48,299+ Fullstack Ai Engineer Python Php Reactnextjs Jobs in Spain — Top Companies Hiring July 2026

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Lead Software Engineer – AI Product Development (Data)

We are looking for a Lead Software Engineer – AI Product Development (Data) to join our AI Engineering team in Barcelona. This is an exciting opportunity to work on cutting‑edge AI‑powered software, building reliable, scalable solutions that leverage Python, cloud technologies (Azure/AWS), microservices, a ...

Founding Backend Engineer AI Billing Infra (Barcelona)

Talent-R is searching for the first engineering leader to join their new Barcelona hub, crucial for building core infrastructure for the next generation of AI products. The role offers a unique opportunity for ownership over product direction and architectural decisions, working alongside a founding te ...

Senior DevOps & AI Infra Engineer Remote Europe

A leading technology company is looking for a DevOps/Infrastructure Engineer to take full ownership of their cloud infrastructure and deployments. This role requires 8+ years of experience and an ability to thrive in a fast-paced startup environment. You will manage Kubernetes clusters, optimize AI/LLM systems, ...

Senior GenAI QA Engineer — Build Reliable AI

7300-Janssen-Cilag S.A. Legal Entity is looking for a Senior Engineer in GenAI Quality Assurance. This role involves designing and implementing QA strategies for GenAI systems and requires strong software engineering skills. The position offers a hybrid working model and is based in Barcelona or Madrid. Candi ...

Senior AI Engineer — Production Coding Agents (Remote)

JetBrains is seeking a Staff/Senior AI Engineer to enhance their AI for Code team. In this role, you will create production-ready coding agents, improve internal coding models, and collaborate with cross-functional teams. Strong software engineering skills and experience with LLM-powered products are essentia ...

AI Research Engineer Reincement Learning 100% Remote

About the job As a member of the AI model team, you will drive innovation in reinforcement learning approaches for advanced models. Your work will optimize decision‑making and adaptive behavior to deliver enhanced intelligence, improved performance, and domain‑specific capabilities for real‑world ...

Senior Product Engineer: Enterprise AI & Data Semantics

An innovative tech startup in Barcelona seeks a talented product engineer to lead full-stack product development. This role involves owning feature lifecycles, collaborating with founders on user interface design, and transforming enterprise data into actionable insights. The ideal candidate will have a strong f ...

Data Engineer for AI Driven Data Platform

STATION F in Barcelona is searching for a Data Engineer to manage and scale our data infrastructure. You will fit into an innovative team tasked with leveraging AI and data for actionable insights. The role offers significant autonomy and impact as you lead the evolution of our data stack and engage wi ...

Madrid Based Production AI Deployment Engineer (Hybrid)

Aimling is looking for a Forward Deployed Engineer in Madrid to own complex deployments of frontier models. In this role, you will partner directly with our customers to ensure production systems' success and value delivery. Responsibilities include scoping work, managing delivery, and contributing to ...

Lead Value Engineer AI Driven Adoption Leader

Process Analytics Factory - PAFnow by Celonis is hiring a Lead Value Engineer in Madrid to drive customer success and adoption of AI technologies. The role involves crafting repeatable blueprints for ROI and leading strategic initiatives to enhance value. The ideal candidate possesses strong technical ...

Founding Real Time Voice AI Performance Engineer

Slng Ltd in Barcelona is looking for a Speech Model Performance Engineer to enhance the speed of speech models. Collaborating with the founding tech team, you'll work on initiatives like quantising neural models for efficiency and benchmarking ASR performance. Candidates should have expertise in ASR/TTS, experie ...

Staff Platform Engineer: AI Driven Platform Leadership

Preply is seeking a Staff Platform Engineer to lead technical initiatives across platform squads in Barcelona. The role involves setting standards, mentoring engineers, and improving production reliability. Candidates should have a robust background in DevOps, cloud infrastructure, and hands-on leaders ...

Senior Backend Engineer Remote, AI Driven Automation

The Consulting Solutions is seeking a talented engineer to lead major development projects and mentor fellow engineers. You'll be engaged in architecting scalable and reliable systems while participating in product work to provide insights and improvements. Ideal candidates bring strong engineering fun ...

