Lead Machine Learning Engineer
Visium SABarcelona, Catalonia, Spain • Valencia, Valencian Community, Spain
Posted September 30, 2025
Full Time
About the Company
Visium enables enterprise executives to define their AI & Data strategy, execute large-scale transformations, and implement AI across operations.
Job Description
We're seeking a Lead Machine Learning Engineer to own technically complex and high-impact projects, set direction for a technical team, and drive adoption of modern ML best practices. As a key member of our team, you will partner with clients to translate complex business challenges into clear technical roadmaps and deliver measurable business outcomes.
Requirements
- 6 - 8 years of experience in machine learning, data science, or related fields
- Proficiency in Python programming
- Expertise in ML/DL libraries and frameworks (e.g., Scikit-learn, TensorFlow, Keras, PyTorch)
- Experience with data visualization tools (e.g., Matplotlib, Seaborn, Power BI, Tableau, D3.js)
- Deep learning experience (e.g., RNNs, CNNs) and strong knowledge of clustering, regression, and classification methods
- Experience in designing, developing, and deploying LLM-based applications, including RAG systems, with a strong understanding of prompt engineering, vector databases, and knowledge retrieval pipelines
- Familiarity with Unix/Linux environments, REST APIs, and microservices
- Experience with ML deployment, production pipelines, and scalable architectures on platforms such as AzureML, AWS and GCP
- Experience with Data and AI platforms (Databricks, Dataiku, Snowflake)
- Demonstrated technical and project leadership, with the ability to guide complex initiatives and deliver results
- Strong mentorship skills and experience managing or coaching teams to reach their full potential
- Excellent collaboration and communication skills, capable of bridging technical and business perspectives
- Fluent in English. Other languages are a plus.
Benefits
- A yearly education budget to steep your learning curve
- A yearly sport budget because a fit body leads to a fit mind
- A position that enables you to have an impact on 1’000s of people
- An international, knowledgeable, and passionate team with a strong collaborative mindset
- Opportunity to join a talented and experienced company with proven traction in its journey
- An open and transparent culture