Android Developer SDK

IDEMIA Group; Paris; Hybrid; EUR 70,000 - 90,000; Full time

Job summary

IDEMIA Group in Paris is seeking an experienced Android developer to transform requirements into robust mobile software supporting NFC payments and secure communications. You will work on Kotlin/Java-based apps, collaborating across teams in a hybrid model with regular office presence.

The role emphasizes code quality, security, and performance, with opportunities to mentor junior engineers and influence architecture while aligning with IDEMIA's identity technology leadership.

Qualifications

• 5+ years of Android app development experience.
• Proficiency in Kotlin and Java.
• Experience with Gradle and Jenkins for build/release.
• Experience with NFC payments (HCE) implementation.

Responsibilities

• Develop software components and maintain code quality across the Android stack.
• Review designs, contribute to software architecture and technical governance.
• Coach and potentially manage a small team of Software Development Engineers.
• Ensure security, performance and reliability of mobile applications.

Skills

Android app development

Kotlin

Java

Kotlin Multiplatform

Testing frameworks

Gradle

Jenkins

Mobile security

NFC payments

Tools

Android Keystore

Certificate pinning

Google Play Integrity

Secure backend communication

Mobile SDK protection

Job description

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Since our founding, IDEMIA has been on a mission to unlock the world and make it safer through our cutting-edge identity technologies. Our technology leadership makes us the partner of choice for hundreds of governments and thousands of enterprises in over 180 countries, including some of the biggest and most influential brands in the world. In applying our unique expertise in biometrics and cryptography, we enable our clients to unlock simpler and safer ways to pay, connect, access, identify, travel and protect public places - at scale and in total security.

Our teams work from 5 continents and speak 100+ different languages. We strongly believe that our diversity is a key driver of innovation and performance.

Purpose

This role transforms requirements into software according to design, to maximize business value and customer satisfaction.

Key Missions

• Uses programming, scripting and database languages to write software code that meets requirements and that optimizes software performances
• Identifies existing software components, libraries and frameworks to reuse in the solutions
• Applies knowledge of software development best practices, including coding standards, secure coding, code reviews, source control management, build processes, testing, and operations
• Contributes to requirement (functional and non-functional) analysis and estimations
• Supports software testing, deployment, maintenance, and evolution activities by correcting programming errors, responding to scope changes, and coding software enhancements
• Builds up software structure including functions, design patterns, layers, etc.
• Documents and demonstrates solutions by developing code comments, layouts, diagrams and charts
• Contributes to Software architecture (specification analysis, technical studies, technology assessment, etc.)
• Codes large and complex modules within agreed quality, deadline and cost
• Performs design and code reviews and assess software performance optimization
• Contributes and promotes the organization's technical governance
• Performs complex troubleshooting
• Coaches and can manage a small team of Software Development Engineers

Profile & Other Information

Requirements:

• 5+ years of experience in Android app development (preferably with SDK not with UI/UX)
• Kotlin, Java, Kotlin Multi Platform
• 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)

The role is based inParis, 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 :)

By choosing to work at IDEMIA, you will join a unique tech company, offering a wide range of growth opportunities. You will contribute to a safer world, collaborating with an international and global community. We value the diversity of our teams and welcome people from all walks of life, regardless of how they look, where they come from, who they love, or what they think.

We deliver cutting edge, future proof innovation that reach the highest technological standards and we're transforming, fast, to stay a leader in a world that's changing fast, too.

At IDEMIA, people can develop their expertise and feel a sense of ownership and empowerment, in a global environment, as part of a company with the ambition and the ability to change the world.

Visit our website to know more about the leader in Identity Technologies