Lead Product Data Scientist - MBB Consultancy exp highly desirable
6 month contact - hybrid
About the Role
We are looking for a talented Data Scientist to join a growing product team developing advanced decision-support software that helps optimise complex operational environments.
Working as part of a cross-functional product squad, you will design, build and industrialise machine learning and optimisation solutions that drive real-world business outcomes. This is an exciting opportunity for someone who enjoys solving complex problems, building production-grade data science solutions and working closely with software engineers, product managers and business stakeholders.
What You'll Be Doing
As a Data Scientist, you will be involved throughout the product life cycle, from identifying opportunities through to delivering robust, production-ready solutions.
Responsibilities include:
- Understanding business challenges and identifying opportunities where data science and optimisation can improve decision‑making.
- Conducting analytical investigations and data visualisation to uncover insights and evaluate potential solutions.
- Developing and validating machine learning and optimisation models in Python.
- Building scalable, production‑ready features using software engineering best practices.
- Creating automated and resilient data processing and data quality pipelines.
- Integrating models into orchestration frameworks and cloud‑based deployment environments.
- Implementing testing, monitoring, logging and error‑handling capabilities to ensure reliability.
- Working closely with stakeholders to gather requirements, demonstrate value and support product adoption.
- Contributing to product roadmap discussions and helping balance short‑term delivery with long‑term product value.
- Collaborating within an Agile development environment, including code reviews, documentation and continuous improvement activities.
What We’re Looking For
Essential Skills & Experience
- Strong expertise in machine learning, optimisation, operational research, or a combination of these disciplines.
- Proficiency in Python and common data science libraries such as pandas, NumPy and scikit-learn.
- Experience applying analytical techniques to solve real-world business problems.
- Strong SQL and data engineering capabilities.
- Experience working with cloud platforms, ideally AWS.
- Familiarity with Git version control and software development best practices.
- Experience writing and maintaining automated tests.
- Excellent communication skills with the ability to explain complex technical concepts to both technical and non-technical audiences.
- Strong problem-solving, prioritisation and stakeholder management skills.
Please note that this role will require travel to Barcelona.
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Lead Product Data Scientist employer: Lorien
As a leading employer in the Cyber Security sector, we offer an engaging work culture that prioritises collaboration and innovation. Our Stevenage location provides a dynamic environment where employees can thrive, with opportunities for professional growth and development, including support for further security clearances. Join us to be part of a team dedicated to countering cyber threats while enjoying competitive pay and a commitment to employee well-being.
