ppbPeople first /b – diverse and inclusive culture in an binternational environment /b. /p pWork on bhigh-impact Data Insights initiatives /b across bbusiness performance /b, boperations /b, bfinance /b, and bcommercial domains /b. /p pHelp shape how bdata supports strategic decision-making /b across a blarge international organisation /b. /p pExplore the evolution of bAI-driven analytics /b, bproductivity tools /b, and bdata discoverability /b. /p pContribute to bself-service analytics /b, bdata products /b, and bscalable reporting practices /b. /p pWork closely with bbusiness /b and bsenior stakeholders /b, turning bcomplex data /b into bmeaningful insights /b. /p pbHigh team stability /b and bcollaborative culture /b. /p ul li€1200 per year training budget and continuous learning opportunities /li liPrivate health insurance and benefits package /li liFlexible working hours and hybrid model /li liWellhub: fitness, wellness, and mental health support /li liFootball and paddle tennis teams sponsored by Capitole /li liTeam buildings, integral events, and strong tech communities /li /ul h3About the role /h3 pWe are looking for an AI Engineer specialised in Prompt Engineering to join a dynamic AI team within an international technology environment. /p pIn this role, you will design and optimise advanced prompts for Large Language Models and apply Generative AI to automate and improve different tasks across the software development lifecycle. /p pYou will work with models such as GPT, Claude, Gemini, and LLaMA, applying advanced prompting techniques, prompt templating, optimisation, evaluation, and benchmarking. /p pIf you enjoy working with LLMs, Prompt Engineering,



and AI-powered software development, this could be a great fit. /p h3What you'll do /h3 ul liDesign and optimise advanced prompts for Large Language Models such as GPT, Claude, Gemini, and LLaMA. /li liApply advanced prompting techniques, including Chain-of-Thought Prompting, Few-Shot Prompting, Retrieval-Augmented Generation (RAG), Tool Use, and Function Calling. /li liDevelop prompt templates and optimise prompts iteratively based on evaluation and benchmarking. /li liApply AI to automate or improve software development tasks, including automatic code generation, test case generation, technical documentation, requirements analysis, automated code review, and testing script generation. /li liWork with modern AI-assisted development tools such as GitHub Copilot. /li liDesign specialised AI agents for specific tasks across the software development lifecycle. /li liWork with AI and agent orchestration frameworks such as LangChain, LlamaIndex, Semantic Kernel, AutoGen, or similar. /li liEvaluate and benchmark prompts and their results. /li liBachelor's or Master's degree in Computer Science, Telecommunications, Software Engineering, Physics, Mathematics, or another relevant engineering or technical field. /li liExperience designing advanced prompts for Large Language Models.



/li liStrong knowledge of Large Language Models such as GPT, Claude, Gemini, and LLaMA. /li liKnowledge of advanced prompting techniques, including Chain-of-Thought Prompting, Few-Shot Prompting, Retrieval-Augmented Generation (RAG), Tool Use, and Function Calling. /li liExperience with prompt templating and iterative prompt optimisation. /li liExperience evaluating and benchmarking prompts. /li liExperience applying AI to software development use cases, including code generation, test case generation, technical documentation, requirements analysis, automated code review, or testing script generation. /li liKnowledge of modern AI-assisted development tools such as GitHub Copilot. /li liKnowledge of AI agent orchestration and specialised AI agents. /li liKnowledge of frameworks such as LangChain, LlamaIndex, Semantic Kernel, AutoGen, or similar. /li liEnglish and Spanish C1. /li liMaster's degree or PhD in Artificial Intelligence, Data Science, or related fields. /li liExperience in the aerospace or aviation sector. /li liKnowledge or experience in ATM (Air Traffic Management). /li /ul pFully on-site / Barcelona or Valencia /p pWe know that not every candidate will meet 100% of the requirements. If your profile doesn’t match perfectly but you believe you can add value, we’d still love to hear from you. /p h3Information Security Notice /h3 pThe employee will have access to confidential information related to Capitole and the assigned project. /p pCompliance with internal security and information protection policies is mandatory. /p /p #J-18808-Ljbffr

📌 AI Engineer Prompt Engineering (Barcelona)
🏢 Capitole
📍 Barcelona