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Marketing Backend EngineerLABHOUSE · Spain (Remote)
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LABHOUSE

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Marketing Backend Engineer

🗓️ Posted 2026-07-29 Spain (Remote) Fulltime Hybrid ICT
💰 Salary Not shared 📊 Market 3,000 EUR–4,500 EUR/mo

About the Company

Labhouse is a fast-growing startup that builds, launches, and scales its own AI & Productivity Apps, operating under a subscription-based business model. Based in Barcelona, Labhouse was founded by Andrés Bou and Horacio Martos (Co-Founders of SocialPoint). We operate at the intersection of mobile technology, AI, and product-driven growth, with a strong focus on experimentation and performance. Would you like to make an impact as part of a company that builds the best mobile apps used by millions of users worldwide If so, discover your next challenge below.

Responsibilities

  • ● Own the end-to-end attribution and signals system, becoming the company's expert driving technical decisions and best practices across the organization
  • ● Implement and improve attribution models (Appsflyer, GA4, custom server-side) ensuring it remains accurate and reliable.
  • ● Design and maintain server-to-server integrations with ad networks (Meta, Google Ads, ASA, TikTok, Snapchat).
  • ● Ensure monitoring, QA, and debugging of discrepancies between internal data and ad platforms.
  • ● Continuously improve attribution accuracy and signal quality, through custom pipelines, experimentation, monitoring and debugging of discrepancies.
  • ● Own the long-term evolution of the platform, making thoughtful architectural and prioritization decisions that balance business impact, scalability, reliability and maintainability.

Requirements

  • ● Technical expertise:
  • ● Strong knowledge of attribution / tracking mechanisms ( pixels, UTMs, ID-based matching, MMPs, SRN, SKAN, W2A, etc.)
  • ● Previous experience enriching and sending signals from mobile apps to Ad Networks to optimize campaign performance (Meta CAPI, TikTok CAPI, Google Ads API, etc)
  • ● Proven experience with REST APIs, webhooks, API integrations and serverless environments.
  • ● Solid knowledge of SQL/NoSQL databases.
  • ● Proficiency in backend technologies such as TypeScript, Python, and Go.
  • ● High ownership and proactivity
  • ● Problem-solving and product focus:
  • ● Excellent problem-solving and analytical skills, with the ability to resolve complex technical challenges.
  • ● Eye for detail and a product-first mindset, with a passion for creating exceptional user experiences.
  • ● Self-driven, entrepreneurial attitude with the ability to work autonomously and take ownership of projects.
  • ● Communication:
  • ● Good level of spoken and written English.
  • ● Ability to collaborate effectively with cross-functional teams, including engineering, product, and marketing.

Benefits

  • ● Remote work from anywhere in Spain. If you are based in Barcelona, we would love for you to join us at the office (Barcelona Tech City) at least two days a week.
  • ● Flexible working hours.
  • ● Competitive compensation
  • ● High-end equipment for your development.
  • ● Permanent contract with competitive compensation.
  • ● A young and top entrepreneurial team in a dynamic startup environment.
  • ● Opportunity to lead, grow, and take on big challenges.
  • ● Work with cutting-edge technologies, including the chance to integrate AI models into new apps.
  • ● HIRING PROCESS
  • ● TA Interview - Initial conversation to get to know each other and understand your background.
  • ● CEO / Product Team Interview - Deep dive into your product thinking, experience, and fit with the team.
  • ● Technical Case - Practical exercise to assess your product, analytical, and strategic capabilities.
  • ● Final Interview - Final conversation to ensure alignment on expectations, culture, and role fit.
  • ● YOU SHOULD KNOW:
  • ● Labhouse is proud to be an equal-opportunity employer. However you identify or whatever your journey to this point, we welcome all candidates to apply for the position that inspires them.
  • ● Come join us and help us build a company that everyone is proud to be part of.