> Markdown version of [/jobs/ext/2032294-cto-co-founder-agentic-ai-legaltech](https://www.wearedevelopers.com/jobs/ext/2032294-cto-co-founder-agentic-ai-legaltech). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # CTO & Co-Founder - Agentic AI (LegalTech) - **Company:** Antai Ventures - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Continuous Delivery, DevOps, Large Language Models, Multi-Agent Systems, Backend, Front End Software Development, Data Pipelines - **Published:** August 12, 2026 - **Apply:** https://es.trabajo.org/oferta-4021-d421f261e9f1023183d3abc287d1cf86 ## About the Role security and compliance. - Drive a culture of excellence through continuous delivery, rapid experimentation, and metrics-driven improvement. - Move fast, obsess over customer impact, and work tirelessly to turn an ambitious vision in reality. What We're Looking For - 5+ years of experience as a Software Engineer - Hands-on builder. You prototype quickly and turn ideas into working features in days. - Practical AI experience. You've built with modern LLM tools-agent orchestration, RAG, embeddings-and know what works in production. - Curious and smart. You track new research and apply what's useful. - User-value focus. You measure success by customer impact and time saved, not vanity metrics. - Ownership mindset. You take responsibility for outcomes and think long-term about product and company value. - Bias for shipping. You pick simple solutions, automate routine tasks, and release early and often. - Team builder. You attract and develop strong engineers and foster a supportive, high-standards culture. - Clear communicator. You explain technical trade-offs to both engineers and non-technical stakeholders. What We Offer - Day-1 founding seat. Jump into an ambitious startup from the ground up, with a validated concept and live pilots. - De-risked upside. Build as a co-founder on a path charted by Antai's successful venture-studio model-capital, playbooks, and network included. - Full-stack operator support. Access Antai's expert teams in Product, Engineering, Design, GTM, Legal, Talent, and Fundraising whenever you need them. - Significant equity. Own a sizable stake in this venture and optional carry in other Antai portfolio startups. - Founder community & investors. Join a tight network of serial entrepreneurs and top-tier backers who've scaled category leaders. - Workspace flexibility. Work from our hubs in Barcelona, Madrid, or Mexico City-or stay remote and sync on frequent on-sites. ## Description PMF in a massive, fragmented €5B+ market (in Spain alone) As a co-founder, you'll be in the driver's seat-shaping the vision, setting the pace, and taking ownership. In return, we'll back you with capital and provide hands-on support across Product, Tech, Design, GTM, Legal, Talent, Finance, and Fundraising to accelerate your journey from 0 to 1. ️ What You'll Do - Co-craft the technical North Star with the founding team and convert vision into an aggressive, value-obsessed roadmap. - Build hands-on and ship code daily, leveraging the latest AI orchestration techniques (multi-agent workflows, toolformer, dynamic RAG pipelines) and rock-solid engineering practices (DDD, SOLID, ruthless automation) to deliver customer value at record speed. - Recruit, coach, and scale a top-1 % engineering guild spanning backend, frontend, data, and DevOps-shipping product that customers actually use every single week. - Design high-throughput data pipelines to improve our agents while guaranteeing ## Related Videos - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Why and when should we consider Stream Processing frameworks in our solutions](https://www.wearedevelopers.com/videos/1085-why-and-when-should-we-consider-stream-processing-frameworks-in-our-solutions) - [Agentic employees in world's most downloaded FinTech app](https://www.wearedevelopers.com/videos/100123-agentic-employees-in-world-s-most-downloaded-fintech-app) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) - [AI Vector Search at Scale - Ewa Szyszka - Ewa Szyszka](https://www.wearedevelopers.com/videos/2161-ai-vector-search-at-scale-ewa-szyszka-ewa-szyszka) ## Related Articles - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [What is Agentic Programming and Why Should Developers Care?](https://www.wearedevelopers.com/magazine/625-what-is-agentic-programming-and-why-should-developers-care) - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [Stephan Gillich - Bringing AI Everywhere](https://www.wearedevelopers.com/magazine/489-stephan-gillich-bringing-ai-everywhere) - [Never delegate the understanding](https://www.wearedevelopers.com/magazine/749-never-delegate-the-understanding) - [How to Turn Community Events Into a Powerful AI GTM Engine: The Daytona Playbook](https://www.wearedevelopers.com/magazine/732-how-to-turn-community-events-into-a-powerful-ai-gtm-engine-the-daytona-playbook)