337,081+ Full Stack Engineer Python React Jobs in Spain — Top Companies Hiring September 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 Machine Learning Engineer (Mlops / Platform) – Contract €550 A Day

Seeking a Senior Machine Learning Engineer with MLOps/Platform focus to build and scale an AI/ML platform for customer-facing products. Responsibilities include owning the ML lifecycle, building production systems, and designing ML infrastructure. ...

Senior Machine Learning Engineer (Mlops / Platform) – Contract €550 A Day

Seeking a Senior Machine Learning Engineer with MLOps/Platform focus to build and scale an AI/ML platform for customer-facing products. Responsibilities include owning the ML lifecycle, building production systems, and designing ML infrastructure. ...

Senior Machine Learning Engineer (Mlops / Platform) – Contract €550 A Day

Seeking a Senior Machine Learning Engineer with MLOps/Platform focus to build and scale an AI/ML platform for customer-facing products. Responsibilities include owning the ML lifecycle, building production systems, and designing ML infrastructure. ...

Senior Machine Learning Engineer (Mlops / Platform) – Contract €550 A Day

Seeking a Senior Machine Learning Engineer with MLOps/Platform focus to build and scale an AI/ML platform for customer-facing products. Responsibilities include owning the ML lifecycle, building production systems, and designing ML infrastructure. ...

Senior Machine Learning Engineer (Mlops / Platform) – Contract €550 A Day

Seeking a Senior Machine Learning Engineer with MLOps/Platform focus to build and scale an AI/ML platform for customer-facing products. Responsibilities include owning the ML lifecycle, building production systems, and designing ML infrastructure. ...

Senior Machine Learning Engineer (Mlops / Platform) – Contract €550 A Day

Seeking a Senior Machine Learning Engineer with MLOps/Platform focus to build and scale an AI/ML platform for customer-facing products. Responsibilities include owning the ML lifecycle, building production systems, and designing ML infrastructure. ...

Senior Machine Learning Engineer (Mlops / Platform) – Contract €550 A Day

Seeking a Senior Machine Learning Engineer with MLOps/Platform focus to build and scale an AI/ML platform for customer-facing products. Responsibilities include owning the ML lifecycle, building production systems, and designing ML infrastructure. ...

Senior Data Scientist (Growth)

About Dwelly Dwelly is building the AI operating system for residential lettings. Its growing network of agencies provides its AI with real-world data, continuous feedback, and control over complete workflows, making exceptional service the standard for landlords and tenants. Today, Dwelly oper ...

Data Engineering

Tot allò que fem gira al voltant del propòsit únic de millorar la qualitat de vida de les persones. De ser-hi sempre quan ens necessiten. O, més ben dit, de ser sempre aquí. Aquí és casa teva, la teva oficina o la teva acadèmia de ball. Aquí ets tu, siguis on siguis. És la solució o servei que t ...

Ingeniero/a DevOps (REMOTO)

En AUBAY seleccionamos un/a DEVOPS con inglés para Barcelona (PUESTO HÍBRIDO - 3 DÍAS EN REMOTO). Ofrecemos la posibilidad de formar parte de una Compañía en continuo crecimiento, participando en innovadores proyectos que te permitirán completar tu formación y potenciar tus capacidades. Gestio ...

Ingeniero devops (remoto)

En AUBAY seleccionamos un/a DEVOPS con inglés para Barcelona (PUESTO HÍBRIDO - 3 DÍAS EN REMOTO). Ofrecemos la posibilidad de formar parte de una Compañía en continuo crecimiento, participando en innovadores proyectos que te permitirán completar tu formación y potenciar tus capacidades. Gestio ...

Ingeniero/a V&V Senior Automatización de Pruebas | Hibrido

¿Tienes experiencia liderando procesos de Verificación y Validación de sistemas complejos y quieres seguir creciendo en un entorno tecnológico exigente? Buscamos un/a Ingeniero/a Senior de V&V con más de 5 años de experiencia, especializado/a en automatización de pruebas con ...

Ingeniero/a V&V Senior – Automatización de Pruebas | Hibrido

¿Tienes experiencia liderando procesos de Verificación y Validación de sistemas complejos y quieres seguir creciendo en un entorno tecnológico exigente? Buscamos un/a Ingeniero/a Senior de V&V con más de 5 años de experiencia, especializado/a en automatización de pruebas con Playw ...

