157,822+ Ai Driven Fullstack Engineer Java 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

Senior AI/ML Network Engineer – Hybrid, Training & Growth

Kapres Technology, S.L. busca un Ingeniero de Red Senior en Madrid para trabajar en un entorno ágil. La principal responsabilidad incluirá el desarrollo y mantenimiento de directrices de arquitectura y modelos predictivos utilizando AI. Se requiere una licenciatura en ciencias de la computación, experiencia en l ...

Senior Spring Boot Engineer — Hybrid, Career Growth, AI

Una consultora de recursos humanos busca un desarrollador backend para trabajar en un proyecto de compras utilizando SpringBoot. El candidato debe tener experiencia en plataformas de desarrollo y gestión de tareas, así como en arquitecturas hexagonales y entornos relacionales. Se ofrece un contrato indefinido, m ...

Senior Golang Backend Engineer for Enterprise IT & AI

A global reinsurance company seeks a Senior Backend Engineer in Madrid. This role requires strong Golang skills to develop core backend services for an enterprise IT ecosystem. You'll work with a diverse team and contribute to system stability and AI integration. Ideal candidates have 3+ years in Golang and 8+ y ...

Senior ML Engineer Drive Real World AI Solutions

A data-driven technology firm is seeking a Senior Machine Learning Engineer to join their team in Valencia. You will conduct applied research using state-of-the-art techniques in machine learning, deploying solutions for business outcomes while collaborating with a diverse team. Candidates should possess profici ...

Industrial C#/.NET Engineer — MES/SCADA & AI Tools

A leading technology firm seeks a Software Engineer in Málaga, Spain, to design plant-level software and MES/SCADA systems for industrial manufacturing. Ideal candidates have 3-5 years of C#/.NET development experience, a solid grasp of object-oriented design, and familiarity with industrial protocols. Offering ...

QA Automation Engineer (Playwright + TypeScript + AI Testing) – Remoto

En ALTEN sabemos que el éxito de nuestros proyectos se debe a las personas que forman nuestro equipo. Por eso, si tienes pasión por la calidad del software, experiencia en automatización de pruebas y te interesa trabajar con tecnologías innovadoras basadas en inteligencia artificial, queremos conocerte. < ...

Senior IoT DevOps Engineer AWS Microservices AI Backend

Capitole busca un/a DevOps Engineer Senior para unirse a su equipo en España, con un mínimo de 6 años de experiencia. Este rol implica el desarrollo de soluciones técnicas en IoT y el análisis de requisitos en un contexto de seguridad multinacional. Las responsabilidades incluyen desarrollo backend, di ...

Lead Data Engineer for AI, Lakehouse & Data Mesh

Ust is seeking a Senior Data Lead Engineer in Málaga, Spain, to drive the development of cloud-based Data, AI, and BI platforms. This role is pivotal for shaping lakehouse architecture and enabling AI/ML use cases across teams. As a leader, you will manage the data roadmap ensuring scalability and qual ...

Lead Data Engineer for AI, Lakehouse & Data Mesh

Ust is seeking a Senior Data Lead Engineer in Barcelona to lead the evolution of our cloud-based Data, AI, and BI platforms. This role involves shaping our lakehouse architecture and enabling various AI and ML use cases. The ideal candidate has over 5 years of experience in Data Engineering, with prove ...

Senior Data Engineer EY wavespace AI Data CoE

At EY wavespace - AI & Data CoE, we are a diverse, multicultural team at the forefront of technological innovation, working with cutting‑edge technologies like Gen AI, data analytics, robotics, etc. Our center is dedicated to exploring the future of AI and Data. What We Offer Join o ...

Palantir Foundry Data Platform Engineer — AI & RAG Lead

Luxoft Spain is looking for an expert Palantir Platform Engineer with profound experience in data engineering, tasked with maximizing the value of Foundry and AIP. You will manage and optimize the Palantir data platform, ensuring security and high performance. The ideal candidate has a minimum of 10 ye ...

AI Platform Engineer: GPU Kubernetes in Secure Environments

Airbus Defence and Space is looking for an AI Platform Engineer to design and manage high-performance Kubernetes infrastructure for AI in high-security environments. The role demands solid DevOps experience, a degree in a relevant field, and advanced skills in Python and Linux. Benefits include vacation days, a ...

