48,299+ Fullstack Ai Engineer Python Php Reactnextjs 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

AI Driven FP&A Solutions Engineer

Board is seeking an FP&A Solution AI Developer to integrate AI capabilities into their financial planning solutions. The role includes developing and implementing AI use cases and features that enhance planning, forecasting, and reporting functions. The successful candidate will possess expertise in en ...

Remote AI Software Engineer Task Designer

Anyone AI is looking for skilled software engineers to engage in project-based, part-time roles focusing on evaluating coding tasks in collaboration with a leading AI lab. Candidates must have a strong proficiency in Python and JavaScript/TypeScript, alongside 3–7 years of software engineering experience. </p ...

AI Driven SaaS Product Engineer (Hybrid)

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

Global Solar Support Engineer AI & Automation

TrinaTracker, based in Navarra, Spain, is seeking professionals to enhance engineering efficiency through software development and provide technical support in after-sales. With a focus on solar energy solutions, candidates should have a background in Civil or Industrial Engineering and experience with Excel, ...

Production AI Engineer (Azure) — Enterprise Solutions

Synthon is looking for an AI Solutions Engineer to develop secure, scalable AI applications that deliver business value. In this role, you will work closely with Data & AI Scientists and Engineers, deploying AI-powered applications within a regulated pharmaceutical environment. The ideal candidate has ...

Data Engineer – Pharma: AI Pipelines & Cloud

Tamarind Intelligence está buscando un experto en datos clínicos para contribuir al desarrollo de pipelines de datos escalables. Se requiere experiencia sólida en Python, SQL y servicios de AWS. El papel implica diseñar integraciones y entregar datos accionables para la investigación. El modelo de trab ...

Senior AI QA Engineer for Gaming

Aristocrat is looking for a Senior QA AI Engineer in Barcelona. In this hybrid role, you will explore and evaluate AI tools to enhance QA processes. Your responsibilities will include building AI-assisted quality checks and collaborating with various teams to ensure product quality. The ideal candidate ...

GTM Automation Engineer Clay, Data & AI

Nexthink SA is seeking a GTM Engineer to design and optimize automated go-to-market systems. You will work with Sales and Marketing, leveraging data and automation to drive growth. The role includes responsibilities such as managing workflows in Clay, integrating data between systems, and optimizing GTM proce ...

Senior AI Engineer Enterprise Tools & Innovation

NielsenIQ is looking for a Principal AI Engineer to join its Enterprise Productivity team. This role involves developing AI-driven solutions to transform company operations, collaborating with diverse global teams to enhance productivity. In this hands-on position, you will utilize modern AI technologi ...

Remote Blockchain Support Engineer: AI Automation

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

Senior AI Engineer: Agent & LLM Systems

Publicis Groupe Holdings B.V in Madrid is seeking a Senior Software Engineer specialized in AI to design agent-based architectures. You will lead backend development for conversational agents, integrating advanced models like Google Gemini. The ideal candidate should possess strong experience in Python ...

Remote Senior AI & GenAI SRE Engineer

eXperience IT Solutions busca incorporar un/a Senior AI / GenAI SRE Engineer para un proyecto internacional de alto impacto. El rol implica trabajar en la definición y operación de servicios avanzados de IA, colaborando con equipos multidisciplinares y asegurando la fiabilidad y el rendimiento en entornos com ...

CAE Engineer: AI Driven Simulation & Design

The CAE Engineer at Zanini Auto Grup develops robust methodologies, models, and decision criteria to support product development, reducing uncertainty, minimizing trial-and-error, and improving design quality before industrialization. This role goes beyond CAE software operation, requiring strong p ...

AI & Data Engineer: Intelligent Agents & Automation

Havas Media Network España, ubicada en Madrid, busca un perfil especializado en diseño y desarrollo de soluciones basadas en IA. El candidato ideal liderará la automatización de procesos y la optimización de workflows en un entorno innovador. Requiere habilidades en Python, experiencia con arquitectura ...

Senior Data Engineer: Pipelines, Cloud & AI

Mapfre en Madrid busca un Data Engineer con experiencia en el desarrollo y mantenimiento de pipelines de datos. El candidato ideal debe tener más de 5 años trabajando con Python y más de 3 años en un rol similar, con sólida experiencia en SQL avanzado y entornos Cloud como AWS o GCP. El puesto implica ...

Senior AI Driven Cloud Software Engineer

T-Systems Iberia in Valencia is seeking an experienced Software Engineer to join their innovative team. In this role, you'll collaborate with AI experts and DevOps engineers to build scalable, cloud-ready software solutions. The ideal candidate will have strong Python skills, cloud experience, and a co ...

Remote AI‑Assisted Java Backend Engineer

Talan Group in Córdoba, Spain is looking for an AI‑Assisted Java Code Analyst to participate in software design and application optimization. The ideal candidate has a minimum of 3 years of experience, with skills in Java, Spring Boot, and AI-powered tools. This position allows for remote work and offe ...

