Principal Software Engineer

First Solar; Chennai District; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

First Solar in Chennai is seeking a .NET Full Stack Developer to design, develop, and support MES used in global manufacturing. You will build scalable applications, integrate shop-floor systems, and develop APIs for enterprise manufacturing solutions.

The role emphasizes REST APIs, modern development practices, and CI/CD, with opportunities to work across global teams and cloud technologies in a manufacturing setting.

Qualifications

• Graduation in any discipline.
• Experience designing, developing and supporting MES and enterprise software.
• Strong knowledge of .NET stack and relational databases.

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.

Skills

C#, .NET Core, ASP.NET Core

React

Entity Framework

MS SQL Server, PostgreSQL

RabbitMQ, MSMQ

Azure DevOps, Git/GitHub

REST APIs / Web API

Modern software development practices

AI-assisted coding tools

Education

Any Graduate

Tools

Kubernetes

Docker

Kafka

Azure Service Fabric

Python (Flask/Django)

PowerShell

SSIS

PLC Integration / Manufacturing Systems

SCADA / Ignition

Grafana, Prometheus, Apache Airflow

Power BI

Job description

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.