Senior Data Engineer: Azure, Pipelines & AI Infra

Metyis is seeking a Data Engineering Sr Associate to join our team in Barcelona. This role involves overseeing data engineering and AI infrastructure, designing scalable data platforms, and collaborating with clients and stakeholders to drive impactful business change. The ideal candidate will have ove ...

AI Driven Data Engineer for Autonomous Agents

Havas Media Network España busca un experto en Inteligencia Artificial para liderar el diseño y desarrollo de agentes que optimicen procesos operativos. Se valorará experiencia en soluciones de IA generativa y arquitecturas agénticas. Los candidatos deben tener formación en Ingeniería o Ciencias de Dat ...

Senior Frontend Engineer AI Native Angular Expert

TECDATA ENGINEERING busca un Desarrollador Frontend Senior con más de 5 años de experiencia, especializado en Angular. Se requieren sólidos conocimientos en HTML, CSS, JavaScript y TypeScript, así como experiencia en CI/CD y metodologías Agile. El candidato ideal debe tener habilidades analíticas y de ...

Staff Backend Engineer — AI Driven Travel Platform

Hopper is seeking a staff software engineer to enhance its technology solutions, focusing on AI orchestration and backend system improvements. The ideal candidate will have extensive experience with distributed systems and a strong focus on product-oriented thinking. This role offers a competitive sala ...

Remote Prompt Engineer: AI Agent Prompting & Optimization

Paradigma Digital busca un Prompt Engineer especializado en diseño y optimización de prompts para agentes de IA. Ofrecemos un ambiente de trabajo innovador, con opciones remotas o híbridas que equilibran la vida personal y profesional. Los candidatos ideales tendrán experiencia en modelos generativos y ...

Remote AI Engineer: LLMs, RAG & Agent Systems

Lognext, ubicado en Galicia, España, busca un experto en IA generativa para diseñar e implementar soluciones innovadoras usando LLMs. Este rol es completamente remoto y ofrece un salario competitivo y un programa de desarrollo profesional. Se requiere experiencia sólida en IA generativa, así como habil ...

Client Facing Deployment Engineer: AI Config & Optimization

Getmurphy is seeking a Forward Deployed Engineer in Barcelona. This role focuses on delivering technically robust configurations for clients, ensuring that every deployment meets agreed requirements and is capable of delivering measurable results. You will collaborate closely with Deployment Strategists, Prod ...

AI Driven Autonomy Engineer – Ground & Aerial Robots

Importante empresa del sector busca un investigador motivado en robótica móvil en su centro tecnológico en Barcelona. Este rol se centra en integrar inteligencia artificial en sistemas robóticos reales, abordando desafíos en industrias como agricultura y logística. El candidato ideal tendrá un sólido t ...

Unity AI & Automation Engineer for LiveOps & Tools

Aristocrat is seeking a full stack developer for their Robotic Process and Cognitive Technology team in Barcelona. The role involves building and maintaining both front-end Unity and back-end services, enhancing automation workflows for live games. With strong proficiency in Unity and back-end language ...

Data Engineer: AI & Analytics for Industry Transformation

Founded in 2017, Unit8 is a fast‑growing Swiss AI and data analytics consulting and services company dedicated to solving complex problems of traditional industries like automotive, chemical, financial services, manufacturing and pharma. We work with some of the biggest organisations in Europe to solve the ...

AI Engineer — LLMs, RAG & Multi‑Agent Systems

Lognext en Lugo, Galicia, busca un/a AI Engineer proactivo/a para unirse a su equipo en el sector retail. Se requiere experiencia sólida en IA generativa y en el uso de frameworks de orquestación de LLMs como LangChain. Las responsabilidades incluyen el diseño y la implementación de soluciones innovado ...

Senior DevOps AI Engineer – AWS, Kubernetes & MLOps

Aktios Spain busca un/a DevOps AI Engineer para diseñar y operar la plataforma cloud que soporta nuestras soluciones de Inteligencia Artificial. Buscamos alguien que gestione infraestructuras en AWS y Kubernetes, y que automatice despliegues mediante Terraform. La posición incluye colaborar con equipos de Dat ...

