AI-Assisted Application Developer (Front-End & Back-End)

As part of its digital transformation journey, our client is seeking an AI-Assisted Application Developer (Front-End & Back-End) to join its team in Luxembourg and contribute to the development of innovative internal business applications.

Application Development (Front-End & Back-End)

• Gather and document business requirements from end users and internal stakeholders.
• Design and develop user interfaces, server-side logic, databases, and APIs.
• Build web-based solutions such as: portals, dashboards, data entry and activity tracking tools, reporting applications, business calculators
• Ensure code quality through appropriate structure, readability, testing, and documentation.

Integration & Deployment

• Deploy applications into the internal environment in collaboration with the IT Department.
• Contribute to hosting, security, backup, and operational setup activities.
• Integrate authentication mechanisms using Entra ID / Azure, including Single Sign-On (SSO).

Security & Data Protection

• Ensure compliance with GDPR, Swiss data protection regulations, and internal cybersecurity requirements.
• Apply privacy-by-design and security-by-design principles throughout the development lifecycle.
• Implement best practices for: data minimization, access management, secret management, logging and auditing
• Ensure that sensitive or personal data is never exposed to AI coding assistants.
• Maintain appropriate documentation related to data processing and compliance requirements.

Maintenance & Continuous Improvement

• Investigate and resolve application issues.
• Incorporate user feedback and evolving business requirements.
• Maintain application sustainability through proper version control and up-to-date documentation.

Documentation & User Support

• Produce and maintain technical documentation, including: application architecture, technical decisions, deployment procedures, operational guidelines
• Create user-facing documentation such as: user guides, operating procedures, release notes
• Train and support business users in adopting and utilizing applications effectively.
• Gather feedback and provide first-line functional support.

• Bachelor's degree or equivalent qualification (Associate's to Master's level) in Computer Science, Software Development, Web Development, or a related field.
• Recent graduates and junior candidates are encouraged to apply.
• 5-7 years of professional experience.
• A portfolio, GitHub profile, or demonstrable project examples will be highly valued.

Technical Skills

• Web development: JavaScript / TypeScript, React, HTML / CSS
• Back-end development: Node.js, Basic Python knowledge is a plus
• Databases: SQL, Basic data modeling concepts, SQLite, PostgreSQL, or equivalent solutions
• API development and integration: REST APIs
• Understanding of authentication and Single Sign-On (Entra ID / Azure is a strong advantage; training can be provided)
• Version control using Git and GitHub
• Basic understanding of deployment processes, CI/CD concepts, and networking
• Awareness of application security and data protection principles
• Ability to effectively leverage, review, understand, validate, and improve code generated by AI coding assistants (Claude Code, Codex, or equivalent), while ensuring data confidentiality and security.

• The opportunity to play a key role in the digital transformation of a major international industrial group.
• End-to-end ownership of application projects, from requirements gathering to deployment and user support.
• Exposure to modern technologies including React, Node.js, Microsoft 365, Entra ID, and cloud authentication solutions.
• Hands-on experience with AI-assisted software development tools (Claude Code and similar technologies), at the forefront of modern engineering practices.
• A high level of autonomy and responsibility within a small and agile environment.
• Direct interaction with business stakeholders, providing strong exposure to both technical and operational challenges.
• The chance to develop applications used by teams across multiple countries and business units.
• Close collaboration with experienced technical and IT professionals.
• A dynamic international and multicultural working environment.
• Continuous learning opportunities and exposure to cybersecurity, data protection, and enterprise application architecture.
• Competitive compensation package aligned with the candidate's experience and profile.