Remote Fullstack Developer React Python Ai Jobs in Spain

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

Remote AI Driven SEO Team Lead — Automation & Growth

Leadtech Group seeks an SEO Team Lead (AI and Automation) in Spain to redefine their organic growth engine. This role involves managing multiple SEO strategies, leveraging AI for automation, and leading a team of specialists. Key responsibilities include transitioning the team towards revenue generation and crea ...

Senior AI Agent Infra Engineer — Remote, Scalable Platform

Yuno is looking for a skilled individual to manage and evolve their AI agent platform infrastructure. This role in Spain requires expertise in event-driven architecture and AWS, along with experience in databases and Docker. You’ll design robust communication systems, ensure reliable platform operation, and infl ...

Junior/Mid AI Legal Specialist (Full Remote Spain)

AI Legal Specialist We are looking for a motivated AI Legal Specialist with a passion for tech and AI to join our Compliance Team. In this role, you will own legal and compliance workflows, guided by and working side‑by‑side with our Ethics and Compliance Officer, Maxwelle Sokol. This is an oppor ...

Senior Portuguese Voice Actor for AI Training (Remote)

A leading AI technology company is seeking a skilled Portuguese Voice Actor for a freelance AI Trainer project. Your role involves recording scripted materials, assessing AI outputs, and providing feedback to improve voice models. Candidates must possess experience in voice acting or related fields, along with a ...

Korean Language AI Trainer — Remote, Entry Level Specialist

A technology firm is seeking a Korean Language Specialist to enhance AI models. This remote contract role requires expertise in Korean grammar and linguistics, with responsibilities including conversing with AI and documenting errors. Ideal candidates hold degrees in relevant fields and may have teaching or ling ...

Remote Voice Actor for AI Training Freelance Project

A leading AI technology company in Spain seeks an experienced Voice Actor for a Freelance AI Trainer Project. You will record material and assess AI outputs, improving voice models through your expertise. Ideal candidates will have a professional background in voice acting along with excellent communication skil ...

Senior Frontend Engineer Angular Migrations & AI Tools (Remote)

Zartis is looking for a Senior Frontend Engineer to join their 100% remote team. The role involves migrating applications from Angular 13 to the latest version and upgrading shared UI libraries. Candidates should have over 7 years of frontend development experience, particularly with Angular. Strong communicatio ...

Remote Technical Account Manager AI AdTech for Growth

RTB House is seeking a Technical Account Manager to join their team in Spain. The role involves conducting technical operations for clients, coordinating technical issues during online campaign launches, and monitoring campaign effectiveness. Candidates should have 2+ years in tech support, strong analytical ski ...

Senior Data Engineer: AI Powered Pipelines (Remote EU)

Oliver Bernard is seeking a highly skilled Senior Data Engineer in Spain. The candidate will focus on building data pipelines and AI-powered systems, contributing to architectural decisions, and collaborating with cross-functional teams. With 5+ years of experience required, knowledge of FastAPI and experience w ...

Remote Investment Banking Analyst AI Data Evaluator (Contract)

Call For Referral is seeking an Investment Banking Expert to evaluate financial models and improve AI training data. The successful candidate will have a minimum of 2 years in investment banking at a top-tier firm, with experience in financial modeling and investment analysis. Responsibilities include reviewing ...

AI First Tech Lead: Architect & People Leader (Remote)

WorkFlex is seeking a Mini-CTO to lead a high-autonomy team and drive architectural decisions while mentoring engineers. You will balance technical excellence with people management in a remote-only environment. Ideal candidates will have 1-2+ years of people management experience and over 5 years in Java, Sprin ...

AI First Full Stack Engineer — Remote, High Impact

Zendrop is a fast-growing US-based dropshipping platform that helps entrepreneurs easily start and scale their online stores. Thousands of merchants use our tools to streamline logistics, improve customer experience, and grow revenue. At Zendrop we move fast, take ownership, and care deeply about resul ...

