Data Scientist Large Language Models @ Cognism
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About Cognism
Cognism is the leading provider of European B2B data and sales intelligence. Ambitious businesses use our platform to discover, connect, and engage with qualified decision-makers. Headquartered in London with global offices, Cognism eliminates the guesswork from prospecting.
Our Work Model
This role can be remote or hybrid based on your location and proximity to one of our local offices.
Your Role as Data Scientist Large Language Models
You will design and implement advanced models, drive innovation through machine learning and AI, and mentor team members. Your work will shape Cognism’s data-driven products and business strategies.
Your Challenges & Opportunities
- Develop Advanced Models: Build and maintain sophisticated ML models.
- Lead Innovation: Design and pilot cutting-edge predictive algorithms.
- Own Projects End-to-End: Scope, design, implement, and evaluate data science solutions.
- Drive Business Value: Collaborate with cross-functional teams for measurable impact.
- Mentor Team Members: Support and guide junior data scientists.
- Shape Data Strategy: Prioritize projects and align with strategic goals.
Our Expectations
- 3+ years in data science with production-ready solutions on LLMs.
- Proficiency in Python, Spark, ML frameworks, and statistical modeling.
- Cloud proficiency with AWS services such as S3, SageMaker, Glue, and Athena.
- Advanced degree (PhD preferred or Master’s with experience) in a relevant field.
- Strong analytical and communication skills with a collaborative approach.
- Experience publishing in IR related conferences (e.g., EMNLP, ACL).
Our Tech Stack
- Python & PySpark for ML pipelines.
- AWS Ecosystem including SageMaker, S3, Glue, and Athena.
- ML Frameworks such as scikit-learn, TensorFlow or similar.
- Version control with Git and CI/CD tools.
- Data Visualization tools like matplotlib, seaborn.
- SQL & Big Data for efficient data queries.
Why Cognism?
At Cognism, you'll join a community of diverse, inclusive, and brilliant people. Our values of respect, collaboration, solution-focus, and understanding create a supportive workplace where every role matters. We encourage applications from underrepresented individuals in tech, even if you do not meet every criterion.
Key Skills/Competency
- Large Language Models
- Machine Learning
- Python
- Apache Spark
- AWS
- Statistical Modeling
- Data Strategy
- Mentorship
- Big Data
- Communication
How to Get Hired at Cognism
🎯 Tips for Getting Hired
- Tailor your resume: Highlight experience with LLMs and ML frameworks.
- Showcase project impact: Detail production-ready solutions and scalability.
- Research Cognism: Understand their data-driven culture and values.
- Prepare for technical questions: Review Python, Spark, and AWS tools.
- Emphasize mentorship: Share experience guiding junior team members.