91,238+ Remote Fullstack Engineer Java React Ai Api Builder Jobs in Spain — Top Companies Hiring July 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

Technical Lead – Java Full Stack | Credit Risk Platforms

En Vermont Solutions buscamos un/a Technical Lead con sólida experiencia en desarrollo full‑stack Java y liderazgo técnico, para asumir la propiedad técnica de aplicaciones de Credit Risk dentro de un entorno internacional.Este rol combina ingeniería de software, sopor ...

Java Spring Boot y Spring MVC Developer, presencial

Java Spring Boot y Spring MVC Developer Estamos buscando un/a Java Spring Boot y Spring MVC Developer Madrid 100 Presencial Inglés B2 requerido¿Tienes experiencia en Java y te apetece trabajar en entornos enterprise, con arquitecturas modernas y código que evoluciona?¡Esta oportunidad ...

Java Backend Developer Staff EY GDS Spain Hybrid

Desarrollador Backend Java (Springboot) - EY GDS Spain - HybridDentro del área de Digital Engineering de Sector Financiero y de Seguros, ayudamos a nuestros clientes en el diseño e implementación de soluciones basadas en aplicaciones web. Nos encontramos ampliando el equipo con diversos perf ...

Programador/a Java Spring Batch, 100% En remoto

Programador/a Java Spring BatchDescripciónBuscamos perfiles con experiencia en Java Spring Batch y conocimientos del estándar EIAC para incorporarse a un proyecto estable, 100 remotoCondiciones:Contrato indefinidoUbicación del proyecto: MadridModalidad de trabajo: Remoto. Se valoran cand ...

Programador/a Java en sistemas embebidos (Android/Linux)

MOVISAT,empresa tecnológica con más de 28 años de experiencia en el desarrollo e implantación de proyectos con mercado nacional y en plena expansión internacional. Empresa dinámica y en crecimiento, estamos buscando un/a Administrativo/a para unirse a nuestro equipo. Si tienes formación / experiencia en gesti ...

Consultor/a Técnico/a Senior Java / Spring / Angular

¡Únete a nuestro equipo en eXperience IT Solutions y sé parte de una empresa líder en servicios IT en toda España! En eXperience IT Solutions, empresa consolidada con más de 250 profesionales en activo, ofrecemos servicios tecnológicos avanzados a clientes de primer nivel en distintos sectores ...

Desarrollador/a Backend ASO/APX (Java) – 100% remoto

Buscamos incorporar a nuestro equipo a un/a Desarrollador/a Backend con experiencia en servicios ASO y/o backend APX (Java) para incorporarse a un proyecto de entidad bancaria, de larga duración y en teletrabajo 100%.La posición está orientada a profesionales que hayan trabajado previament ...

Desarrollador/a Java Backend – Procesos Batch (LRBA / Ether)

Desarrollador/a Java Backend – Procesos Batch (LRBA / Ether)En AD4 Octógono estamos contratandoBuscamos un/a Desarrollador/a Java Backend con al menos un año de experiencia para incorporarse a un proyecto estratégico dentro del sector bancario, part ...

Arquitecto/a IA Java Angular, 100% En remoto

Arquitecto/a IA Java AngularArquitecto/a IA Generativa Full Stack (Java/Angular)Ubicación Madrid: La presencialidad no es obligatoria, aunque de forma puntual podrá requerirse asistencia a las oficinas de MadridRango salarial: 37000 a 44000 mil brutos anualesExperiencia requeridaMínimo ...

Full Stack Developer — International Team, Flexible Hours & Training

Hiberus busca un/a Full Stack Developer para unirse a un equipo internacional en Monterroso, Galicia. El candidato trabajará en el desarrollo y mantenimiento de aplicaciones, realizando tareas tanto en el frontend como en el backend. Se requiere al menos 5 años de experiencia en entornos fullstack y un conoci ...

