About the Role We are seeking a Data Scientist with
experience to join our Data Science team. This new team member will
play a crucial role in developing data science solutions from
conception to implementation as we continue to enhance the world of
retail and make it more sustainable. At Nextail, we empower
retailers to create better experiences while using fewer of the
world's resources by selling more with less inventory. Nextail’s
cloud-based platform uses artificial intelligence, prescriptive
analytics, and optimization to deliver agile merchandising
decisions. To date, we are working with general retailers like River
Island, Guess, Flying Tiger or Pepe Jeans. Key Responsibilities
Developing Solutions: contributing to the development of data
science solutions from idea to maturity, with a main focus on
demand forecasting and optimization models. Collaborating: Working
closely with product managers, developers, data engineers, and
business experts to solve end-to-end problems. Applying Techniques:
Utilizing data science techniques including ML, SQL, optimization,
simulation, and visualization to address business challenges.
Learning and Growing: Embracing a culture of continuous learning
and growth, staying up-to-date with the latest methodologies and
best practices in data science. Analyzing and Communicating:
Analyzing and understanding complex data, extracting insights, and
effectively communicating findings to stakeholders. Supporting
Operations: Monitoring models in production, measuring their impact
on the business, and iterating to improve performance over time.
Requirements Experience: at least 3-4 years of experience working
as a data scientist,



or in a related field. Education: Background
in computer science or a related field. Programming Skills:
Proficiency in programming languages, Python is a must. Solid
understanding of software engineering best practices, including GIT
and CI/CD. Technologies: Familiarity with tools such as Notebooks,
Databricks, databases, and Snowflake (a plus). Machine Learning:
Experience in deploying machine learning models in production (our
main operating model is LightGBM). Language Skills: High
proficiency in English. Adaptability: Ability to thrive in a
fast-paced, dynamic environment and willingness to learn new
technologies and methodologies. We Offer: A highly innovative and
fast-paced environment: As in any startup, expect to find a team
with an interesting mix of business profiles, IT geeks, data
scientists, and as a fashion tech startup, a few fashion victims.
High flexibility: We’re strong believers that what matters most are
results. Each Nextailer is empowered, through trust and ownership,
to organize their time as they see fit without jeopardizing the
time or work of their colleagues. Remote-first philosophy: Nextail
started as a small company and continues to offer a nice mix of
remote and/or office-based environments around the world. Diversity




on all levels: United as a single team, we celebrate diversity in
every dimension. Professionally speaking, are you ready to work
alongside tech geniuses, data science magicians, and fashionistas?
You’ll have teammates with extensive experience in various
professional fields, including technology, retail, consulting and
entrepreneurship The laptop of your choice: We want you to work
with the tools that are most comfortable for you! Flexible
compensation plan: We offer a competitive salary as well as company
equity. Learning allowance: Nextail provides a dedicated individual
budget to be spent in training and self development that enhance
your skillset. What makes Nextail, Nextail? Our values guide how we
work, grow, and succeed together. From Start to Success – We own it
from start to finish. Their Shoes, Our Path – Customer success
guides our path. Nextcellence – We raise the bar every day. We Care
– People matter here. Less, and Better – Simple solutions, real
impact. Speak Freely, Listen Openly – Open minds. Honest
conversations. Nextail is an equal-opportunity employer. We are
committed to fostering an inclusive environment regardless of race,
color, ancestry, religion, gender, sexual orientation, age,
citizenship, marital status, disability, gender identity, or
veteran status. To all recruitment agencies: Nextail does not
accept agency resumes. Please refrain from forwarding resumes to
our jobs alias, Nextail employees, or any other organization
location. Nextail is not responsible for any fees related to
unsolicited resumes.

📌 Data Scientist (Madrid)
🏢 Nextail
📍 Madrid