183,789+ Software Engineer Intern Fullstack Ai Python React Jobs in Spain — Top Companies Hiring June 2026

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Senior Sales Engineer Data & AI Security

Senior Sales Engineer - Data & AI Security Madrid, Spain Veeam, the #1 global market leader in data resilience, believes businesses should control all their data whenever and wherever they need it. Veeam provides data resilience through data backup, data recovery, data portability, data s ...

Forward Deployed AI Engineer (all genders)

We’re looking for a hands‑on AI Engineer who’s passionate about turning AI into real business impact. In this role, you’ll build and ship production‑ready AI systems, work comfortably in fast‑changing environments, and focus on solutions that deliver measurable value. You understand that successful AI is a ...

Senior AI Engineer for Revenue & GTM

Insider, Inc. is looking for a Senior AI Engineer for Revenue & Go-To-Market in Barcelona. In this role, you'll focus on building AI solutions and transforming operations while collaborating with technical teams. This position offers flexible time off, comprehensive health insurance, and a lively work ...

Remote AI Engineer — Agentic Systems & AWS

Kairós Digital Solutions SL busca un AI Engineer apasionado para unirse a su equipo de Data&IA. Este rol involucra diseñar y desarrollar sistemas de IA que transforman procesos reales, colaborando en un entorno innovador y multidisciplinario. Los candidatos deben tener entre 3 a 6 años de experiencia, ...

Senior AI Engineer, Revenue & GTM Automation

Lighthouse in Barcelona is seeking a Senior AI Engineer for Revenue & Go-To-Market, dedicated to transforming internal operations through innovative AI solutions. You'll address complex business problems, optimizing workflows and collaborating with domain experts to drive measurable success. This role ...

Founding Senior Applied AI Engineer 2

Si llevas tiempo construyendo aplicaciones con LLMs, probablemente has pasado por la curva. El primer prototipo deslumbra: un prompt bien afinado, una respuesta convincente, una demo que vende sola. El segundo flujo añade retries y validaciones, porque el primero se rompía en cuanto un usuario hacía algo i ...

Staff Engineer — Performance, Reliability & AI Automation

We are looking for a Staff Software Engineer to join our DX and Performance team at Factorial, focused on performance, reliability, observability, load testing, and AI‑assisted engineering workflows. Responsibilities Define and evolve SLIs and SLOs for critical product journeys. < ...

Remote Blockchain Support Engineer: AI Automation

Crypto.com is seeking a candidate for the blockchain security team in Barcelona, Spain. The role involves ensuring the stability of production applications and managing blockchain infrastructure, alongside leveraging AI for operational efficiency. The ideal candidate will possess strong communication s ...

Senior Generative AI Engineer — Flexible Hours

Ayesa Digital busca un/a Ingeniero/a Senior en Inteligencia Artificial Generativa para unirse a su equipo en Vitoria, España. El puesto se centra en el desarrollo de soluciones de IA Generativa y ofrecerá la oportunidad de trabajar en proyectos innovadores y de alto impacto tecnológico. Los candidatos ...

Principal AI & Data Governance Solutions Engineer

OneTrust is seeking a Principal Solutions Engineer to lead the technical strategy for complex AI and data governance solutions. Your role involves working with enterprise customers to shape how they govern AI and data while ensuring business outcomes. This position requires over 10 years of experience in Solu ...

Growth Engineer: AI Powered Marketing & Automation

Clutch Canada is hiring a Growth Marketing Manager in Barcelona, Spain. You’ll leverage AI tools to understand users' journeys—from awareness to conversion—optimizing processes and automating workflows. This role requires collaboration with design and product teams to enhance marketing strategies. Idea ...

Senior AI Engineer: Revenue & GTM Optimization

Albert Invent in Barcelona is looking for a Senior AI Engineer for Revenue & Go-To-Market. You will transform operations using AI to solve complex business problems and optimize workflows, playing a key role in a decentralized AI team. This role involves designing AI solutions, collaborating with domai ...

Senior AI Solutions Engineer (People & Talent)

Requirements A strong background in Software Engineering and Integration Engineering Hands-on experience experimenting with various AI tools and building out new, AI-driven workflows in production Proven business understanding and experience working in a business-facing ...

Senior Platform Engineer — Agentic AI & Harness

Kyndryl is seeking a Senior Platform Engineer to design and build agent harness systems in Madrid, Spain. The role focuses on integrating technologies for agent productivity and ensuring seamless operation within varied teams. Ideal candidates will have 5+ years of experience in Platform Engineering or ...

Generative AI Backend Engineer | GraphQL & FastAPI

Astek is hiring a Backend Engineer to support a fintech partner in Spain. The role focuses on creating robust backend systems that power AI applications. The ideal candidate will have a degree in Computer Science and 1–2 years of experience in backend development. Proficiency in Python, FastAPI, and Gr ...

Azure Backend & AI Engineer Full Stack

IT Partner busca un Full Stack Developer con fuerte orientación a backend para unirse a un equipo técnico internacional. Participarás en el diseño, desarrollo y evolución de soluciones cloud modernas basadas en Azure, APIs e inteligencia artificial. El candidato ideal tendrá más de 5 años de experienci ...