.NET Full Stack Developer – Hybrid (Madrid) with Azure

Rastreator, el comparador líder en España, busca un/a .NET Developer para una posición FullStack. En este rol, desarrollarás código y realizarás integraciones, asegurando la calidad del producto mediante pruebas. Se requiere al menos 3-4 años de experiencia en .NET Core y desarrollo en entornos Cloud (Azure F ...

Ingénieur IA Freelance – Impact & Full‑Stack

Galadrim recherche un(e) Ingénieur(e) IA freelance basé(e) à Barcelone pour développer des solutions d'intelligence artificielle innovantes. Le poste implique la mise en œuvre de modèles d'IA, le développement de fonctionnalités intégrées et la contribution à des projets diversifiés tels que le développement ...

Senior Technical Consultant

Job Category: Customer Success About Salesforce Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn’t a buzzword - it’s a way of life. The world of work as we know it is changing and we’re ...

Senior Technical Consultant

Job Category: Customer Success Asegúrese de leer la descripción completa a continuación y, si confía en que cumple todos los requisitos, envíe su solicitud de inmediato.About SalesforceSalesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meet ...

Product Owner (Aeronautics Sector)

Are you interested in continuing your career as a Product Owner in a leading multinational technology company , working on cutting-edge AI-driven solutions that are transforming the aviation industry? Would you like to play a key role in defining the product strategy for a highly tec ...

Sr Product Security Engineer

The AI orchestration of your wildest imagination. Inscríbase (haciendo clic en el botón correspondiente) después de revisar toda la información relacionada con el trabajo a continuación.n8n is the open workflow orchestration platform built for the new era of AI. We give technical teams the ...

AI_Delivery and_Platform_Engineer

About the Job Hands‑on engineer who enjoys working close to development teams and ensuring that modern tooling runs reliably at enterprise scale may find this role a great fit. As an AI Delivery & Platform Engineer at Allianz Technology, you will be responsible for the technical enablement, stabi ...

Senior Backend Engineer ID68432

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. ...

Senior Backend Engineer ID68432

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. ...

Site Reliability Engineer DevSecOps Engineer

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

Senior Business Data Analyst

We’re looking for a Senior Business Data Analyst to join our team in Madrid and play a key role in shaping the future of neuro-contextual advertising at a global scale.¿Tiene las cualificaciones y habilidades adecuadas para este trabajo? Descúbralo a continuación y pulse en solicitar para ser considerado.< ...

Staff Software Engineer, Product Engineering, EU

Hi I’m Abhik, Ashby's Co-Founder and VP of Engineering. We’re looking for an ambitious full-stack engineer who is laser‑focused on solving customer problems and making the right long‑term investments to solve them not only today but in our future features and products. About the Role and How We ...

Engineer or Project Engineer (Galicia)

SOBRE LA OPORTUNIDAD En EPowerLabs, estamos en busca de un/a Ingeniero de Proyectos para integrarse en nuestro Departamento de Testing, con el objetivo de contribuir activamente al éxito de nuestros proyectos. Es un rol clave en el equipo ya que reportará los resultados obtenidos por nuestros inge ...

Lead Data Platform Engineer (Cataluña)

Role Description Project description Role Description - We are seeking an expert with deep proficiency as a Palantir Platform Engineer, possessing experience in data engineering and designing, building, and operationalizing AI-powered workflows, agents, and applications that drive tangible busines ...

Software Engineering Manager

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. Were redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.Our momentum comes ...

AI Data Scientist en Madrid NLP/LLMs (Freelance)

Pixie busca un AI Engineer / Data Scientist para un proyecto en el sector bancario, centrado en soluciones de IA para la explotación de documentos. Se requiere experiencia en Python y conocimientos en IA Generativa, así como la capacidad de construir APIs de servicios de IA/ML. La persona seleccionada ...

Ingeniero de IA Generativa & Agentes (Híbrido, Madrid)

En agap2 Spain, buscamos un/a IA Engineer para diseñar y desarrollar soluciones de Inteligencia Artificial Generativa. Colaborarás con equipos de negocio y tecnología en proyectos innovadores en un entorno híbrido y flexible en Madrid. Los candidatos ideales tienen más de 3 años de experiencia en IA, c ...

