Senior Fullstack Engineer Reactts Pythonnode Remote 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

Senior AI Agent Engineer — Remote, LLMs & Multi Tool Apps

Una empresa de consultoría informática busca un Senior AI Agent Engineer para diseñar y desarrollar agentes inteligentes basados en LLMs. La posición es 100% remota y requiere más de 4 años de experiencia en desarrollo backend, así como conocimientos avanzados en Python y arquitectura de microservicios. Se ofrec ...

Senior Qa Automation Engineer Saasspain Based Remote, Flexible Hours)

Senior QA Automation Engineer - SaaSSpain based - Remote, flexible hours) Zepo Intelligence•Cequelinos, Arbo, Arbo, Pontevedra; Paradanta (comarca); Provincia de Pontevedra; Galicia, ES Descripción del trabajo Remote Spain based | Flexible hours | Full-time | ️English Speaker </ ...

Senior Backend Engineer AI/N8N (Node.js, Nest, TS) Remote

Una empresa tecnológica busca un/a Desarrollador/a Backend con experiencia en AI. Te integrarás en un equipo ágil, trabajando en el desarrollo de aplicaciones para servicios de IA. Se requiere entre 5 a 7 años de experiencia en desarrollo BackEnd con Node-js, Nest-js, y Typescript, así como en arquitecturas de m ...

Senior QA Engineer (Node.js) (Spain, Remote, m/d/f)

3 days ago Be among the first 25 applicants YOUR MISSIONWe are looking for an experienced Senior QA Engineer to elevate the quality, reliability and maintainability of our SaaS ecosystem of NodeJS Microservices and React Web Applications. You'll work on test strategies, guidelines and implementatio ...

Senior QA Engineer – End to End & API Testing (Remote)

Una empresa de consultoría en tecnología busca un profesional en testing de software para desarrollar y ejecutar casos de prueba en entornos Agile. Se requieren más de 5 años de experiencia en calidad de software y pruebas de API, además de dominio del inglés, español y francés. Ofrecemos un crecimiento profesio ...

Senior Software Engineer in Test, Data / ETL (Remote EMEA)

Senior Software Engineer in Test, Data / ETL (Remote - EMEA) We are looking for a Senior Software Engineer in Test specializing in Data and ETL, based in EMEA. As a central role, you will ensure data quality, performance, and reliability across large‑scale, cloud‑native systems. You will design and im ...

Senior Backend Engineer (remote, UTC 3 to UTC+3)

(Fully remote, async-first, DevTool SaaS, 32-40h/week, time zones: UTC-3 to UTC+3)Location: This is a FULLY remote role, but you must be within UTC-3 to UTC+3 to work with your team, peers, and internal customers. You do not have to be in the specific country or city shown in this listing, ...

Senior Full Stack Engineer Remote (EU) for SDK & Studio

A leading technology firm in Spain seeks a Full-Stack Engineer to shape key tools in contextual advertising. The role involves developing both client-side features and scalable backend APIs, demanding proficiency in modern front-end languages and software engineering principles. Candidates should have 5+ years o ...

Senior QA Engineer (Node.js) (Europe, Remote, m/d/f)

Overview We are looking for an experienced Senior QA Engineer to elevate the quality, reliability and maintainability of our SaaS ecosystem of NodeJS Microservices and React Web Applications. You'll work on test strategies, guidelines and implementations, and the monitoring thereof. For this you'll ...

Senior Python Backend Engineer, Remote (EU) – EU international client

Senior Python Backend Engineer, Remote (EU) – EU international client Job role: Senior Python Backend Engineer. Minimum experience: Minimum 5-7 years of experience. Studies required: Bachelor’s degree. Language: English (C1) (Mandatory ...

Senior Data Engineer Remote/Spain | Data Lakehouse & ETL Lead

Una empresa de tecnología busca un Senior Data Engineer para liderar la definición y diseño de procesos ETL/ELT. Se ofrece un contrato indefinido con modalidad de teletrabajo. El candidato debe tener experiencia en entornos de datos como Data Lake y ser capaz de optimizar el rendimiento de los procesos de datos. ...

