1,342,551+ Ai Driven Full Stack Engineer Java Python Santander 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

Data Graph Engineer (Andalucía)

We are hiring a Data Graph Engineer to design and operate data graphs supporting advanced artificial intelligence use cases. Responsibilities Design and develop data graphs and knowledge graphs Integrate graph solutions into AI and machine learning projects Optimize t ...

Data Scientist / Data Engineer – AWS / Python / ML Engineering – Híbrido Madrid (Visitas cada 1[...]

Descripción del puesto En The Whiteam Consulting estamos buscando un/a Data Scientist con capacidades de Data Engineer y Machine Learning Engineer para incorporarse a un proyecto innovador enfocado en el desarrollo de Agentes de IA dentro de la AI Factory del clien ...

Lead Flutter Developer

OverviewRevise detenidamente toda la documentación de la solicitud antes de hacer clic en el botón de solicitar al final de esta descripción.Labhouse is a fast-growing startup that builds, launches, and scales its own AI & Productivity Apps, operating under a subscription-based business model.B ...

Tech Lead .Net

Nuestro partner es una empresa final del sector automoción, perteneciente a un grupo líder en España, con una estructura tecnológica en crecimiento y múltiples proyectos estratégicos en curso.Si los siguientes requisitos del puesto y la experiencia coinciden con sus habilidades, por favor, asegúrese de env ...

Senior AI Research Engineer, Model Inference (Remote)

Senior AI Research Engineer, Model Inference (Remote) Join to apply for the Senior AI Research Engineer, Model Inference (Remote) role at Tether.io Join Tether and Shape the Future of Digital Finance At Tether, we’re not just building products, we’re pioneer ...

Senior ML Engineer: LLM & AI Platform Innovator

A modern fundraising platform is seeking an experienced ML Engineer to join their team in Spain. In this role, you will develop and deploy machine learning solutions across various business areas, collaborating with product teams. Ideal candidates should have 5+ years of experience in machine learning, a strong ...

Voice AI Engineer — Real Time, Scalable, Remote

Tucuvi is the global leader in clinical Conversational AI in healthcare .Our mission is to enable efficient and effective care for all, starting with AI-led phone consultations that augment care teams' capacity . Our safe and medical-grade AI autonomously conducts low-ris ...

Senior QA Engineer — AI‑First SaaS (Remote)

A leading AI startup is seeking a Senior QA to build the QA function from the ground up. This role involves establishing practices for an AI-first SaaS platform, ensuring reliability at scale, and championing user empathy throughout the process. With a remote-first culture and a high-performing team, this positi ...

Junior Backend Engineer – Remote (Fraud Detection AI)

Una empresa de software de IA busca un Backend Developer para trabajar en el desarrollo de su aplicación de detección de fraude en medios de pago. Esta posición es completamente remota y requiere que los candidatos residan en España. Las responsabilidades incluyen el diseño y desarrollo de módulos de la aplicaci ...

Senior AI Software Engineer for Education Tech

A global education technology company seeks a Senior Software Engineer to enhance AI and software solutions within the English Language Learning division. The ideal candidate will develop and maintain backend components, lead projects adhering to best practices, and work within cross-functional teams. Requiremen ...

Senior Platform Engineer — Remote Azure AI Infra

Una empresa de consultoría tecnológica busca un Ingeniero de Plataforma Senior para diseñar y gestionar la infraestructura en la nube de una plataforma de IA empresarial. Se requiere al menos 6 años de experiencia, con sólida formación en Microsoft Azure y Python. La posición es 100% remota, ofreciendo un ambien ...

Lead React Engineer – AI Web Apps (Remote)

A global technology solutions provider is seeking a Mid-Senior level engineer to develop secure, scalable enterprise applications. Candidates should have experience in building web-based technology products, a strong understanding of algorithms, and excellent communication skills in English. The role offers a fu ...

Senior AI/ML Engineer — Hybrid, Global Impact

A leading technology company in Spain is seeking a Senior Artificial Intelligence/Machine Learning Engineer to lead machine-learning infrastructure and mentor a team. This role involves driving the development of scalable, reliable solutions and collaborating with Data Scientists for model deployment. The ideal ...

Senior Applied AI Engineer – Developer Productivity & SDLC

Keysight is on the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aero ...

ML Engineer (Founding Team) AI Drug Discovery

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, scien ...

Robotics & AI Software Engineer (C++ / Distributed Systems)

Build the software backbone of Robotics and AI Are you passionate about Robotics and Artificial Intelligence? Do you want your code to run in thousands of robots, autonomous vehicles, industrial systems and safety‑critical platforms worldwide? At eP ...

BECA YOUNG LIONS GENERALI | AI ENGINEER INTERNSHIP

¿Estás buscando prácticas? GENERALI te busca a ti. En GENERALI lanzamos una nueva edición de Young Lions, nuestro programa de prácticas para estudiantes que quieren aprender, crecer y empezar su carrera profesional en una multinacional. Si te gustan los retos, trabaj ...

Senior Applied AI Engineer – Developer Productivity & SDLC

Keysight is on the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aero ...

ML Engineer (Founding Team) AI Drug Discovery

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, scien ...