Document AI Scientist (NLP/LLMs) Freelance

Pixie busca un AI Engineer / Data Scientist para unirse a un proyecto enfocado en soluciones de inteligencia artificial para el procesamiento y explotación de documentos en el sector bancario. Esto incluye el desarrollo de aplicaciones de IA utilizando Python y la creación de APIs para servicios de IA/ML. </p ...

Data Engineer: Microsoft Fabric & Azure (Hybrid)

Tamarind Intelligence is seeking a Data Engineer in Madrid to work on cutting-edge data projects. You will design and deliver Microsoft Fabric and Azure solutions, taking full ownership of data pipelines and ensuring high performance. The ideal candidate has strong SQL, Python, and PySpark skills and w ...

AI Architect: Hybrid, Impactful Data Solutions

Kirey España está buscando un AI Engineer para unirse a su equipo en Alcobendas. El candidato ideal tendrá más de 5 años de experiencia en desarrollo de soluciones de IA generativa y un Grado en Matemáticas, Ingeniería o Telecomunicaciones. El puesto ofrece un trabajo híbrido con 4 días de teletrabajo ...

French NLP Engineer (Onsite Barcelona) — iOS/ML

TELUS Digital AI Data Solutions is seeking a French Language Engineer to join our onsite team in Barcelona, Spain. You will leverage your expertise in language and computational linguistics to enhance NLP systems that accurately comprehend and generate human language. Your role involves developing spec ...

Android Engineer: Subscriptions & Premium Growth

Somi AI is seeking an Android Engineer based in Barcelona to enhance our Subscriptions experience. The role involves building and optimizing Android features for premium memberships, focusing on user engagement and innovative solutions. The ideal candidate will demonstrate deep knowledge of the Android ...

Value Engineer, Scale – EMEA (Associate)

Celonis is seeking an Associate Value Engineer for the EMEA Orbit Program in Madrid. The candidate will support customer engagements, showcasing the value of Celonis Process Intelligence and developing tailored AI solutions. A background in engineering or computer science is required along with strong analyti ...

Danish NLP Engineer (Onsite) – Python & Data

M47 in Barcelona is hiring a Language Engineer who is a native Danish speaker and has strong proficiency in Python. The role involves working on AI projects, ensuring seamless user interactions by processing and validating text datasets, troubleshooting technical issues, and providing feedback to improve tool ...

Senior IoT Platform Engineer (AWS/Python) Hybrid + Equity

Fresco, located in Madrid, is seeking a Senior Platform Engineer to design and develop the next generation of their smart kitchen platform, Fresco KitchenOS. The role requires expertise in AWS and Python, with responsibilities including managing Lambda-based microservices and integrating AI solutions. ...

Senior Cloud, Data & AI Pre Sales Architect

Astrafy in Madrid is seeking a Senior Solution Engineer to enhance their technical pre-sales function. In this role, you will be a bridge between Sales, Customers, and Delivery teams, focusing on AI, Data, and Cloud solutions. Your responsibilities will include leading technical discussions, designing ...

GenAI Solutions Architect (Madrid) Post Sales Deployments

OpenAI is seeking a Solutions Engineer in Madrid to engage with customers post-sale, ensuring they achieve business value from OpenAI's technologies. The role requires strong technical consulting skills and experience in Generative AI deployments. The ideal candidate will have over 5 years of experienc ...

Value Architect: AI Driven Process Optimization & ROI

Celonis is looking for a Value Engineer to lead data-driven business transformation and partner with the Sales Team. The role requires strong expertise in AI, data analytics, and technical project delivery. As a trusted advisor, you will communicate strategies in Spanish and ensure maximum ROI from implementa ...

Analytics Engineer: Build Trusted Data Products

team.blue is seeking an experienced Analytics Engineer to enhance their AI & Data function. The role requires designing robust dbt models on Databricks and transforming raw data into analytics-ready datasets, working closely with data engineers and stakeholders. The candidate should have over 5 years o ...

