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Sólides

Senior Data Scientist

Sólides

Data Scientist leading ML projects for talent management at Sólides, a Brazilian HR tech company. Responsibilities include model development, collaboration, and mentoring.

Posted 7/25/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in leading data science projects, developing and refining Machine Learning models, and ensuring model quality and governance. Proficient in translating complex business problems into actionable data-driven solutions while mentoring junior team members.

Highest-signal resume keywords
Machine Learning Model DevelopmentAdvanced Python ProficiencySQL Data AnalysisCloud Environment ExperienceApplied Statistics Knowledge

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Machine LearningData AnalysisPredictive ModelingNatural Language ProcessingRecommender SystemsHypothesis TestingData GovernanceModel ExplainabilityStatistical AnalysisData Visualization
Soft Skills
Analytical SkillsCommunication SkillsMentoringCollaborationProblem-Solving
Tools & Technologies
Python LibrariesAWSGCPGitMLflowKubeflowPandasNumPyScikit-learnXGBoost
Certifications & Qualifications
Master's DegreePh.D.
Industry Keywords
Data ScienceSaaSHR TechPeople AnalyticsMLOps

Tech Stack

Tools & technologies
AWSGoogle Cloud PlatformNumpyPandasPythonScikit-LearnSQL

About the role

Key responsibilities & impact
  • Lead the end-to-end data science project lifecycle, from understanding the business problem to deploying and monitoring models in production
  • Develop and refine Machine Learning models (supervised and unsupervised) applied to recruitment, selection, retention, and engagement
  • Perform complex exploratory analyses to uncover patterns and hidden opportunities in user behavior
  • Work closely with Product and Engineering teams to integrate data solutions directly into the platform
  • Ensure model quality and governance, focusing on bias mitigation and explainability (XAI)
  • Mentor junior team members, promoting best practices in coding, experimentation, and scientific rigor
  • Communicate technical findings clearly and strategically to stakeholders across the company

Requirements

What you’ll need
  • Proven experience in senior-level Data Science projects, preferably in product-oriented (SaaS) environments
  • Advanced proficiency in Python and its main libraries (Pandas, NumPy, Scikit-learn, XGBoost/LightGBM)
  • Advanced SQL skills for handling large datasets and extracting insights
  • Deep knowledge of applied statistics, hypothesis testing, and predictive modeling
  • Experience with cloud environments (AWS or GCP) and version control tools (Git)
  • Strong analytical skills and the ability to translate business problems into data-driven solutions
  • Experience with Natural Language Processing (NLP) and LLMs (Generative AI) is a plus
  • Experience with recommender systems is a plus
  • Familiarity with MLOps practices (MLflow, Kubeflow, or similar) is a plus
  • Prior experience in HR Tech or People Analytics is a plus
  • Master's or Ph.D. in quantitative fields (Statistics, Mathematics, Computer Science, Engineering) is a plus

Benefits

Comp & perks
  • Meal allowance / food voucher of R$45.00 per business day (Sólides Benefits Card)
  • Transportation voucher or fuel allowance
  • Unimed health plan with co-payment, no monthly fee
  • OdontoPrev dental plan, fixed monthly fee of R$21.91
  • Therapy: partnership with Psicologia Viva — 3 free sessions per month
  • Online courses ranging from culinary to postgraduate programs (Qualifica)
  • Access to all courses from the Escola de Pessoas
  • Home office allowance of R$60.00 (Sólides Benefits Card)
  • English course (English Pass)
  • Perks (on-site manicure, healthy snacks, and more)
  • Birthday day off
  • Totalpass
  • Childcare assistance for parents with children up to 3 years and 11 months
  • Assistance for dependents with special needs (also extended to parents)
  • Ânima ecosystem agreement (discounts on undergraduate and postgraduate courses within the group's institutions)
  • Partnerships with OnHappy and SESC
  • Super flexible dress code