121,488+ Senior Fullstack Engineer Java Javascript 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 Medical Director

TFS HealthScience is a leading global mid-size Contract Research Organization (CRO) that partners with biotechnology and pharmaceutical companies throughout their entire clinical development journey. Our expertise includes full service-capabilities, resourcing and Functional Service (FSP) solutions.<st ...

Senior Project Manager

Senior Project ManagerAbout the roleThe Data & Analytics Platforms Team (DAP) develops and runs central platforms and data products, which enable the Allianz Operating Entities (OEs) to generate value from data & analytics at scale. The major offering is the Alli ...

Senior Document Controller

¿Quiénes somos?Somos una empresa joven, con un largo recorrido previo y en fase de crecimiento.En Quark, diseñamos infraestructuras para conectar digitalmente al mundo de una manera segura, eficiente y sostenible; desarrollando ...

Senior Product Designer

Lo que buscamos es…Una persona con, al menos, de 4 a 5 años de experiencia en proyectos de Diseño de Producto Digital, preferiblemente en estudios de diseño o consultoría. Valoramos tu capacidad para generar impacto y ofrecer soluciones innovadoras.<h3 ...

Senior Backend Developer

We are looking for a Senior Backend Developer who will work directly with our design and production departments creating beautiful software and mobile apps for the Southeast Asian markets. ...

Senior Quality Manager

TFS HealthScience is a leading global mid-size Contract Research Organization (CRO) that partners with biotechnology and pharmaceutical companies throughout their entire clinical development journey. Our expertise includes full service-capabilities, resourcing and Functional Service (FSP) solutions.<st ...

Ingeniero Civil Senior

Eosol Group busca Ingeniero Civil SeniorExperiencia Requerida: 5 añosAcerca de Eosol Group:En Eosol Group, somos pioneros en el desarrollo e implementación de soluciones innovadoras en el sector de las energías renovables. Nuestra pasión por la sostenib ...

Data Analyst (Senior)

¿Te interesa desarrollar tu perfil en un entorno de consultoría estratégica y alta innovación tecnológica?¿Buscas un reto donde tus habilidades técnicas transformen datos en decisiones clave de negocio?En Strategic Platform unimos estrat ...

Senior Product Manager

We are looking for a hands-on Senior Product Manager who can move fast, test aggressively and scale what works. You will own the end-to-end solution, work closely with leadership and play a key role in our next phase of growth.Your responsibilities:<ul ...

Senior Concept Artist

Job DescriptionWHAT YOU WILL BE WORKING ONMain challengeWe are looking for a Concept Artist to support the pre-production and visual development of our core game titles, creating concepts and artistic references that help align ...

Senior Compensation Specialist

📍 Barcelona — 4 days in-office, 1 day remote 📄 Full-time 🏢 Remuner, a fast-growing B2B SaaS company in the RevOps tech space✨ About the RoleRemuner is transforming how companies design, manage, and communicate sales incentives. We're looking for a ...

Senior Integration Specialist

About the role:As a Senior Integration Specialist, you will play a crucial role in designing, developing, and implementing integration solutions for our presales processes (CRM/Marketing/Consent Management/...).< ...

Senior Flights Commercial

What Is Exoticca?Exoticca is a pioneering online travel agency that has revolutionized the conception, production, and e-commerce of long-distance dream trips. At the core of Exoticca's brand equity is the commitment to creating life milestones. We believe in delivering best-value tr ...

Senior Talent Acquisition

Merlin Digital Partner is a tailor-made digital recruitment company for startups, scale-ups and corporates. We were born in Tech Barcelona where we established one of our main offices.We are a dynamic and young team, tech & digital lovers, and truly committed with our candidate ...

Senior Product Designer

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

Senior Account Manager

#LI-HYBRID WHY KENES: At Kenes, we foster a family-like work environment within a global company.We understand the significance of work-life balance and strive to create an atmosphere that supports personal well-being and professional growth.We believe in empowering our employees with kn ...

Senior Growth Consultant

¿Eres capaz de entrar en el negocio de un cliente, identificar sus palancas reales de crecimiento y convertirte en el consultor que no quieren perder? Buscamos un/a Senior Growth Consultant con visión de negocio, criterio estratégico y capacidad real de liderazgo: un perfil sólido y con recor ...

Senior Medical Director

TFS HealthScience is a leading global mid-size Contract Research Organization (CRO) that partners with biotechnology and pharmaceutical companies throughout their entire clinical development journey. Our expertise includes full service-capabilities, resourcing and Functional Service (FSP) solutions.<st ...