Ingeniero/a de IA — Modelos Predictivos, GenAI y ML

GDE - Grupo de Desarrollo Empresarial I+D+i, S.L. busca un/a AI Engineer en Terrassa con experiencia en Machine Learning y Deep Learning. En este rol, la persona participará en proyectos innovadores aplicando IA para resolver problemas de negocio reales, colaborando con equipos multidisciplinarios para el des ...

Client Facing Solutions Engineer: Last Mile Integrations

Juryo is seeking a Forward Deployed Engineer in Barcelona who thrives on solving complex problems. In this role, you'll connect our AI product with client systems and lead the technical onboarding process. Successful candidates will have strong experience with TypeScript, SQL, and must be native Spanis ...

HPC Research Engineer: Flexible Hours & Training Plan

The Barcelona Supercomputing Center is seeking a Research Engineer (RE2) to work within the Computer Sciences Department in Barcelona, Spain. You will evaluate new ideas and extend scientific codes while engaging in high-performance computing research. The ideal candidate will have a Master's Degree in ...

Founding Software Engineer — Madrid | Equity Path

Releva is hiring its first software engineer in Madrid to shape the platform for the next five years. You’ll directly influence architecture, tech choices and future product direction with the two co-founders. You will own end-to-end development—from backend services and APIs to user-facing application ...

Agentic AI Architect for Production & Delivery

indigo.ai busca un Forward Deployed AI Engineer en Madrid. Este rol implica diseñar e implementar asistentes virtuales, supervisando calidad y fiabilidad. Trabajarás en un entorno híbrido, contribuyendo al crecimiento de la empresa en el mercado ibérico. Se valorará experiencia en diseño de sistemas ag ...

Ingeniero IA y Data Scientist Procesamiento de Documentos

Pixie busca un AI Engineer/Data Scientist para unirse a un proyecto en el sector bancario enfocado en soluciones de IA para procesamiento de documentos. Se requiere experiencia en desarrollo de aplicaciones de IA con Python y conocimientos de NLP y LLMs. Valoraremos experiencia con herramientas como Sp ...

High Speed Data Transfer Engineer

F. Hoffmann-La Roche Gruppe is seeking a Data Transfer Engineer in Madrid to manage high-speed data transfer services for advanced AI and HPC environments. You will lead the deployment and optimization of data transfer technologies, enabling rapid and secure data mobility. The role involves automating ...

Senior HPC Network Architect (Remote EU)

Mirantis is seeking a Principal HPC Network Engineer to design, deploy, and manage high-performance networking environments, with a focus on InfiniBand technologies. The role includes troubleshooting complex issues and optimizing network security using Fortinet solutions. The ideal candidate will have ...

Backend Engineer Python & IA (RAG) Hybrid & Impact

Matchtech busca un/a Backend Engineer en Valencia para desarrollar productos de alto impacto. Buscamos a alguien con sólida experiencia en Python y Django, que participe en proyectos de IA explicables y útiles para el negocio. Ofrecemos un modelo híbrido de trabajo con 1 día remoto a la semana, un equi ...

Senior Backend Engineer for LLM Powered Agentic Systems

Landbot is seeking a senior-level engineer with strong backend expertise and hands-on experience in LLM-powered systems. You will help define and build next-generation agentic AI systems, integrating them into our current platforms. The role offers a hybrid work model with flexibility to work remotely or in our ...

Lead Frontend Architect for Enterprise AI UI

A forward-thinking tech company in Spain is seeking a Senior or Lead Frontend Engineer to shape the UI of their innovative enterprise AI knowledge assistant. You'll have complete ownership of the frontend and influence on product direction, ensuring the interface elevates user experience for large maritime shipp ...

🚀 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

    Remote Fullstack Engineer Java React Ai Api Builder Jobs in Spain Job Search Guide, Trends and Insights