(Senior) Principal Solutions Engineer AI and Data 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. ...

ML Engineer (Founding Team) AI Drug Discovery (Madrid)

CT19 is partnering with an early-stage venture-backed biotechnology technology company that is building next-generation AI systems to help scientists better understand, model, and engineer complex biological systems. The company is developing a platform that combines experimental data, scientific kn ...

Senior Generative AI Engineer – Transform High Impact Projects

Ayesa Digital, ubicada en Madrid, busca un/a Ingeniero/a Senior en Inteligencia Artificial Generativa para unirse a su equipo. La persona seleccionada trabajará en proyectos innovadores utilizando soluciones de IA Generativa y Python. Ofrecemos un entorno laboral flexible, políticas de conciliación y r ...

Senior AI & NLP Engineer All European Careers (Córdoba)

For a European institution in Brussels, Belgium, we are looking for a Senior AI & NLP Engineer. Candidates need to be fluent in English. A work permit is required, but not provided. This position is open for contractors. Responsibilities Development and maintenance of software a ...

Forward Deployed AI Engineer, Internship, 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 ...

AI Systems Engineer: Autonomous Agents & Open Source Remote

Clidrive busca un/a Desarrollador/a de software con IA en Galicia. El candidato se encargará de liderar proyectos técnicos, enfocándose en la creación de agentes autónomos y el desarrollo de modelos Open Source. El equipo prioriza la calidad y automatización, ofreciendo un contexto vibrante, fle ...

Lead Data Engineer for AI, Lakehouse & Data Mesh

Ust in Spain is seeking a Senior Data Lead Engineer to drive the evolution of their cloud-based Data, AI, and BI platforms. You will play a key technical leadership role in shaping the architecture and enabling advanced use cases. The role requires over 5 years of experience in Data Engineering and a s ...

GenAI & ML Platform Architect — Insurance AI Engineer (Cloud)

SOPRA STERIA GROUP busca un/a Artificial Intelligence Engineer en Barcelona para participar en un proyecto internacional en el sector asegurador. La misión incluye diseñar y construir capacidades basadas en IA para nuevos productos. Se requiere experiencia de 5 años y conocimientos en técnicas de IA, d ...

Senior GenAI Engineer & AI Solutions Architect – Cloud Native

act digital busca un/a perfil senior especializado/a en IA Generativa y desarrollo backend en Las Palmas de Gran Canaria. La persona será responsable de llevar soluciones de IA desde la fase de diseño hasta producción, participando en iniciativas que incluyen automatización y asistentes inteligentes. S ...

Computer Vision & AI Engineer for Real Time Security

Vicomtech is looking for a Computer Vision and Artificial Intelligence Engineer in Bilbao to design and develop advanced algorithms focused on security video analytics. The role entails collaboration with cross-functional teams and participation in cutting-edge research, providing a dynamic work environment. ...

Remote AI Software Engineer: Lead Autonomous E2E Agents

Clidrive busca un/a Desarrollador/a de software con IA para liderar proyectos técnicos centrados en datos y soluciones de negocio reales. Necesitamos un profesional con al menos 3 años de experiencia, fuerte en Python y capable de implementar modelos de IA/LLMs. Ofrecemos un entorno dinámico y un puest ...

Senior AI & NLP Engineer — ML, MT & Model Training

All European Careers busca un Ingeniero Senior de IA y NLP para una institución europea en Bruselas. El candidato se encargará de desarrollar y mantener software de NLP/ML/AI, entrenar modelos y mejorar la calidad de traducción. Es esencial tener experiencia en el desarrollo de software relacionado con ...

AI Engineer: End to End Content Architect (Azure)

ALTEN en Galicia busca un AI Engineer- E2E Content Manager. El candidato diseñará y desarrollará soluciones de inteligencia artificial para optimizar el ciclo de vida del contenido, desde la generación hasta la distribución usando modelos de IA y Azure. Se requieren habilidades en desarrollo de softwar ...

