Lead Data Scientist

Job ID
2025-13049
# of Openings
1
Job Locations
Remote - Portugal
Additional Locations
PL | PL
Category
Engineering and Testing

Overview

The Data Scientist 4 is responsible for designing, developing, and delivering advanced machine-learning and AI-driven software capabilities that power Hyland’s commercial products and platforms. This role blends deep engineering expertise with applied data science, enabling scalable features, intelligent automation, and production-ready ML systems.

Responsibilities

  • Design and implement robust, scalable machine-learning services and components for inclusion in customer-facing software.

  • Build efficient data pipelines to collect, clean, normalize, and transform structured and unstructured data used by ML features.

  • Architect and implement model-training workflows, model-versioning strategies, and evaluation pipelines for ongoing improvement.

  • Conduct exploratory data analysis (EDA), feature engineering, and statistical evaluations to support model development.

  • Apply advanced statistical methods, A/B testing frameworks, and hypothesis-driven experimentation to validate model performance.

  • Prototype and evaluate new machine-learning models, deep-learning architectures, and embeddings strategies aligned to product needs.

  • Develop predictive, generative, and analytical models that enable automation, forecasting, classification, clustering, recommendations, or other product capabilities.

  • Optimize models for performance, cost, latency, and scalability across CPU/GPU environments.

  • Stay informed on the latest advancements in AI, ML, LLMs, vector databases, and retrieval frameworks; transform them into real-world product features.

  • Develop clear internal documentation on model behavior, data flows, architectural decisions, and operational considerations.

  • Establish and evolve engineering standards for ML/AI development, including testing strategies, monitoring, observability, and reliability.

  • Contribute to a shared knowledge base of best practices for ML engineering and applied data science across the organization.

  • Operate as a technical expert and trusted advisor to product engineering teams, helping shape AI feature roadmaps and implementation strategies.

  • Communicate complex statistical or modeling concepts to engineers, architects, and product leaders in clear, actionable ways.

  • Provide mentorship and technical guidance to junior team members and help strengthen the organization’s AI engineering maturity.

Basic Qualifications

  • Bachelor’s degree in Computer Science, Engineering, Mathematics, or related technical discipline (or equivalent experience).

  • Significant experience developing machine-learning or AI-based software systems in production environments.

  • Mastery of Python and applied machine learning libraries (TensorFlow, PyTorch, scikit-learn, Pandas).

  • Deep understanding of statistical modeling, hypothesis testing, probability theory, and mathematical optimization.

  • Demonstrated expertise with relational, NoSQL, big-data, or graph databases, with strong ability to architect data structures for ML workloads.

  • Experience building and deploying APIs, microservices, or distributed systems that run ML inference at scale.

  • Strong experience with data visualization and model-explainability tools (Jupyter, Tableau, Plotly, or equivalent).

  • Ability to articulate complex technical concepts clearly in both written and verbal communication.

  • Strong critical-thinking and analytical problem-solving abilities.

  • Experience mentoring or supporting developing engineers or data scientists.

  • Up to 5% travel required.

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