Job Description

We are Team possible – the people behind Proximus, Proximus NXT, Davinsi Labs, Codit, Proximus Ada, and more. Nice to see you here!
United by a shared purpose, we’re building a smarter, trustful and more connected world.
That means embracing technology and celebrating change.
We think possible and then make it possible. And of course, we love what we do.
Sounds like your kind of place?

Your job

As a Senior AI Engineer, you will take end-to-end responsibility for complex AI initiatives from scoping to production delivery. You combine deep expertise in AI with strong software engineering fundamentals to ensure the solutions we deliver are robust, scalable, secure, and built following best-in-class engineering practices. You will shape technical approaches, mentor other team members, and contribute to raising the engineering bar within Proximus Ada.

Responsibilities 

• Lead the design and delivery of complex AI solutions using state-of-the-art (Gen)AI technology, ensuring high standards of scalability, robustness, security, and maintainability.
• Translate customer requests into fit-for-purpose AI solution architectures aligned with customer needs.
• Quickly build prototypes to demonstrate customer value.
• Transform prototypes into production-grade solutions to obtain reliable, scalable systems.
• Present your results in a clear manner and discuss them with multi-functional project teams.
• Work in close collaboration with business experts (e.g. for requirement gathering, data source identification, data and process understanding, feature engineering, result validation, etc.), and with other AI engineers in the team (e.g. for knowledge sharing).
• Mentor and guide team members, promote engineering excellence, and contribute to knowledge‑sharing and continuous improvement across Ada.

Your pofile

• PhD or Master's degree in Artificial Intelligence, Computer Science, Engineering, or a related technical field.
• 5+ years of proven experience delivering AI/ML solutions in production.
• Demonstrated experience owning complex technical solutions from concept to production deployment.

Technical skills

• Strong expertise in Python.
• Strong understanding of state-of-the-art AI/ML methods.
• Experience using LLM’s and commonly used libraries to interact with LLM’s (Langchain, Llamaindex, ...)
• Proven proficiency  with deploying scalable AI applications to production.
• Hands‑on experience with Azure Cloud, Azure Data & AI services.
• Advanced experience with:
• Version control (Git, GitHub)
• CI/CD pipelines
• Microservices and API design
• MLOps frameworks (MLflow, Kubeflow, TFX)
• Experience with agentic AI frameworks (LangGraph, AutoGen, CrewAI) is a strong plus.
• Knowledge of modern software architecture patterns (event‑driven systems, microservices, distributed computing).

Attitudes/Behaviour

• Excellent problem-solving skills.
• Collaboration: Strong interpersonal skills to work effectively with diverse stakeholders from data science, engineering, and business units.
• Excellence: Strong commitment to excellence by consistently striving for high-quality outcomes, embracing continuous improvement, and maintaining a proactive, detail-oriented approach in all tasks.
• Innovation Mindset: Willingness to explore new technologies and methodologies to drive continuous improvement.
• Resilience: Capacity to troubleshoot and resolve issues in complex changing environments while maintaining a focus on quality and user experience.
• Communication: Ability to convey complex technical concepts to non-technical audiences and provide clear documentation.

Languages 

• Fluent in English + French and/or Dutch

This is what to expect

• Drive positive change with confidence, turning bold ideas into solutions to remain at the forefront of technology
• Keep on learning, evolving, and building your career in a digital space that truly supports your growth journey
• Real connections power real progress. Collaboration is how you will transform challenges into new opportunities.
• Be welcomed for exactly who you are. Your unique perspective and identity will strengthen our team.
• Design your balance with work options and a culture that lets you excel in your role and enjoy life outside of work.
• Enjoy bonus, medical coverage, flexible mobility options, family-friendly perks, meal vouchers, telecom discounts, and other cool benefits designed to support you every step of the way.
  The salary is based on a clear salary scale, which takes into account professional experience, skills, and seniority. The recruiter will inform you of the applicable range before the first interview.

Want to dive deeper? Learn more about our culture & our benefits

About us

Proximus Ada is Belgium’s first center of excellence specializing in artificial intelligence and cybersecurity, developing cutting-edge AI solutions and strengthening digital resilience to meet the evolving needs of society.