Junior Data Scientist

This is a fully remote position, open to applicants in United Kingdom.

📋 Description

• Develop and implement infrastructure for model evaluation and training.

• Create and deploy innovative models to identify fraudulent activities while adhering to service level agreements (SLAs).

• Write new features within the production infrastructure.

• Explore new methodologies to counteract fraudulent behavior.

• Analyze model performance issues drawing from experience in debugging models.

• Train, deploy, troubleshoot, and assess fraud detection models.

• Examine ambiguous fraud cases and evaluate model accuracy.

• Construct resilient models that can adjust to emerging fraud techniques.

• Progress incrementally and safely towards improved models for clients.

• Work in collaboration with Data Engineering and Intelligence & Investigations teams.

⛳️ Requirements

• Approximately 1 year of experience in building and deploying machine learning models using the Python data stack (including numpy, pandas, sklearn, or pytorch).

• Strong analytical abilities.

• Excellent collaboration skills with colleagues beyond your immediate team, such as client support or engineering teams.

• Proficiency in conveying complex technical concepts to diverse audiences.

• Ability to prioritize tasks and manage your workload effectively.

• Comfort in working within a hybrid team environment.

• Successful completion of pre-employment checks, including verification of unspent criminal convictions, employment history, and right to work.

🏝️ Benefits

• Flexible Working Hours & Remote-First Environment — Work when and where you’re most productive, with flexibility and support.

• Comprehensive BUPA Health Insurance — Stay covered with top-tier medical care for your peace of mind.

• £1,000 Annual Wellness and Learning Budget — Prioritise your health, well-being and learning needs with funds for fitness, mental health, and more.

• Monthly Wellbeing and Learning Day — Take every last Friday of the month off to recharge or learn something new, up to you.

• 25 Days Holiday + Bank Holidays + 1 Extra Cultural Day — Enjoy generous time off to rest, travel, or celebrate what matters to you.

• Mental Health Support via Spill — Access professional mental health services when you need them.

• Aviva Pension Scheme — Plan for the future with our pension program.

• Ravelin Gives Back — Join monthly charitable donations and volunteer opportunities to make a positive impact.

• Fortnightly Randomised Team Lunches — Connect with teammates from across the company over in person or remote lunches every other week on us.

• Cycle-to-Work Scheme — Save on commuting costs while staying active.

• BorrowMyDoggy Access — Love dogs? Spend time with a furry friend through this unique perk.

• Weekly Board Game Nights & Social Budget — Unwind with weekly board games or plan your own socials, supported by a company budget.