Robotics & AI Software Engineer (C++ / Distributed Systems)

Build the software backbone of Robotics and AI Are you passionate about Robotics and Artificial Intelligence? Do you want your code to run in thousands of robots, autonomous vehicles, industrial systems and safety‑critical platforms worldwide? At eP ...

Data & AI Presales Engineer ML & Cloud Solutions

Fujitsu en España busca un Data & Al Presales Engineer para unirse a su equipo de proyectos. La persona seleccionada podrá desarrollar soluciones de IA, así como intervenir en proyectos de datos y consultoría. Se requiere un grado en áreas técnicas, mínimo 3 años de experiencia y un sólido conocimiento ...

Senior DataOps & MLOps Engineer for Data & AI

Hiberus, ubicada en Valencia, busca un/a DataOps senior que apoye técnicamente a equipos de Data Engineering y Data Science en la industrialización de casos de uso de Data & AI. Se requiere un alto nivel de inglés y sólidos conocimientos en AWS y MLOps. La empresa ofrece contrato fijo, salario competit ...

AI Innovation Engineer — GenAI, 5G & Cloud Prototyping

Vodafone is seeking a dynamic individual to enhance its corporate research in AI and Machine Learning. This full-time role involves developing innovative AI solutions, collaborating across various departments to transform Vodafone’s service offerings. The ideal candidate will require hands-on expertise ...

Remote ML/AI Platform Engineer — MLOps/LLMOps

Capitole busca un/a ML/AI Platform Engineer para 100% teletrabajo. Con 2-4 años de experiencia, serás responsable de la plataforma de AIOps y de operar soluciones de inteligencia artificial. Este rol incluye flexibilidad horaria y un presupuesto de 1.200€ para formación. Ofrecemos un entorno internacio ...

Remote QA Engineer – AI‑Powered Testing & Automation

Terminalfour is looking for a Quality Assurance Tester to join their Agile product team remotely. You will ensure product quality through exploratory testing, automation development, and collaboration with cross-functional teams. The ideal candidate has 3+ years of QA experience, expertise in automatio ...

Edge AI Inference Engineer — Low Latency Serving

Tether Operations Limited is looking for an expert AI model team member to drive innovation in model serving and inference architectures. The role emphasizes optimizing deployment and inference strategies for high performance across real-world applications. Ideal candidates will hold a degree in Comput ...

Senior AI Data Engineer: Brand Knowledge & Reasoning

Superside is looking for an experienced engineer to build the knowledge layer that powers AI agents for understanding brands. You'll design how brand knowledge is represented and develop systems that allow agents to reason dynamically. The ideal candidate brings over 8 years of experience in high-perfo ...

AI Agent Engineer — LLM Pipelines & RAG (Hybrid)

IOON busca un profesional para desarrollar y mantener agentes de inteligencia artificial, integrando modelos LLM y construyendo pipelines de ejecución de agentes. Este rol implica optimizar el uso de contexto y diseñar prompts eficientes. Ofrecen contrato indefinido con un salario de 30.000€ a 33.000€ ...

DevOps Engineer (Automation Systems) Freelance AI Trainer

Mindrift is looking for skilled DevOps / Automation Engineers (Infrastructure & Scaling) to join the Tendem project ( and build and maintain scalable infrastructure for automation workflows within our hybrid AI + human environment. In this role, as an AI Pilot - that's how we refer to this ...

Senior Software Engineer – Remote AI & Cloud Native

A global learning company is seeking an Advanced Specialist Software Engineer to drive the technical direction of high-impact projects. In this role located in Spain, you will design complex software solutions and mentor team members on best practices. The ideal candidate has over 6 years of experience in softwa ...

GPU Infra Engineer — HPC, Linux & AI Ops

SOTEC CONSULTING is seeking a data-driven technical professional to manage GPU farm capacity using monitoring tools like Grafana and Prometheus. You'll analyze trends, develop forecasting models, and translate technical metrics into clear reports for executive stakeholders while ensuring reliability an ...

Senior AI Search Performance Engineer — Remote Flexible

Cohere is looking for a talented individual to join their Compass team to optimize and scale search applications. Your work will directly enhance document understanding capabilities and significantly improve user experiences with AI-powered search. Ideal candidates will have proficiency in Python, back ...

Senior ML Engineer: AI Reasoning & Training (Remote)

Alignerr is seeking a Senior Machine Learning Engineer to work remotely on cutting-edge AI projects. You'll author high-fidelity reasoning traces that enhance LLM capabilities and mentor others on quality assurance. The ideal candidate will deeply understand model behavior, capable of structuring compl ...

Remote AI Software Engineer (Contract) Prompt & Benchmark

Call For Referral is seeking a part-time remote software engineer to engage in high-impact AI research. The role involves reviewing and refining AI-generated content, validating algorithms, and providing structured feedback. Ideal candidates have over 2 years of experience in software engineering or te ...

Remote NestJS Backend Engineer TypeScript & AI ready

Kubide, ubicada en España, está buscando un Backend Developer para unirse a su equipo. La empresa se especializa en desarrollo web y ofrece un ambiente de trabajo altamente colaborativo. Se requiere un perfil con 2-3 años de experiencia en desarrollo backend, así como conocimientos en TypeScript y NestJS. </p ...