Remote Senior Big Data Engineer — Data & AI Architect

Bosonit busca un Big Data Engineer en España, con al menos 5 años de experiencia en entornos Big Data y cloud. Este rol incluye el diseño, desarrollo y optimización de pipelines de datos utilizando tecnologías como Scala, Java, Apache Spark y Databricks. Se ofrece una modalidad 100% remota, formación continua, y ...

Remote Email & Content Marketing Specialist for AI Growth

Jobgether is seeking an Email Marketing Specialist to execute high-impact email campaigns and publish optimized content aimed at student audiences. This fully remote role requires 2 to 4 years of digital marketing experience, particularly in email and content marketing. Candidates should have a strong grasp of a ...

Remote SEO & GEO Lead for AI Driven Growth

Jobgether is seeking a SEO/GEO Specialist based in Spain. This high-impact role focuses on developing and executing SEO and Generative Engine Optimization strategies to drive organic customer acquisition. You'll manage initiatives that connect SEO performance directly to revenue outcomes, collaborate cross-funct ...

Senior Software Engineer Remote AI Training & Systems Design

A leading AI lab is seeking experienced Senior and Staff Software Engineers in Spain for a flexible, part-time remote opportunity. Candidates should have over 5 years of experience at top technology companies and strong expertise in system design, algorithms, and software architecture. The position allows for up ...

Senior Solver Architect Remote Cross Chain AI/DeFi

A leading technology laboratory in Spain is seeking a Senior Software Engineer (Solvers) to architect the Solver network and enhance performance and reliability of its ecosystem. The ideal candidate will have over 7 years of experience in distributed systems and fluency in TypeScript and Go. This role includes l ...

Remote Senior Mechanical Engineer — Part Time AI Design

A leading AI firm is seeking experienced Senior and Principal Mechanical Engineers for a flexible remote role. Responsibilities include training AI on mechanical design tasks, and refining AI-generated work related to design analysis and manufacturing processes. The position requires 5+ years of experience in to ...

Software Engineer End to End, AI Driven (Remote)

Una empresa tecnológica en España busca un Ingeniero de Desarrollo de Software para desarrollar soluciones end to end. Se requieren mínimo 3 años de experiencia en desarrollo web y conocimientos en tecnologías como Java, Angular y AWS. Es esencial la experiencia en el uso de IA en el desarrollo de software. La e ...

Remote Senior C Systems Engineer AI Training & Review

A fast-growing AI data services company is seeking a Senior C Engineer to work remotely on an hourly basis. You'll review AI-generated C code and design solutions, ensuring accuracy and clarity. The ideal candidate will have over 4 years of experience in C programming and a bachelor's degree in a related field. ...

Remote Head of Engineering, Europe — AI First Leader

A leading digital technology company is seeking a Head of Engineering to lead and scale a high-performing engineering organization across Europe. This role includes overseeing backend and frontend development, mentoring teams, and driving innovation through an AI-first engineering culture. Ideal candidates will ...

Remote R Engineer: AI Data QA & Analysis Expert

A fast-growing AI Data Services company in Spain is seeking a remote R Engineer to review AI-generated responses and generate data-analysis-focused content. The role demands expertise in R programming, strong statistics knowledge, and hands-on experience with data analysis. Responsibilities include creating AI t ...

Remote Full Stack Engineer: AI First, Ownership & Impact

A leading HR Tech startup is seeking a Fullstack Product Engineer to join their innovative team. You will collaborate closely with Product Managers, balance your expertise between Java and Angular, and own the security of applications handling global compliance data. Candidates should have at least 3 years of ex ...

Remote Contract: Application Security Analyst for AI Risk

A leading technology firm is seeking an Application Security Analyst to assess and remediate software security risks. You will evaluate vulnerabilities across applications and help create security datasets for AI training. The ideal candidate has over 2 years of security experience and a strong understanding of ...

AI Powered Product Lead Early Stage, Remote, B2C

A dynamic product-driven company is seeking an experienced Product Manager to lead the full product lifecycle from initial idea validation through MVP launch to scaling. The ideal candidate thrives in a remote environment, has strong experience in B2C product management, and is skilled in using AI tools for data ...

