ppAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. /p h3WHY JOIN US /h3 pIf you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! /p h3ABOUT THE ROLE /h3 pWe are looking for a Senior/Lead AI Software Engineer (Full Stack) to build and scale intelligent, AI-driven products from concept to production in rapid iteration cycles. This role is pivotal in architecting end-to-end AI solutions—leveraging LLMs, RAG pipelines, vector 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. /p h3WHAT YOU WILL DO /h3 ul liArchitect and develop robust, scalable bAI-powered features /b across frontend and backend; /li liDesign and implement bend-to-end AI solutions /b, from data ingestion to model integration and user-facing interfaces; /li liRapidly gather business and technical requirements and translate them into bfunctional AI demos /b within 1–2 weeks; /li liIntegrate LLMs and AI services (e.g., APIs, vector databases, RAG pipelines) into production-ready applications; /li liWork deeply in the existing web app codebase, enhancing core modules and integrating AI capabilities; /li liArchitect high-throughput, low-latency systems that scale reliably; /li libCollaborate closely /b with Product, Design, and Engineering; /li liMaintain high standards for documentation, testing, observability, and code quality; /li liLead technical initiatives to bautomate manual workflows /b using AI and improve system reliability.



/li /ul h3MUST HAVES /h3 ul lib5+ years of full-stack development experience /b /li libExperience in Rust or Golang /b /li lib2+ years of AI/ML engineering experience building or integrating AI-driven systems /b /li libAI-assisted code experience /b with tools such as GH Copilot, Cursor, or Windsurf /li liProven ability to gather ambiguous requirements and independently develop AI prototypes/demos within short timelines (1–2 weeks) /li liStrong experience working with bLLM APIs /b, prompt engineering, embeddings, and vector databases /li liExperience designing scalable AI architectures (RAG, agents, model orchestration, evaluation pipelines) /li liProven ability to navigate and improve large, production-scale codebases /li liStrong understanding of performance optimization, system design, and low-latency architectures /li liExcellent communication and documentation skills in a fast-moving team environment /li liDemonstrated experience deploying AI features into production environments /li liUpper-intermediate English level /li /ul h3NICE TO HAVES /h3 ul li2+ years of team lead/management experience /li liStrong skills in Python /li liExperience with CI/CD pipelines /li liExperience with cloud platforms and AI tools such as Vertex on GCP, SageMaker, Bedrock from AWS, and similar ones /li liExperience with AI frameworks/SDKs (LangChain, LlamaIndex, Hugging Face, etc.) /li liExperience building AI agents or multi-agent systems /li liStart-up mindset: comfortable experimenting, iterating quickly, and tackling ambiguous challenges /li /ul h3PERKS AND BENEFITS /h3 ul libProfessional growth: /b Mentorship, TechTalks, and personalized growth roadmaps. /li libCompetitive compensation: /b USD-based pay with education, fitness, and team activity budgets. /li libExciting projects: /b Modern solutions with Fortune 500 and top product companies. /li libFlextime: /b Adaptable schedule with remote and office options. /li /ul h3Meet Our Recruitment Process /h3 pIt includes main stages: Application → Coding Challenge → Video Interview → 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. /p /p #J-18808-Ljbffr

📌 AI Software Engineer (Full Stack) (Madrid)
🏢 AgileEngine
📍 Madrid