Project Manager AWS y Powercenter, Madrid

Project Manager - AWS y PowercenterBuscamos un/a perfil técnico especializado en AWS y desarrollo Batch/Backend para incorporarse a un proyecto tecnológico con equipos multidisciplinares. La persona seleccionada participará en el análisis técnico, diseño de soluciones y desarrollo, colaborando con áreas de a ...

Ingeniero/a de Sistemas ATM, hibrido

Ingeniero/a de Sistemas ATMBuscamos un/a Ingeniero/a de Sistemas ATM para incorporarse a un proyecto tecnológico del sector de la gestión del tráfico aéreo. Formarás parte de un equipo multidisciplinar, participando en el análisis, definición y validación de soluciones para sistemas críticos, colaborando con ...

Junior Data Analyst (Quicksight) Hibrido Madrid, Madrid

Junior Data Analyst (Quicksight) - Hibrido MadridEn Second Window, buscamos un perfil de Junior Data Analyst / Data Scientist, analista de BI o rol similar, para incorporarse a un proyecto muy estable y a largo plazo. Esta es una excelente oportunidad para un profesional con sólidos conocimientos técnicos qu ...

Desarrollador/a C++ para Centros de Control de Satélites

You will be part of a SCRUM team and collaborate in themaintenance and evolution of software for the control centers area.Associated functions will include:Design of product updatesSW development (C++, Java, python)Investigation and preparation of patches ...

Specialist / Developer en Genesys Cloud CX, 100% En remoto

Specialist / Developer en Genesys Cloud CX ¡Estamos buscando un/a Specialist / Developer en Genesys Cloud CX!¿Tienes experiencia sólida en Genesys Cloud y te apasionan las integraciones? ¡Entonces esta oportunidad te va a interesar! Lo que buscamos Experiencia sólida en Genesys Cloud CX, Web ...

Senior DFIR Incident Response Lead Remote

One eSecurity, líder en detección de amenazas y DFIR, busca un profesional de ciberseguridad senior certificado y 100% remoto con 5+ años de experiencia en DFIR. El candidato ideal liderará investigaciones complejas, desarrollará detecciones y playbooks, y orientará a equipos de respuesta ante incidentes a ni ...

Arquitecto de Integración: Case Management y APIs

AXPE Consulting busca un Arquitecto/a de Integración para liderar la definición de arquitecturas y la integración de soluciones de Case Management y finCrime dentro de un ecosistema multiplataforma. Participarás en el diseño de APIs, microservicios y flujos, así como en la gobernanza de interfaces y BI de pro ...

Remote GenAI ML Expert Part Time Freelance

A leading AI platform is seeking a Machine Learning expert to work on advanced AI projects on a freelance basis. Applicants should hold a Master's or PhD in a STEM field and have at least 5 years of relevant experience in Machine Learning. Strong Python skills and an advanced level of English are essential. This ...

Senior Oracle DBA Exadata, RAC & DR Expert

act digital EMEA - Alter Solutions busca un Oracle DBA Senior para administrar y optimizar entornos Oracle críticos, con experiencia en Oracle RAC, Data Guard y Exadata. Se requiere visión de alta disponibilidad y DR, con enfoque en rendimiento y seguridad. El candidato ideal tendrá más de 5 años de ex ...

Consulting Architect — AI / LLMOps RD1

Are you passionate about building the foundations that make AI usable, secure, and scalable in complex enterprise environments? We are looking for a Consulting Architect, AI & LLMOps to define the technical standards, guardrails, and operating models that enable AI adoption at enterprise scale. Mim ...

Arquitecto de Datos Senior: Cloud, Data Mesh y GenAI

Carrefour busca un Arquitecto/a de Datos para definir y gobernar la arquitectura de las plataformas de datos, participando en proyectos de modernización, migración y evolución de plataformas Cloud. Ubicación Alcobendas, Madrid. Modelo híbrido: 3 días presenciales a la semana. Se requieren 8+ años en Ar ...

Arquitecto de Datos Senior Gobernanza en GCP (Alcobendas)

Arquitecto de Datos en Alcobendas (Madrid) busca Grupo TECDATA Engineering para definir y gobernar la arquitectura de las plataformas de datos de la compañía, asegurando que el modelado, movimiento y persistencia de la información cumplan criterios técnicos coherentes y sostenibles. Se valorará experie ...