AI Solutions Engineer Data & API Platforms

Aqualia en Monterroso busca un/a Ingeniero/a en Inteligencia Artificial para integrar y evolucionar soluciones en el sector del agua. Se requiere experiencia en gestión de proyectos de TI, desarrollo de APIs y uso de herramientas como Azure y Docker. Los candidatos deben tener al menos 2 años de experi ...

AI Engineer — GenAI, Data & GeoTech (Madrid)

TPF INGENIERÍA busca un AI ENGINEER para unirse a su equipo en Madrid. Esta posición se centrará en el desarrollo de soluciones innovadoras de inteligencia artificial, donde se combinará IA agéntica y análisis de datos. Se requieren entre 3 y 5 años de experiencia en campos como Ingeniería de IA y Data Engine ...

AI Native Travel Tech Backend Engineer

Flight Centre Travel Group is seeking a Software Engineer based in Barcelona to build and enhance AI-native products for business travel. You'll join agile squads, responsible for creating backend services and integrating ML-powered features with a strong focus on clean code and best practices. Join us ...

Senior Full Stack Engineer with AI

Las Palmas de Gran Canaria · On-site · Full-time · €48K–€65K gross/year · Relocation support with apartment Lead how modern software gets built - with AI at the core of the workflow, real ownership over what you ship, and an office ten minutes from the ocean. We’re Lasting D ...

AI Platform Technical Support Engineer (Equity)

HappyRobot, based in Madrid, is looking for a Technical Support Associate to deliver exceptional support to customers and internal teams. The role involves troubleshooting technical issues, guiding customers through product setup, and maintaining support documentation. The ideal candidate has at least ...

QA Engineer: AI Driven Testing & Automation

Aubay Spain busca un/a QA Engineer en Barcelona para unirse a su equipo de tecnología. La persona seleccionada trabajará en pruebas manuales y automatizadas asegurando la calidad del software en un entorno híbrido (3 días remotos, 2 presenciales). Se valorará experiencia en herramientas como Selenium y ...

Junior Software Engineer — AI‑Driven Sustainability

Clarity AI is looking for a motivated Junior Software Engineer to join their Consumer Team in Sevilla, Spain, focusing on developing software solutions at the intersection of banking and sustainability. In this role, you'll work across modern architecture, enhancing software that empowers customers to make im ...

Data Lakehouse Engineer for AI & Analytics

Vorwerk Engineering in Madrid is seeking a Data Engineer to implement data pipelines and support business intelligence. You'll work with data ingestion and transformation processes, ensuring the scalability of data management in a collaborative environment. The ideal candidate has several years of expe ...

DevOps Engineer for AI/LLMOps & HPC

OGA.ai en Madrid busca un/a DevOps Engineer para diseñar, desplegar y mantener arquitecturas de IA innovadoras. El candidato ideal debe tener conocimientos avanzados en administración de sistemas Linux y virtualización, así como experiencia en herramientas como Docker y Kubernetes. Ofrecemos un entorno ...

AI Full Stack Engineer — Hybrid/Remote

Fistrek busca un/a Desarrollador/a Full Stack Senior en Barcelona para diseñar e implementar soluciones de inteligencia artificial en el desarrollo de software. El/la candidato/a debe tener experiencia trabajando con AI Coding Agents como Claude Code y habilidades en ingeniería de software moderno. El ...

Global AI Engineer for Enterprise Automation

Hitachi Energy is seeking a professional for the ES Regional Office in Madrid to empower teams in adopting AI responsibly. You'll create AI-powered digital assistants and tools, while collaborating with global teams to ensure best practices in data governance and compliance. The ideal candidate has ove ...

Agentic AI Ready Data & Automation Engineer

Roche in Sant Cugat del Vallès is hiring a Data and Automation Engineer to support their digitalization journey. This role focuses on minimizing waste through innovative technology, bridging technical data engineering with business processes. You will work globally with IT and R&D professionals and enh ...

ML Engineer: AI Agents & Production Systems

Julius Baer is looking for a skilled Machine Learning Engineer to join their agile development team in Madrid. You will design, build, and maintain AI solutions, collaborating with cross-functional teams throughout the entire lifecycle. The ideal candidate has experience in machine learning, strong Pyt ...

AI Solutions Engineer Benelux (Orbit Grad)

Process Analytics Factory - PAFnow by Celonis is seeking an Associate Applied AI Engineer in Madrid. You will be part of the Value Engineering team, working closely with customers to deliver innovative technical solutions using the Celonis Process Intelligence Platform. This role involves a 12-month Or ...

AI Engineer Satellite Imagery & Earth Observation

Satlantis is looking for an AI Engineer to enhance satellite image processing through AI/ML algorithms in Leioa, Spain. You will design and build machine learning models and data pipelines, collaborating with a dynamic team dedicated to innovation in earth observation. If you're passionate about AI and ...

Data Ops Engineer: AI Enablement & GenAI

UST España & Latam is seeking a Data Ops Engineer – AI Enablement to work in advanced data environments. This position focuses on developing ETL/ELT processes and applying LLMs for analytical solutions. Candidates should possess advanced skills in Python and SQL, alongside experience with data modeling and LL ...