DESARROLLADOR/A SENIOR

DESARROLLADOR/A SENIOR Oferta 9520 Características del Puesto de Trabajo Puesto(Categoría en la que se va a contratar): DESARROLLADOR/A SENIOR Actividad a realizar: PROFESIONALES DE LA INFORMÁTICA Funciones/Tareas principales del puesto: Desarrollar funcionalidades y soluciones software.Participar en el aná ...

Senior Product Designer

An amazing designer job. I'm just testing the product, sorry for any inconvenience tech team 🙏 Fill in the form, we will contact you... ...

Contable Senior Canillejas

Importante compañía internacional, central de compras del Grupo Carrefour para sus operaciones en Europa, busca incorporar un/a Contable Senior para reforzar su equipo financiero.La persona seleccionada tendrá un papel clave en la supervisión y ejecución de los procesos contables y financieros, garantizando ...

Auditor/a Senior

Firma internacional de servicios profesionales precisa incorporar un/a auditor/a senior en su oficina en Madrid.En Russell Bedford, somos muy conscientes de que las personas marcan la diferencia, por eso, tenemos oportunidades preparadas para ti. Porque el reto es cada vez mayor y buscamos perfiles ...

Senior Security Architect

At adidas, every day is a chance to flip the script. An invitation to take everything we know and re-invent it. Do it better. Never settling for good enough.Every day we get up, invent, adapt, improvise, find new ways to collaborate, and do the unexpected. We’re creators, makers and doers. Helping ...

Senior Talent Acquisition

RoleAs a Senior Talent Acquisition Manager, you will support our team by managing the end-to-end recruitment process for consulting and technical roles. You will play a key role in identifying high-quality candidates, coordinating the hiring process, and ensuring a smooth and professional ...

Senior Infrastructure Technician

¡Hola! Somos OGANos ilusiona que estés considerando esta oportunidad de empleo.Somos una compañía pionera en la hibridación de la Inteligencia Artificial y la Investigación Operativa, con sede en Sevilla. Nuestro objetivo es transformar la industria a través de solucione ...

Senior Product Owner

T'apassiona la innovació tecnològica i la transformació digital?A Raona, desenvolupem solucions IT en transformació digital i automatització de processos en entorns Microsoft.Som una empresa amb més de 330 raonencs entre Espanya, Andorra, Argentina i Colòmbia. Ens caracteritzem per ser orientats ...

Senior Data Scientist

Smadex is a leading advertising technology company founded in Barcelona in 2011 and sold to American-based and stock-listed Entravision in 2018 (NYSE::EVC).We are a fully transparent platform built with top technology, countless programmatic management features and powerful machine learning algorit ...

Senior Tax Advisor

Forvis Mazars Group SC is an independent member of Forvis Mazars Global, a leading global professional services network. Operating as an internationally integrated partnership in over 100 countries and territories, we specialise in audit, tax and advisory services.As part of Forvis Mazars</ ...

Arquitecto/a Senior

Actualmente buscamos incorporar un/a Coordinador/a de Proyectos para nuestra delegación de Mallorca, que lidere el desarrollo técnico de promociones residenciales desde su fase de diseño hasta el inicio de la ejecución, garantizando el cumplimiento de los estándares de calida ...

Senior Medical Writer

SENIOR MEDICAL WRITER - HOME BASED IN SPAIN (any other countries won't be taken into consideration)About this roleTFS HealthScience is a leading global, mid-size Contract Research Organization (C ...

Lead Senior Auditor

City : Sant Just Desvern State : Barcelona (ES-B)Country : Spain (ES)Requisition Number : 44302 Role Purpose: Being part of the Global Internal Audit team will allow you to: Generate a quantifiable return for the business by effectively leading a varie ...

Senior Project Manager

TFS HealthScience is a leading global mid-size Contract Research Organization (CRO) that partners with biotechnology and pharmaceutical companies throughout their entire clinical development journey. Our expertise includes full service-capabilities, resourcing and Functional Service (FSP) solutions.<st ...

SENIOR PLANT CONTROLLER

¿Te motiva liderar el área de control de una planta industrial y convertir los datos productivos en información clave para la toma de decisiones?Mowi, multinacional líder en el sector de alimentación y presente en más de 25 países, busca incorporar un/a Senior Plant Controller para l ...