Analista de Reporting y Operaciones | Remoto en Finanzas

SOTEC Consulting - Grupo Astek busca un Analista de Reporting y Operaciones para un proyecto en Madrid. Participarás en reporting transaccional, análisis de rechazos y gestión de incidencias, orientado a clientes del sector financiero. Buscamos perfil analítico y resolutivo, con capacidad para generar ...

Senior Test Automation Engineer (In The Netherlands) €57.000 €80.000 A Year

Seeking a Senior Test Automation Engineer to design and implement automated test solutions, oversee testing strategies, mentor junior staff, and collaborate with developers and stakeholders to ensure high-quality software delivery in a high-tech innovation environment. ...

Backend Engineer Golang | Remote (Spain) Up To €77.000 A Year Remote

Backend Engineer with Golang experience sought for a remote role in Spain to develop applications and software architecture for a global fintech company specializing in cross-border payments. Requires cloud platform knowledge and event-driven architecture design. ...

Senior Machine Learning Engineer (Mlops / Platform) Contract €550 A Day

Seeking a Senior Machine Learning Engineer for a product-led tech company to build and scale an AI & ML platform for customer-facing products. Responsibilities include owning the ML lifecycle, building production systems, and designing ML infrastructure. ...

Senior Data Scientist (GenAI/LLM/RAG)

¿Eres un experto/a en Data Science buscando tu próximo gran reto? Certificados como Great Place to Work & Best Place to Work , somos una empresa donde la tecnología y las personas van de la mano. Aquí, no solo creces profesionalmente, sino también como parte de una comuni ...

Técnico/a de Monitorización Senior (24/7) – Grafana/ELK

IRIUM en Barcelona busca un/a Técnico/a de Monitorización con más de 5 años de experiencia para operar y mantener plataformas de monitorización corporativas de alta disponibilidad. Se valoran habilidades en Grafana, ELK (Elasticsearch-Logstash-Kibana), CheckMK y monitorización sintética con JMeter, junto con ...

Claims Data & Insights Analyst (Power BI)

Allianz España está buscando un Business Analyst Senior para liderar la analítica de procesos y calidad en la gestión de siniestros. Se encargará de extraer y explotar datos, monitorizar indicadores y diseñar cuadros de mando en Power BI. Se requiere grado en ingeniería o ciencias afines, sólido domini ...

Consultor de Automatización e IA Aplicada | IA Generativa

FI Group by Epsa busca un/a Consultor/a de Automatización e IA Aplicada para diseñar soluciones que automaticen procesos de gestión documental y extracción de datos. Analizar necesidades de negocio, desarrollar en Python y aplicar OCR e IA Generativa para clasificación y generación de informes. Trabaja ...

Observability Trainee: Build Reliable, Scalable Systems

Grifols in Spain is seeking a motivated Observability Trainee to join our IT Operations / Platform Engineering team in Parets del Vallès. You will support the design, implementation and maintenance of monitoring solutions to ensure performance, availability and reliability of systems and applications. ...

Desenvolupador Web Fullstack Junior — Creixement i Formació

La companyia del sector tecnològic està buscant un/una desenvolupador web per a un rol de principiant. Desenvoluparàs i mantindràs aplicacions web tant al frontend com al backend, participant en la creació de funcionalitats noves i en la resolució d’incidències. Treballaràs en un equip dinámic, amb fo ...

Remote Data Science Intern: Generative AI & Cybersecurity

CrowdStrike is offering a fully remote Data Science Internship in Barcelona, starting July 1, 2024. You will work on innovative applications of generative AI technologies in cybersecurity, collaborating with Sr. Data Scientists. The ideal candidate is pursuing a PhD or Master's degree in Computer Scien ...

Cloud Data Architect (NoSQL & AWS DynamoDB)

dLocal is looking for a Cloud Architect specializing in NoSQL and AWS to expand our cloud data capabilities at scale. You will own production DynamoDB workloads, drive data modeling, capacity planning, and cross-region patterns, while collaborating with distributed teams to maintain reliability. You wi ...

Senior Optimization Scientist – Hybrid (Aviation/Tech)

A technology company is seeking a Senior Optimization Scientist to work on complex optimization problems in the aviation sector. You will design and implement advanced optimization algorithms and collaborate with cross-functional teams to develop innovative solutions. The ideal candidate has 3-4 years of experie ...

