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109,386+ Fullstack Developer Reactnodejs Remote Jobs in Spain — Top Companies Hiring October 2026

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Partnerships Manager Growth (Remote Remote

Role : Partnerships Manager - Growth (Remote Location : Remote (Work from Anywhere) Role Overview: We are hiring for one of our clients to identify and secure high-impact partnerships that drive customer acquisition and revenue growth. The role re ...

Talent Operations Manager (Remote) Remote

Role : Talent Operations Manager (Remote)Location : Remote (Work from Anywhere) Role Overview:We are hiring for one of our clients, seeking a Talent Operations Manager to work on a full-time basis. This role focuses on optimizing talent acquisition processes and enhancing operational effici ...

Partnerships Manager Growth (Remote Remote

Manage and develop high-impact partnerships to drive customer acquisition and revenue growth for a global technology platform. Responsibilities include strategy execution, partner negotiation, and performance tracking. ...

Partnerships Manager Growth (Remote Remote

Manage and develop high-impact partnerships to drive customer acquisition and revenue growth for a global technology platform. Responsibilities include strategy execution, partner negotiation, and performance tracking. ...

Partnerships Manager Growth (Remote Remote

Marfeel, a publishing intelligence platform, is looking for a Partnerships Manager to scale a partnerships function and own a portfolio of partners from prospecting through activation and ongoing performance management. This is a hands-on, quota-carrying role with revenue responsibility for partner results. < ...

Talent Operations Manager (Remote) Remote

Manages talent acquisition operations and optimizes recruitment processes for scalable hiring, focusing on efficiency and candidate experience. ...

Frontend Engineer (React/Remote) Remote

Quintall is seeking a Front-End Developer to shape the next generation of our web platform, delivering a robust, scalable UI across 55 countries. You will work with Modern.Js, Module Federation, and a modern stack to maintain and evolve our enterprise-grade front end. You will handle legacy React/Webpa ...

Partnerships Manager Growth (Remote Remote

Manage and develop high-impact partnerships to drive customer acquisition and revenue growth for a global technology platform. Responsibilities include strategy execution, partner negotiation, and performance tracking. ...

Fullstack Software Engineer (x/f/m) Core Billing Platform

Health can’t wait . Not for symptoms to get worse. Not for a six‑month appointment. Not for a system to catch up. But that’s exactly how healthcare works today. You wait, until you can’t. Alan exists to end the wait. Health is a universal right, and we believe this right ca ...

Fullstack Software Engineer (x/f/m) Global Billing Platform

Health can’t wait. Not for symptoms to get worse. Not for a six‑month appointment. Not for a system to catch up. But that’s exactly how healthcare works today. You wait, until you can’t. Alan exists to end the wait. Health is a universal right, and we believe this right can only b ...

Senior Back End Developer: AI, Node.js & TS

A multinational technology firm based in Barcelona is seeking a Senior Back-End Developer to design and build robust backend systems. You will utilize Node.js and TypeScript while integrating AI-driven solutions in production environments. The ideal candidate has 5–7 years of experience, excellent communication ...

Senior Salesforce Service Cloud Dev — Remote/Madrid

Tata Consultancy Services is looking for a Salesforce Service Cloud Senior Developer in Madrid or Lisbon. This role involves developing Service Cloud features, building integrations, managing incidents, and ensuring platform security. Applicants should have 5-7 years of experience with Salesforce technologies in ...

Senior BI Architect (Remote EU) – Power BI & AWS QuickSight

An international client is seeking a Senior BI Developer/Architect to join their remote team. This role involves designing and maintaining business intelligence solutions using AWS QuickSight and Power BI. Candidates should have extensive experience in BI development, strong SQL and data modeling skills, and a s ...

Remote Backend SaaS Engineer for Open Source Landscape

A leading open-source software provider is seeking a Software Developer (Backend SaaS) in Barcelona. This remote role involves writing high-quality Python code, modernizing existing systems, and collaborating with a distributed team. Ideal candidates will have a degree in Computer Science and experience with web ...

Remote Python Backend Engineer Flask & Scalable Systems

A leading technology recruitment firm is looking for a Python Developer in Barcelona to build scalable backend systems utilizing Python and Flask. The ideal candidate has over 3 years of experience in Python programming and hands-on experience with Flask. They offer a flexible, remote-friendly work culture, care ...

Senior Product Engineer — AI Driven, Multiplatform Systems

Leadtech Group is hiring a Full Stack Developer in the UK to build and manage core multiplatform systems. You'll work with React and Node.js, design AI workflows, and collaborate closely with teams across technology and product development. With over 18 years of experience in digital products, you'll join a remo ...

Senior Full Stack Java/Angular – Remote Spain | AI SDLC

Talan Group in Spain is seeking a Senior Full Stack Developer to join a collaborative Agile team. You will design and deliver enterprise applications, using Java, Spring Boot, Angular, and REST APIs, with a focus on scalability, security, and AI-enhanced development across the SDLC. This role offers a ...

