Senior ai Engineer F - M - Paris - Lyon - Krakow H/F LumApps

In 2025, LumApps strengthened its leadership position by partnering with Beekeeper, a pioneer in frontline employee experience solutions. This strategic collaboration expands our reach and impact across all types of workers - from HQ to the frontline.

Our mission: To make people feel that they belong and have a purpose.

To create an environment where all employees are engaged and work together towards the same goal. Over 700 leading companies trust our solution to:

Improve the productivity of their teams with our AI-powered Collaborative Experience Platform integrated with both Google and Microsoft collaborative suites,

Transform employees into real ambassadors of their company,

Make employees more efficient and better connected to their peers and relevant information, regardless of their location, with the tools and information they need at their fingertips,

Help companies reduce turnover, accelerate employee onboarding, better collaborate and share knowledge, and even improve their customer experiences.

With a team of over 600 Lumies spread across 11 offices (Lyon, Paris, Lille, Sophia Antipolis, London, Barcelona, Hamburg, Austin, Tokyo, Zurich, Krakow), we support large enterprises all around the world. Over the past year, we have been driving an ambitious phase in our journey under the impulse of our new shareholder Bridgepoint, aimed at propelling us to become the clear leader in our market and shine worldwide in our industry. We are looking for individuals who are excited to actively participate in this transformation.

If these core values sound like you: "be bold, do amazing things", "say what you mean, do what you say", "one team, same mission", "always be evolving": apply now!

*Team*

As a Senior AI Engineer, you will play a pivotal role in our mission by designing, building, and deploying cutting-edge AI solutions for our customers. This high-impact role gives you the ability to shape how AI is used and perceived across an entire industry. You will catapult your career with opportunities to showcase your work alongside industry leaders, as we recently did with .

You will collaborate closely with one of our dedicated product squads to design, implement, and deploy AI solutions for our customers. Working alongside our talented technical and product teams, you will have ample opportunities to grow your career.

Our tech stack:

- AI: We make use of the best of Google Vertex AI technologies, we build agents with AWS Strands
- Cloud Infrastructure as Code: We operate on GCP and AWS across multiple regions and we manage our infrastructure using Spacelift and Terraform.
- Container Orchestration: Our services run in containers using Kubernetes (EKS and GKE) managed with Helm and FluxCD/ArgoCD.
- Backend Services: Predominantly built in Python.
- Data Stores: We utilize PostgreSQL, MySQL, ClickHouse, BigQuery, Redis, and Elasticsearch.
- Monitoring and Logging: Implemented through Prometheus, Datadog, Grafana

*Missions*

- Integrate cutting-edge AI models into our products
- Deploy and maintain AI solutions in production
- Collaborate with product squads to add AI-driven features
- Develop and automate MLOps pipelines and infrastructure
- Monitor and enhance the quality and cost effectiveness of our AI services
- Ensure AI systems are fair, ethical, and unbiased

*Skills*

- Proven experience as a Software Engineer with 5+ years in backend development
- Strong programming skills in Python
- Solid understanding of Generative AI and Deep Learning models (classification, regression, clustering)
- Solid understanding of machine learning frameworks and libraries (e.g., TensorFlow, PyTorch, scikit-learn)
- Proven ability to rapidly prototype and iterate on deploying Generative AI solutions
- Knowledge and Experience in techniques to deliver high quality output from Large Language Models
- A high degree of pragmatism, focus on shipping fast and able to adapt to changing business needs that go hand in hand with the speed of innovation in AI

*Bonus*

- Strong programming skills in Java
- Experience shipping machine learning models to production
- Familiarity with MLOps pipelines and infrastructure for LLMs in the cloud
- Open source contributions in this space
- Relevant scientific publications in AI/ML

Why You'll Love Working at LumApps

We're proud to offer a work environment where people feel supported, valued, and empowered. Here's a peek at what we offer:

If you are based in France:

Hybrid work model - 2 days at the office, 3 days remote

RTT days - ~10 extra days off per year

Meal vouchers (SWILE) + free snacks & coffee

Yoga classes-Take a mindful break in our Paris office

Supportive parental leave and family moments - yes, even a Christmas party for your kids !

Health insurance (ALAN) - 60% covered + full life & disability cover

Afterworks, team celebrations & seasonal parties

Equipment of your choice

French & English lessons, professional development & access to Leeto CSE

If you are based in Poland:

Phone & Home Internet costs reimbursement up to 80 PLN/month

Private health care package with Luxmed - covered for you and partially for your partner / family

Cafeteria benefits - monthly budget to cover sport cards or other purchases

Creative Allowance - paid as 1000 PLN gross/month

Home office set-up reimbursement up to 1000 PLN

Personal Learning & Development Budget of 1500 USD/year

26 days of annual leave/year and2 Mental Health days off per year

We aim to celebrate diversity and are committed to creating an inclusive environment for all employees. We encourage applications from candidates of all backgrounds, identities, and experiences.