Role: CAD Automation Engineer

Location: OMR, Chennai

Must have skills:

• Minimum 4+ years of experience in software application development

• Core developer proficiency in
C# (.NET Framework and .NET multi-target SDK)
— class libraries, COM interop, async/await patterns, and NuGet package management

• Hands-on experience with at least one
CAD API / third-party automation SDK
— SolidWorks API, NX Open, Creo Pro/TOOLKIT, or Inventor API

• Understanding of
COM and in-process add-in architecture
— how CAD connectors load into the host process, ribbon/command registration, and event lifecycle

• Experience with
Windows application development
— WinForms, WPF, or native Windows UI hosted inside a CAD add-in

• Working knowledge of
REST API design and consumption
— Web API, JSON serialisation, OAuth2 / JWT authentication against PLM endpoints

• Strong analytical and problem-solving skills — ability to diagnose crashes, memory leaks, and race conditions in long-running desktop processes





• Expertise in performance profiling and fine-tuning — CPU and memory profiling of Windows processes, identifying bottlenecks in CAD API traversal and PLM sync operations

• Experience with
Git
and branching workflows — feature branches, pull requests, and code review in Azure DevOps

• Experience in Agile / Scrum methodologies — sprint ceremonies, backlog grooming, and cooperative delivery with QA and application engineers

Job Description

· Design, develop, and maintain CAD connector add-ins that integrate SolidWorks, NX, CATIA, Creo, and Inventor with PLM platforms including Aras Innovator and ProductCenter

· Implement CAD API automation — model traversal, BOM extraction, attribute read/write, file export, and event-driven callbacks within the CAD host process

· Build and maintain the C# connector framework — shared libraries for PLM communication, checkin/checkout, lifecycle transitions, and BOM sync

· Diagnose and resolve complex defects — crashes inside the CAD host proce

📌 CAD Automation Engineer (Chennai Metropolitan Area)
🏢 Essig PLM
📍 Chennai Metropolitan Area