Senior Analytics Engineer — Build Self Serve Data (Remote 40%)

A financial services company in Madrid is seeking an experienced Analytics Engineer to enhance data analytics capabilities. The role involves mastering datasets, supporting users in building dashboards, and optimizing performance on Azure, Databricks, and Power BI. Ideal candidates have a strong background in da ...

Senior Backend Engineer AI/N8N (Node.js, Nest, TS) Remote

Una empresa tecnológica en crecimiento busca un Desarrollador/a Backend con experiencia en AI para unirse a su equipo en Valencia. El rol implica el desarrollo de aplicaciones para la IA, con un enfoque en calidad y colaborando en proyectos de microservicios. Se ofrece un contrato indefinido, horario flexible, t ...

Senior Full Stack Java Engineer | Hybrid (Remote 2 days)

An exciting opportunity awaits as a Full Stack Software Developer in a leading multinational firm. This role offers the chance to work on innovative products and platforms, contributing to technical operations that enhance monitoring, prediction, and optimization. With a focus on agile development, you'll collab ...

Senior Backend Engineer (remote, UTC 3 to UTC+3)

(Fully remote, async-first, DevTool SaaS, 32-40h/week, time zones: UTC-3 to UTC+3) Location: This is a FULLY remote role, but you must be within UTC-3 to UTC+3 to work with your team, peers, and internal customers. You do not have to be in the specific country or city shown in this listing, but please ...

Senior Backend Engineer (remote, UTC 3 to UTC+3)

(Fully remote, async-first, DevTool SaaS, 32-40h/week, time zones: UTC-3 to UTC+3) Location: This is a FULLY remote role, but you must be within UTC-3 to UTC+3 to work with your team, peers, and internal customers. You do not have to be in the specific country or city shown in this listing, but please ...

Senior Ai Engineer (Saas | Remote |Spain Based) Zepo Intelligence

Are you driven by building robust AI architectures and scalable algorithms that protect users from real-time cybersecurity threats ? Do you want to work at the intersection of AI, cybersecurity, and SaaS , within the startup ecosystem of Google, AWS, Nvidia, and CrowdStrik ...

Senior Full‑Stack Engineer: AI‑Driven Platform (Hybrid/Remote)

A B2B startup in Barcelona is seeking a Software Developer to enhance their smart shopping assistant platform. The ideal candidate will have around 3 years of experience, particularly in React and TypeScript, along with experience in Python API development. This role involves working closely with senior leaders ...

Senior GCP Data Engineer and Tech Lead – Remote Spain

Una empresa de tecnología busca un perfil especializado en arquitectura de datos sobre Google Cloud Platform en Vitoria, España. El candidato ideal tendrá más de cinco años de experiencia con Python avanzado y deberá liderar técnicamente el desarrollo de soluciones de datos en entornos regulados. Ofrecemos la po ...

Senior QA Automation Engineer Web & API, Remote in Spain

Una empresa de tecnología en España busca un/a QA Automation Engineer con más de 4 años de experiencia en automatización de pruebas para aplicaciones web. El candidato será responsable de la calidad del software mediante técnicas de testing manual y automatizado. Se requiere experiencia con Selenium, WebDriver.I ...

Senior Ai Engineer (Saas | Remote |Spain Based) Zepo Intelligence

Overview Are you driven by building robust AI architectures and scalable algorithms that protect users from real-time cybersecurity threats ? Do you want to work at the intersection of AI, cybersecurity , and SaaS within the startup ecosystem of Google, AWS, Nvidia, and ...

Senior Platform Security Engineer (100% remote friendly within Spain)

Job DescriptionThe Internal Platform is a pivotal foundation that accelerates product development by providing a reliable, scalable, and self-service ecosystem. It supports the entire software lifecycle and is meticulously tailored to meet the organizations technological needs and ...

