179,787+ Software Engineer Intern Fullstack Ai Python React Jobs in Spain — Top Companies Hiring June 2026

Professional job seekers finding Spain jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Hands On AI Solutions Engineer (GenAI & ML)

Infoser New Technologies in Vitoria, Spain, is seeking a Data Scientist to join its AI engineering team. This role requires strong Python and machine learning skills to develop AI-driven solutions for real business needs. The ideal candidate will have a practical approach, experience in model optimizat ...

Staff Web Platform Engineer: Scale, AI & Impact

Dow Jones & Company, Inc. is seeking a Staff Software Engineer located in Bellprat, Cataluña, to join their Web Platform Team. The ideal candidate will have over 7 years in software engineering and 3–5 years in a lead role, driving technical strategy and optimizing development processes for B2B and B2C soluti ...

Senior Systems Engineer Cloud, AI & Robotics (Remote)

R&F CONSULTORES en Valencia busca un/a Ingeniero/a Senior de Sistemas para unirse a su equipo de ingeniería en una multinacional especializada en robótica. El puesto es 100% remoto y ofrece un ambiente de trabajo innovador con proyectos en IA, Robótica y Cloud. El candidato ideal tendrá más de 10 años ...

Hands On AI Solutions Engineer (GenAI & ML)

Infoser New Technologies in Córdoba, Spain is searching for a Data Scientist with a strong emphasis on AI solution development. The role involves designing and iterating machine learning solutions and requires solid Python skills in a collaborative and innovative environment. The ideal candidate will h ...

Hands On AI Solutions Engineer (GenAI & ML)

Infoser New Technologies is seeking a Data Scientist / AI Solutions Developer in Valencia, Spain. The successful candidate will design and develop machine learning solutions in a fast‑moving AI engineering environment. Key responsibilities include end-to-end development of AI solutions, collaborating w ...

Generative AI Engineer Real World Solutions (Remote)

Infoser New Technologies in Palma, Spain, is seeking a Data Scientist / AI Solutions Developer to create impactful AI and machine learning solutions. The ideal candidate will have hands-on experience in Python and machine learning to drive real business value. This full-time position promises exciting ...

AI Driven GTM Engineer for Growth & Automation

Bridged - Event Growth Platform in Málaga is seeking a skilled individual to build AI-driven workflows for targeting enterprise accounts and optimize sales processes. You will work on launches of GTM campaigns and monitor funnel metrics for improved performance. The ideal candidate has at least 2 years ...

Generative AI Engineer Remote, Flexible Hours & Growth

Mática Partners en Gijón busca un/a Ingeniero/a de IA con experiencia en IA Generativa. El candidato ideal tendrá 3-4 años de experiencia en Python y en la integración de LLMs. Se ofrece un contrato indefinido con un salario competitivo adaptado a la experiencia demostrada en proyectos de IA Generativa. < ...

Data Lakehouse Lead Engineer AI & Platform Architect

Ust, a multinational company in La Coruña, is seeking a Senior Data Lead Engineer. This role involves driving the evolution of cloud-based Data, AI, and BI platforms, and leading the data roadmap while ensuring scalability and security. The ideal candidate will have over 5 years of experience in Data E ...

Computer Vision & ML Engineer — Production‑Ready AI

Neural Grader in Paradela, Spain seeks a candidate to design and develop machine learning models and optimize computer vision algorithms. As part of an international team, you will work on innovative solutions that drive efficiency in lumber sawmills worldwide. The role requires experience in machine l ...

Senior Genai Engineer / Ai Solutions Architect (León)

Qué buscamos Buscamos un/a perfil senior especializado/a en IA Generativa, desarrollo backend y arquitecturas cloud-native, con experiencia llevando soluciones de IA desde la fase de diseño hasta producción. La persona participará en iniciativas de automatización, asistentes inteligentes y ...

AI Content Gen Engineer — Azure LLMs & Pipelines

Astek busca un Especialista en AI en Sevilla para diseñar soluciones automáticas de generación de contenido. El candidato ideal tiene más de 8 años de experiencia en desarrollo de software y un fuerte conocimiento en AI/ML, participando en la creación de aplicaciones escalables a través de servicios de Azure. ...

