Data Science Specialist (Python)

AI Applications & Data Science Consultant

Talan is an international consulting group specializing in innovation and business transformation through technology. Headquartered in Paris and operating globally, Talan combines technology, innovation, and empowerment to deliver measurable results for our clients. Over the past 22 years, we’ve built a strong presence in the IT and consulting landscape, and we’re on track to reach €1 billion in revenue this year.

Data & Technologies: We design and implement large‑scale, end‑to‑end architecture and data solutions, including data integration, data science, visualization, Big Data, AI, and Generative AI.

Cloud & Application Services: We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency.

Management & Innovation Consulting: We lead business and digital transformation initiatives through project and change management best practices (PM, PMO, Agile, Scrum, Product Ownership), and support domains such as Supply Chain, Cybersecurity, and ESG/Low‑Carbon strategies.

We work with major global clients across diverse sectors, including Transport & Logistics, Financial Services, Energy & Utilities, Retail, and Media & Telecommunications.

You will join a leading global R&D environment where advanced AI‑driven applications support researchers in their daily work—from data analysis and statistical modelling to predictive insights and dashboarding.

These applications, built mainly with Shiny (R) and Streamlit (Python) , are part of a growing analytics ecosystem running on a dedicated internal platform. The mission combines maintenance of existing AI/statistical tools and development of new data‑driven applications based on real user needs.

Investigate and fix issues in AI algorithms (bugs, performance, data pipeline failures)

Maintain and improve existing Shiny (R) and Streamlit (Python) applications

Optimize and refactor Python and R codebases

Manage data pipelines and connectors (APIs, databases, files)

Conduct testing (UAT, unit tests, integration tests)

Collaborate with data scientists, statisticians, and business users

Document all developments and processes (French & English)

3–5 years of experience in Python and/or R development

• Experience with Shiny (R) and/or Streamlit (Python)
• Data manipulation (Pandas / dplyr)
• Data visualisation (ggplot2, plotly, matplotlib, altair)

Experience with Git/GitHub (PRs, branching, versioning)

Ability to work in a bilingual environment (French & English)

Experience with GCP (BigQuery, Vertex AI)

Knowledge of Docker and APIs (FastAPI, REST)

Exposure to ML frameworks (scikit‑learn, TensorFlow, PyTorch)

Statistical knowledge (PCA, hypothesis testing, DOE)

Experience with Posit / Shiny Server environments

Full‑time and permanent employment contract

Variety of benefits to support your physical, emotional and financial wellbeing: private medical insurance, life insurance, lunch and transport card as part of the flexible remuneration pack, and online language classes

Smart Office Pack

If you are passionate about data, development & tech, we want to meet you!

Talan Spain’s commitment to non‑discrimination based on gender, race, ideology, or any other reason, in accordance with the company’s "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree‑Law 6/2019).

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