Lead Mobile App Developer (M/F/N), Luxembourg

Creos Luxembourg S.A. is the operator of electricity and natural gas networks in Luxembourg. Nearly 900 employees currently serve the company.

Creos is responsible for the planning, construction, maintenance, and operation of high, medium, and low voltage electricity networks, as well as high, medium, and low pressure natural gas pipelines that it owns or has been entrusted to manage. The networks managed by Creos include more than 12,000 km of electricity lines and approximately 2,200 km of natural gas pipelines, serving over 317,000 electricity customers and around 50,000 natural gas customers.

Mission

Are you passionate about mobile technologies, and delivering secure, high-quality applications?
Join our innovative digital team and help to lead the development of cross-platform mobile solutions that support business transformation and enhance user experience. You will take a strategic and supervisory role in mobile application development, guiding the process from architecture to deployment, with a strong focus on security, CI/CD, and code quality
As a Lead Mobile App Developer, you will:

• Lead, code and oversee the development of mobile applications using e.g. state of the art mobile development platforms, ensuring scalability, performance, and maintainability.
• Providing 2nd level support for bug fixes and implement changes.
• Collaborate with cross-functional teams including designers, backend developers, and product owners to define app features and user experience.
• Running the deployment pipeline using e.g. Codemagic, managing build automation, app signing, and release processes for Android and iOS platforms.
• Ensure the app meets high security standards, including data protection, secure coding practices, and vulnerability mitigation.
• Act as a strategic advisor on technology and architecture choices relating to mobile apps.
• Stay updated on industry trends and emerging technologies in mobile app development and cybersecurity.

Profile

• Degree in Computer Science, Software Engineering, or related field.
• Proven experience in Flutter application development, with at least 2 years in a lead or supervisory role.
• Deep understanding of mobile CI/CD pipelines and automation tools e.g. CodeMagic and corresponding processes.
• Familiarity with secure coding practices, OWASP mobile top 10, and best practices for securing mobile apps.
• Strong proficiency and experience integrating with REST APIs and third-party SDKs.
• Excellent problem-solving, product management, and communication skills.
• Fluency in English; knowledge of French or German is a plus.