AI Engineer

Turn your passion into meaningful work

Joining Infomaniak means becoming part of a technological leader where you will be surrounded by the best talents to create ethical and sovereign cloud and productivity solutions.

Infomaniak is the company behind SwissTransfer and a trusted partner for leading organisations: international institutions such as the United Nations, media outlets like France Télévisions, iconic events such as the Montreux Jazz Festival and the Annecy Festival, as well as central banks, major cities and security organisations across Europe.

An independent company, B Corp certified and awarded for its data centres that push the limits of efficiency and energy recovery, Infomaniak is living proof that it is possible to build a different kind of digital world: sovereign, sustainable and beneficial for the local economy. Here, your passion will become meaningful work: you will work autonomously, take on real responsibilities and contribute to projects that impact millions of people.

We are looking for a:

Context:

Infomaniak develops an open source AI platform hosted on its own Swiss data centres. We deploy large-scale language models and build intelligent agents for our products (kChat, kMeet, kDrive). We are looking for an AI Engineer to design, implement and optimise our AI agents, with a focus on quality, reliability and user experience.

Your responsibilities :

• Design and development of AI agents using LangChain, Pydantic-AI, and RAG.

• Integration of LLMs into our products (e.g.: collaborative assistant, automatic summarisation, content generation).

• Optimisation of prompts, agent chains, and pipelines (latency, cost, accuracy).

• Collaboration with backend and DevOps teams to deploy and monitor agents in production.

• Automated testing and evaluation of agent performance (metrics, user feedback).

• Technical documentation and sharing of best practices within the team.

The profile that excites us:

• Experience with LangChain and/or pydantic-ai (agents, chains, tools, memory, RAG).

• Experience with open source LLMs (e.g.: Llama 3, Mistral, Qwen) and serving frameworks (vLLM, TGI).

• Knowledge of FastAPI or equivalent to expose agents via API.

• Interest in response quality, security, and performance and knowledge of Langfuse.

• Technical curiosity, a taste for innovative challenges and optimisation.

• Ability to rigorously benchmark to select the most suitable model.

• Ability to work in a critical environment (high SLA, high availability).

A plus if you have knowledge in:

• Experience with Docker / Kubernetes, GitLab CI, Prometheus / Grafana is a plus.

• Open source contributions or side projects are appreciated.

• You enjoy working in a team and demonstrate positive communication.

• Your humour, flexibility and team spirit are essential assets for working in a fun environment.

The technical stack we use:

• LangChain

• Pydantic-ai

• vLLM

• FastAPI

• Gitlab

• Sentry

• Qdrant

The position:

• Permanent contract

• Work rate: 80 - 100%

• Location: Geneva

• Availability: From January 2027

Recruitment process steps:

• A first technical interview to validate your skills.

• A second interview at our offices.

Why Infomaniak:

• Be part of a company shaping an ethical cloud that respects privacy, people and the environment.
• Work every day in a caring, balanced environment with your personal life and extremely stimulating with people at the forefront of their field who are committed, attentive and passionate about what they do.
• Make a real difference in the lives of millions of users worldwide. At Infomaniak, we are all united by the feeling of having real responsibilities and contributing to something bigger.
• Meet diverse people in a friendly atmosphere during very regular company outings (afterwork, skiing, cycling, theatre, etc.).
• Work in a very pleasant atmosphere and an original workspace, where meeting rooms are carefully decorated and foster inspiration as well as collaboration.
• Enjoy many other benefits such as an annual bonus encouraging soft mobility, a fitness room to keep fit, availability of electric bikes and scooters, convivial relaxation areas (rest room, video and arcade games, pinball, table football, etc.), excellent accident and loss of earnings coverage, and other surprises.

At Infomaniak, we are committed to diversity, equity and inclusion of employees in the workplace. Our job offers are open to all and all applications are evaluated equally, regardless of gender, origin, religion, sexual orientation or disability of candidates.