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# Senior Data Scientist

- **Company:** Chainalysis Inc.
- **Location:** Greater London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Big Data, Data Structures, Python (Programming Language), Machine Learning, Operational Databases, Blockchain, SQL Databases, Apache Spark, Pyspark, Information Technology, Production Code, Terraform, Databricks
- **Published:** September 10, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840588288-senior-data-scientist

## About the Role

* A PhD in computer science, machine learning, statistics, physics, mathematics, or a related technical field - or equivalent industry experience working on advanced, data-intensive problems.
 * Expert-level proficiency in Python and SQL, with a track record of writing clean, testable, production-quality code.
 * Demonstrated experience applying advanced analytical techniques (e.g. graph algorithms, ML, statistical inference) to large, messy datasets.
 * Comfort working with EVM-based blockchain data, or strong evidence of the aptitude to ramp up quickly on EVM data structures and protocols.
 * A demonstrated ability to take ownership of projects: decomposing requirements, driving them to completion, and proactively seeking clarity from stakeholders.
 * An analytical, open-minded approach to problem solving - comfortable navigating ambiguity and willing to dive into problems outside your day-to-day scope.
 * Strong written and verbal communication skills, including the ability to explain complex methodology to diverse audiences., * Familiarity with Databricks, DBT, Spark/PySpark, or similar large-scale data platforms.
 * Modified infrastructure-as-code (e.g. Terraform) or contributing to production data pipelines.
 * Mentored junior data scientists or engineers.
 * Knowledge of, or passion for, the cryptocurrency and blockchain space.

## Description

* Own the execution of one or more production data science projects, translating broad problem statements into well-scoped tasks and credible analytical results that meet stakeholder expectations.
 * Design, develop, and validate novel behavioral heuristics and algorithms over EVM (and other) blockchain data to attribute on-chain activity and uncover new insights.
 * Apply advanced techniques including graph computation, statistical modeling, and machine learning to large-scale on-chain datasets.
 * Identify and resolve inefficiencies in code, methodology, and workflows; ensure your work integrates cleanly into our production data and tooling stack.
 * Clearly articulate and defend methodology and results to both technical and non-technical stakeholders, maintaining alignment through consistent communication.
 * Mentor junior team members, contribute to technical hiring, and share knowledge.
 * Collaborate closely with peers to bring research from prototype to production.


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