Data Science

Job description

Who are we?

Jeff ( is a platform for services that promote ‘the good good life’. Through our app, we offer laundry, beauty and fitness services, all designed to make you look good and feel good. Our business model combines our tech platform with Jeff franchises, so you can also find our hubs in your neighbourhood. We currently have more than 1700 hubs in more than 30 countries throughout Asia, Latin America, Europe and Africa.

Our Culture

We are a team of more than 600 people from all over the world and based in Valencia (Spain). We are innovators, we are creative, curious and we take risks, always working together, shoulder to shoulder. We all share Jeff’s culture, which makes us #TheGoodGoodTeam and drives us to achieve every goal we set our minds to.

Are you the one?

We are looking for a highly motivated Senior Data Science based in our headquarters in Valencia. You need to enjoy working in a fast-paced, dynamic environment and be very result-oriented.

Do you think you have what it takes? Read on!


What will you do? Role highlights

    • Develop & Deploy machine learning and AI solutions, thinking on scalability.
    • Collaborate and Communicate to various project stakeholders.
    • Identify business opportunities to apply advanced analytics.
    • Ability to lead a specific project, from the beginning to the end.
    • Improve and discuss new technologies and method to achieve the goals purposed.

    Technical requirements:

    • 5+ years of industry work experience as Data Science.
    • A Bachelor's degree in Engineering, Computer Science, Math, Statistics or similar. MSc is a plus.
    • Strong mathematical knowledge of Machine Learning techniques and the steps to develop them: preprocessing, feature engineering/selection, training...
    • Knowledgeable with Data Science tools and frameworks (i.e. Python, Scikit-learn,, Numpy, Pandas, Koalas, TensorFlow, Keras, R, Spark).
    • Experience on best practice model deployment (MLFlow, Kubeflow).
    • Proficiency of SQL programming.

    If you join our team you will….

    • Meet exciting challenges and grow professionally
    • Form part of #Thegoodgoodteam, an international team of innovation and collaboration
    • Live in Valencia, the city of sun, beach and culture
    • Perfect your English with native-speaking teachers
    • Enjoy #Thegoodgoodlife: flexible hours with an early finish on Fridays
    • Have Mr Jeff will wash and iron your clothes for you
    • Join the team and learn more about Jeff at events, meetups and team building activities
    • Enjoy free fruit deliveries to help keep you healthy