Senior Data Scientist -NorthAm
- Full Time
- England
Job title: Senior Data Scientist -NorthAm
Company: Wise
Job description: Company DescriptionWise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their life easier and save them money.As part of our team, you will be helping us create an entirely new network for the world’s money. For everyone, everywhere.More about our .Job DescriptionThe team you will be joining: NorthAm Chargeback TeamOur North America Chargeback team is responsible for mitigating chargeback risk for popular US payment systems such as ACH (Automated Clearing House).The North America Chargeback team uses sophisticated machine learning models to predict the chargeback risk for ACH payments.We are looking for a capable and experienced Senior Data Scientist to be responsible for machine learning models for chargeback risk mitigation. You will own this function – be responsible for the development and maintenance of existing and new models. Together with product and engineering teams, you will develop a vision for effective chargeback risk mitigation of US payment methods.Here’s how you’ll be contributing:You will help improve operational-risk decisions, digging into huge volume of data to find insights to identify and validate new opportunities, and then bring these to life via production grade models that can be clearly monitored by our operations teamYou will introduce state of the art modelling to the domain, levelling-up the existing models to harness the latest deep learning developments in the field of fraud and suspicious activity detectionYou will help the data science team develop models for anomaly detection through prototyping model features and developing them into production ready pipelinesYou will be using our tech stack (Airflow, AWS Sagemaker, Flink, Spark, etc..) to build machine-learning workflows for automatic model training, testing, monitoring and deploymentYou will design, execute and evaluate experiments to automate operational processes using Large Language Models and other data science technologiesYour average day will include building new models, maintaining production models, evaluating new ideas, communicating findings with your team, putting out fires etc.What does it take?4+ years experience in building machine learning models on large datasets, using the right tools depending on the data volumes (we use Python, Spark, SQL, etc.)A solid knowledge of Python, and are able to make and justify design decisions in your code. You know how to use Git to collaborate with others (e.g. opening Pull Requests on GitHub) and are able to review codeFamiliarity with a range of model types, and know when and why to use gradient boosting, neural networks, regression, autoencoders, clustering or a blend of theseAn excellent understanding of statistics and can use experiments to derive decisions with degrees of certaintyConfidence in managing your own workload in order to deliver projects in a self-supervised manner, while effectively communicating your progress to your team and the wider organisationSome nice-to-haves (but not essential):Previous experience in fraud detection and / or anomaly detectionWork experience in financial institutions and knowledge of payment systemsYou have a Mathematics / Exact sciences / Engineering / Finance backgroundUnderstanding of Object-oriented programming and ability to read Java codeAdditional InformationFor everyone, everywhere. We’re people building money without borders – without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive.We’re proud to have a truly international team, and we celebrate our differences.
Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers.If you want to find out more about what it’s like to work at Wise visit .Keep up to date with life at Wise by following us on and .
Expected salary:
Location: England
Job date: Wed, 24 Jul 2024 23:44:23 GMT
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