129,015+ Senior Python Fullstack Engineer Fastapi React 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

Aerospace & Defence Technical Sales Engineer

A leading engineering firm in Madrid is seeking a Business Development Engineer to join their advanced engineering team. The ideal candidate will have a strong technical background and at least 6 years of experience in technical sales or business development, focusing on aerospace and defence sectors. Responsibi ...

Staff Product Security Engineer, Reviews

Secure Every Identity, from AI to HumanIdentity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are ...

Electrical Engineer, Water Infrastructure Design

Mott MacDonald Bentley are recruiting for an Electrical Engineer to be based in Madrid or Seville and join our growing Water team to support Mott MacDonald Bentley's work with the @one Alliance and Anglian Water. As part of Anglian Water's @one Alliance, we are on a mission to create a sustainable ...

Electrical Project Engineer BIM & Sustainability

Savills España busca un/a Ingeniero/a eléctrico para unirse a su División de Arquitectura en Barcelona. Este rol involucrará la auditoría de instalaciones, el desarrollo de proyectos mecánicos y eléctricos, así como la elaboración de informes técnicos sobre edificios. El candidato ideal debe tener un t ...

IT Engineer (M/F/D)*

TGW Group is a global leader in highly automated intralogistics solutions. We design, implement, and support advanced warehouse management and material flow systems for some of the world’s most recognized companies, delivering innovative technology throughout the entire system lifecycle. Do you have a stro ...

Project Engineer (m,w,d)

About us Symrise is a global supplier of fragrances and flavors, cosmetic active ingredients, as well as functional ingredients. Its customers include manufacturers of perfumes, cosmetics, food and beverages, the pharmaceutical industry, and producers of nutritional supplements and pet food. ...

Pharma Special Purpose Machinery Engineer

SYNTEGON in Terrassa (Barcelona) is seeking a Mechanical Engineer to design and develop special-purpose machinery for the pharmaceutical sector. The successful candidate will have at least 2 years of experience, particularly in filling machinery, and must be proficient in 3D CAD tools. You will be resp ...

Mechanical Design & Industrialization Engineer (Hydraulics)

RKD Irrigación S.L. in Valladolid, Spain is looking for a Design & Industrialization Engineer to enhance their mechanical design capacity in agricultural machinery. The role involves developing 3D models, collaborating with engineers, and supporting production teams. The ideal candidate will have at le ...

Field Service Engineer Spain I

Job Title Field Service Engineer – España (Técnico de Servicio de Campo en Vacuum Technique Service) Location Bilbao or surrounding Basque Country, Spain. Will travel throughout Spain and occasionally Portugal. Responsibilities Provide high‑quality field ...

Technical Support Engineer FortiGate (Firewall)

Who we are. Fortinet is a global leader in the cyber security industry recognized for our innovative solutions and commitment to customer satisfaction. Our products are designed to help organizations of all sizes protect their networks and data from cyber threats. We have a global presence, with ...

Systems Engineer Relocation to Spain

At Grupo Oesía, we drive high‑impact technological projects across strategic sectors such as defense, aerospace, security, and digital modernization. What We’re Looking For Experience: 5 years as a Systems Engineer in defense, aerospace, or other high‑criticality environments. Edu ...

Embedded Linux Kernel Driver Engineer

Clue keeps on growing! We are now hiring a Linux Device Drivers Developer ! ➪ About Clue At Clue, we research, design, and manufacture new computing technologies to enable innovative intelligent systems. Our motto is to create simple solutions to ...

Software Engineer ADLC (All Genders)

Job Description As a Software Engineer in our PETS area, you will be responsible for contributing to the integration of AI capabilities across the software development lifecycle (SDLC) to improve engineering productivity, delivery quality, and automation within the PETS area of zooplus. This role ...

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 ...

Stress Engineer – Análisis Estructural Aeroespacial

Capgemini Engineering busca ingeniero/a de cálculo y stress en Madrid para colaborar en proyectos del sector aeronáutico. Incorporación híbrida en Madrid, Sevilla, Cádiz o Vitoria, con formación en Ingeniería Mecánica y al menos 2 años de experiencia en análisis estructural. Se requiere inglés mínimo B ...

Firmware Engineer (Embedded C) | Microcontroladores

En BETWEEN te ofrecemos las oportunidades que necesitas para alcanzar tus objetivos profesionales. Si Quieres desarrollar tus capacidades en IT e Ingeniería, éste es tu próximo destino! Damos soporte en una gran variedad de áreas como Firmware, Software, BI, Diseño, Project Management y muchas más. Ade ...

High Speed Systems Engineer Lead

AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mis ...

Growth Engineer: Enterprise Frontend & Personalization

HappyRobot Inc. seeks a Growth Engineer to own the full tech lifecycle of our digital presence, migrating the marketing site to a self-hosted Next.js/Vercel + Payload CMS stack. You’ll craft programmatic VIP landing templates, enable edge personalization, and ensure robust analytics across the funnel. ...