Lead Data Engineer: AI First Pipelines & Tech Leadership

Lighthouse in Barcelona is seeking a Team Lead for Data Engineering to guide a skilled team in creating and maintaining sophisticated data pipelines. In this crucial role, you will blend technical leadership with people management to enhance data quality and system performance while building an AI-first devel ...

Senior Generative AI Engineer: Backend, RAG on AWS

act digital busca un perfil senior especializado en IA Generativa y desarrollo backend con Python. La persona seleccionada participará en el desarrollo de agentes IA, sistemas RAG y arquitecturas basadas en microservicios, asegurando la construcción de soluciones robustas desde el diseño hasta la producción. ...

AI Engineer — End to End Content for Pharma

ALTEN busca un AI Engineer - E2E Content Manager en Santa Cruz de Tenerife para diseñar e implementar soluciones de inteligencia artificial. Si tienes más de 4 años de experiencia y un sólido conocimiento en Azure AI y modelos generativos, esta es tu oportunidad. El rol incluye la gestión de proyectos ...

ML Engineer (Founding Team) AI Drug Discovery (Marzán)

CT19 is partnering with an early‑stage venture‑backed biotechnology technology company that is building next‑generation AI systems to help scientists better understand, model, and engineer complex biological systems. The company is developing a platform that combines experimental data, scientific kn ...

Senior Generative AI Engineer — Build Innovative LLM Solutions

Ayesa Digital busca un/a Ingeniero/a Senior en Inteligencia Artificial Generativa para proyectos innovadores en Ibiza. Se valoran habilidades en Python y frameworks de IA Generativa como LangChain. Se ofrece crecimiento profesional y participación en proyectos de alto impacto tecnológico. Si te apasion ...

Data Platform Engineer for AI Enabled ETL & Pipelines

Luxoft Spain is seeking an experienced Palantir Platform Engineer in Barcelona. The ideal candidate will manage and optimize Palantir data platform, ensuring high availability and performance. They should translate complex needs into scalable solutions, and design AI-powered workflows. Minimum 10 years ...

QA Automation Engineer (Playwright + TypeScript + AI Testing) – Remoto

En ALTEN sabemos que el éxito de nuestros proyectos se debe a las personas que forman nuestro equipo. Por eso, si tienes pasión por la calidad del software, experiencia en automatización de pruebas y te interesa trabajar con tecnologías innovadoras basadas en inteligencia artificial, queremos conocerte. < ...

Senior GenAI Engineer AI Agents & Cloud Native Dev

act digital en Bilbao busca un/a perfil senior especializado/a en IA Generativa y desarrollo backend. La persona será responsable de llevar soluciones de IA desde el diseño hasta la producción, participando en iniciativas de automatización y asistencias inteligentes. El candidato ideal cuenta con exper ...

GenAI Engineer for LLMs & AI Agents – Hybrid Madrid

Experis España está buscando un/a Ingeniero/a GenAI para unirse a su equipo en Madrid. Este rol híbrido implica diseñar, desarrollar y desplegar soluciones de IA generativa, trabajando en un entorno colaborativo e innovador. El candidato ideal tendrá más de 5 años de experiencia en desarrollo de softwa ...

Remote LLM & AI Engineer — Scalable Agents & ML Infra

Diverger, ubicada en Lérida, busca diseñadores de agentes inteligentes que integren LLMs, valorando experiencia en Python y arquitecturas asíncronas. Ofrecen un entorno dinámico y remoto con flexibilidad horaria, formación continua y beneficios como 23 días de vacaciones y retribución flexible. La empr ...

Senior AI Engineer Production ML for Finance Madrid

Oliver Bernard, located in Central Madrid, is seeking a Senior AI Engineer to build and productionise AI systems for trading, risk, and operations. The role emphasizes backend engineering in deploying reliable ML/LLM systems within a regulated environment. The position requires solid experience with LL ...

Mid Level AI & Platform Engineer Mosaic & Agent Platform

ADEREN is seeking a medior AI/Platform Engineer to support and implement Mosaic AI into a governed, multi-tenant platform. You will work on shipping golden paths, SDK/CLI/templates, and evaluation patterns. The ideal candidate should have solid experience with Databricks Mosaic AI tools, Python program ...

