Marketing Backend Engineer

Stack

Responsibilities

• ▹Own the end-to-end attribution and signals system, driving technical decisions and best practices across the organization
• ▹Implement and improve attribution models (Appsflyer, GA4, custom server-side)
• ▹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 and monitoring
• ▹Own the long-term evolution of the platform, making architectural and prioritization decisions

Requirements

• ▹Strong knowledge of attribution/tracking mechanisms (pixels, UTMs, ID-based matching, MMPs, SRN, SKAN, W2A)
• ▹Experience enriching and sending signals from mobile apps to ad networks (Meta CAPI, TikTok CAPI, Google Ads API)
• ▹Proven experience with REST APIs, webhooks, API integrations and serverless environments
• ▹Solid knowledge of SQL/NoSQL databases
• ▹Proficiency in backend technologies: TypeScript, Python and Go
• ▹High ownership and proactivity
• ▹Experience in fast-growing, product-led organizations
• ▹Excellent problem-solving and analytical skills
• ▹Good level of spoken and written English

Soft skills

What we offer

• ▹Remote work from anywhere in Spain (optional Barcelona office, 2 days/week)
• ▹Flexible working hours
• ▹Competitive compensation
• ▹High-end equipment for development
• ▹Permanent contract

About the company

Labhouse is a fast-growing Barcelona-based startup that builds and operates its own AI and productivity apps on a subscription model, founded by Andrés Bou and Horacio Martos, co-founders of SocialPoint.