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Data Science Tech Lead - Automation & Innovation Department
  • Warsaw
Data Science Tech Lead - Automation & Innovation Department
Warszawa, Warsaw, Masovian Voivodeship, Polska
T-Mobile Polska
13. 12. 2025
Informacje o stanowisku

Data Science Tech Lead - Automation & Innovation Department

As a Data Science Tech Lead, you will build our data capabilities end to end: collecting, analyzing, driving insights, and delivering machine learning solutions that enhance our offerings. You will play a pivotal role in building the organization’s “data muscle,” empowering Operational and Network teams to use data for smarter decisions, operational excellence, and innovation. The role requires a seasoned professional with deep expertise in data strategy, analytics, and governance, paired with a hands‑on mindset to deliver results.

Type of contract: Direct B2B

Type of cooperation: Hybrid (to be decided)

Recruitment Only!

What tasks await you?

  • Ensure key business drivers are captured during the design of Machine Learning solutions in collaboration with product stakeholders.
  • Lead data science projects and mentor data scientists, establish standards for code quality, experimentation, documentation, and reproducibility.
  • End‑to‑end ownership of ML models on Data Science platform, from data ingestion and feature engineering to training, deployment, monitoring, and retraining.
  • Drive data strategy and governance: data contracts, quality, privacy, security, and compliance across the model lifecycle.
  • Ensure reliability of models in production (SLOs/SLAs, observability, retraining schedules, alerts).
  • Extract and analyze network and business data to identify trends, detect anomalies, and recommend improvements in service performance and customer experience.
  • Apply advanced analytical techniques and develop predictive models and algorithms that support telecom operations across the value chain.
  • Collaborate with cross‑functional teams including engineering, product, and operations.
  • Maintain and enhance the model development environment including pipelines and orchestration frameworks.
  • Visualize and explain the outcomes of the work in a way that is understandable for diverse audiences.

What skills will be appreciated?

  • Minimum 5 years of proven industry experience in data science or applied machine learning.
  • Solid business acumen, strong customer centric mindset and strategic thinker who can balance big picture strategy with tactical needs of day‑day execution.
  • Strong programming skills in Python.
  • Expert knowledge of supervised and unsupervised machine learning methods.
  • Hands‑on experience with ML libraries and frameworks such as Scikit‑Learn, TensorFlow, PyTorch.
  • Proficient with big data tools (e.g., Spark, Hadoop) and orchestration tools.
  • Solid foundation in data analytics, data visualization, data mining, statistics, and probability theory.
  • Experience with SQL and relational databases.
  • Familiar with agile methodologies and software development practices (Git, JIRA, Confluence).
  • Experience working in cloud environments (Data Robot, AWS and GCP are a plus).
  • Understanding of big data ecosystems and ETL processes.
  • Previous experience working with telecom datasets (e.g., network KPIs, customer behavior) and stakeholder management skills.
  • Strong problem‑solving skills and a proactive, detail‑oriented mindset.
  • Excellent communication skills with the ability to present findings to diverse audiences.
  • Fluent in English (written and spoken).

Seniority level

Associate

Employment type

Contract

Job function

Information Technology

Industries

Telecommunications

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