Lead AI Software Engineer (Full Stack

databases, and Rust or Golang-to power high-performance, low-latency applications. You'll shape scalable AI architectures, automate workflows, and drive innovation in a fast-growing environment that values ownership, speed, and technical excellence. WHAT YOU WILL DO Take ambiguous, broad-scope ideas for AI integrations and bring them to life in a functional demo within 1-2 weeks; Architect and build developer-facing tools, including SDKs, CLIs, and API integrations that allow third-party developers to interact with AI features; Integrate LLMs (Open AI, Anthropic, local models) into developer workflows; Build RAG pipelines and agentic workflows that solve infrastructure challenges; Act as a technical consultant, documenting patterns and setting the standard for how external developers will integrate in the future. MUST HAVES 5-8 years of software engineering experience with a track record of ownership and architectural decision-making; Deep proficiency in Golang, Rust, OR Python and

ability to switch between these contexts to build high-performance tooling; Experience with CI/CD pipelines, Docker/Kubernetes, CLI construction, and Developer Experience (Dev Ex) ; 2+ years building with LLM APIs, Vector Databases, and Agentic Frameworks (Lang Chain, Auto GPT, etc.); AI-assisted code experience with GH Copilot, Cursor, Windsurf, Anti Gravity, etc; Proven ability to work with loose requirements and deliver a working solution without hand-holding; Upper-intermediate English level. NICE TO HAVES Experience building open-source SDKs or public-facing APIs; Background in Security or Identity Management (IAM) software; Experience with Agentic coding tools (Windsurf, Cursor, Copilot) to accelerate your own. PERKS AND BENEFITS Professional growth: Mentorship, Tech Talks, and personalized growth roadmaps. Competitive compensation: USD-based pay with education, fitness, and team activity budgets. Exciting projects: Modern solutions with Fortune 500 and top product companies.

Flextime: Flexible schedule with remote and office options. Meet Our Recruitment Process It includes main stages:Application > Technical Interview or Interview with the Hiring Manager(s).Each step helps us understand your skills and overall fit.If it's a match, you'll receive an offer. #J-18808-Ljbffr", "employmentType": "FULL_TIME", "industry": "Software Engineer", "jobLocation" : { "@type": "Place", "address": { "@type": "PostalAddress", "streetAddress": "Madrid", "addressLocality": "Madrid", "addressRegion": "Madrid", "addressCountry": "ES", "postalCode": "n/a" } }, "salaryCurrency": "EUR", "title": "Ai software engineer (full stack) id51390", "hiringOrganization" : { "@type" : "Organization", "logo" : "https://logo.jobs-search.org/6598557.jpg", "name" : "AgileEngine" } }

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