Job Title:Principal Data Scientist
Salary:£100,000 - £130,000 + bonus + benefits
Location:London - 3 days p/w in-office
Tech:Python, AWS, Spark, Dataiku, Airflow, SnowFlake, ML/NLP, Predictive Modelling
*Sponsorship is not on offer for this role
The Company:
Immersum are partnered with a high-growth data company that’s redefining how organisations engage with household and location-level intelligence. Their proprietary datasets and predictive modelling techniques power smarter decision-making across marketing, commercial, and customer functions. With a growing client base and investment in AI/ML innovation, this business is building out a world-class data science function to lead the next phase of its scale-up journey.
The Role Requirements:
This is a unique opportunity to join a small but fast paced company delivering AI and ML solutions at scale. You’ll lead a small but high-performing team, own the technical roadmap, and drive innovation across machine learning, data products, and modelling infrastructure.
What you’ll be doing:
- Leading AI/ML strategy and building scalable, production-ready models
- Mentoring and growing a strong data science team
- Driving the use of predictive analytics in key product and commercial areas
- Collaborating cross-functionally with engineering, product and senior leadership
- Championing responsible, ethical use of data in line with GDPR and industry standards
What you’ll bring:
- 10+ years in data science or applied AI/ML roles, including senior leadership
- Deep expertise in ML, NLP, predictive modelling, and advanced analytics
- Strong programming ability in Python, with experience across cloud and data platforms (e.g. AWS, Spark, Dataiku)
- Commercial mindset and strong stakeholder engagement skills
- Passion for applying data science to real-world business challenges
Why Join:
- High-impact leadership role with real strategic ownership
- Shape the future of an ambitious, data-first scale-up
- Hybrid working, flat structure, and a leadership team that values innovation
- Be part of a business with unique proprietary datasets and real momentum
