Mobile SDK Architect

IDEMIA Secure Transactions , a division of IDEMIA Group, is the leading technology provider making it safer and easier to pay and connect. With unmatched expertise in cryptography and credential issuance, IST is trusted by over 2,000 financial institutions, mobile operators, automotive manufacturers, and IoT providers worldwide. Every day, IST secures billions of essential transactions, ensuring the highest levels of data protection and convenience.

Purpose

This role transforms functional and non-functional requirements into design to reach simple, efficient and maintainable software that best addresses customers' requirements and optimize IDEMIAs business value

Responsibilites

• Designs and specifies the overall software structure, core elements, interfaces (API), technologies (COTS) and properties to meet the criteria of performance, security, budget, quality and risks induced by the requirements and contextual constraints of the software operation
• Performs architecture feasibility analysis (including performance, fault and risk analysis) and make recommendations on Software Architecture options
• Serves as technical lead throughout the full software development lifecycle, end-to-end
• Develops and documents architecture specifications that serve as the reference for engineering and execution
• Provides design and validation reviews for other engineers, including feedback on architecture and design issues, as well as integration, performance and scalability
• Monitors and enforces consistency of software design and technologies among all components
• Supports developers on managing technical issues
• Supports Product Owner on managing backlog and priorities
• Identifies the technologies to use
• Defines Software Architecture and contribute to its implementation for simple modules
• Ensures that non-functional requirements are well implemented
• Contributes to or validates quotations
• Shares knowledge and may mentor software developers

What do you need:

• 10+ years of experience in mobile development (Android/iOS). Preferably 3 years as Tech Lead/Architect role
• English: C2 level
• Kotlin, Java, Kotlin Multi Platform
• Android SDK,
• Testing: Groovy, Spock, JUnit, JC2 - internal testing framework
• Build/Release: Gradle, Jenkins
• Mobile Security: Android Keystore, certificate pinning, pairing, Google Play Integrity, secure communication with backend, mobile SDK protection mechanisms
• NFC payments (HCE implementation)
• Knowledge of GenAI supported development with tools like GitHub Copilot CLI to create and utilize Skills, Specs and MCP Servers

The role is based in Paris, France . We are working in hybrid model with at least three visits at the office per week. If you prefer to work fully on site, our office is always open for you :)

What does the recruitment process look like?

• A 30-minute telephone HR interview with Ania
• Technical meeting where you will meet the leader and a member of the team, this will take 1.5h
• Business interview, approximately 30 minutes
• Welcome aboard