Machine Learning Engineer

. Design, train, and evaluate machine learning models to address specific business problems.

Posted 7/6/2026full-timeLisboa • 🇵🇹 PortugalMid-LevelSeniorWebsite

Tools & technologies

Python

Key responsibilities & impact

Design, train, and evaluate machine learning models to address specific business problems.
Build and maintain data pipelines and infrastructure to support model development and deployment.
Deploy ML models into production and monitor their performance, reliability, and drift over time.
Identify and resolve technical issues, bugs, and blockers as they arise during development and deployment.
Work closely with team members across various departments to understand their data, processes, and needs, and adapt solutions accordingly.
Iterate on deployed models to keep them accurate, efficient, and useful as needs evolve.

What you’ll need

Bachelor's or Master's in Computer Science, AI, Machine Learning or a related field.
5+ years of experience in software development, with hands-on experience building and deploying machine learning models.
Solid coding skills (Python and relevant ML frameworks) and experience with the ML lifecycle from data to production.
Clear oral and written communication skills for working with teammates and stakeholders.
Practical, detail-oriented approach to debugging and improving models and pipelines.
Ability to manage your own tasks and prioritize effectively, even with some ambiguity.
A natural interest in ML techniques — old and new — and how they apply to real business problems.

Comp & perks

Private health insurance
Employee Assistance Programme (mental health, legal, financial support)
Home office support
Extra holidays: 2 additional days after year one, more as time goes on
Extra parental leave: 2 additional months fully paid
Gradual return-to-work support: We'll help you ease back from long breaks
Sabbatical programme for long-term employees
Training, mentorship, and growth opportunities: we'll invest in where you want to go next

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Machine LearningData PipelinesModel EvaluationPythonML Frameworks

Soft Skills

Clear CommunicationDetail-OrientedTask ManagementProblem-Solving

Certifications

Bachelor's Degree in Computer ScienceMaster's Degree in AI or Machine Learning