Remote Industry Solutions Architect for Enterprise Growth

MongoDB is seeking a technologist to join the Industry Solutions Team (IST) in a remote/flexible role based out of Barcelona, with up to 25% travel to cover EMEA and global events. You will lead technical demos, create industry-focused content, and collaborate across Marketing, Sales, and Product to drive go- ...

Data Scientist – Modelos de Empresas (CDAIO) | Madrid

Banco Santander SA está buscando un Data Scientist para Madrid, enfocado en modelos para clientes corporativos y toma de decisiones. Se valorarán capacidades en big data, IA y una visión orientada a resultados en un entorno híbrido con colaboración entre áreas. El candidato ideal posee más de 3 años de ...

Especialista Detección y Respuesta a Incidentes Teletrabajo

MAPFRE en Majadahonda, Madrid, busca un profesional senior en seguridad de la información para integrarse en nuestro CERT y liderar proyectos de detección, respuesta y mejora continua. Participarás en casos de uso basados en MITRE ATT&CK, DETT&CT y MAGMA, con foco en automatización y cumplimiento de normativa ...

Remote Senior Staff SRE Global Cloud Reliability

Palo Alto Networks is seeking an experienced SRE to join a fully remote, distributed team. You will manage large-scale production environments across multi-clouds, implement robust monitoring with Prometheus and Grafana, and drive automation with Python. The role requires strong self-management in a fa ...

Engineering Manager, MAAS — Remote Global Team Leader

A leading open source software provider is seeking an Engineering Manager for its MAAS team. This remote position invites candidates from EMEA or the Americas. Responsibilities include leading engineering teams, mentoring talent, and driving software innovation. Candidates should have a strong background in Pyth ...

Threat Hunter: Cazador Proactivo de Amenazas

S2 Grupo busca un/a Especialista en Threat Hunting para unirse al equipo de seguridad. Identificará amenazas proactivamente, monitorizando eventos de red y sistemas, y colaborará con equipos para mejorar detección y respuesta. Se valorará experiencia en redes, entornos cloud y OS, programación en Pytho ...

Líder BIM para Transmisión Eléctrica

WSP busca un/una Coordinador/a BIM para Liderar la implantación BIM en proyectos de transmisión eléctrica en Valladolid, Madrid, Santander y/o edificación. Deberá coordinar BIM de infraestructuras, gestionar BEP/MIDP/MPDT, y garantizar calidad y cumplimiento normativo. Se valorará experiencia con CDE ( ...

Senior Quantitative Treasury & ALM Risk — Analytics

Ebury Group in Madrid is seeking a Senior Quantitative Treasury/ALM Risk Modelling & Analytics professional to lead advanced risk models and hedging strategies. You will work on liquidity risk simulations, VaR calculations, and multi‑currency scenarios in a hybrid office setup. Ideal candidates bring 5 ...

AI Insights Data Analyst Drive CX & Product Improvements

Cognizant Netcentric in Barcelona is seeking a Data Analyst to translate AI-generated insights from customer call transcripts into actionable product and operational improvements. You will work with Data Scientists and Product Managers to bridge the gap between insights and real-world implementation, focusing ...

Líder de Práctica de IA|Estrategia, Arquitectura y Negocio

Exceltic busca un/a AI Practice Lead para construir desde cero la práctica de Inteligencia Artificial en Madrid, con modalidad híbrida. Liderarás la definición de la visión, roadmap y la entrega de soluciones innovadoras para clientes. Se requiere experiencia de 6 a 9 años en consultoría tecnológica y ...

Senior AI Knowledge Base & Graph Scientist (Hybrid)

Santander, based in Spain, is seeking a Senior AI Scientist to lead the local implementation and evolution of the AI Knowledge Base. You will shape graph schemas, entity resolution, metadata structures, and retrieval pipelines in collaboration with global teams. The role demands 5–10 years in AI or ML ...

Senior Quantitative Treasury & ALM Risk Analyst

Ebury Group in Málaga offers a hybrid role in a dynamic fintech team focused on quantitative treasury risk modelling and analytics. The role develops advanced models, hedging strategies, and IFRS and delta attribution projects with modern Python/SQL tooling. We value creativity, collaboration, and clea ...

🚀 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

    Full Stack Engineer Python React Jobs in Spain Job Search Guide, Trends and Insights