At a Glance
- Tasks: Analyse data to uncover fraud patterns and provide insights to clients.
- Company: Join Ravelin, a fun and friendly fraud detection company.
- Benefits: Flexible hours, health insurance, wellness budget, and generous holiday.
- Other info: Enjoy team lunches, board game nights, and opportunities to give back.
- Why this job: Make online transactions safer while working with cutting-edge tech.
- Qualifications: Experience in data analysis, strong communication skills, and Python knowledge.
The predicted salary is between 45000 - 55000 £ per year.
Who are we? Hi! We are Ravelin! We're a fraud detection company using advanced machine learning and network analysis technology to solve big problems. Our goal is to make online transactions safer and help our clients feel confident serving their customers. We are a friendly bunch and pride ourselves in having a strong culture and adhering to our values of empathy, ambition, unity and integrity. We really value work/life balance and we embrace a flat hierarchy structure company-wide. Join us and you’ll learn fast about cutting-edge tech and work with some of the brightest and nicest people around.
The Role
We are currently looking for a data scientist to join a fantastic team of client-facing data scientists and client support analysts. You will be working with data scientists and crime analysts to discover patterns and trends concerning fraud in our clients' data. In this key role, you'll be applying exploratory analysis to form realistic and useful narratives from data, asking “why” as well as “what” and “how”. You will interact directly and indirectly with clients to help them understand what is happening with their fraud, and help us to target our efforts ever more precisely.
Key Responsibilities
- Work directly with clients to provide fraud analytics and ML model insights
- Analyse datasets with millions of rows to identify fraud patterns, trends and emerging threats to improve client performance
- Discuss specific fraud problems with clients, in order to deeply understand how they manifest and to propose effective and elegant solutions
- Prepare reports and present findings of analysis to clients when required
- Identify new model features and improve model performance
- Optimise the performance of our graph networks using network analysis
- Get hands on experience with our cloud infrastructure and make the most of the available tools for enhancing our clients’ data and performance
- Build internal tools in Python for optimising and improving our analytical capabilities
Skills, Knowledge and Expertise
- Experience or training as a data analyst, intelligence analyst or data scientist
- Strong critical thinking skills, intuitively curious and able to diagnose data issues
- Strong communication and presentation skills
- Diligence, attention to detail, ability to prioritise and follow through on tasks
- Experience with SQL - ability to run complex queries to answer your own questions
- Experience with Python for data analysis (object-oriented programming experience is a bonus!)
- Knowledge of supervised and unsupervised ML techniques
- Desirable: some knowledge, understanding or experience of network analysis
- Desirable: hands-on experience with DBT
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.
*Job offers may be withdrawn if candidates do not meet our pre-employment checks: unspent criminal convictions, employment verification, and right to work.*
Data Science Investigations in London employer: Ravelin Technology
At Ravelin, we pride ourselves on being an exceptional employer that fosters a vibrant and inclusive work culture. Our commitment to work/life balance, flexible working hours, and a remote-first environment ensures that our employees can thrive both personally and professionally. With generous benefits like comprehensive health insurance, a wellness budget, and opportunities for growth within a collaborative team, joining us means becoming part of a mission-driven company dedicated to making online transactions safer while having fun along the way.
StudySmarter Expert Advice🤫
We think this is how you could land Data Science Investigations in London
✨Get Involved in Data Science Meetups
Tap into local data science meetups or workshops to connect with fellow enthusiasts and professionals. These events are goldmines for networking, and sometimes even lead directly to job openings at companies like Ravelin Technology!
✨Show Off Your Projects
Start building a public portfolio showcasing your data science projects on platforms like GitHub or personal websites. Highlight unique analyses or models you've developed. This not only demonstrates your skills but also gets your name out there for roles like Data Science Investigations at Ravelin Technology.
✨Leverage Professional Networks
Join professional bodies related to data science, like the Data Science Society or similar organisations. Getting involved can lead to mentorship opportunities and insider knowledge about full-time positions at companies like Ravelin Technology.
✨Apply Directly through Our Website
When you find a suitable opening like Data Science Investigations at Ravelin Technology, make sure to apply directly through our website. It gives you an edge and shows you're keen to join our team. Plus, who doesn’t love a direct application? It’s easier than navigating through job boards!
We think you need these skills to ace Data Science Investigations in London
Some tips for your application 🫡
Show Off Your Projects:In the world of data science, your projects can speak volumes about your skills. Make sure to showcase a few key projects in your CV or portfolio, especially those that highlight your ability to work with data sets, build models, or use relevant tools like Python, R, or SQL. Don’t forget to include links to any GitHub repositories if applicable!
Quantify Your Achievements:Employers love numbers! When drafting your CV, highlight your achievements with quantifiable results. For instance, mention how your data analysis led to a certain percentage increase in efficiency or revenue at a previous job or project. These details can really make your application pop!
Craft a Tailored Cover Letter:For a full-time role at Ravelin Technology, your cover letter should reflect your passion for data science and your excitement about the specific projects or values of the company. Dive into why you’re a good fit, how your skills align with their needs, and any unique perspectives you can bring to the team.
Stand Out with Relevant Courses and Certifications:Although experience talks, relevant courses or certifications can be your ticket to impressing hiring managers at Ravelin Technology. Mention any standout courses you've completed that equipped you with essential skills, such as machine learning certifications or data visualisation courses. This shows your commitment to continuously developing your skills in the field!
How to prepare for a job interview at Ravelin Technology
✨Brush Up on Your Statistics
For a data science role, we need to seriously sharpen our statistics skills. Get ready to tackle technical questions on probability distributions, hypothesis testing, and regression analysis. These are often the bread and butter of data science interviews, so don't just skim over them!
✨Showcase Your Projects
Prepare a killer portfolio showcasing your data science projects. We should include details about the datasets used, the tools and techniques applied, and the impact of your findings. If we can walk them through a particularly challenging project or a cool visualisation that had real-world implications, it’ll really make us stand out!
✨Get Comfortable with Python and R
Most data science positions require us to be proficient in programming languages like Python and R. We should practice common libraries like pandas, NumPy, and scikit-learn, and be ready for live coding exercises or algorithm questions. Showing off our coding chops can really impress the interviewers at Ravelin Technology!
✨Prepare for Case Studies
Expect to encounter real-world case studies during the interview. We might be asked how we’d approach a data problem or analyse a dataset to extract insights. It's essential to think out loud and demonstrate our problem-solving process so that the interviewer can see our logical thinking in action.