Remote First AI Native Full Stack Engineer

Leadtech Group is seeking a talented Full-Stack Developer to help build and scale AI-driven platforms. You will work across our technology stack to deliver seamless user experiences, joining projects with a shipping-fast approach and modern tools. The role involves developing frontend and backend featu ...

Remote Backend SaaS Engineer – Python & Linux Scale

A leading open source software company is seeking an Entry-level Software Developer (Backend SaaS) for a remote position in Málaga, Spain. The role involves working with a distributed team to develop and maintain the Landscape management tool for Ubuntu systems. Ideal candidates should have strong Python skills, ...

C# Developer for AI Driven App Security

AgileEngine seeks a mid-level C# Developer to contribute to an application-protection product built on C# and IL. You will work with two senior engineers on implementation, focusing on obfuscation and runtime protection while supervising AI-assisted development and verifying results. The role offers fl ...

Python App Owner — Django | Banking Risk | Hybrid Madrid

UST in Madrid is seeking an Application Owner / Python Developer to design, develop, and support business-critical applications for a banking client. The role centers on Python/Django, API and data flows, and end-to-end ownership of the application lifecycle. You will collaborate with business stakehol ...

Java Backend Engineer — Remote & Flexible Hours

Marfeel is seeking a Java Developer to join a small, high-ownership engineering team. You will own backend architecture decisions, develop new services, and navigate existing codebases while leveraging AI coding tools as a core part of your workflow. Work involves high concurrency, end-to-end ownership ...

Java Developer — Hybrid Madrid (REST, Kafka, Eclipse)

UST España & Latam is seeking a Java Developer to design, develop and maintain enterprise Java applications in a hybrid Madrid setting. You will integrate RESTful services, work with Eclipse IDE, and collaborate across teams to deliver scalable solutions. The role requires strong Java expertise, experi ...

Senior Full Stack Engineer Remote & Impact

Kodify in Barcelona is seeking a Senior Full-Stack Developer to help evolve a platform supporting nearly 100 million unique visitors monthly. You will have full responsibility for technical design, development, and testing in a fully remote position, fostering collaboration within a globally diverse team. </p ...

Backend Developer: Mobility SaaS Microservices

Siemens Mobility in Valencia, Spain, is seeking a Backend Developer (m/f/d) for a DevOps team focused on Java microservices within the S3 Passenger suite. The role emphasizes performance, security, and scalable architectures in a hybrid remote/on-site setup. You will work with Java, Kotlin, Go, and inf ...

Senior .NET/Angular SaaS Engineer — Remote Spain

atwork.ai is seeking a Senior Developer to own end‑to‑end web applications on a multi‑tenant B2B SaaS platform. You will code across the stack, review peers, and shape architectural decisions while ensuring quality through automated tests and solid documentation. You will contribute to Azure-based infr ...

Remote Freelance SAP AI Architect & Generative AI Expert

Timestamp is seeking an experienced SAP AI Developer / SAP Business AI Consultant to design, develop, and implement AI-powered solutions within the SAP ecosystem. The role focuses on SAP BTP, SAP AI Foundation, SAP AI Core, Joule, and Generative AI, aligning with enterprise processes and governance. Re ...

Android Developer — Hybrid, Málaga Tech Hub

Betsson Group in Málaga invites you to join a brand-new Tech Hub by the Mediterranean Sea, shaping the future of iGaming technology. As an Android Developer, you’ll work in a self-led Agile team, delivering native apps with Kotlin and consuming RESTful APIs. You’ll own features end-to-end, collaborate ...

Full Stack Engineer: Springboot, React/Angular & Spark

Talan Spain is seeking a seasoned developer to join its international tech teams in Málaga. The role blends back-end and front-end responsibilities across Spring Boot, Angular/React, and data tech stacks. You’ll work in an Agile environment, tackle code quality with Sonar/Fortify, and have access to tr ...

Remote IAM Software Engineer (Rust/Okta)

Prima is seeking a Software Engineer focused on IAM to design, build and operate scalable identity solutions. You will work on IAM SaaS like Okta, develop Rust services, and create automated workflows to support Prima’s processes. You will collaborate with Security and People teams to evolve the identi ...

Java UI Engineer, Mass Spec Instrument Control (Remote)

Mestrelab Research S.L. in Santiago de Compostela is seeking a skilled Java UI Developer to contribute to mass spectrometry instrument control software. You will design, develop, and maintain Java-based client applications, write clean code, participate in code reviews, and collaborate with cross-funct ...

Senior Backend Developer: .NET Microservices, Cloud & Azure

Raona busca un Backend Developer Senior para unirse al equipo. Desarrollarás y mantendrás soluciones backend con .NET/.NET Core en C#, con enfoque en microservicios y sistemas distribuidos. Se valorará experiencia con Docker y Azure DevOps, así como capacidad de migrar a arquitecturas distribuidas. Ofr ...

