Staff Software Engineer

ASSA ABLOY Opening Solutions

. Design and maintain host-side components, including Windows smart card minidrivers, middleware, APIs, and cross-platform applications using Dart/Flutter .

Posted 11/5/2026full-timeSuresnes • FranceLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and maintaining security architectures for embedded systems, with a strong focus on applied cryptography and secure product development. Proficient in collaborating across teams to deliver secure solutions while ensuring compliance with industry standards.

Highest-signal resume keywords

Embedded Systems ArchitectureCybersecurity ArchitectureApplied CryptographyWindows Smart Card TechnologiesDart/Flutter Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Security Architecture DesignTechnical Risk AnalysisMiddleware IntegrationCross-Platform Application DevelopmentPost-Quantum CryptographySecurity DocumentationTechnical InvestigationsSystem-Level Software DevelopmentSecurity EvaluationsDevice Middleware

Soft Skills

Analytical SkillsProblem-Solving SkillsTechnical Decision-MakingEffective CommunicationDelegation Skills

Tools & Technologies

WindowsMacOSLinuxCryptographic APIsFIDOFIPS 140-3

Industry Keywords

CybersecurityEmbedded SystemsSecure Product DevelopmentSecurity ComplianceTechnical Assessments

Tech Stack

Tools & technologies

Cyber SecurityDartFlutterLinuxMacOS

About the role

Key responsibilities & impact

Design and maintain host-side components, including Windows smart card minidrivers, middleware, APIs, and cross-platform applications using Dart/Flutter
Define and maintain security architectures for embedded devices, firmware, and middleware solutions
Conduct security evaluations, threat assessments, and technical risk analyses
Translate cybersecurity, cryptographic, and post-quantum cryptography requirements into product specifications and technical implementations
Develop, review, and maintain security documentation and technical evidence for product certification and compliance
Design, implement, and evaluate prototypes for emerging technologies, security concepts, and device integrations
Lead hands-on work on middleware, Windows minidrivers, and cross-platform client applications
Support FIDO and FIPS 140-3 product certifications
Drive secure design practices throughout the product lifecycle
Support engineering teams working on Windows, macOS, and Linux with secure architecture and implementation guidance
Collaborate with Product Management, Engineering, Quality, Security, and external partners to deliver secure solutions

Requirements

What you’ll need

Bachelor's or Master's degree in Computer Science, Computer Engineering, Cybersecurity, or Embedded Systems
Minimum of 5 years of experience in embedded systems, cybersecurity architecture, applied cryptography, or secure product development
Demonstrated experience defining security architecture for embedded or hardware-based products
Experience conducting technical investigations, security analyses, and architectural assessments within a product development environment
Effective delegation to AI agents and responsible output validation
Strong software development skills, particularly system-level software and middleware integration with embedded devices
Experience with Windows smart card technologies, cryptographic APIs, or device middleware
Strong knowledge of modern cryptographic concepts and protocols, including Post-Quantum Cryptography (PQC)
Strong knowledge of embedded systems architecture and secure software design principles
Working knowledge of Windows, macOS, and Linux environments
Strong analytical, problem-solving, and technical decision-making skills
Effective verbal and written communication skills, with the ability to communicate complex technical concepts to diverse audiences
Experience with cross-platform applications; Dart/Flutter is a plus
Applicants must be currently and legally authorized to reside and work in the hiring country
Immigration sponsorship is not available
International relocation or remote work arrangements outside of the hiring country will not be considered

Benefits

Comp & perks

Competitive salary and rewards package
Competitive benefits and annual leave offering, allowing for work-life balance
Flexible work environment
Extensive career development opportunities and resources
Regular feedback, training, and development opportunities
Diverse, equitable, and inclusive workplace culture