Pentester senior, hibrido

Pentester senior¿Quieres participar en análisis avanzados de seguridad ofensiva? ¡El equipo de auditorías técnicas de GMV te está buscando! Nos gusta ir al grano, te vamos a contar lo que no está en la red. ¿A QUÉ RETO TE VAS A ENFRENTAR? Como Senior Pentester, no solo ejecutarás pruebas técnica ...

ABOGADO/A SENIOR

Despacho jurídico especializado en Derecho Laboral y de la Seguridad Social, con más de 20 años de experiencia asesorando tanto a empresas como a particulares.Contamos con un equipo joven, altamente cualificado y en crecimiento, donde el trabajo en equipo, la calidad técnica y la cercanía ...

Senior Lawyer Commercial

Job DescriptionWe are looking for a driven and highly autonomous legal professional to join our Commercial team. In this role, you will bridge our Global Headquarters (HQ) and the Spanish (ES) market, providing critical legal support that enables our business to scale efficiently. Quali ...

SENIOR CIVIL DESIGNER

ADYD Group - We are hiring!We are looking for a Senior Civil Designer with extensive experience in the oil and gas petrochemical industry to join our Project Team for our current projects.The role will typically include the conceptual design and specifications to identif ...

Senior Programmer | Python

Python Developer especializado en ETL. En KRELL Consulting buscamos un perfil Python Developer especializado en ETL. Puesto: Senior Python Developer (Especializado en ETL)Modalidad: 100% Teletrab ...

Senior Personal Assistant

Step into a role that stands at the intersection of luxury, precision, and global influence. As a Senior Personal Assistant supporting a Forbes-listed businessman and his family, you will operate in a world where standards are uncompromising, expectations are elevated, and every det ...

Senior Android Developer

We are looking for a Senior Android Developer who will work directly with our design and production departments creating beautiful software and mobile apps for the Southeast Asian markets. ...

Auditor/a Senior

Somos la primera firma española de servicios profesionales de auditoría, consultoría, asesoramiento legal/ fiscal y corporate.Contamos con más de 1200 empleados en nuestras 15 oficinas de España, más de 1.500 en todo el mundo y 59 oficinas permanentes en el extranjero, además de la cobertura global en ...

Senior Procurement Specialist

About the RoleImagine working on projects where every decision matters.Where your judgment has real impact, and you can contribute far beyond day-to-day tasks.At Whitewater, we’re looking for a procurement professional who enjoys understanding each scope in depth, navigating complex markets, ...

Senior Backend Developer

Who are YapilyWhy we exist, and where we’re headed:Our Mission: Redefining how the world interacts with value.Our Vision: A world without financial frictionOur Purpose: To empower everyone to access and move valueAt Yapily, we’re building a powerfu ...

Senior Data Architect

Senior Data ArchitectAbout the roleJoin the SimpliFi program as a Lead Architect & Data Engineer to shape the Azure‑based data platform that unifies financial data across Operating Entities (OEs) and powers standardized accounting and reporting. You’ll set architectu ...

Senior Sales Manager

En Aylanz Hospitality Group buscamos un/a Senior Sales Manager para liderar la estrategia comercial del grupo, impulsando el crecimiento sostenible de ingresos a través del desarrollo de mercados, la captación de cuentas estratégicas y la generación de nuevas oportunidades de ...

Senior Python Developer

Python developer with a strong passion for music?That's what BMAT Music Innovators is looking for.Even more so if you're based in Barcelona and enjoy the flexibility of remote work while having the option to meet your colleagues in person. However, being based anywhere in Spain or Italy is also ...

SENIOR PYTHON DEVELOPER

Tus tareas<p style=margin:0px;padding:0px;border:0px;font-size:14px;background:rgb(255,255,255) none repeat scroll 0% 0%;font-weight:400;line-height:1.42857;color:rgba(0,0,0,0.9);font-family:'-apple-system', 'system-ui', BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', 'Fira Sans', Ubuntu, ...

Senior Medical Director

TFS HealthScience is a leading global mid-size Contract Research Organization (CRO) that partners with biotechnology and pharmaceutical companies throughout their entire clinical development journey. Our expertise includes full service-capabilities, resourcing and Functional Service (FSP) solutions.<st ...

Senior Document Controller

¿Quiénes somos?Somos una empresa joven, con un largo recorrido previo y en fase de crecimiento.En Quark, diseñamos infraestructuras para conectar digitalmente al mundo de una manera segura, eficiente y sostenible; desarrollando ...

🚀 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 Fullstack Engineer Java Javascript Jobs in Spain Job Search Guide, Trends and Insights