Remote IAM Analyst: Identity & Access Security for AI

A progressive tech company is seeking an Identity & Access Management Analyst to address modern security challenges. You will analyze IAM and access control scenarios while identifying weaknesses. The role requires 2+ years of relevant experience with IAM and a strong understanding of identity failures. The posi ...

Remote AI Language Trainer (Spain) — Spanish Linguistics Expert

A leading AI training firm is seeking a Spanish Language Specialist to contribute expertise in shaping AI. Responsibilities include interacting with language models, verifying linguistic accuracy, and documenting errors. Candidates should hold a Master’s or PhD in Spanish linguistics and possess strong communica ...

Senior Full Stack JS Engineer – EdTech (Remote, AI)

Wait a minute.Are you inspired by building a pioneering EdTech company that will empower millions of people? Do you dream of creating cutting-edge web applications that seamlessly combine AI, UX/UI excellence, and scalability to create transformative learning experiences at scale ? <p ...

Remote Swedish Coding Specialist for AI Training Data

Are you a coding expert fluent in Swedish eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery. With high‑quality training data, tomorrow’s AI can democratize world‑class education, keep pace with cutting‑edge research, an ...

Pure Mathematics Expert for AI Reasoning Trainer (Remote)

Are you a theoretical mathematics expert eager to shape the future of AI? Large-scale language models are rapidly advancing, and their ability to handle rigorous proof-based reasoning depends on high-quality mathematical training data. With your advanced expertise, tomorrow’s AI can better understand abstract ...

Go Backend Engineer for AI Travel Platform (Remote)

A growing travel tech company is seeking a Software Engineer to join our innovative team in Spain. You will build backend systems for AI-driven products, collaborate with customers, and participate in product decisions. We value ownership, communication, and curiosity about user impact. The role offers significa ...

Senior Arabic Voice Actor for AI Training (Remote)

A leading AI training company seeks a skilled Arabic Voice Actor to contribute to shaping the next generation of AI. In this remote freelance role, you will record scripts, evaluate AI outputs for accuracy, and refine voice models. Ideal candidates will have a background in voice acting and strong communication ...

Remote Data Scientist / AI Engineer — ML, MLOps, Cloud

Una empresa líder en IT busca un Data Scientist / IA Engineer para su unidad de Data & Analytics. El candidato ideal tiene más de 3 años de experiencia y conocimientos técnicos avanzados en Python, MLOps y aprendizaje automático. Ofrecemos un entorno de trabajo 100% remoto, estabilidad laboral con contrato indef ...

Senior Automation QA Engineer Remote & AI Driven Testing

A leading vacation rental tech company in Spain is looking for a Senior QA Automation Engineer to enhance their software quality through innovative automation solutions. In this role, you will design and implement robust automated testing frameworks while collaborating closely with development teams. Ideal candi ...

Remote Red Team Security Engineer — Cloud & AI Defense

A global enterprise services company is seeking a skilled Security Engineer, Red Team. This full-time, remote position is available for candidates based in Spain or Portugal. The role involves simulating security attacks, conducting penetration tests, and enhancing the company's security posture with AI and clou ...

Senior Product Manager, AI Driven EdTech Platform (Remote)

A leading educational technology firm in Spain is seeking an experienced Product Manager to own product strategy and team mentorship. You will define a multi-year roadmap while driving market insights in AI and EdTech. Ideal candidates have over 5 years of experience in software development and a proven record o ...

Remote Finance Engineer: AI Driven Strategy & FP&A

A leading travel fintech company is looking for a Finance Engineer in Spain to build automated reporting systems and model financial strategies using AI tools. The role requires a strong analytical mindset and 5-7 years of experience in a tech environment. Candidates must have a degree in a quantitative discipli ...