Senior Data Platform Engineer: AI Powered Workflows

Luxoft Spain busca un Palantir Platform Engineer con experiencia en ingeniería de datos y desarrollo de flujos de trabajo impulsados por IA. El candidato ideal debe tener más de 10 años de experiencia en IT, y un mínimo de 5 años como Ingeniero de Plataforma de Datos, incluyendo 3 años con Palantir Foundry. < ...

Senior Genai Engineer / Ai Solutions Architect (Gijón)

Qué buscamos Buscamos un/a perfil senior especializado/a en IA Generativa, desarrollo backend y arquitecturas cloud-native, con experiencia llevando soluciones de IA desde la fase de diseño hasta producción. La persona participará en iniciativas de automatización, asistentes inteligentes y solucio ...

Material Engineer for AI Simulation & Engineering Problems

Mindrift is seeking contributors for project-based AI opportunities in Valencia, Spain. Participants will design engineering problems and validate solutions using Python, focusing on real-world applications. Candidates should possess a degree in Material Science or a related field, and have at least 2 ...

Senior Java Engineer AI Driven APIs & Systems

Diverger busca incorporar talento a su equipo de Java en Vitoria, España. El candidato ideal debe estar familiarizado con las últimas novedades de Java/SpringBoot y tener experiencia en el desarrollo API-first, así como en REST, GraphQL y gRPC. Se valorará también la familiaridad con colas Kafka y base ...

AI Driven GTM Engineer for Growth & Automation

Bridged - Event Growth Platform is looking for a professional to implement AI-driven workflows aimed at enhancing sales and marketing initiatives. The role involves building automation pipelines, optimizing revenue workflows, and participating in GTM campaign experiments. The ideal candidate will have ...

Senior AI Process Engineer 100% Remoto 50K

Estamos buscando varios perfiles Senior AI Process Engineer para incorporarse a un programa estratégico de transformación con IA a gran escala , trabajando en la automatización de procesos complejos mediante tecnologías basadas en LLM. Formarás parte de squads multidisciplinares ...

GenAI Engineer Internship: AI Use Case & Prototyping

Airbus Defence and Space is offering an internship as an Agentic AI & Use Case Management Intern, starting on 5th October 2026. This role is aimed at recent graduates from engineering or data science fields looking to innovate in the aeronautical sector. Responsibilities include strategic analysis and technical ...

Remote Backend Engineer for AI Powered Analytics

Marfeel is looking for a Backend Engineer to join their team in Barcelona. You will design and maintain backend services, utilizing Node.js and various databases while ensuring high performance and scalability of applications. The ideal candidate will have over 5 years of experience with a solid understanding of ...

AI Model Engineer: Embeddings & High Perf Architectures

FastS3, Inc. is seeking an AI Model Engineer in Madrid to build the backbone for AI-native data infrastructure. The role involves designing and optimizing embedding models and high-performance neural architectures for large datasets. Key responsibilities include model evaluation and collaboration with engineerin ...

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 ...

Reinforcement Learning Research Engineer for AI Systems

Framework Ventures in Madrid is looking for a member of the AI model team to innovate in reinforcement learning approaches. The selected candidate will develop and implement cutting-edge algorithms to optimize decision-making and performance for real-world challenges. A PhD in Computer Science or a related field ...

Backend Engineer — APIs, Cloud & AI Audio Platform

Speechify is seeking a backend developer to join their team in Medellín, Spain. The role involves designing and maintaining APIs, overseeing backend architecture, and collaborating on B2B solutions. Ideal candidates have proven experience with TS/Node, cloud platforms like GCP, and ideally Docker and Kubernetes ...

Internal Network Defense Engineer: AI Driven Segmentation

Roche seeks a Senior Cybersecurity Engineer for Internal Network Defense in Madrid, Spain. You will protect sensitive internal environments, design segmentation architectures, and manage firewalls like Palo Alto and Fortinet. The role requires 3+ years of experience, knowledge of automation tools like Ansible an ...

