628,290+ Senior Java React Full Stack Engineer Spring Boot React Jobs in Spain — Top Companies Hiring July 2026

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Remote Full Stack Engineer — AI Startup

An innovative AI startup in Barcelona is seeking a Full Stack Engineer to contribute to the development of AI-powered products. The ideal candidate will have a strong background in back-end technologies like Node.js and Python, along with a solid foundation in front-end development. This role offers a dynamic wo ...

AI Engineer — Full Stack & Generative UI

commercetools is looking for a full-stack developer with expertise in LLMs for their Valencia office. You will own AI capabilities end-to-end, building agent loops and overseeing production software. The ideal candidate has at least 5 years in software development and experience with UI protocols. The ...

Full Stack Engineer (Data & Product Engineering)

The Media Data Platform team owns the collection, distribution of media data, and operates services that provide near real-time operational views of consumer touchpoints. We maximise capture, storage, analysis of our billions of impressions and tags, and apply analytics, algorithms, and visualisation to dr ...

Lead Full Stack Engineer & Tech Architect

BETWEEN Group, ubicado en Palma, busca un/a Lead Full Stack Engineer para liderar equipos en el desarrollo de aplicaciones web complejas. La persona elegida combinará responsabilidades técnicas con la implementación de soluciones innovadoras y escalables. Se requieren habilidades en liderazgo técnico y ...

Full Stack AI Engineer — Remote Options

Upbe in Madrid is seeking a Full Stack Developer for the Software Development of innovative products based on AI and Big Data. You will collaborate with engineers to build a user-friendly and scalable platform while ensuring smooth deployment of features. This permanent position offers an excellent opp ...

Full Stack Engineer: Scalable Learning Platform

italki is seeking a Full Stack Developer to enhance user-facing products and backend services in an online learning environment. The role includes building backend services, collaborating with various teams to deliver features, and ensuring code quality. Ideal candidates will have 3+ years of software ...

Global Full Stack Engineer — Hybrid (Madrid)

TAPTAP Peru is looking for a Full Stack Software Engineer based in Madrid. This role involves designing, developing, and maintaining both frontend and backend components for products used globally. The ideal candidate will work closely with various teams to deliver scalable solutions. Qualified candida ...

AI Software Engineer (Full Stack) ID51390

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. ...

Remote Full Stack AI DevTools Engineer

Alan is seeking a talented full-stack software engineer to help build AI-native tools and enhance the developer experience. You will work closely with cross-functional teams to create a stimulating environment, shaping the infrastructure that enables both engineers and non-engineers to contribute to projects. ...

Remote Full Stack AI DevTools Engineer

Alan is looking for a passionate full-stack software engineer to enhance their AI-native engineering initiatives in Bilbao, Spain. You will build tools and infrastructure that empower both engineers and non-engineers to contribute confidently and sustainably. The role values collaboration and creativity, seek ...

Remote Full Stack AI DevTools Engineer

Alan, a prevention-focused insurance company in Spain, seeks a full-stack Software Engineer to enhance their AI-native engineering capabilities. The ideal candidate will have over 3 years of experience in software engineering, building internal platforms, and be fluent in English. You will work collaborativel ...

Remote Full Stack AI DevTools Engineer

Alan, a prevention-focused insurance company, is seeking a Full-stack Software Engineer to enhance their AI-native engineering capabilities. The role involves building tools and infrastructure that empower both engineers and non-engineers to contribute effectively. The ideal candidate has over 3 years of expe ...

Full Stack Engineer EU (Barcelona Relocation)

Papaya is building the intelligence layer for vehicle fleets. Fleets spend billions every year, but most of that spend is poorly understood. Data is fragmented across leasing providers, fuel, maintenance, telematics, and charging. There’s no single source of truth. Costs don’t reconcile. Decisions ...

Remote Full Stack Engineer: Billing & Payments

Alan, located in Barcelona, is looking for talented software engineers to join our team and help build our core billing engine. This role involves designing scalable systems, integrating payment gateways, and ensuring operational excellence in processing transactions. We value engineering craftsmanship ...

AI Full Stack Engineer — Hybrid/Remote

Fistrek busca un/a Desarrollador/a Full Stack Senior en Barcelona para diseñar e implementar soluciones de inteligencia artificial en el desarrollo de software. El/la candidato/a debe tener experiencia trabajando con AI Coding Agents como Claude Code y habilidades en ingeniería de software moderno. El ...

Full Stack Engineer (Data & Product Engineering)

Job Description Are You Ready to Make It Happen at Mondelēz International? Join our Mission to Lead the Future of Snacking. Make It Uniquely Yours. Media Data Platform team owns the collection, distribution of media data and operates services that provide near real ...