AI Driven Backend Engineer for LLMs

FMIT Technologies S.L. in Málaga is looking for a motivated Backend Engineer eager to work with AI technologies, especially Large Language Models (LLMs). The role involves developing and integrating AI-powered features while maintaining backend engineering standards. Join a collaborative environment th ...

AI Delivery Engineer for Insurance Platforms

NTT DATA Europe & Latam in Madrid is seeking an AI Engineer to support and implement the AI backbone essential for real engineering workflows. This role focuses on ensuring that AI-driven outputs are robust, scalable, and accurate within insurance-related transformation work. You will work closely with ...

Senior Java Backend & AI Platform Engineer

Experis España busca un/a desarrollador backend JAVA para unirse a su equipo en Málaga. La persona seleccionada se encargará de diseñar e implementar servicios utilizando tecnologías de backend, trabajando en funciones relacionadas con modelos de lenguaje grande (LLM) y optimización de rendimiento en la nube. ...

Intent Engineer: AI Driven Requirements & Delivery

NTT DATA Europe & Latam in Barcelona is looking for an Intent Engineer to bridge business needs with AI technology. This role demands strong skills in business analysis, requirements engineering, and BPM methodologies. The ideal candidate will have around 4 years of relevant experience, be proficient i ...

AI First Lab Diagnostics Project Engineer

Clinisys is seeking a Technical Project Engineer in Orihuela, Spain. This role involves installing and upgrading GestLab solutions while working closely with clients. Strong communication skills and a background in database management are essential for success. The position requires fluency in Spanish ...

Conversational AI Operations Engineer — Flexible Hours

Capitole busca un profesional para brindar soporte técnico en IA con más de 2 años de experiencia en plataformas como Cognigy. Las responsabilidades incluyen la gestión de incidentes y la evaluación de interacciones en asistentes de IA. El candidato ideal debe tener habilidades en resolución de problem ...

Freelance Optical Engineer & AI Problem Designer

Mindrift is connecting specialists with project-based AI opportunities for leading tech companies in Valencia, Spain. This opportunity involves designing computational physics problems and requires a degree in physics and proficiency in Python. Contributors can earn up to $29 per hour based on their level and ...

Platform Engineer – Agentic AI & Harness Engineering

Overview 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, a ...

AI Solutions Sales Engineer GTM Lead

A leading AI solutions company based in Spain is looking for a GTM Technical Expert to design and demo an innovative product. This role requires 5-7+ years of experience in Sales Engineering and bilingual proficiency in Spanish and English. The ideal candidate will work cross-functionally to improve the product ...

Senior Data Engineer Pipelines, Snowflake & AI

Ein führendes Pharmaunternehmen sucht einen erfahrenen Data Engineering Specialist in Barcelona. In dieser Rolle sind Sie für die Entwicklung und Optimierung von Datenpipelines verantwortlich, um KI- und ML-Initiativen zu unterstützen. Sie bringen mehr als 5 Jahre Erfahrung in der Backend-Entwicklung, umfangreic ...

Product Engineer, AI Driven Travel Platform

A leading travel tech company in Madrid is seeking a Software Engineer to help innovate and enhance their dynamic holiday offerings. You will collaborate with cross-functional teams, take ownership of solutions, and leverage AI in product development. The ideal candidate is experienced in JVM programming languag ...

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 ...

Real Time Energy Data & AI Engineer

Grenergy busca incorporar un/a Data & AI Engineer para diseñar soluciones de datos e IA que impacten en la operación de activos energéticos. Las responsabilidades incluyen construir pipelines de datos, diseñar arquitecturas de datos y desarrollar APIs REST. Se requiere al menos 5 años de experiencia en ...

Senior AI Engineer — Production ML & GenAI

HR Talent House SA busca un Ingeniero de IA en Barcelona para diseñar y desplegar soluciones de inteligencia artificial. El candidato ideal tendrá 5-6 años de experiencia en el campo y dominará Python y frameworks de aprendizaje automático como TensorFlow y PyTorch. Se requiere experiencia en despliegu ...

AI Full Stack Engineer Flexible/Remote

Tamarind Intelligence busca un Desarrollador Full-Stack en Barcelona. Este rol es fundamental para construir y escalar productos de IA, utilizando un stack moderno como Next.js y NestJS. Los postulantes deben tener una sólida experiencia en TypeScript, así como experiencia en frontend y backend. Ofrece ...

(Senior) Principal Solutions Engineer AI Governance

Strength in Trust OneTrust’s mission is to enable innovation through the responsible use of data and AI. We believe that ensuring data is trusted shouldn’t slow teams down—it should accelerate what’s possible. This led us to develop the first technology platform for responsible data use in 2016. ...

Remote Product Engineer, Property Management AI

PropHero, an AI-driven marketplace located in Madrid, is seeking a Product Manager skilled in software engineering and AI to own and build property management tools. Candidates should have over 3 years of experience, a strong product mindset, and proven collaboration skills. The role involves full product lifecy ...