Salesforce Solutions Engineer for AI Automation (Remote)

Kuik! Software, IT & IA busca un/a Salesforce Solutions Engineer en Rentería, España. El candidato ideal tiene experiencia real con Salesforce, construyendo soluciones e integrando sistemas complejos. Se espera que diseñe automatizaciones y workflows escalables, participe en definiciones técnicas con los cliente ...

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 ...

Senior AI & Agentic Engineer Hybrid, Growth & Impact

EY is hiring a Senior AI / Agentic Engineer based in Málaga, Spain. The ideal candidate will have over 3 years of experience in AI engineering and will be adept at delivering AI-driven solutions in production environments. Responsibilities include designing and scaling agentic systems while collaborating with cr ...

Madrid‑Based Solutions Engineer — Enterprise Networking & AI

Cisco Systems, Inc. is seeking a Solutions Engineer to provide technical guidance for key accounts. You will design innovative solutions, engage in strategic collaborations, and ensure customer success in a hybrid setup. The ideal candidate has a minimum of two years in Cisco’s technical areas, deep in ...

GenAI Engineer: LLMs & AI Agents — Hybrid Madrid

Experis Manpower Group busca un/a GenAI Engineer para un importante proyecto en Madrid, donde se diseñarán y desarrollarán soluciones basadas en IA Generativa. El puesto requiere experiencia en Python y en la gestión de proyectos de IA, con un enfoque híbrido que incluye presencialidad dos días a la semana. < ...

Generative AI Data Engineer Azure Cloud & Systems

Metrica Consulting, S.L busca un/a Data Engineer con al menos 2 años de experiencia para unirse a un proyecto innovador en Inteligencia Artificial Generativa en Madrid. El candidato/a será responsable del mantenimiento y desarrollo de aplicaciones, gestión del ciclo de vida completo y optimización del ...

Application Support Engineer — Blockchain Security & AI Automation

At Crypto.com, our dedication to user security is led by our highly experienced Security Team. Comprising an international roster of seasoned cybersecurity experts, our team leads the company's Security, Privacy, and Security Compliance endeavors. The team includes holders of international patents ...

Senior Data Engineer, Banking Data & AI Platform

Talan Group recherche un ingénieur Data pour rejoindre son équipe à Málaga, en Espagne. Ce rôle implique la création de jeux de données et la participation à des projets de transformation autour des données et de l'Intelligence Artificielle. Le candidat idéal doit avoir au moins 6 ans d'expérience dans ...

Forward Deployed AI Engineer, Spain BCG X

Locations : Madrid | Barcelona Who We Are Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG was the pioneer in business strategy when it was founded in 1963. Today, we help c ...

Senior AI Research Engineer Model Inference Remote

About the Job We are looking for an experienced AI Model Engineer with deep expertise in kernel development, model optimization, fine‑tuning, and GPU acceleration. The engineer will extend the inference framework to support inference and fine‑tuning for language models with a strong focus on mobil ...

Data Engineer — Hybrid Cloud Analytics & AI Pipelines

Devops Academy in Málaga, Spain, is hiring a Data Engineer to design and develop analytics solutions using major cloud infrastructures like Azure and Google Cloud. Candidates should have a degree in STEM and at least 2 years of relevant experience. This role involves collaborating with teams, managing client rel ...

Senior AI Engineer: Full Stack Innovator (Hybrid)

HUBBLR GmbH in Spain is searching for a seasoned AI Engineer to work in a hybrid setting, primarily focusing on backend technologies like Golang and Node.js, as well as modern web frameworks such as Vue.js and React.js. Ideal candidates will have at least 4 years of experience and be comfortable with agile metho ...

Hybrid Valencia AI Engineer: LLMs for Healthcare

TRAK en O Chazo busca un/a AI Engineer para desarrollar la infraestructura de IA de un producto sanitario. Este rol es clave para definir cómo se emplea la IA, con un enfoque en crear funcionalidades que aporten valor tangible a pacientes y profesionales. El candidato ideal tiene experiencia en producc ...

