AI Engineer – Marketing Tools

🕒 September 21

🇪🇸 Spain – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🤖 AI Engineer

👻 Ghost score 31%

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LABHOUSE

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2021

🤖 Artificial Intelligence

⚡ Productivity

👥 B2C

Artificial Intelligence • Productivity • B2C

LABHOUSE is a Barcelona-based product studio (est. 2021) that builds AI-powered, mobile-first productivity and utility apps used by millions. Small, cross-functional teams design native iOS/Android and web products with an AI-native UX focus, on-device privacy, and growth-driven productization. The studio emphasizes fast iteration, performance marketing, and scaling (100M+ downloads across 50+ countries) and ships apps such as Cleaner GO (privacy-first storage/utility), Invoice Fly (SMB invoicing/fintech), and Summary AI (meeting and document summarization).

📋 Description

• Identify manual, repetitive, or slow Marketing processes and turn them into AI-powered tools and automations • Design and build LLM-based agents capable of reasoning, using tools, and completing multi-step marketing tasks • Build solutions for reporting, creative generation, campaign analysis, and channel optimization • Own projects end to end, from scoping problems with Marketing through designing, building, and shipping solutions • Integrate LLMs and agents with ad platforms, attribution tools, analytics, dashboards, and other data sources • Work with Growth, Performance Marketing, and ASO/SEO leads to identify high-impact AI opportunities • Measure productivity and performance gains and iterate based on real usage • Participate in interviews, technical assessment, and leadership discussions during the hiring process

🎯 Requirements

• Relevant hands-on experience building AI solutions end to end; this is not an entry-level opportunity • Strong, proven experience working with LLMs in production, including prompting, fine-tuning, RAG, or agent-based systems • Deep knowledge of agent frameworks and multi-step, tool-using workflows • Proven experience building AI tools or automations specifically for Marketing • Solid understanding of digital marketing: user acquisition, growth channels, performance marketing, SEO, ASO, ASA, and attribution • Strong Python skills • Experience integrating APIs, webhooks, and third-party tools, including ad platforms, analytics, and MMPs • Business vision and ability to identify high-leverage automation opportunities • Comfortable working in fast-moving, data-heavy environments • Ability to work autonomously, prioritize based on impact, and ship without perfect conditions • Clear communication with technical and non-technical stakeholders • A degree in Computer Science, Engineering, or a related technical field is a plus, not a requirement • Experience with agent frameworks such as LangChain, LlamaIndex, or CrewAI is nice to have • Experience with automation/workflow platforms such as n8n, Zapier, or Make is nice to have • Experience building data pipelines, dashboards, or reporting systems is nice to have • Prior startup or resource-constrained environment experience is nice to have

🏖️ Benefits

• Competitive compensation package • Hybrid work model based in Barcelona or 100% remote • High ownership from day one • Work directly with the founders and a senior, low-ego team • Real, immediate impact — tools used by every team, every day

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