ML/AI Platform Engineer (100% Teletrabajo)

Capitole Consulting sigue creciendo ¡y queremos hacerlo contigo! Buscamos un/a ML/AI Platform Engineer (MLOps / AIOps / LLMOps) con 2–4 años de experiencia para incorporarse a un entorno tecnológico internacional, participando en la evolución de soluciones técnicas dentro del ecosistema de I ...

Platform Solutions Engineer Deployment & AI Enablement

We are seeking a skilled and dynamic Technical Solutions Engineer to join our team and play a critical role in deploying, supporting, and optimizing our platform solutions. This position requires a blend of technical expertise, problem‑solving skills, and project‑management acumen to ensure the seamless op ...

Cybersecurity Engineer for Network Security AI

Overview At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to thrive both personally and professionally. T ...

Senior AI Engineer for People & Talent

Job Details People & Talent Department Spain - Barcelona Full-Time/Hybrid What you will do You will join as a Senior AI Engineer for People & Talent, focused on transforming our internal operations. You will be at the forefront of using AI to so ...

QA Engineer — AI Driven Biotech Platform

Biorce, a pioneering Healthtech company in Barcelona, is looking for a Quality Engineer to design systems that redefine clinical trials. You will be responsible for ensuring the reliability of AI-driven platforms, collaborating with teams and driving quality metrics. Join a diverse and dynamic team com ...

Remote AI Engineer: Backend & Agent Orchestration

Product Hackers busca un/a Software Engineer en Madrid con fuerte enfoque en IA y más de 2-3 años de experiencia en desarrollo de software. El candidato ideal deberá dominar Python y TypeScript y tener experiencia práctica en la integración de IA en productos reales. La empresa ofrece un entorno remoto ...

AI Calling Security Engineer (Cloud & Telco)

T-Systems Iberia in Madrid is seeking an ACS Security Engineer specializing in cloud-native technologies. The position entails responsibilities such as managing OneiDNS services, overseeing VoIP Support Systems, and operating within a DevOps framework for deployment and engineering. The ideal candidate will have ...

AI QA Automation Engineer (Playwright + TS)

LearnWise AI in Barcelona seeks a QA Engineer to build and scale test automation for our AI-driven tools used in higher education. Your role involves designing tests, improving reliability, and collaborating closely with teams. Strong Playwright experience is essential, along with a solid background in softwa ...

Remote Full Stack AI DevTools Engineer

Alan, a prevention-focused insurance company in Spain, seeks a full-stack Software Engineer to enhance their AI-native engineering capabilities. The ideal candidate will have over 3 years of experience in software engineering, building internal platforms, and be fluent in English. You will work collaborativel ...

Remote Full Stack AI DevTools Engineer

Alan, a prevention-focused insurance company, is seeking a Full-stack Software Engineer to enhance their AI-native engineering capabilities. The role involves building tools and infrastructure that empower both engineers and non-engineers to contribute effectively. The ideal candidate has over 3 years of expe ...

Staff Product Security Engineer — AI & Identity

Okta is looking for a Staff Product Security Engineer in Barcelona, Spain. The successful candidate will conduct security reviews, provide guidance on secure development practices, and engage in penetration testing responsible for safeguarding Okta's products. This role requires strong technical knowle ...

AI Driven SaaS Product Engineer (Hybrid)

haddock (YC W22) is seeking an experienced Software Engineer to work on SaaS applications and engineer AI workflows. Located in Barcelona, the role includes project management, technical solution architecture, and a balance of backend and frontend development. With 3+ years in engineering and Agile met ...

Founding Engineer: Enterprise AI Platform Lead

Hirevoice, located in Barcelona, seeks a talented Tech Lead to build a robust AI interviewing platform. You will create a technical backbone that is scalable and compliant while leading a hands-on team of developers. Ideal candidates will have 3+ years in tech leadership, building enterprise solutions, and ex ...

ML Engineer — AI Solutions & MLOps (Cloud)

NTT DATA Europe & Latam busca un profesional especializado en Inteligencia Artificial y Machine Learning para unirse a su equipo de Digital Technology. Ofrecemos un contrato indefinido y la oportunidad de trabajar en proyectos innovadores para clientes de primer nivel en toda Europa, en un entorno híbrido. </ ...

Senior Robotics AI and Simulation Engineer

ABOUT THE ROLE In this role, you will design and develop AI-driven robotics solutions for clients across healthcare, retail, automotive, and enterprise sectors. You will build production-ready systems and rapid prototypes - from perception pipelines to reinforcement learning workflows – that br ...

Senior Robotics AI and Simulation Engineer

ABOUT THE ROLE In this role, you will design and develop AI-driven robotics solutions for clients across healthcare, retail, automotive, and enterprise sectors. You will build production-ready systems and rapid prototypes - from perception pipelines to reinforcement learning workflows – that br ...

Senior Robotics AI and Simulation Engineer

ABOUT THE ROLE In this role, you will design and develop AI-driven robotics solutions for clients across healthcare, retail, automotive, and enterprise sectors. You will build production-ready systems and rapid prototypes - from perception pipelines to reinforcement learning workflows – that br ...

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