About the role

Blockchain & Fraud Models Analyst at ClearBank developing monitoring controls for blockchain-based products. Collaborating with multiple teams to enhance financial crime analytics capabilities.

Responsibilities

Design, develop, tune and maintain rules and models for blockchain transaction monitoring and fraudulent payment screening, ensuring strong risk coverage and operational efficiency, to support new products and clients
Analyse blockchain and payment transaction behaviour to identify emerging financial crime typologies, including cross‑chain activity, high‑risk wallet exposure and transaction velocity risks
Optimise monitoring performance by working closely with data scientists, engineers and compliance teams, enhancing rule logic, thresholds and outputs
Own the ongoing effectiveness monitoring of rules and models, including rule health metrics, dashboards and regular performance reporting
Conduct root cause analysis on monitoring incidents and model performance issues, recommending and implementing data‑driven improvements
Partner with 1st and 2nd Line of Defence teams and external vendors to ensure monitoring controls are well‑calibrated, documented and aligned to risk appetite
Contribute to strategic initiatives that enhance the organisation’s financial crime analytics capabilities, particularly across blockchain and innovative payment products

Strong subject‑matter expertise in fraud and blockchain monitoring, including rules, typologies, detection approaches and vendor tooling
A solid understanding of blockchain use cases and risks, such as digital asset trading, stablecoins, mixers and evasion techniques
Experience designing and tuning transaction monitoring or fraud rules to balance effectiveness and efficiency
Knowledge of banking payment products and their fraud risk profiles (e.g. transfers, cards, mobile and app‑based payments)
Strong analytical capability, with high attention to detail and the ability to interpret data to distinguish normal versus abnormal behaviour
Confidence communicating complex monitoring approaches and findings to non‑technical stakeholders across technology and business teams
A proactive, curious mindset with the ability to identify data quality issues and continuously improve financial crime controls.

We're flexible – We support a culture of flexibility which allows our employees to achieve a strong work-life balance.
Offices – Work in a way that works for you – whether that’s in the London office, at home, or hybrid.
Holiday – 27 days of annual leave per year, plus bank holidays.
Holiday buy/sell - Buy or sell up to five days of annual leave each year and shape your year around what matters most.
Work abroad – You have the flexibility to work outside of the UK for up to 30 days in a rolling 12-month period.
Socials – Regular social events open to all.
Holiday swap – Option to swap your bank holidays to any other day of your choice.
Wellbeing – 24/7 employee assistance programme including mental health support, life assurance and income protection.
Bigger than ClearBank – Take a couple of days per year to do something that matters to you.
Healthy living – Private healthcare and discounted dental cover, with employee perks and discounts.
Family – Enhanced family-friendly leave.
Personal development – We offer personal development budgets, opportunities to take part in role-related training and unlimited LinkedIn Learning.
The opportunity to be part of an incredible team that’s building a tech-bank fit for the future.