Junior ML Engineer: Build & Deploy AI Systems

Giotto; Lausanne; Hybrid; CHF 90,000 - 120,000; Full time

Job summary

Giotto.ai is a Swiss AI company building advanced intelligence systems for Switzerland and Europe. We are hiring a Junior Machine Learning Engineer to join our research and engineering teams to build, test and deploy AI systems based on large language and reasoning models.

You will turn research prototypes into reliable software, gaining hands-on experience with model inference, data pipelines, APIs, GPU infrastructure and production deployment.

Qualifications

• Master’s degree in a technical field or near completion.
• Strong Python programming skills.
• Practical experience with PyTorch or another modern ML framework.
• Familiarity with large language models and Transformer architectures.
• Understanding of software-engineering fundamentals, including testing and version control.
• Experience through thesis, internship, university project, open-source or personal project.
• A practical problem-solving mindset and willingness to work across the stack.
• Clear communication skills and a collaborative mindset.

Responsibilities

• Develop and maintain Python components for machine learning applications.
• Integrate, fine-tune and evaluate Transformer-based models.
• Help build data-processing, training and inference pipelines.
• Support deployment of models into reliable applications and services.
• Measure and improve model performance, latency and resource usage.
• Write tests and contribute to code quality, documentation and reproducibility.
• Investigate technical problems across models, software and infrastructure.
• Work closely with researchers to turn experimental code into maintainable systems.
• Learn how AI workloads are deployed across cloud, private and on-premises infrastructure.

Skills

Python programming

Transformer models

Software engineering fundamentals

Communication skills

Problem-solving mindset

Education

Master’s degree in computer science, AI, ML, software engineering or related field

Tools

PyTorch

Hugging Face

Docker

APIs

Linux

Kubernetes

Ray

vLLM

Job description

Giotto.ai is a Swiss AI company building advanced intelligence systems for Switzerland and Europe. We are hiring a Junior Machine Learning Engineer to join our research and engineering teams to build, test and deploy AI systems based on large language and reasoning models.

You will turn research prototypes into reliable software, gaining hands-on experience with model inference, data pipelines, APIs, GPU infrastructure and production deployment.