Senior Backend Engineer – Remote, Scalable Node.js & AI Travel

A leading travel tech company is seeking a Backend Engineer in Barcelona. This role focuses on developing high-quality software for an AI-powered travel platform. Candidates should have over 8 years of software development experience, with strong Node.js and JavaScript skills. You will work in a fast-paced remot ...

Senior AI Engineer for Revenue & Go To Market

Our Mission: Why Lighthouse? At Lighthouse, we’re on a mission to revolutionize commercial strategy as hospitality’s most powerful AI platform. We take the world’s largest hotel data network and transform it into real‑time intelligence that drives action. We don’t just deliver insights; we empowe ...

Senior Generative AI Engineer — Build Innovative LLM Solutions

Ayesa Digital busca un/a Ingeniero/a Senior en Inteligencia Artificial Generativa para proyectos innovadores en Ibiza. Se valoran habilidades en Python y frameworks de IA Generativa como LangChain. Se ofrece crecimiento profesional y participación en proyectos de alto impacto tecnológico. Si te apasion ...

Lead Design Systems Engineer for Kaizen & AI ready

Bsport is looking for a Senior Design System Engineer based in Barcelona, Spain. In this lead role, you will drive the architecture and vision of Bsport's design systems and work closely with design and product teams. The ideal candidate has over 4 years of front-end experience, strong skills in React and TypeSc ...

Senior Data Platform Engineer Real Time AI & Cloud

Empresa líder in Barcelona is seeking a Data Platform Engineer to design and manage their data ecosystem, driving strategic initiatives across various domains, including product and analytics. The ideal candidate will have over 7 years of experience in Data Engineering, with expertise in Snowflake, Azu ...

Danish Language Engineer for AI & NLP (Onsite Barcelona)

M47 in Barcelona seeks a skilled AI Developer to contribute to our AI Voice Assistant project. You will ensure effective user interactions by helping train Machine Learning models and improving their responsiveness across languages. This role includes scripting in Python, troubleshooting technical issu ...

ACS Security Engineer AI Calling (m/f/d)

ACS Security Engineer - AI Calling (m/f/d) Full-time position at T‑Systems, part of the Deutsche Telekom Group. Project Description At the Telco Hub in Madrid, we are pioneers in merging IT and Telco, building and scaling Telco as a Platform (TaaP) on our proprietary layered clo ...

(Senior) Principal Solutions Engineer AI and Data 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. ...

Generative AI & LLM Engineer — Cloud Native ML Ops

NTT DATA Europe & Latam busca perfiles con especialización en IA Generativa para unirse a su equipo de Digital Technology en A Coruña. Se requiere experiencia en modelos de lenguaje y colaboración en entornos multidisciplinares. Ofrecemos contrato indefinido, acceso a formación continua, trabajo híbrid ...

Lead Python Backend Engineer AI Platform, Flexible Hours

A leading software development company in Barcelona is seeking a Senior Software Engineer (Python / Backend) to lead backend development and contribute to an AI-powered platform. Candidates should have over 4 years of experience in Python, strong problem-solving skills, and the ability to work independently. Thi ...

AI/LLM Rails Engineer Build Fast, Deliver Value

Requirements You have led and built multiple large Rails applications, and you always strive for excellence ,You are pragmatic, making the right trade-offs that favor speed of iteration while maintaining high product quality ,You are driven by delivering the best experience ...

Senior Full Stack Python Engineer – AI Platform (Remote)

N-iX is looking for a Senior Full‑Stack Engineer to join their team in Madrid. This role will focus on building and maintaining core components of an AI-powered document processing platform. The ideal candidate should have extensive experience with Python and TypeScript, able to develop scalable APIs a ...

Senior Vue.js Frontend Engineer AI Contact Center Platform

Experis España busca un/a Frontend Developer (Mid/Senior) en Las Palmas de Gran Canaria para un proyecto innovador en inteligencia artificial. El rol implica diseñar y desarrollar una plataforma escalable, centrada en UX y arquitectura moderna frontend. Se ofrece teletrabajo con posibilidad ocasional d ...

🚀 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...

    Ai Driven Fullstack Engineer Java React Jobs in Spain Job Search Guide, Trends and Insights