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Principal Software Engineer

ASSA ABLOY Global Solutions

Paris · On-site Full-time Lead 1mo ago

About the role

About the Role

The Principal Software Engineer is a hands-on software developer with extended responsibility for the technical design, quality, and long-term maintainability of key software components and subsystems within IAI's machines and software platforms.

In this role, the Principal Software Engineer acts as a technical owner at component and subsystem level, contributing actively to system and platform architecture decisions while remaining deeply involved in implementation, testing, and validation on machines. The role combines strong execution capability with architectural awareness, technical mentoring, and a clear ownership mindset.

The Principal Software Engineer works in multidisciplinary project teams and collaborates closely with software, mechanical, electrical, A&T, service, and project colleagues to deliver robust, high-quality software that meets current and future product requirements.

Who are we?

HID powers the trusted identities of the world’s people, places, and things, allowing people to transact safely, work productively and travel freely.

Secure Issuance, part of HID Global, offers the world’s broadest and most sophisticated portfolio of card printers, laser engravers, encoders and software. For more than 25 years, organizations across a variety of industries — from enterprise corporations and government agencies to financial institutions and universities — have relied on HID Global Secure Issuance for the custom personalization and issuance of secure identity credentials and financial cards. With a history of pioneering patented technologies and expertise, business integrity and long-standing customer confidence, HID Global is a global leader in secure card issuance innovation.

As our Principal Software Engineer, you’ll support HID’s success by:

These duties are fundamental to the role and are required to perform its core function.

Software Development & Implementation

  • Develop software from specification through design, implementation, testing, integration, and documentation
  • Remain actively hands-on in coding, debugging, integration, and validation of software on machines
  • Analyze customer and system requirements and translate them into high-quality software solutions

Technical Ownership & Architecture

  • Act as technical owner for assigned software components and subsystems, taking responsibility for design choices, code quality, maintainability, and long-term evolution
  • Contribute to system and platform architecture decisions and ensure alignment with agreed architectural principles and standards
  • Ensure that software designs are robust, scalable, and suitable for reuse across products where applicable

Quality, Standards & Security

  • Ensure software is developed according to agreed coding standards, architectural guidelines, and best practices
  • Apply secure and robust software development practices appropriate for industrial systems and customer environments

Testing, Validation & Maintenance

  • Test and validate software functionality against specifications
  • Analyze and resolve software-related issues in delivered machines and installations

Primary Duties

These duties are important and regularly performed but support the essential duties rather than define the role itself.

Software Development & Integration

  • Integrate third party software components where required

Quality & Continuous Improvement

  • Perform and contribute to code reviews, actively managing technical debt and improving overall software quality
  • Ensure proper documentation of changes and maintain up to date software documentation and manuals
  • Work closely with multidisciplinary teams to translate user requirements into functional software solutions
  • Act as a technical mentor for software engineers, supporting their development through code reviews, design discussions, and knowledge sharing
  • Support A&T and Service Engineers by providing technical expertise, training, and knowledge transfer

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