Senior C#/.NET Diagnostic Software Engineer

Team: IT

Location: India

Commitment: Full-time

Workplace Type: remote

Accountabilities:

• Design, develop, and maintain Windows-based automotive diagnostic applications using C# and .NET.
• Implement and integrate UDS communication according to ISO 14229.
• Develop communication workflows using ISO-TP in accordance with ISO 15765.
• Integrate CAN and CAN FD hardware and associated APIs into diagnostic applications.
• Develop and maintain ECU diagnostics and firmware flashing workflows.
• Implement UDS services including Diagnostic Session Control (0x10), ECU Reset (0x11), Security Access (0x27), Request Download (0x34), Transfer Data (0x36), and Transfer Exit (0x37).
• Implement checksum and CRC verification mechanisms for firmware programming workflows.
• Build reliable retry, timeout, error-handling, and recovery mechanisms for diagnostic and flashing operations.
• Apply MVVM architecture and object-oriented design principles to create maintainable software.
• Use asynchronous programming and multithreading to support responsive and reliable diagnostic applications.
• Work with CAN development and diagnostic tools such as CANoe, CANalyzer, PCAN-View, Vehicle Spy, and Visual Studio.
• Integrate and troubleshoot CAN hardware from platforms such as Vector, PEAK PCAN, Kvaser, Intrepid, or NI-XNET.
• Work with firmware formats including Intel HEX, Motorola S-Record, and binary files.
• Collaborate with technical stakeholders to troubleshoot issues and deliver robust diagnostic software solutions.

Requirements:

• 5–10 years of professional software engineering experience, with strong hands-on experience in automotive ECU diagnostics.
• Strong programming experience with C# and .NET Framework and/or .NET 6+.
• Practical experience developing Windows desktop applications using WPF and/or WinForms.
• Strong knowledge of UDS and ISO 14229.
• Hands-on experience with ISO-TP and ISO 15765.
• Strong understanding of CAN and CAN FD communication.
• Proven experience with ECU diagnostics and firmware flashing.
• Practical experience implementing UDS diagnostic services and ECU programming workflows.
• Experience with checksum/CRC validation, retries, timeouts, and recovery mechanisms.
• Strong understanding of MVVM architecture and object-oriented software design.
• Experience with asynchronous programming and multithreading.
• Hands-on experience integrating CAN hardware and APIs.
• Familiarity with CAN tools such as CANoe, CANalyzer, PCAN-View, or Vehicle Spy.
• Experience with Vector, PEAK PCAN, Kvaser, Intrepid, or NI-XNET hardware is preferred.
• Familiarity with firmware formats such as Intel HEX, Motorola S-Record, and binary (.bin) files.
• Experience using Visual Studio and Git in professional software development environments.
• Strong debugging and problem-solving skills with the ability to investigate complex communication and diagnostic issues.
• Ability to work independently and contribute effectively to technically demanding projects.
• Immediate availability to join is required.

Benefits:

• Full-time employment.
• Fully remote position open across India.
• Compensation of ₹20–25 LPA, with the source listing stating up to ₹25 LPA.
• Opportunity to work on automotive ECU diagnostics and firmware programming.
• Hands-on exposure to UDS, ISO-TP, CAN, and CAN FD technologies.
• Experience with industry-standard CAN hardware and diagnostic tools.
• Opportunity to work with Windows-based diagnostic applications and modern C#/.NET technologies.
• Exposure to firmware flashing workflows and multiple firmware formats.
• Opportunity to contribute to technically complex automotive software projects.
• Immediate-joiner opportunity within a specialized engineering environment.