Senior Machine Learning Engineer AI Lead (Remote)

Una empresa consultora internacional en España busca profesionales en Inteligencia Artificial para unirse a su equipo. Se requiere experiencia en desarrollo de modelos de Machine Learning, habilidades en Python y conocimiento en herramientas como TensorFlow y Docker. Ofrecen flexibilidad total de trabajo remoto ...

Remote Senior Industrial Engineer, AI Process Optimization

A leading foundational AI lab is seeking Senior and Principal Industrial Engineers for a flexible part-time role remotely from Spain. Candidates should have over 5 years of experience in top manufacturing firms and expertise in process optimization and lean methodologies. Tasks include refining AI-generated work ...

Senior Software Engineer AI Fintech foundation (Spain)

About the Team Hopper's Fintech Foundation team sits at the centre of the company's mission: reshaping how more than 100 million monthly active users experience travel. It owns the pricing engine that balances customer demand against financial risk across dozens of partners — including Ca ...

GTM Engineer Intern: Build Industrial AI Solutions

Mirage Metrics, located in Spain, is seeking a GTM Engineering Intern who will work at the intersection of engineering, sales, and operational strategy. This position involves building targeted lists of companies in logistics, construction, and other sectors, identifying decision-makers, and crafting tailored ...

MLOps Engineer Hybrid Madrid | Cloud & AI Deploys

Capitole en Madrid está buscando un MLOps para colaborar con el equipo en el despliegue y gestión de aplicaciones. Se requiere experiencia en desarrollo de software y conocimiento en contenedores y tecnologías de nube. Se ofrece un horario flexible, un contrato indefinido y un presupuesto para formació ...

AI Ready Node.js Backend Engineer | Hybrid Barcelona

Aubay Spain busca un Backend Engineer especializado en Node.js para unirse a su equipo de CRM API en un puesto híbrido en Barcelona. El candidato ideal debe tener experiencia en gestión de incidencias y ser capaz de comunicarse eficazmente en inglés. Las funciones incluyen desarrollar y corregir funcio ...

Senior AI Engineer LLMs, RAG & Agents (España)

En MBC, firma de consultoría de negocio, estrategia y operaciones de Indra Group, formamos equipos híbridos de negocio e IA, conectando áreas de negocio y tecnología de forma ágil, escalable y sostenible. ¿Te apasiona convertir la información en decisiones que marcan la diferencia? Desplácese ...

Enterprise Value Engineer for AI Automation ROI

A technology firm specializing in enterprise AI is seeking a Value Engineer to build business cases and quantify the impact of their platform on customer operations. You will engage with C-suite executives to clarify the value delivered through automation, leading structured workshops and creating compelling fin ...

BECA YOUNG LIONS GENERALI | AI ENGINEER INTERNSHIP

¿Estás buscando prácticas? GENERALI te busca a ti. En GENERALI lanzamos una nueva edición de Young Lions, nuestro programa de prácticas para estudiantes que quieren aprender, crecer y empezar su carrera profesional en una multinacional. Si te gustan los retos, trabaj ...

AI Engineer (LLMs) – 100% Remoto Desde España

Fundada en 2012 por consultores experimentados The Whiteam nace como consultora tecnológica de calidad con una misión clara; ayudar a las compañías de todo el mundo a optimizar su rentabilidad empresarial a través de un uso eficiente de las tecnologías de la información.<str ...

Desarrollador/A Fullstack (Java/Angular) Málaga

Desarrollador/a Fullstack (Java/Angular) - málagaHaga clic en Solicitar a continuación para enviar su candidatura. Asegúrese de que su CV está actualizado y de que ha leído primero las especificaciones del puesto.andalucía, SpainCompany:JR SpainClient / Employer:Profile Soft ...

Lead Java (Télétravail) F/H

Si cuentas con experiencia liderando equipos de desarrollo y te apasiona construir soluciones tecnológicas de calidad, esta oportunidad puede ser para ti. Por favor, verifique que tiene el nivel de experiencia y las cualificaciones adecuadas leyendo la descripción completa de esta oportunidad a continuació ...

Programador/A Back End Senior (Symfony)

Overview¿Listo para inscribirse? Antes de hacerlo, asegúrese de leer todos los detalles pertenecientes a este trabajo en la descripción a continuación.Conoce ACC. ACC es una agencia digital que desarrolla proyectos integrados, combinando pensamiento estratégico, tecnología y creatividad. Buscamos per ...

Release Manager Técnico 100% Remote, Spain

More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic soluti ...

Java Developer Homes (Java 17/21 / Spring Boot / APIs) Spain (Hybrid/Remote)

Java Developer – Homes (Java 17/21 / Spring Boot / APIs)📍 Spain | Hybrid in Madrid, Barcelona, Málaga or Logroño | Remote in the rest of the country🕘 Full-time💰 Salary up to €42k gross/yearAbout the role ...

🚀 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

    Ai Driven Full Stack Engineer Java Python Santander Jobs in Spain Job Search Guide, Trends and Insights