Lead Data Scientist - Jumia (Full Time)

Jumia is a leading e-commerce platform in Africa. It is built around a marketplace, Jumia Logistics, and JumiaPay. The marketplace helps millions of consumers and sellers to connect and transact. Jumia Logistics enables the delivery of millions of packages through our network of local partners.

JumiaPay facilitates the payments of online transactions for Jumia's ecosystem. With over 1 billion people and 500 million internet users in Africa, Jumia believes that e-commerce is making people's lives easier by helping them shop and pay for millions of products at the best prices wherever they live. E-commerce is also creating new opportunities for SMEs to grow, and job opportunities for a new generation to thrive.

With over 5,000 employees in more than 10 countries in Africa, Jumia is led by top talented leaders offering a great mix of local and international talents and is backed by very high-profile shareholders. Jumia is committed to creating sustainable impact in Africa. Jumia offers unique opportunities in a vibrant and booming environment, creating new jobs, new skills, and empowering a new generation.

On the Data science part, Jumia is heavily accelerating. With tons of data already gathered and usable, our intent is really to spread its use to be everyday more data-driven.

We are looking for talented people with a passion for Africa to join our team and embark on our exciting journey! 


What's this job all about?:

A key element to help Jumia grow is to use an unprecedented amount of data available to make smart decisions.

Data Science team is an agile and international team spread across different countries. Data Scientists are working closely with Big Data engineers, business stakeholders and Product owners. Data Science team is involved in various projects (to name a few):

  • Delivery route optimisation
  • Product image similarity
  • Product/Restaurant recommendations
  • User segmentations
  • User search queries segmentation
  • Fraud detection
  • Loan default prediction

To take us to the next level, we are looking for a proactive Lead Data Scientist with hands-on experience with either of the said areas.

The ideal candidate would be able to design and implement data science models, to mentor Jumia’s data-scientist and to help the company reach everyday a higher level in term of data maturity


Main responsibilities

  • Being responsible for all the data science projects of one of our verticals.
  • Handle communication with business stakeholders.
  • Lead/Mentor data scientists involved in the projects.
  • Owns business KPIs attached to the projects.
  • Develop end-to-end understanding of the business.
  • Build models considering the business problem behind.
  • Designing, implementing, and analyzing AB tests.
  • Working closely with Big Data engineers & ML engineers to deploy the models into production and ensure scalability.

Requirements:

  • PhD or Master degree (with 5+ years of experience) in data science or similar field
  • Very comfortable using pandas, numpy, scikit-learn, xgboost and matplotlib
  • Proven experience in one or more programming languages (Python, R, etc.)

  • Advanced SQL

  • Knowledge of applied statistics (fit regression curves, build predictive models, statistical significance)

  • Experience with A/B testing

  • Good communication skills

  • Nice to have: experience in NLP, Deep Learning related libs (e.g. TensorFlow, Keras, PyTorch), PySpark, Solver


We offer:

  • A unique experience in an entrepreneurial, yet structured environment

  • The opportunity to become part of a highly professional and dynamic team working around the world

  • An unparalleled personal and professional growth as our longer-term objective is to train the next generation of leaders for our future internet ventures

  • A company that is truly willing to invest effort and time in data usage


Please send your CV in English. CV in other languages will not be considered.