Feb 1, 2023

DATA SCIENTIST IN BARCELONA | RELOCATE TO SPAIN WITH WORK VISA SPONSORSHIP

You will be a part of the Data Science and Machine Learning initiatives aimed at enhancing our users' Search experiences as a Data Scientist. By addressing the issues of user-generated content, multi-language search, the uniqueness and sparsity of our catalog, and catering to the various user intents, your work will help to improve the retrieval, and particularly ranking, of our Search Engine. We sponsor visa processes for international candidates when applicable and provide legal & admin support along the process combined with a competitive relocation package.

DATA SCIENTIST IN BARCELONA | RELOCATE TO SPAIN WITH WORK VISA SPONSORSHIP | visajobshq.com

You will work closely with other Data Scientists, Product Managers, Engineers, Researchers, and Analysts to understand the product requirements and explore possible data and ML solutions. You will own the whole ML product lifecycle, from gathering the data needed, to prototyping, building, and evaluating end-to-end solutions, all within our ML Platform and following MLOps practices. You will then coordinate with the team for testing the solutions, while also exploring subsequent iterations.

Additionally, you will be encouraged to work on internal research projects, exploring new technologies and building PoCs that could ultimately become data products or insights, and be valuable for Wallapop.

Finally, you will be part of a growing Machine Learning team (7+) within the Data & Analytics department (30+).

What You Will Do

  • Take responsibility for some of the ML initiatives in the Search domain.

  • Work with a multidisciplinary team to identify opportunities, potential enhancements and gather requirements (product and tech).

  • Work with a team of Data Scientists, ML and Software Engineers to explore and build the best solutions in terms of performance and scalability.

  • Take ownership of the complete Machine Learning Workflow: ideation, data processing, model training and testing, deployment, monitoring and iteration.

  • Proactively suggest, research and prototype new data ideas.

What We’re Looking For

  • Bachelor or MsC degree in engineering, mathematics, statistics, physics, or another quantitative field.

  • Experience building ML solutions to real-life problems.

  • Experience working in the Search or Recommender Systems domains, and good understanding of the concepts and metrics in Information Retrieval.

  • Strong coding skills (Python is a must, but other languages are also valued), capable of building robust ML software.

  • Experience with common libraries and frameworks such as Pandas, Numpy, Scikit-learn, TensorFlow, Keras, PyTorch.

  • Advanced in SQL, capable of getting the data required from the appropriate sources, and building data pipelines if needed.

  • Analytical and rigorous mindset, but also innovative and proactive, with autonomy and a team-player attitude.

  • Fluent communication skills in English (both written and spoken), capable of explaining complex concepts to peers and stakeholders.

What Would Be A Plus

  • Experience working in Search problems within eCommerce or Marketplace domain.

  • Experience working within the AWS framework (Redshift, S3, Lambda), or with cloud MLaaS solutions such as Amazon SageMaker (preferably), Google AutoML, Microsoft Azure ML, Kubeflow, MLflow, etc.

  • Working with Data pipelines (Airflow, dbt) or Big Data technologies (Spark).

  • Experience with Data visualization tools (Amplitude, Looker, Tableau, or others)

Additionally to the opportunity to contribute to an agile product set up and work together towards achieving our meaningful mission, we offer the following Perks & Benefits:

  • Competitive phantom shares package for all employees

  • Generous individual learning budget of 2k per year + our very own Wallalibrary

  • Group and individual English & Spanish lessons as part of our working day

  • Private Health Insurance with Cigna

  • Flexible working hours + short Fridays

  • Flexible remuneration to deduct from gross salary (kindergarten/food/transport check)

  • Gym & Wellness plan, including physiotherapist in the office

  • Generous referral Program & Charity Donation

  • Extended newborn & adoption leave

  • Bonus for weddings & newborns

  • Wallarenta (Tax income support)

  • Monthly plan for free shipping, bumps & home-pick-up on our services

  • Wallanniversary loyalty program

  • Contribution towards your WIFI in your monthly payroll

  • One-off payment based on compensation package to go towards setting up your wallahome office

  • Relocation package (monetary support and legal advice) and visa sponsorship, if applicable

  • 26 holidays per year

  • TOP hardware of your choice (latest Apple or Windows)