Senior Unity Engineer Remote, AI Driven & Growth

Компания Playrix в Испании ищет разработчика игр с опытом на C++ и/или Unity. Роль включает программирование механик и оптимизацию игр. Предлагается оформление ДМС для сотрудников и их семей, а также поддержка профессионального роста. Работа возможна в гибком формате, включая удалённую работу. Идеальны ...

AI Solutions & Customer Engineer (Madrid o Barcelona)

Ubicación: Madrid o Barcelona (modelo híbrido) Desde Timup, consultora de selección, estamos colaborando con una compañía tecnológica especializada en Inteligencia Artificial que desarrolla soluciones para ayudar a organizaciones a evaluar, monitorizar y optimizar aplic ...

AI Solutions & Customer Engineer (Madrid o Barcelona)

Ubicación: Madrid o Barcelona (modelo híbrido) Desde Timup, consultora de selección, estamos colaborando con una compañía tecnológica especializada en Inteligencia Artificial que desarrolla soluciones para ayudar a organizaciones a evaluar, monitorizar y optimizar aplic ...

AI Solutions & Customer Engineer (Madrid o Barcelona)

Ubicación: Madrid o Barcelona (modelo híbrido) Desde Timup, consultora de selección, estamos colaborando con una compañía tecnológica especializada en Inteligencia Artificial que desarrolla soluciones para ayudar a organizaciones a evaluar, monitorizar y optimizar aplic ...

AI Solutions & Customer Engineer (Madrid o Barcelona)

Ubicación: Madrid o Barcelona (modelo híbrido) Desde Timup, consultora de selección, estamos colaborando con una compañía tecnológica especializada en Inteligencia Artificial que desarrolla soluciones para ayudar a organizaciones a evaluar, monitorizar y optimizar aplic ...

AI Solutions & Customer Engineer (Madrid o Barcelona)

Ubicación: Madrid o Barcelona (modelo híbrido) Desde Timup, consultora de selección, estamos colaborando con una compañía tecnológica especializada en Inteligencia Artificial que desarrolla soluciones para ayudar a organizaciones a evaluar, monitorizar y optimizar aplic ...

Senior AI Process Engineer 100% Remoto 50K

Estamos buscando varios perfiles Senior AI Process Engineer para incorporarse a un programa estratégico de transformación con IA a gran escala , trabajando en la automatización de procesos complejos mediante tecnologías basadas en LLM. Formarás parte de squads multidisciplinares ...

Senior AI Process Engineer 100% Remoto 50K

Estamos buscando varios perfiles Senior AI Process Engineer para incorporarse a un programa estratégico de transformación con IA a gran escala , trabajando en la automatización de procesos complejos mediante tecnologías basadas en LLM. Formarás parte de squads multidisciplinares enfocados en diseñar, construir y ...

Senior AI Inference Engineer: Mobile GPU + Vulkan

Framework Ventures is searching for an experienced AI Model Engineer in Madrid, Spain. The role involves optimizing kernels for language models while focusing on mobile and integrated GPU acceleration using Vulkan. Candidates should have strong C++ skills, experience in GPU acceleration, and a thorough understan ...

AI Platform Engineer — Scalable ML Infra (Madrid)

SustainRecruit Talent is seeking an AI Platform / MLOps Engineer based in Barcelona, Spain. The role involves building and operating scalable ML/AI platforms, focusing on automation and operational excellence. Adecuado candidates come from a Platform Engineering, DevOps, or ML Infrastructure backgro ...

Product Driven Senior Backend Engineer (AI & Microservices)

MASORANGE busca un/a desarrollador/a Backend para participar en la transformación digital de la empresa. Este rol requiere un enfoque profundo en el producto y autonomía completa en el ciclo de vida del software. Los candidatos deben tener experiencia con Java 21, arquitecturas de microservicios y dese ...

Associate Applied AI Engineer (APAC) Orbit Program

We’re Celonis, the global leader in Process Intelligence technology and one of the world’s fastest-growing SaaS firms. We believe there is a massive opportunity to unlock productivity by placing AI, data and intelligence at the core of business processes - and for that, we need your help. Care to join us? ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Buffering Video...

    Software Engineer Intern Fullstack Ai Python React Jobs in Spain Job Search Guide, Trends and Insights