Senior Platform Security Engineer (100% remote friendly within Spain)

Welcome to the good side of tech 👋You might have heard about us, but with a different name: Znanylekarz. It all started 10 years ago when we asked ourselves: is anyone in healthcare thinking about patients? We jumped in and we empowered patients by giving them access to l ...

Developer Fullstack (Java Y Angular) €40.000 €50.000 A Year Remote

Buscamos un Desarrollador Fullstack con más de 5 años de experiencia en .NET y React, para un proyecto innovador en la nube con bases de datos no relacionales. Ofrecemos proyecto estable, remoto y crecimiento profesional. ...

Senior React Developer (Remote)

Join Plexus Tech. We are currently looking for a React Developer profile to join a major long-term project with strong growth opportunities. REQUIREMENTS: At least 5 years of experience in TypeScript (generics, etc.). At least 5 years of experience in React (familiar ...

Senior Product Designer (Remote)

We are an early-stage startup that is hiring an experienced Senior Product Designer to support our growing Product team. We are looking to bring on an individual who wants to positively impact the customer experience through the design of our products. From designing brand new product experiences to collab ...

Senior Python Developer (Remote)

Estamos ayudando a una reconocida multinacional del sector retail y FMCG a seguir escalando su dream team con la incorporación de una persona que asuma el reto de Senior Python Developer . Si estás buscando un proyecto que no para de crecer, ¡es aquí! ¿CUÁL ES SU PROPÓSITO? L ...

Senior iOs Developer (Remote)

About Finom Finom is a European tech startup headquartered in Amsterdam, on a journey to revolutionize the financial landscape for entrepreneurs worldwide. Our mission is to develop an all‑in‑one financial B2B solution that integrates banking functions, accounting, financial management, and invoi ...

Senior Search Developer (Remote)

Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the fastest-growing SaaS companies in history, we surpassed $2B in revenue in our last fiscal year with extensive growth potential ahead. At th ...

Senior Developer C++ Remote

Our goal is to strengthen the brand in Spain. We are looking for an expert to work a Senior Developer C++! What do you need to fulfill this job? Own design-to-delivery of features and modules with minimal oversight Collaborate with UK leads t ...

Senior Account Executive (Remote)

About Revolut More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. Our Sales team powers customer growth around the world. We’r ...

Web Developer Remote working

Senior Full-Stack WEB Developer – Permanent – Remote – Spain/Portugal - Portuguese language mandatory LTM is a global technology consulting and digital solutions company partner to more than 700+ clients and powered by nearly 90,000 talented professionals across more than 30 countries in ...

Web & Applications Developer Remote

Senior Full-Stack WEB Developer – Permanent – Remote – Spain/Portugal - Portuguese language mandatory LTM is a global technology consulting and digital solutions company partner to more than 700+ clients and powered by nearly 90,000 talented professionals across more than 30 countries in ...

Web Developer Remote

Senior Full-Stack WEB Developer – Permanent – Remote – Spain/Portugal - Portuguese language mandatory LTM is a global technology consulting and digital solutions company partner to more than 700+ clients and powered by nearly 90,000 talented professionals across more than 30 countries in ...

Web Developer Remote working

Senior Full-Stack WEB Developer – Permanent – Remote – Spain/Portugal - Portuguese language mandatory LTM is a global technology consulting and digital solutions company partner to more than 700+ clients and powered by nearly 90,000 talented professionals across more than 30 countries in ...

Web & Applications Developer Remote

Senior Full-Stack WEB Developer – Permanent – Remote – Spain/Portugal - Portuguese language mandatory LTM is a global technology consulting and digital solutions company partner to more than 700+ clients and powered by nearly 90,000 talented professionals across more than 30 countries in ...

Web Developer Remote

Senior Full-Stack WEB Developer – Permanent – Remote – Spain/Portugal - Portuguese language mandatory LTM is a global technology consulting and digital solutions company partner to more than 700+ clients and powered by nearly 90,000 talented professionals across more than 30 countries in ...

