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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Ai Engineer - **Company:** Lexidy - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Software Applications, Cloud Computing, Python (Programming Language), Node.Js, TypeScript, ReactJS, Large Language Models, Backend, Front End Software Development, Docker - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/ai-engineer-en-madrid-ID-365605288 ## About the Role 2+ years of relevant engineering experience Real world experience building with coding agents (preferably Claude Code) and a proven ability to "manage" them in real projects Experience with an agentic framework: Mastra (TypeScript), or PydanticAI / smolagents / CrewAI / LangGraph (Python) Solid foundations in transactional architecture Modern frontend (ideally React) and backend (Node.js), or an equivalent stack with sound technical judgment Hands on experience with LLMs, embeddings, vector stores, and modern AI frameworks/APIs Familiarity with cloud platforms (GCP preferred) Product mindset: you prioritize the user experience and the rationale behind decisions, not just the code A culture of quality: useful tests, clear READMEs, reproducible deployment (docker compose) You are a clear communicator, able to explain technical decisions without jargon to non-technical stakeholders (legal, ops) Proactive and self directed, hands on, independent Fluent in English is a plus And this would be awesome Experience with observability and agent tracing Design of guardrails (confirmations, limits, DISCLAIMERS) Strong problem solving attitude and ability to work in a collaborative environment ## Description AI Engineer Please send your resume in English; applications not submitted in English will not be considered.We are looking for outliers, wired differently from the traditional law firm mindset.Are you a proactive professional who thinks outside the box and is eager to rethink how legal work gets done with AI?Do you want to be part of a forward thinking, disruptive law firm with a startup mindset?Then, continue reading.This is your opportunity.At Lexidy, we work with passion and purpose!We help expats and entrepreneurs do business and make investments in Europe.We serve them by providing 360 degree assistance for the most important milestones in their lives.We are a Legal Tech Boutique that's wired differently to simplify our customers' lives.We are sharp, digitally focused and dynamic.Location: Barcelona office, SpainThe TeamYou will be part of our AI team, working both with internal clients (Lexidy's own legal teams) and on product design to accelerate immigration, corporate, real estate, and tax processes across multiple countries.As a multifaceted team, we respond to a wide range of technical and business challenges.MissionRethink how legal work gets done with AI.Not just using the tools, but figuring out what becomes possible when you build around them, working hand in hand with lawyers and operations teams to turn real legal problems into production ready AI applications.Tasks and ResponsibilitiesDesign and build AI powered applications, from early prototype through productionIntegrate and orchestrate LLMs and agents into real legal workflows (document generation, case triage, knowledge base, etc.)Work directly with lawyers and operations teams to understand the legal problem before proposing a technical solutionContribute to an internal culture of continuous experimentation with AIStay on top of the AI landscape and bring relevant ideas into the teamYou have2+ years of relevant engineering experienceReal world experience building with coding agents (preferably Claude Code) and a proven ability to "manage" them in real projectsExperience with an agentic framework: Mastra (TypeScript), or PydanticAI / smolagents / CrewAI / LangGraph (Python)Solid foundations in transactional architectureModern frontend (ideally React) and backend (Node.js), or an equivalent stack with sound technical judgmentHands on experience with LLMs, embeddings, vector stores, and modern AI frameworks/APIsFamiliarity with cloud platforms (GCP preferred)Product mindset: you prioritize the user experience and the rationale behind decisions, not just the codeA culture of quality: useful tests, clear READMEs, reproducible deployment (docker compose)You are a clear communicator, able to explain technical decisions without jargon to non-technical stakeholders (legal, ops)Proactive and self directed, hands on, independentFluent in English is a plusAnd this would be awesomeExperience with observability and agent tracingDesign of guardrails (confirmations, limits, DISCLAIMERS)Strong problem solving attitude and ability to work in a collaborative environmentWhat's in it for you?An open minded and collaborative organizational culture of enthusiastic lawyers and technologistsInformal, entrepreneurial and flexible atmosphere in our officesFree coffee, drinks and healthy snacksA Career Development Plan: takes place every six months and is focused solely on youA network of coaches and mentors to boost your leadership skills and personal developmentFlexible working with remote optionsCobee for flexible salaryWellhub with Silver Plan Paid for the company!Corporate Erasmus opportunities within our offices around EuropeAccountability is one of our favourite words.We strive for autonomous and independent ways of workingGrowth opportunities, both locally and globallyWe look after our employees by creating a professional and personal development space.All employees are encouraged to be free thinkers and suggest solutions that could benefit the company.We believe that a warm and friendly work environment helps to promote a general sense of peace of mind, which is essential to our client's satisfaction.Lastly, at Lexidy, ties are banned, and it is mandatory to have fun!At Lexidy inclusion and diversity are essential.We encourage people from all ethnic groups, genders, sexualities, ages, and abilities to apply.We want to hear from you!#J-*****-Ljbffr ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Beyond Chatbots: How to build Agentic AI systems](https://www.wearedevelopers.com/videos/1629-beyond-chatbots-how-to-build-agentic-ai-systems) - [Building AI Applications with LangChain and Node.js](https://www.wearedevelopers.com/videos/1512-building-ai-applications-with-langchain-and-node-js) - [Stop Using Node.js Like It’s 2020! - Alfonso Graziano](https://www.wearedevelopers.com/videos/1863-stop-using-node-js-like-it-s-2020-alfonso-graziano) ## Related Articles - [What is Agentic Programming and Why Should Developers Care?](https://www.wearedevelopers.com/magazine/625-what-is-agentic-programming-and-why-should-developers-care) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Graph and AI Trends 2026: Why Is AI Running but Not Yet Delivering?](https://www.wearedevelopers.com/magazine/680-graph-and-ai-trends-2026-why-is-ai-running-but-not-yet-delivering) - [Never delegate the understanding](https://www.wearedevelopers.com/magazine/749-never-delegate-the-understanding) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix)