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

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Founding French Forward Deployed AI Engineer

HappyRobot Inc. in Barcelona is seeking a Forward Deployed Engineer to join our founding France team. You will work directly with customers to maximize value of our AI platform and contribute to onboarding, implementation, and ongoing support. The role blends strong technical work with clear communicat ...

Senior AI Engineer — Secure SDLC & DevSecOps

Keysight Technologies in Barcelona is seeking a Senior Applied AI Engineer to design and implement AI‑driven solutions that modernize Keysight’s Secure Software Development Lifecycle (SDLC). You will assess LLMs, RAG, and agent frameworks, translate governance into engineering standards, and build scalable re ...

Founding AI Engineer Startup Retail IA

Buscamos para nuestro cliente, una startup tecnológica europea especializada en inteligencia artificial aplicada a entornos físicos de alto tráfico (como centros comerciales, aeropuertos, destinos de ocio y cruceros), un Founding AI Engineer. El Proyecto: Estamos construyendo una Guest Interaction ...

Design Engineer, API & Integrations (AI‑First)

PandaDoc is looking for its first Design Engineer to bridge design and engineering in the Embedded Agreements track. You will own the design of our API and integrations, building surfaces that connect PandaDoc to customers’ tools and workflows. You’ll prototype AI-native patterns, shape CRM integration ...

Senior AI Engineer – Recommender Systems & GenAI

Titan Operating System in Barcelona is seeking an AI & Content‑Recommendation Developer to design, train, and deploy models and data pipelines that decide what to watch next on our Smart TV platform. You’ll touch the full ML lifecycle from exploration to online experiments, shipping features used by millions ...

Platform Engineer – Agentic AI & Harness Engineering

Who We Are At Kyndryl, we run and reimagine the mission‑critical technology systems that drive advantage for the world’s leading businesses. We are at the heart of progress; with proven expertise and a continuous flow of AI‑powered insight, enabling smarter decisions, faster innovation, and a las ...

Forward Deployed Engineer (Commercial) Healthcare AI

A Forward Deployed Engineer (FDE) at Idoven is a rare combination: a technically strong engineer who thrives at the intersection of tech and client. You will be embedded — sometimes literally — in our most critical client accounts, helping them integrate, configure, and scale Idoven's AI platform within t ...

AI Solutions Engineer & Software Lifecycle Architect

Kuik! Software, IT & IA busca un/a Developer & AI Solutions Engineer para participar en proyectos de tecnología innovadora. La posición implica desarrollar nuevas aplicaciones, automatizar procesos y diseñar agentes de IA. El candidato ideal será curioso, proactivo y estará dispuesto a construir soluci ...

Cybersecurity Engineer for Network Security AI

Die Position The Network Security product makes Roche’s connectivity accessible and secure through actionable, policy-driven processes. The capabilities we provide enable Roche to identify, inspect, and mitigate network-based risks, manage regulatory compliance, and oversee egress/ingress traffic ...

Remote Freelance Process Engineer & AI Trainer

10x Team is seeking a Freelance Process Engineering Consultant to review AI-generated outputs and ensure their relevance to process engineering. As a consultant, you will evaluate AI recommendations, develop real-world scenarios, and refine processes. The role is 100% remote and requires 8–20 hours of work pe ...

Unity AI & Automation Engineer — LiveOps & Tools

Aristocrat Leisure is seeking a Robotics and Intelligent Systems Engineer to join their innovative team in Spain, where you'll design and deliver automation tools that enhance game development processes. Your role involves integrating AI systems with gaming platforms, creating both front-end and back-end solu ...

Generative AI Agentive Backend Engineer – Hybrid

Deutsche Telekom sucht einen Software Engineer, spezialisiert auf Generative AI und Backend-Entwicklung, um innovative Lösungen und agentenbasierte Use Cases zu entwickeln. Der ideale Kandidat bringt umfangreiche Erfahrung in Backend-Solutions und KI-Datenplattformen mit. Profitieren Sie von Flexibilit ...

Senior AI Engineer SDLC (All genders)

Compensation: EUR 45,400 - EUR 68,000 - yearly Company Description With over 25 years’ experience, plus the same enormous passion and ambition we had on day-one, we’re trailblazers in the pet e-commerce industry. Our solutions make over 12 million customers genuinely happier – ...

HPC Networking Engineer — InfiniBand & AI Infra

Mirantis is searching for a motivated HPC (High Performance Computing) Network Engineer to enhance our infrastructure team. This position offers an excellent growth path to becoming a Senior HPC Network Engineer, collaborating on cutting-edge AI technologies and high-performance networking. Successful ...

AI Driven Backend Engineer (Cloud & MLOps)

Kion Group AG in Cataluña, Spain is seeking a skilled data analytics professional to design and implement innovative AI solutions involving data analytics and machine learning. You will engage in developing AI-driven applications and MLOps frameworks in a hybrid work model. The ideal candidate will hav ...

Remote Cloud Data & AI Platform Engineer

KBC Technologies Group is seeking a seasoned professional to design, develop, and deploy high-performance data platforms and agentic solutions in Carballedo, Spain. The ideal candidate should have over 5 years of experience and strong proficiency in the Google Cloud Platform stack, including AlloyDB and GCS. ...

QA Engineer AI Tooling (All Genders)

With over 25 years’ experience, plus the same enormous passion and ambition we had on day-one, we’re trailblazers in the pet e-commerce industry. Our solutions make over 12 million customers genuinely happier – and that’s something we really care about. We work together to continually adapt; embracing chan ...

Platform Engineer: AI Agent Harness & Orchestration

Kyndryl in Madrid is seeking a Platform Engineer to build the internal agent harness: the runtime, orchestration, and guardrails that turn foundation models into reliable AI agents. You will treat the harness as a product used by engineering teams, delivering measurable agentic productivity and handling model ...

Remote Healthcare AI Forward Deployed Engineer

Idoven seeks a Forward Deployed Engineer to embed with critical client accounts, helping them integrate and scale Idoven's AI platform within their clinical workflows. You will work directly with client engineering and clinical teams, attend meetings, and help shape product roadmap. Responsibilities in ...

Maritime Software Engineer AI Driven & Hybrid

Schütz GmbH & Co. KGaA in Valencia is building an agile software engineering center to develop maritime sensor, navigation, and automation systems. The role emphasizes AI-assisted development, modern software practices, and cross‑location collaboration. A hybrid work arrangement and a competitive compensation ...

AI Driven Software Engineer (Node.js & C++)

Mission Act as the execution engine of the team, transforming architectural specifications into robust, efficient, and production-ready code. You will work on building and optimizing a hybrid Node.js–C++ system, leveraging AI tools as a key accelerator to maximize development speed without ...

Unity AI & Automation Engineer for LiveOps

Product Madness busca un Ingeniero/a de Robótica y Sistemas Inteligentes para diseñar y entregar herramientas de automatización y soluciones impulsadas por IA, mejorando la eficiencia en flujos de trabajo y en liveOps de sus juegos. Trabajarás junto a diseñadores, científicos de datos y equipos de prod ...

Hybrid HPC AI & Data Platform Engineer

IZERTIS S.A busca un/a AI & Data Platform Engineer (HPC) en Sils, España, para un cliente importante en el sector Deep Tech. La persona seleccionada se encargará de desarrollar e integrar modelos de Inteligencia Artificial, optimizando procesos y construyendo pipelines de datos. Se requieren habilidade ...

Senior Platform Engineer — Agentic AI & Harness

Senior Platform Engineer – Agentic AI & Harness Engineering Posted: Job reference: 82bb1cce a065ad66 Job information Location Madrid, Madrid, ESP, Spain Xerox Client / Employer Job reference 82bb1cce a065ad66 Listing type Basic ...

Maritime AI Software Engineer Valencia (Hybrid)

Schütz GmbH & Co. KGaA in Valencia is seeking a Software Engineer (all genders) to join an agile development center. You will help build maritime sensor, navigation, and automation systems in a cross-functional team, plan tasks with estimates, and continuously improve delivery quality with AI-enabled tools. < ...

Full Stack AI Engineer Multimodal Agents

Hihired Recruitment SL busca un/a Ingeniero/a Full Stack IA para unirse a una startup tecnológica en Barcelona, donde cada decisión técnica influye en el futuro de la empresa. El candidato ideal tendrá al menos 4-5 años de experiencia en ingeniería de software y un sólido dominio de Python, así como experienc ...

AI Driven SaaS Product Engineer (Hybrid)

HACK A BOSS busca un/a Senior Product Engineer apasionado por construir productos tecnológicos que impacten. Este rol implica diseñar y desarrollar funcionalidades de una plataforma de gestión IT que ayuda a gestionar dispositivos y automatizaciones en empresas. Se requiere experiencia en desarrollo de ...

Senior AI Driven Backend Engineer — Remote

MotorK, located in Galicia, Spain, is seeking exceptional engineers to join MotorK Ultra. Candidates should have 5+ years of backend experience, strong knowledge in PHP, Node.js, or Java, and be comfortable using AI tools daily. The position offers a competitive salary starting from €80,000/year, meal ...

Senior ML Engineer Imaging & Manufacturing AI

Align Technology, Inc. seeks a Senior Machine Learning Engineer in Madrid, Spain. The role involves improving the Invisalign operation software through machine learning and collaboration with clinical experts. Key responsibilities include developing ML models for image analysis, refactoring C++ into Py ...

Staff Backend Engineer, SSCS: AI Governance

Overview As a Staff Backend Engineer - AI Governance at GitLab, you will define the technical foundation for governing GitLab Duo agents at enterprise scale. This role sits at the intersection of AI systems, compliance, auditability, and backend architecture. You will shape core systems that give ...

Backend Engineer, AI & Data Products — Automations

Spendesk in Barcelona is seeking a Backend Software Engineer (IC3) to design and build backend services that power AI-driven product features. This role involves collaboration with ML Engineers to translate predictive models into operational capabilities, enhancing user experiences. The ideal candidate ...

Principal Software Engineer – AI Native Architecture

Principal Software Engineer – AI‑Native Architecture Alicante, Spain (Hybrid 2–3 days in office required Context & Impact We’re looking for a Principal Software Engineer to operate at the intersection of deep technical expertise and cross‑functional leadership. T ...

Senior AI Driven Analytics & Automation Engineer

Tamarind Intelligence is seeking a Business Operations Engineer in Barcelona. This role involves understanding business processes and delivering AI-powered solutions to improve operational excellence. The ideal candidate will have strong programming skills in Python or Java, experience with LLMs, and D ...

Product Engineer (AI & Full Stack) (Getafe)

Product Engineer (AI & Full Stack) – PROXUS En PROXUS estamos ampliando el equipo de producto y desarrollo. PROXUS es un proyecto iniciado hace 2 años por cuatro compañeros de la universidad y hoy cuenta con más de estudiantes en toda España. Construimos la plataforma con la que nos habrí ...

DAM Integration Engineer – AI, Cloud & Martech

Astek Iberia is seeking a Global DAM Integration Developer to enhance technical foundations in a large consumer healthcare organization. The role involves designing and integrating various platforms, including Veeva and creative tools like Canva and Figma. The ideal candidate will possess over 5 years ...

Remote Cloud Data & AI Platform Engineer

KBC Technologies Group is seeking an experienced professional to design, develop, and deploy high-performance data platforms in Madrid, Spain. The ideal candidate has over 5 years of expertise in cloud enterprise solutions. Strong proficiency in the GCP stack and advanced Python skills are mandatory, a ...

Localization ML Engineer: AI Pipelines & MLOps

A leading video game company in Madrid seeks a Machine Learning Engineer to enhance their localization efforts. You will design and maintain ML systems, collaborate with data professionals, and ensure quality in AI-driven solutions. The ideal candidate has over 2 years of experience, strong skills in Python, and ...

Senior Full Stack Engineer with AI

About Lasting Dynamics Lasting Dynamics is an independent software company founded in 2015, built without external investments. We grow through long-term partnerships rather than high-volume delivery. Many of our partners come to us after unsuccessful outsourcing experiences and stay with u ...

AI Value Engineer Process Transformation & Growth

Celonis, a leader in Process Intelligence, is looking for a Value Engineer to drive data-driven business transformation. You will collaborate with the Sales Team to develop strategies for winning accounts and delivering value. Your role will blend consulting and technical skills to demonstrate the capabilitie ...

Product Operations Engineer AI Platform & Deployments

A high-growth AI startup in Cataluña is seeking a Product Operations Engineer. You will act as the operational backbone of the product team, coordinating between Engineering, Deployments, and GTM. This role demands technical literacy, strong analytical abilities, and outstanding communication skills. With compen ...

Graduate Software Engineer: AI Driven Ownership

Bending Spoons is seeking software developers in Andalusia, Spain to build impactful software systems. You will own projects from inception to production, working collaboratively in talented teams. The ideal candidate is ambitious, reasoned, and proficient in English. We offer competitive pay, flexible ...

Staff Software Engineer Distributed Systems & AI

Equinix is seeking a Staff Software Engineer in Madrid to design and maintain a distributed automation platform. This role involves developing features from database schema to UI, and enhancing automated test frameworks while ensuring system reliability. The ideal candidate will have strong skills in P ...

Senior Sales Engineer Data & AI Security

Veeam is the Data and AI Trust Company, specializing in helping organizations ensure their data and AI are fully understood, secured, and resilient to enable the acceleration of safe AI at scale. As the market leader in both data resilience and data security posture management, Veeam is built for the conve ...

AI Engineer — Full Stack & Generative UI

commercetools is looking for a full-stack developer with expertise in LLMs for their Valencia office. You will own AI capabilities end-to-end, building agent loops and overseeing production software. The ideal candidate has at least 5 years in software development and experience with UI protocols. The ...

AI Infrastructure Engineer (GPU) Remote EMEA

Overview Location: Fully remote (EMEA timezone) Start date: ASAP Languages: Fluent English required Industry: Cloud Computing / AI / European Deep-Tech SaaS About The Role Pragmatike is recruiting on behalf of a fast-scalin ...

Senior AI Backend Engineer — NLP & LLMs

Aircall, based in Madrid, seeks a Senior Backend & AI Engineer to design and implement AI features critical to business operations. The role requires solid AI experience and back-end development skills. You will collaborate with teams to create AI solutions, ensuring quality and performance while mentoring co ...

Senior Autonomy Software Engineer | Robotics & AI

ANYbotics in Barcelona is seeking a Senior Software Engineer to join their Autonomy team. The ideal candidate will have extensive experience in software delivery and architecture, contributing to advanced robotics solutions. You will lead software development efforts, ensuring high-quality performance in chal ...

AI Driven Full Stack Product Engineer

PROXUS busca un Ingeniero de Producto (IA & Full Stack) en Las Rozas de Madrid. Estarás involucrado en la creación de una plataforma innovadora para ayudar a los estudiantes a mejorar su organización y rendimiento académico. Este rol ofrece la oportunidad de tener un impacto real en miles de estudiante ...

AI Engineer (Student) Workflow Automation & Prototyping

GTD, Ingeniería de Sistemas y de Software, S.A. is seeking an enthusiastic undergraduate or master’s student to join their team in Bellprat, Cataluña. The intern will work on innovative AI solutions that support engineering workflows, including tasks like requirements management and documentation automation. ...

Senior AI QA Engineer for Gaming

Aristocrat is looking for a Senior QA AI Engineer in Barcelona. In this hybrid role, you will explore and evaluate AI tools to enhance QA processes. Your responsibilities will include building AI-assisted quality checks and collaborating with various teams to ensure product quality. The ideal candidate ...

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