BHOUT

Junior AI & Machine Learning Engineer

BHOUT

full-time

Posted on:

Location Type: Hybrid

Location: Lisbon • Portugal

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Job Level

Junior

Tech Stack

NumpyPandasPythonScikit-LearnSQL

About the role

  • Analyze and process tabular performance data from existing pipelines.
  • Design, train, and evaluate machine learning models for prediction, clustering, and recommendation tasks.
  • Define and track relevant metrics, identifying trends and patterns over time.
  • Develop data-driven systems to forecast user performance and progression.
  • Build personalized recommendation systems based on user metrics.
  • Perform data cleaning, preprocessing, and feature engineering.
  • Collaborate with Computer Vision and app teams to integrate outputs into the broader product.
  • Ensure models are efficient and suitable for low-latency environments when required.

Requirements

  • 2+ years of experience in Machine Learning and Data Analysis.
  • Strong experience working with tabular data.
  • Proficiency in SQL and experience with database management.
  • Experience with data cleaning, preprocessing, and visualization.
  • Solid understanding of core ML algorithms such as PCA, t-SNE, K-means, Decision Trees, Bagging & Boosting (XGBoost), least squares, ARIMA, among others.
  • Proficiency in Python, including libraries such as Pandas, NumPy, and Scikit-learn.
  • Experience training, evaluating, and deploying ML models.
  • Good understanding of model evaluation metrics and validation techniques.
  • Awareness of resource constraints (memory, compute, latency).
  • Strong academic background (Master’s or PhD in a relevant field preferred).
  • Ability to work in multidisciplinary teams.
  • Nice to have: Experience with NLP, conversational AI, or language models.
  • Experience with multimodal AI (e.g., vision-language models, CLIP).
  • Familiarity with speech synthesis or voice-based interaction systems.
  • Understanding of edge AI frameworks such as TensorRT, TFLite, or ONNX Runtime Mobile.
  • Experience with MLOps tools such as MLflow or Weights & Biases.
  • Experience deploying chat models or AI assistants, ideally in fitness, gaming, or sports coaching contexts.
  • Familiarity with reinforcement learning from human feedback (RLHF).
Benefits
  • Play BHOUT: You and your family members can enjoy our special BHOUT Club Memberships.
  • Competitive Compensation: Competitive salary and performance-based Bonuses.
  • Extra Time Off: Enjoy 25 vacation days per year, plus 3 additional days off on your birthday, Christmas Eve, and New Year’s Eve.
  • Health Insurance: Access to a wide network of clinics and hospitals, negotiated rates, and reimbursement of medical expenses. For you and your immediate family, in Portugal only.
  • Work-Life Balance: Work on your own terms with BHOUT's Flexible Hours and Remote Work Options!
  • Entrepreneurial Environment: Dynamic atmosphere where every voice is heard, and every idea has the potential to make a significant impact.
  • Team Get-Togethers: Regular Team Events and Off-sites to foster Collaboration and Camaraderie!
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Machine LearningData AnalysisSQLData CleaningData PreprocessingData VisualizationPCAt-SNEK-meansPython
Soft Skills
CollaborationTeamworkCommunicationProblem SolvingAnalytical Thinking
Certifications
Master’s DegreePhD