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Netenders·Barcelona, Spain·onsite

Senior Full Stack Developer - Freelancer

Posted 13 days ago
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Ruby on RailsReactHotwire

About the role

What you'll do

  • Lead the technical evolution and optimization of a multi-brand e-commerce ecosystem.
  • Architect and develop scalable React frontends and robust Ruby on Rails backend services.
  • Build core CMS features focusing on complex supplier integrations and high-volume data flows.
  • Design high-performance APIs and back-office tools for pricing and SEO management.
  • Ensure code quality and architectural consistency through expert-level pull request reviews.

What you should know

  • This is a freelance/contractor role with flexible remote work, preferably Barcelona-based.
  • Candidates should have a consultant mindset, designing long-term sustainable solutions.
  • The role offers autonomy but also requires mentorship and knowledge sharing with internal teams.
  • Applicants should be comfortable working on complex, data-heavy backend systems in e-commerce.
  • Experience with additional tools like Hotwire Native, ElasticSearch, Redis, or Google Cloud is a plus.

About the company

  • Netenders is an international e-commerce group operating leading online stores in Europe and North America.
  • The company is focused on innovation, developing its own cutting-edge e-commerce CMS.
  • They emphasize a diverse and inclusive culture, committed to equal employment opportunities.
  • Netenders specializes in blank and customized apparel for both B2B and B2C markets.
  • The company is in a phase of full expansion and values creativity and passion.

Key required skills

Ruby on RailsReactDockerGITREST API

Summary generated from the original posting.