Remote ESL Tutor for AI Training (EN/ES)

A leading AI training firm is looking for an ESL Tutor to evaluate and enhance AI chatbots' conversations in both English and Spanish. This remote, flexible position offers hourly pay starting at $30+ USD, depending on project complexity and quality. Candidates should be detail-oriented and possess excellent wri ...

Software Engineer Lead

Descripción del puesto / Funciones Buscamos un/a Software Engineer Lead con perfil FullStack para diseñar y desarrollar soluciones tecnológicas modernas, escalables y de alta calidad. La persona seleccionada será responsable de: Diseñar y construir interfaces de usuario responsi ...

Desarrollador/a Backend PHP (con certificado de discapacidad)

Desarrollador/a Backend PHP (con certificado de discapacidad) Desarrollador/a Backend PHP (con certificado de discapacidad) Desde Eurofirms Foundation estamos en búsqueda de un/a Desarrollador/a Backend PHP (con toques Fullstack) para incorporarse a importante empresa líder ...

Senior Full Stack Software Engineer & AI, Madrid

Senior Full-Stack Software Engineer & AIWe are: Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global communi ...

Software Engineer | Up to 70k | Full Remote

Ready to reinvent customer experience through AI and automation? We’re hiring a Senior Software Engineer to build systems that anticipate, automate, and optimize customer interactions at scale. You’ll work on high-impact challenges across AI, automation, and distributed systems, directly inf ...

Software Engineer Valencia (híbrido)

Sobre la empresa Nuestro producto consiste en una plataforma SaaS en la que se desarrollan herramientas de codificación automática para la estructuración de datos en el ámbito biomédico . Si quieres formar parte de una empresa en pleno crecimiento, estable y con un equipo joven y din ...

Software Engineer Valencia (híbrido)

Sobre la empresa Nuestro producto consiste en una plataforma SaaS en la que se desarrollan herramientas de codificación automática para la estructuración de datos en el ámbito biomédico . Si quieres formar parte de una empresa en pleno crecimiento, estable y con un equipo joven y dinámico, puede ...

Sr Full Stack Engineer (Applied Ai) €3.200 €5.000 A Month Remote

Develops full-stack applications integrating LLMs, focusing on AI-assisted products, and building modern web applications using TypeScript, Node.Js, and React. ...

Salesforce Consumer Goods Cloud Mobile Front End Developer

Una empresa innovadora en Galicia busca un Front Office Mobility Developer para unirse a un proyecto de Salesforce Consumer Goods Cloud. El candidato ideal tendrá experiencia en el desarrollo de aplicaciones móviles, trabajando en un entorno ágil y colaborativo. Clave será la comunicación en inglés y habilidades ...

Senior UI Architect & Frontend Innovator

A leading technology firm in Spain is seeking a Senior UI Architect & Developer to lead the design and development of user interfaces. The role requires deep expertise in React, TypeScript, and accessibility standards. Candidates should be experienced in managing state and integrating APIs in a performant manner ...

Remote ML Engineer for Document AI and Kubernetes

Una empresa de tecnología busca un/a Ingeniero/a de Machine Learning orientado/a a producción en España. El rol implica operacionalizar y mantener modelos de IA en un entorno basado en Kubernetes, garantizando rendimiento y estabilidad. Se requiere un sólido manejo de Python y experiencia con herramientas como G ...

Senior AI Native Full Stack Engineer (Next.js) Remote

Propel is seeking a Senior Full Stack Product Engineer specializing in Next.js and TypeScript for a remote position. You will be responsible for managing end-to-end delivery of features in a fast-paced, AI-driven environment. Ideal candidates will have over 5 years of experience and strong debugging skills. The ...

Product Ops Lead — Remote, AI Driven, Stock Options

Fundraise Up is seeking a Product Ops Specialist to enhance their product team's efficiency and processes. This hands-on role emphasizes workflow automation and cross-team collaboration. Responsibilities include prioritizing Product Ops initiatives, leading process changes, and ensuring metrics-driven improvemen ...

🚀 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 Developer React Python Ai Jobs in Spain Job Search Guide, Trends and Insights