Junior AI XR Systems Engineer / PhD Track

Location: Valencia / hybrid model with regular presence in the lab Position type: Junior / PhD Track At LabLENI, part of the HumanTech Institute at the Universitat Politècnica de València, we are looking for a junior profile with a solid technical background in software engi ...

Enablement Engineer for AI Compute & HPC Platforms

F. Hoffmann-La Roche AG is seeking a User Enablement Engineer in Madrid to oversee the deployment and optimization of user-facing software and environments across High-Performance Computing (HPC). You will maximize productivity for Roche's scientific community by enabling access to advanced computational tool ...

Senior Data Engineer Cloud, AI & Analytics Leader

Metyis, located in Barcelona, is seeking an experienced Data Engineering Lead to own and develop the AI infrastructure roadmap. This role involves designing scalable data platforms and working closely with business stakeholders to define and translate technical solutions. The ideal candidate has 5-8 ye ...

Senior AI Agent Engineer — Production Ready & Remote

Siemens Energy is looking for a Senior AI Agent Developer based in Barcelona to implement features in their AI Factory. This role includes adapting pre-trained models, integrating agent frameworks, and ensuring agent reliability. Strong experience in software engineering, Python, and AWS is required. T ...

Senior Laser Welding Engineer — Global Plant & AI

Adient is seeking a Senior Welding Specialist for Advanced Manufacturing Engineering, based in Madrid, Spain. This role focuses on providing global plant support for laser welding, standardization, and innovation in welding solutions integrating AI technology. Candidates should have at least 10 years of experien ...

MLOps Platform Engineer for Agentic AI Hybrid

A leading insurance group based in Madrid is looking for an MLOps/SRE specialist to build and productize AI capabilities. The role involves managing CI/CD standards and implementing monitoring systems while ensuring governance and security. Candidates should have hands-on experience with Databricks MLflow and pr ...

Senior MLOps Engineer: Scalable AI Platform Lead

Nationale-Nederlanden is seeking a Senior MLOps Engineer to enhance AI strategy through Databricks tools in Madrid. This role involves developing a self-service platform for AI capabilities, ensuring CI/CD standards, and operating on multi-cloud infrastructure. Offering a hybrid work model with numerou ...

Analytics Engineer I — AI‑Powered Data Enablement

Importante empresa del sector in Barcelona is seeking an entry-level Analytics Engineer I to join their Data Enablement team. The role involves supporting the development of reliable datasets and analytical models while leveraging AI tools to enhance data work. The ideal candidate will work closely wit ...

Hybrid AI Platform Engineer — Data Governance & Scale

Ebury is seeking a Data Engineer for the AI Platform in Madrid or Malaga. The role involves designing and delivering components for the Agentic Data Plane to enable safe and scalable AI product shipping. The ideal candidate is motivated and has strong software engineering skills. Ebury offers a hybrid ...

Responsible AI Engineer — Governance, Risk & Production ML

Tamarind Intelligence, con sede en España, busca un Ingeniero de IA Responsable para diseñar e implementar soluciones de IA en entornos regulados. Este puesto combina la investigación de IA de vanguardia con implementaciones prácticas. Los candidatos ideales tendrán un máster o doctorado en un campo re ...

Senior Backend Engineer AI Driven, Scalable Systems

Landbot is seeking a Senior Backend Engineer to join their high-performance team in Madrid. Your role includes coding and guiding technical direction, ensuring scalable and maintainable solutions while aligning with Landbot's mission. You’ll work in a collaborative environment, fostering growth in team ...

AI‑Native Senior Java Camunda Engineer (Remote)

Talan Group is seeking an AI-native engineer to leverage modern AI tools in the Software Development Life Cycle from analysis to deployment. Applicants should have at least 5 years of backend development experience and strong skills in Java, Spring Boot, and Camunda. The position is remote, offers a lo ...

Senior Software Engineer — AI Driven Voice Platform

Aircall is seeking Mid-Level and Senior Software Engineers for a new team aimed at developing an innovative product leveraging voice and AI technologies. This position offers significant ownership in technical direction and responsibilities, ensuring that you can make a real impact. As part of Aircall, ...

