16h ago

Senior Full-stack Engineer

Barcelona, Spain

โœจ $80k-$120k / yearest.

full-timesenior Hybridsoftware

๐Ÿ›  Tech Stack

๐Ÿ’ผ About This Role

You'll build experimentation frameworks and scalable activation funnels as the technical engine behind customer acquisition. Your work directly optimizes the user journey from landing page to core product experience.

๐ŸŽฏ What You'll Do

  • Design and execute A/B tests and feature pilots
  • Build backend services (Python/PHP/.NET) and frontend interfaces (React)
  • Optimize signup and activation flows to maximize time-to-value
  • Manage Webflow CMS integration and marketing platforms

๐Ÿ“‹ Requirements

  • 5+ years of full-stack engineering experience
  • Proficiency in Python, PHP, or .NET for backend development
  • Expertise in React for frontend development
  • Experience with A/B testing and experimentation frameworks

โœจ Nice to Have

  • Experience in high-growth B2B or B2C marketing environments
  • Familiarity with marketing automation platforms like HubSpot
  • Knowledge of behavioral analytics tools like Amplitude or Growthbook

๐ŸŽ Benefits & Perks

  • ๐Ÿ–๏ธ Unlimited PTO
  • ๐Ÿ’ป Remote-friendly hybrid model
  • ๐Ÿ“ˆ Stock options
  • ๐Ÿฅ Health insurance
  • ๐Ÿ“š Learning budget

๐Ÿ“จ Hiring Process

Estimated timeline: 2-4 weeks ยท AI estimate

  1. 1Recruiter callยท 30 min
  2. 2Technical interviewยท 60 min
  3. 3Hiring manager interviewยท 45 min
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