Founding Engineer, AI Systems & Infrastructure

Firmwork is building the execution layer for AI-native firms. Expert firms still run on inboxes, folders, documents, spreadsheets, meetings and people’s memory. AI has entered the firm, but mostly as a tool sitting outside the real work: a chatbot, a drafting assistant, a search box ...

Service Engineer – Elevator (Spain& Portugal)

Job Description Location: Spain & Portugal | Employment: Full‑time (40 hours/week) Reports to: Technical Manager We are looking for a proactive and dependable Service Engineer to join our team specialising in marine elevators on board seagoing vessels. This role is key to ensuring ...

Machine Head Subsystem Program Engineer

Job Description Summary The Machine Head Subsystem Lead Technical Program Manager provides program and operational leadership enabling the Machine Head team to achieve business priorities, execute programs, and run the business with excellence. They will work closely with Product Managers, ...

Enterprise Integration Engineer – Payments (Madrid)

Monograph is seeking an Integration Engineer to join their Professional Services team in Madrid. In this role, you will manage technical relationships with strategic users, lead integration projects, and educate clients on Stripe's offerings. The ideal candidate has 2-6 years of experience in Software ...

Engineer, High Performance Decentralized Communications

Technical University of Cartagena seeks an Engineer for the development of high-performance decentralized communication systems. The role is a full-time, indefinite contract based in Spain, with a 35-hour work week from Monday to Friday. Required qualifications include a Bachelor's Degree in Telematics ...

Madrid Energy Project Engineer Intern

Wood is seeking a Project Engineer Intern in Madrid, Spain. This internship offers engineering students the chance to gain hands-on experience in the oil & gas industry. Responsibilities include collaborating on engineering projects and assisting in various tasks. We are looking for final-year candidates in Indu ...

Remote IT Support Engineer — Bilingual

Clinisys is seeking a Customer Support Engineer in Spain to review and resolve incidents within SLA timelines. The permanent role covers 08:00–18:00 with 24/7 shifts and some work-from-office flexibility. Based in Orihuela, the position supports customers and contributes to product software development ...

Product Engineer (AI & Full Stack)

Buscamos Product Engineer (AI & Full Stack) en PROXUS En PROXUS estamos ampliando el equipo de producto y desarrollo. PROXUS es un proyecto que empezamos hace 2 años cuatro compañeros de la universidad y que hoy ya utilizan más de 150.000 estudiantes en toda España . Est ...

UPS Field Service Engineer Bilbao

Job Description Resumen Responsable de las puestas en marcha, mantenimiento preventivo y reparaciones para SAI’s, baterías y sistemas de conectividad de VERTIV. Su participación es requerida para establecer, promover y mantener relaciones de excelencia con todos los clie ...

Field Service Engineer Internship — Madrid

Abbott está buscando un becario para el cargo de Field Service Engineer en Madrid. Esta posición ofrece la oportunidad de aprender sobre sistemas analíticos y brindar soporte técnico a equipos clínicos en un ambiente colaborativo. Los candidatos ideales tienen un grado en ingeniería, un alto nivel de i ...

Project Engineer Internship Curious Talent

Aplica tu Magia con nosotros ¿Estás listo para explorar, romper barreras y descubrir mucho más? Sabemos que tienes grandes planes. Nosotros, también, innovar con la ciencia y la tecnología para enriquecer la vida de las personas con las soluciones en Healthcare, Life Science y Electronics apasiona ...

Industrialization & Process Engineer PTM Specialist

Valeo Service seeks a Process/Manufacturing Engineering Engineer/Technician in Martos, Spain. You will lead industrialization efforts for new lines, drive efficiency improvements, and collaborate with suppliers to introduce and validate equipment. The role requires 1-2 years in a similar role, an Indus ...

Embedded Linux IoT Firmware Engineer

Airzone, ubicada en Andalucía, busca un ingeniero para el desarrollo de firmware de módulos IoT. El candidato ideal tendrá experiencia en sistemas embebidos con C/C++, y conocimientos de protocolos IoT como Modbus y MQTT. Los requisitos incluyen un nivel B2 de inglés y habilidades en herramientas de de ...

Industrial Site Construction Engineer – Madrid

Group-IPS in Madrid seeks an Site Construction Engineer to join our international EPCM team. You will manage project documentation, planning, cost control and construction supervision across mid-to-large industrial projects, delivering quality results on time and within budget. You will participate in ...

Lead Plastic Injection Tooling Engineer

Valeo Espana S.A.U in Martos, Spain, is seeking a Tooling Technician to contribute to mold development for P1 projects. You will participate in RFQ activities, validate mold tooling and ensure alignment with Valeo standards across design reviews and trials. The role focuses on coordinating with tooling ...

Industrialization Engineer: Lean Processes & Equipment

Valeo Espana S.A.U is seeking a Process/Manufacturing Engineering Engineer/Technician for the P0/P1 industrialization initiative in its Andalusia facility. You will drive efficiency gains by refining machines and labor processes and you will collaborate on new equipment and line designs to optimize production ...