German Market Growth Strategist

CallForTalents is seeking a German Business Developer to drive opportunities in the German market from Barcelona. Hybrid work arrangement combines office collaboration with remote flexibility. You will build client relationships, develop sales strategies, and collaborate with Marketing and Sales to mee ...

Lead Embedded Java IoT Engineer (Hybrid)

Keonn, part of Novanta, is seeking an experienced Java developer to build and enhance embedded Java for RFID readers and IoT devices. You will lead Java development, implement new features, and collaborate with hardware engineers to ensure seamless integration in a fast-paced, international environment. < ...

Backend Engineer for Accessibility at Scale (Remote/Italy)

Accessiway is seeking a Backend Developer (Mid / Senior) to design and build scalable backend systems that power digital accessibility worldwide. You will work in a hybrid setup with remote work and on-site presence in Turin, Italy, contributing to Lambda, ECS, REST APIs, and data storage strategies while col ...

AI Powered Fullstack Engineer for MVP in Fashion Tech

Luxoft Spain seeks an experienced fullstack engineer to design, build, and evolve a greenfield digital solution for a leading fashion retail client. You will work with Java/Spring Boot and React to deliver MVP capabilities, shape architecture, and drive technical decisions in a fast-paced, product-driven envi ...

Senior Software Engineer Remote Remote

Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster. What streaming services have done for audio entertainment, we’re doing for audio informatio ...

Senior Software Engineer Remote Remote

We’re here to help make tech reliable, affordable, and better than new . We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new. Turns out refurbished tech is way better for ...

Senior Software Engineer Remote Remote

Senior Software Engineer -Observability, Managed Inputs Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. By taking advantage of all structured and unstructured data — securing a ...

Remote Systems Engineer Remote Contract

Performance Software and its sister company, Talent Tier, are midsize companies with a great work-life balance, providing innovative software and hardware to our client companies. We are a medium-size company having been in business for over 25 years with never having a layoff and very low turnover 2–4% per y ...

Remote Senior Systems Engineer (Remote)

This position is fully remote anywhere in the United States. Ready to get off the IT machine and come be part of a team where you are more than a cog in the wheel? My IT Crew is the ...

Remote Senior Systems Engineer (Remote)

This position is fully remote anywhere in the United States. Ready to get off the IT machine and come be part of a team where you are more than a cog in the wheel? My IT Crew is the ...

Remote Systems Engineer Remote Contract

Performance Software and its sister company, Talent Tier, are midsize companies with a great work-life balance, providing innovative software and hardware to our client companies. We are a medium-size company having been in business for over 25 years with never having a layoff and very low turnover 2–4% per y ...

Senior React Native & Mobile Tech Lead Remote

A leading tech recruitment agency in Spain is seeking an experienced Mobile Software Developer with over 8 years in software development and 2 years as a Tech Lead. Responsibilities include architecting large applications using React Native, supporting development teams, and maintaining mobile libraries. The pos ...

Senior Ruby on Rails Engineer — Remote Europe, High Impact

Sorcer is seeking a Senior Rails Developer to join their team in Spain. In this role, you will develop and maintain backend systems for a high-scale platform. Candidates should have over 10 years of Ruby on Rails experience and a strong ability to align tech with business goals. The position offers a competitive ...

Blockchain Backend & Product Engineer Remote

ioBuilders, a blockchain product company, is seeking a Backend Developer with 4+ years of experience in Java/Groovy and JVM-based stacks. You will design robust services, collaborate with cross-functional teams, and help shape scalable architectures for blockchain-based solutions. Remote work is availa ...

Senior Backend Engineer — AI Integrations (Go)

Elastic, the Search AI Company, seeks a Senior Software Engineer for the Integrations Team to enable Elastic inside the AI ecosystem. You will build and maintain the MCP server, agent skills platform, and third-party integrations, working with Go and other languages while collaborating with product teams and ...

Remote .NET Engineer — Freelance (C#, EF, API)

K2 Partnering Solutions is seeking an experienced .NET Developer to join a software engineering team building modern, scalable applications. The role is a remote, freelance position based in Spain, with a 12-month duration. You will work on C#/.NET projects, leverage Entity Framework, and integrate API ...

Desarrollador Fullstack Junior: Java/Js, Data Lake & Ci/Cd

ALTEN busca un Developer con experiencia en POO y acceso al Data Lake para un proyecto en Zaragoza. La persona ideal dominará Java y JavaScript, y trabajará en soluciones que faciliten el manejo de datos y la integración continua. Se valoran conocimientos en Oracle PL/SQL, PostgreSQL y herramientas de CI/CD c ...

Fullstack Software Engineer .Net Angular 100% (F/M/D)

At Julius Baer, we celebrate and value the individual qualities you bring, enabling you to be impactful, to be entrepreneurial, to be empowered, and to create value beyond wealth. Let’s shape the future of wealth management together. YOUR CHALLENGE Responsible for designing, developing and testing ...

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