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NTT DATA Logo NTT DATA · IT - Software Development

Senior Software Development .NET C# VB.NET

Mexico, Guadalajara · Job Posted June 17, 2026
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Job Description

We are currently seeking a Senior Software Development- .NET, C#, VB.NET to join our team in GDL, Jalisco (MX-JAL), Mexico (MX). We are seeking a highly skilled Senior Software Developer with 10+ Yrs. Of deep expertise in .NET, C#,VB,.NET to lead the design, modernization, and integration of our Manufacturing Execution System (MES). You will act as the crucial bridge between Information Technology (IT) and Operational Technology (OT), building scalable solutions that connect shop-floor machinery with enterprise systems like SAP, Oracle, or custom ERPs.

Job Responsibility

  • MES Development & Modernization: Architect and build advanced MES modules using C# and .NET. Safely modernize and migrate legacy, factory-critical VB.NET and ASP applications into modern .NET frameworks
  • System Integration: Design robust integration layers connecting the MES layer with ERP (SAP/Oracle), SCADA, PLCs, and WMS (Warehouse Management Systems) using APIs and Web Services
  • OT/IT Convergence: Develop software that interacts with hardware controls, machine interfaces, and OPC servers to automate real-time data collection on the factory floor
  • Database & Reporting: Architect and optimize complex T-SQL queries, stored procedures, and triggers using MS SQL Server and/or Oracle databases to ensure high data integrity
  • Technical Leadership & Mentorship: Act as the technical lead on MES projects, reviewing code, writing technical specifications, and mentoring junior developers on engineering best practices
  • Support & Maintenance: Provide tier-3, on-call support for critical production issues, minimizing equipment downtime and ensuring 24/7 system reliability

Requirements

  • Bachelor's degree in Computer Science, Software Engineering, or a related Engineering discipline
  • 7+ years of professional object-oriented programming experience heavily focused on C# and VB.NET
  • 5+ years of experience working in discrete or continuous manufacturing environments
  • Deep understanding of MES workflows, batch processing, and industry standards
  • Expert-level capability with MS SQL Server, SSIS, SSRS, and/or Oracle databases
  • Hands-on experience with OPC DA/UA, REST/SOAP APIs, message queues (MSMQ), and connecting MES platforms to ERP systems
  • Experience with Visual Studio, Git, and Azure DevOps for CI/CD environments
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