviews, testing, deployment, and production support.
• Collaborate with global teams to deliver scalable MES solutions.
• Support CI/CD pipelines and DevOps best practices.

Qualification

• Any Graduate

This is an excellent opportunity to work on large-scale manufacturing applications, modern cloud technologies, and enterprise software solutions supporting First Solar's global operations.