Internship Program: Python Software Developer in Madrid


Share offer

Job Description

We are looking for a software developer for our squad in charge of enhancing how we do Data Science here at Nextail. We are looking for a generalist who loves learning new things and facing new challenges but we also value if you have some experience about specific topics such as scalability, XP practices, algorithms, web development, etc.

If you believe that your experience doesn’t fully match, don't hesitate to contact us, we are always open for the right candidate!

At Nextail, we empower retailers to create better experiences while using fewer of the world's resources. Nextail’s cloud-based platform uses artificial intelligence, prescriptive analytics, and optimization to deliver agile merchandising decisions. To date, we’re backed by more than $12M in funding from leading venture capital investors and are working with global retailers like Versace, River Island, and Pepe Jeans.

We offer:

  • Paid internship: Your work will be rewarded and comes with the opportunity to convert into a permanent job.

  • Mentoring Program: We will invest in you to gain knowledge and mentor you to develop a career path.

  • 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 remote company and continues to offer a nice mix of remote and/or office-based environments around the world.

  • International environment: We operate across the globe, with recent operations reaching from Europe all the way to Australia, and our team alone consists of professionals of more than 15 different nationalities. While many of us are multilingual, our working language is English.

  • Diversity on all levels: United as a single team, we celebrate diversity at 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 a wide variety of professional fields, including technology, retail, consulting and entrepreneurship.

In this role, you’ll get to…

  • Work in a product team that maintains and evolves core algorithms used by all product modules.

  • Learn about Data Science models and contribute to their code base in Python and Java.

  • Make the Data Science team iterate faster by assessing the needs and evolving the tools.

  • Stay close to production, doing continuous deployment with special care on the quality and processes.

  • Work closely with the customer-facing teams in order to build the product the customers need.


  • Curiosity and passion about new technologies.
  • Knowledge of python and/or java is desirable. Experience in other languages will also be valued
  • You know about automatic tests and their benefits.
  • Knowledge or experience applying good development practices as SOLID, TDD, CI/CD, etc.
  • Experience or knowledge in SQL, relational or non-relational DB and cloud infrastructure is a plus.
  • Experience or knowledge of data science, big data or MLOps is a plus.
  • Business-oriented. You acknowledge software is not the end but a means to get business value (but this doesn’t mean doing crappy code).
  • You are willing to learn all business concepts and you try to understand the business motivation under the tasks you develop.
  • Self-motivated and self-organized. Good time-management and personal organization skills are essential.
  • You are fluent in English (other languages, especially Spanish, are a plus) and are interested in working in an international company.
  • You value working as a team, receiving feedback and are willing to learn.
  • You must have the ability to work through an internship agreement (“Convenio”)

*Nextail is an equal opportunity employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.

To all recruitment agencies: Nextail does not accept agency resumes. Please do not forward resumes to our jobs alias, Nextail employees or any other organization location. Nextail is not responsible for any fees related to unsolicited resumes.


About Nextail

  • Saa S

  • Madrid, Spain

  • 50-200

  • 2014


Other backend developer jobs that might interest you...