Web Developer Remote working

Senior Full-Stack WEB Developer – Permanent – Remote – Spain/Portugal - Portuguese language mandatory LTM is a global technology consulting and digital solutions company partner to more than 700+ clients and powered by nearly 90,000 talented professionals across more than 30 countries in ...

Web & Applications Developer Remote

Senior Full-Stack WEB Developer – Permanent – Remote – Spain/Portugal - Portuguese language mandatory LTM is a global technology consulting and digital solutions company partner to more than 700+ clients and powered by nearly 90,000 talented professionals across more than 30 countries in ...

Web Developer Remote

Senior Full-Stack WEB Developer – Permanent – Remote – Spain/Portugal - Portuguese language mandatory LTM is a global technology consulting and digital solutions company partner to more than 700+ clients and powered by nearly 90,000 talented professionals across more than 30 countries in ...

Remote Senior Medical Writer

Position: Medical Writer Fully Remote - Greece or Portugal or Spain Clinical Research Organisation Type: 9 months contract - starting in June 2026Lead the medical writing process by proactively collaborating with cross-functional stakeholders to develop high-quality content Drive di ...

Senior Medical Writer Remote

Position: Medical Writer Fully Remote - Greece or Portugal or Spain Clinical Research Organisation Type: 9 months contract - starting in June 2026Lead the medical writing process by proactively collaborating with cross-functional stakeholders to develop high-quality content Drive di ...

Senior Web Developer Remote

Seeking a Senior Full-Stack Web Developer for a permanent, remote role, focusing on .NET stack web applications and APIs, Azure DevOps, and modern front-end frameworks like Angular or React. Requires professional Portuguese and English. ...

Cbam Senior Consultant Remote

Als Ivalua Consultant arbeitest du in Implementierungsprojekten, übernimmst Verantwortung und entwickelst dich weiter. Du analysierst und optimierst S2P-Prozesse und konzipierst Lösungen auf der Ivalua SaaS-Plattform. ...

Senior Azure Devops (Remote)

¿Estás buscando una cambio laboral? ¿Tienes un background técnico sólido y quieres darle el impulso definitivo a tu carrera? En VIEWNEXT (Grupo IBM) estamos creciendo y buscamos nuevos profesionales con inquietud y experiencia como Senior DevOps con al menos 3 años de experiencia en el puesto. Recu ...

(Remote) Senior Project Manager

Take your career to the next level with Amaris Consulting as a Senior HRIS Project Manager. Be part of an international team, thrive in a global group with a €800M turnover and over 1,000 clients worldwide, and an agile environment. ✍️ WHAT WOULD YOU NEED? ✍️ <ul ...

Senior Product Designer (Remote)

A leading sales engagement platform is looking for a Senior Product Designer to contribute significantly to the product lifecycle from discovery to launch. You'll interface with senior product teams to create impactful user experiences, drive innovation, and shape the future of Sales tech. The ideal candidate ...

Senior Developer C++ Remote

Seeking a Senior C++ Developer to design, build, and troubleshoot features with minimal oversight, collaborating with UK leads and guiding specialists. Requires experience in C/C++, Python, Jenkins, GitHub, and Agile. ...

Senior Developer C++ Remote

Our goal is to strengthen the brand in Spain. We are looking for an expert to work a Senior Developer C++! Por favor, verifique que tiene el nivel de experiencia y las cualificaciones adecuadas leyendo la descripción completa de esta oportunidad a continuación. What do you need ...

Senior Developer C++ Remote

Seeking a Senior C++ Developer to design, develop, and troubleshoot features with minimal oversight, collaborate with UK leads, guide specialists, and contribute to CI/CD. Requires C/C++ and Python expertise, Jenkins, GitHub, and Agile experience. ...

🚀 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 Reactts Pythonnode Remote Jobs in Spain Job Search Guide, Trends and Insights