AI Operations Engineer (Functional Analyst)

We are seeking an AI Operations Engineer (AI-First Doer) who thrives in the vibe coding era. Reporting directly to the COO, your mission is to hunt down operational friction across every department and build working AI-driven solutions in days, not months. This is not a corporate role or a strategic co ...

Robotics AI & Embedded Software Engineer

At ABB, we help industries outrun - leaner and cleaner. Here, progress is an expectation - for you, your team, and the world. As a global market leader, we’ll give you what you need to make it happen. It won’t always be easy, growing takes grit. But at ABB, you’ll never run alone. Run what runs the world.This ro ...

SAP FI Support Engineer — Hybrid

Inkoova busca un profesional de IT con experiencia en SAP FI para unirse al equipo de soporte de aplicaciones. Coordinará la implementación de soluciones con desarrollo y dará soporte al módulo financiero de SAP. La posición es híbrida en Barcelona, con desarrollo profesional y participación en proyect ...

Software Engineer Intern (Fintech / Barcelona)

A little bit about Flanks Flanks is shaking up the wealth management industry by making it simpler and way more efficient for financial institutions. Our SaaS platform is designed to help banks, family offices, and wealth managers get a full picture of their clients' financial assets—all in one p ...

DCS Control System Engineer Intern

About us Grid Solutions, a GE Renewable Energy business, serves customers globally with over 13,000 employees. We provide power utilities and industries worldwide with equipment, systems, and services to bring power reliably and efficiently from the point of generation to end power consumers. We ...

Remote 3D Printing Support Engineer

Concentrix is looking for a Remote Support Engineer based in Barcelona. This hybrid role involves supporting customers with technical issues related to 3D printers. Candidates need strong technical knowledge and proficiency in English. The position offers a permanent full-time contract with a gross sal ...

Project Engineer Junior – energías renovables

Project Engineer Junior – energías renovables ¿Te interesaría seguir desarrollándote como ingeniero/a junior en una empresa tecnológica internacional del sector de las energías renovables , participando en proyectos reales de plantas solares, eólicas y sistemas de almacena ...

Electrophysiology Field Engineer Intern (Tenerife)

Job Description About Abbott Abbott is a global healthcare leader, creating breakthrough science to improve people’s health. We’re always looking towards the future, anticipating changes in medical science and technology.Working at Abbott At Abbott, You Can Do Wo ...

# BECA AHE Airframe Design Engineer

Job Description Ready to join one of our Graduate Programs in Spain? We are looking for recent graduates from different disciplines interested in developing their professional career in the aeronautical sector. The current context demands different ways of looking, thinking and relating. <h3 ...

Sales Engineer (f/m/d)

Working at Freudenberg: We will wow your world! This is our promise. As a global technology group, we not only make the world cleaner, healthier and more comfortable, but also offer our 52,000 employees a networked and diverse environment where everyone can thrive individually. Be surprised and experienc ...

Process Engineer: Sustainable Manufacturing & Optimization

WACKER is seeking a Process Engineer to join our team in León, Spain. You will design and optimize manufacturing processes for new production plants, ensuring they are safe, efficient, and environmentally friendly. The ideal candidate will have a Bachelor's degree in Industrial or Chemical Engineering, ...

IT Infrastructure Engineer RDT ERP

Die Position Job description The ERP Platform Engineer is a seasoned technical expert who focuses on engineering, managing, and optimizing enterprise resource planning (ERP) platforms, such as SAP, to ensure robust performance and scalability. In this role, you will take ownership ...

GenAI/LLM AI Engineer (Hybrid)

Sopra Steria busca un/a AI Software Engineer (GenAI / LLM) en Barcelona para unirse a un equipo internacional en el sector asegurador. Serás clave en el desarrollo de aplicaciones IA que usan modelos de lenguaje avanzados, abarcando todo el ciclo de vida del desarrollo desde la implementación hasta la monitor ...

AI Software Engineer (GenAI / LLM)

Descripción del empleo Estamos buscando un/a profesional AI Software Engineer (GenAI / LLM) para incorporarse en nuestro equipo y formar parte de un proyecto internacional del sector asegurador. Serás responsable del diseño, desarrollo y puesta en marcha de soluciones basadas en I ...

Payments Backend Engineer | Scale Microservices

N26 is looking for a software developer in Barcelona (hybrid role) to join the Everyday Banking team. You will work with a multicultural team developing modern payments systems that enhance customer experience. The ideal candidate has experience with JVM languages, microservices, and cloud environments ...

New Programs Engineer (Quantum Optic)

The position involves multidisciplinary and collaborative work in space programs related to quantum and optical technologies, especially Quantum Key Distribution (QKD). You will be able to work in real space programs with the aim of implementing these state‑of‑the‑art technologies in commercial satellites, ...

🚀 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

    Senior Python Fullstack Engineer Fastapi React Jobs in Spain Job Search Guide, Trends and Insights