Remote AI‑Assisted Java Backend Engineer

Talan is seeking an AI-Assisted Java Code Analyst for a remote position. You will be responsible for application analysis, code quality assurance, and utilizing AI tools to optimize performance. The ideal candidate will have at least 3 years of development experience, knowledge of Spring Boot, and fami ...

Ai Driven Growth Marketing Engineer Barcelona

Resumen Contentsquare busca un profesional para su equipo de Marketing de Producto en Barcelona. Responsabilidades Construir experimentos de crecimiento. Colaborar con equipos multifuncionales para mejorar la adquisición y retención de clientes. Requisi ...

Cloud Data & AI Engineer: Golang + Kubernetes

Schwarz Digits in Barcelona is looking for a skilled developer to join their Central Services division. You will help develop a sovereign Data and AI platform, work closely with the agile team, and contribute to innovative solutions in cloud technology. Ideal candidates have a strong background in Gola ...

Senior Real Time AI Platform Engineer

Useprosper in Barcelona is seeking a Software Engineer to develop and scale their AI Phone Agent platform for healthcare. The role involves working on low-latency speech systems and requires experience in building end-to-end products. Candidates should possess strong knowledge of FastAPI, PostgreSQL, a ...

Senior Backend Engineer Data & AI Platform

En Iris, no solo creamos compañías; forjamos líderes en innovación tecnológica. Nos mueve la ambición, la excelencia y la empatía para redefinir el futuro de nuestros clientes a través de tecnología avanzada (Cloud, Ciberseguridad, Data, IA). Precisamente de esta visión y dentro de nuestro ecosiste ...

Remote AI Tooling Engineer Developer Platforms

We are looking for an AI Tooling Engineer in Spain. This high-impact engineering role focuses on shaping how developers and AI agents interact with modern backend infrastructure and developer tooling. You will help design and build AI-native interfaces that power workflows across dashboards, documentation, ...

GTM Engineer Intern — AI Commercial Solutions

Hirevoice is seeking a GTM Engineering Intern to assist in building the commercial engine behind their AI solutions. This internship offers exposure to engineering, research, sales, and strategy as you help identify and understand target companies in sectors like logistics, mining, and construction. Th ...

Senior AI Engineer — Secure SDLC & DevSecOps

Keysight Technologies in Barcelona is seeking a Senior Applied AI Engineer to design and implement AI‑driven solutions that modernize Keysight’s Secure Software Development Lifecycle (SDLC). You will assess LLMs, RAG, and agent frameworks, translate governance into engineering standards, and build scalable re ...

Founding AI Engineer Startup Retail IA

Buscamos para nuestro cliente, una startup tecnológica europea especializada en inteligencia artificial aplicada a entornos físicos de alto tráfico (como centros comerciales, aeropuertos, destinos de ocio y cruceros), un Founding AI Engineer. El Proyecto: Estamos construyendo una Guest Interaction ...

Design Engineer, API & Integrations (AI‑First)

PandaDoc is looking for its first Design Engineer to bridge design and engineering in the Embedded Agreements track. You will own the design of our API and integrations, building surfaces that connect PandaDoc to customers’ tools and workflows. You’ll prototype AI-native patterns, shape CRM integration ...

Senior AI Engineer – Recommender Systems & GenAI

Titan Operating System in Barcelona is seeking an AI & Content‑Recommendation Developer to design, train, and deploy models and data pipelines that decide what to watch next on our Smart TV platform. You’ll touch the full ML lifecycle from exploration to online experiments, shipping features used by millions ...

Platform Engineer – Agentic AI & Harness Engineering

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 las ...

Forward Deployed Engineer (Commercial) Healthcare AI

A Forward Deployed Engineer (FDE) at Idoven is a rare combination: a technically strong engineer who thrives at the intersection of tech and client. You will be embedded — sometimes literally — in our most critical client accounts, helping them integrate, configure, and scale Idoven's AI platform within t ...

Platform Engineer: AI Agent Harness & Orchestration

Kyndryl in Madrid is seeking a Platform Engineer to build the internal agent harness: the runtime, orchestration, and guardrails that turn foundation models into reliable AI agents. You will treat the harness as a product used by engineering teams, delivering measurable agentic productivity and handling model ...

Remote Healthcare AI Forward Deployed Engineer

Idoven seeks a Forward Deployed Engineer to embed with critical client accounts, helping them integrate and scale Idoven's AI platform within their clinical workflows. You will work directly with client engineering and clinical teams, attend meetings, and help shape product roadmap. Responsibilities in ...

Cybersecurity Engineer for Network Security AI

Die Position The Network Security product makes Roche’s connectivity accessible and secure through actionable, policy-driven processes. The capabilities we provide enable Roche to identify, inspect, and mitigate network-based risks, manage regulatory compliance, and oversee egress/ingress traffic ...

Remote Freelance Process Engineer & AI Trainer

10x Team is seeking a Freelance Process Engineering Consultant to review AI-generated outputs and ensure their relevance to process engineering. As a consultant, you will evaluate AI recommendations, develop real-world scenarios, and refine processes. The role is 100% remote and requires 8–20 hours of work pe ...

🚀 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

    Fullstack Ai Engineer Python Php Reactnextjs Jobs in Spain Job Search Guide, Trends and Insights