Top Tech Jobs & Startup Jobs

Design app-store assets (icons, screenshots, banners, videos), ad creatives and branding for mobile apps. Collaborate with Product, Marketing, and Content to produce in-app graphics, logos, and style guides to boost downloads, conversion, and user engagement. Use AI creative tools and support product launches and growth.

Lead and scale Google Search paid acquisition across multiple apps. Own campaign architecture, budget allocation, profitability logic, scaling frameworks, signal quality, and algorithm performance. Build technical, data-driven acquisition systems, dashboards, automations, and scripts to maximize revenue and efficiency.

Produce and test short-form video ads (TikTok/Instagram/Facebook) using classic and AI-powered tools to drive app installs. Collaborate with creative strategists, propose ideas proactively, iterate on formats and hooks, and analyze performance to optimize creatives.

Design and build LLM-powered tools, agents, and automations to streamline internal processes across teams. Scope, implement, integrate, and ship agents and automations (LLMs, RAG, tool use) with measurable productivity metrics, integrating with systems like Slack, Ashby, and BigQuery.

Design end-to-end mobile app experiences for iOS and Android: research, benchmarking, hi-fi prototypes, production-ready UI assets, design systems, store assets, and collaborate with product and engineering to launch and evolve apps for millions of users.

Lead the accounting team and own monthly, quarterly, and annual closes. Prepare Spanish GAAP (PGC) financial statements, manage AP/AR, treasury, payroll reconciliation, and tax compliance. Implement internal controls, optimize Microsoft Dynamics, and champion AI-driven automation for data entry, anomaly detection, and forecasting. Coordinate with auditors and deliver clear KPIs and reporting to leadership.

Lead end-to-end recruitment for Engineering, Product, and Marketing roles; source, engage, and close passive and niche candidates; partner with hiring managers and founders; drive employer branding, onboarding, retention, and People Ops initiatives; use AI tools in sourcing and workflows; operate autonomously and prioritize hiring needs.

Open call for spontaneous applications to join a Barcelona-based startup building AI-driven mobile apps. Candidates should share interests, strengths, and areas they'd like to work on; applications will be reviewed for fits including internships and future roles. Hybrid presence in Barcelona (two days/week) is encouraged for local hires; flexible hours and opportunities to work with AI models are offered.

Develop, fine-tune, and productionize ML models for mobile apps. Own data curation, experimentation, evaluation, deployment, and integration with mobile/backend teams while tracking quality metrics.

Lead and scale growth across Labhouse's mobile app portfolio: own UA budget and performance marketing, optimize ROAS/LTV/CAC, build creative testing, attribution and experimentation frameworks, partner with Product and Creative, mentor the performance marketing team, and identify new acquisition channels.