Senior Platform Engineer — AI Driven Refactor & Multicloud

Denodo in La Coruña, Spain is seeking a Senior Product Developer to enhance the core infrastructure and tooling of their platform. This role focuses on modernizing the product and improving the development experience by integrating cutting-edge technologies and AI-assisted workflows. The ideal candidat ...

AI First Associate Solutions Engineer — Global Rotations

Cisco Systems, Inc. is looking for an Associate Solutions Engineer as part of their innovative Cisco Sales Associates Program (CSAP). This 12-month program in Madrid focuses on developing skills in technical sales, where you'll work with industry experts and gain hands-on experience in AI and collaboration te ...

Oracle Cloud Engineer Logistics & Data AI, Remote

KAIROS DIGITAL SOLUTIONS en Madrid busca un Software Engineer apasionado para unirse a su equipo de Data&IA. Serás responsable de la evolución de soluciones en Oracle ERP, gestionando incidencias y colaborando en pequeños proyectos logísticos en Oracle Cloud. Se requiere experiencia sólida en Oracle Cl ...

AI Driven Manual QA Engineer for Fintech

COLIBRIX ONE in Barcelona is looking for a Manual QA Engineer to validate complex payment systems. Your role includes manual testing for payment, wallet, and card flows, leveraging AI tools for optimization. The ideal candidate has over 3 years of experience in QA, particularly within fintech, and a st ...

Senior AI & Automation Engineer — Hybrid, Flexible Hours

Baker Tilly España busca un/a AI & Automation Developer Senior en Barcelona. La misión incluye el diseño y desarrollo de soluciones innovadoras que integran inteligencia artificial y automatización de procesos. Buscamos un perfil versátil y orientado a resultados. Se valorará experiencia en Python, int ...

Associate AI Engineer — Orbit Program (Benelux Travel)

EngineersOfAI is looking for an Associate Applied AI Engineer in Madrid to support customer engagements in the Benelux region. This role is part of the Value Engineering team. As an associate, you'll work on innovative AI solutions to help clients achieve their business objectives. The position emphasi ...

Senior Data Engineer Databricks & AI/ML Platform

Zurich Insurance in Barcelona is looking for a Senior Data Engineer to lead the development of our Databricks-based data warehouse and advanced analytics platform. The role supports institutional clients with cutting-edge data solutions. The ideal candidate will have a relevant degree and at least 4 ye ...

Automation Engineer – AI‑Powered Quality & CI/CD

iptiQ by Swiss Re is seeking a Software Engineer in Test for their team in Madrid, Spain. You will contribute to automated test suites and enhance the quality engineering strategy while collaborating with diverse engineering teams. The ideal candidate has strong skills in Java and JavaScript, familiarity with ...

Automation QA Engineer French AI Voice Assistant

M47 - AI Company in Madrid is seeking an Automation QA Engineer to join its AI Voice Assistant project. You will ensure responsiveness and efficiency in user interactions and deliver a seamless user experience. The ideal candidate has over 2 years of automation testing experience and native French lang ...

Senior QA Automation Engineer – Data & AI Projects

Aubay Spain busca un Senior QA Automation Engineer para un proyecto clave en el sector de seguros. El rol implica acelerar la calidad y velocidad de entrega de productos digitales estratégicos. Se requiere más de 5 años de experiencia en QA Automation y conocimientos en herramientas como Playwright y P ...

Senior QA Engineer Remote, AI & Automation Focus

Framework Ventures is seeking a Senior QA Engineer to join their innovative team. This fully remote position allows you to take ownership of projects and contribute to cutting-edge fintech solutions. You will work collaboratively to ensure the overall quality of new features and help enhance test automation f ...

Senior Backend Engineer – AI Labs, Scalable APIs

Insud Pharma is seeking a Senior Backend Developer to design and build robust backend systems for AI-driven products. The ideal candidate will work in diverse domains including Clinical and R&D, managing backend services end-to-end with a focus on performance and scalability. The position requires flue ...

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    Fullstack Ai Engineer Python Php Reactnextjs Jobs in Spain Job Search Guide, Trends and Insights