Full Stack Data Engineer Cloud & Dashboards

Mondelēz International seeks a Full Stack Engineer with data engineering focus to bridge complex data infrastructure and user‑facing solutions. You’ll lead data pipelines, dashboards, and AI‑driven tools across media platforms, ensuring scalable, reliable internal data products. You will apply Google C ...

Frontend/Full Stack Engineer: Microfrontends (Remoto)

Axpe Consulting busca un Desarrollador Frontend / Full Stack para unirse a su equipo remoto. El candidato debe tener más de 3 años de experiencia en desarrollo web, dominando tecnologías como Angular y JavaScript. Se valorarán habilidades de comunicación efectiva y trabajo en equipo. Esta posición ofre ...

Azure .NET & Angular Full Stack Engineer

SoftwareOne is seeking a .NET Full Stack Developer to design, develop, and maintain applications in an Azure Cloud environment. This role involves collaborating with cross-functional teams to implement efficient solutions and mentoring team members. The ideal candidate has over 3 years of experience as ...

Full Stack Engineer — Flexible Schedule & Impact

Tennders, based in Bellprat, Spain, is seeking a full stack developer to join their technology team. In this role, you will develop and test software solutions, recommend upgrades, and document your work. The company values flexibility, allowing you to tailor your working hours and enjoy a healthy work-life b ...

Full Stack Engineer (A&P Analytics)

Desarrollador/a Python + ReactCapgemini Engineering, líder mundial en servicios de ingeniería, reúne a equipos de ingenieros/as, científicos/as y arquitectos/as para ayudar a las empresas más innovadoras del mundo a liberar su potencial y contribuir a un futuro mejor. Desde coches autónomos hasta robots que salv ...

Full Stack Martech Engineer | Remote & Global

Publicis Groupe is seeking a skilled Full Stack Developer to join the MarTech team. The role focuses on building internal products, integrating Martech platforms, and automating processes across national and international projects. You will work on frontend and backend development, collaborating with c ...

Impactful Full Stack Engineer — Flexible Hours

Tennders Europe S.L. is seeking an enthusiastic and driven full stack developer to join our technology team. You will develop and test software to business needs, and contribute to upgrades for existing applications. Fluent in English and Spanish, you will work with HTML5, CSS3, RESTful APIs, PHPUnit, ...

Full Stack Engineer (A&P Analytics)

Acerca del rol ¿Te apetece sumarte al equipo y participar en un proyecto del sector sanitario y del cuidado de la salud? Qué harás en el proyecto Formarás parte de un nuevo equipo que se encarga de desarrollar los sistemas de ciencia de datos y da apoyo a la toma de decisiones q ...

Full Stack AI Engineer Multimodal Agents

Hihired Recruitment SL busca un/a Ingeniero/a Full Stack IA para unirse a una startup tecnológica en Barcelona, donde cada decisión técnica influye en el futuro de la empresa. El candidato ideal tendrá al menos 4-5 años de experiencia en ingeniería de software y un sólido dominio de Python, así como experienc ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Engineer €100.000 A Year

B. Braun Group is seeking a full stack developer in Barcelona, Spain to design, develop, and maintain scalable web applications. The ideal candidate is proficient in C# and .NET Core and has strong experience with modern JavaScript frameworks.Responsibilities include API integration, data management, and collabo ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer Digital Commerce

Experteer Overview ¿Tiene su CV preparado? Si es así y confía en que este es el puesto ideal para usted, asegúrese de enviar su solicitud lo antes posible.In this role you will drive the Nova Digital Shelf initiative, delivering end-to-end capabilities from backend services to user experiences. You will ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Principal Full Stack ML Engineer – Evinova

Are you ready to revolutionize the world of clinical trials? At Evinova, we're on a mission to transform drug development by leveraging cutting‑edge AI and Machine Learning. With the goal of increasing clinical trial success rates by 20%, accelerating timelines by 36 months, and slashing study costs by 50% ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full Stack Software Engineer (Typescript/ Node.js)

Our Technology Stack Our cloud-native, multi-tenant SaaS platform runs on AWS. We use Kotlin, Java, SpringBoot, Docker, Kubernetes, Apache Kafka, MongoDB, and PostgreSQL on the backend, and ReactJS and TypeScript on the frontend. Our continuous delivery pipeline leverages GitLab. We are using Prometheus, Elastic ...

Full stack Product Engineer (45K€ 55K€)

We're looking for a proactive and driven Product Engineer for one of our clients to build and deliver impactful features that make a real difference for restaurant operations. Design, build, and maintain a full-stack platform and AI Agents Focus on delivering outcomes and ov ...

Full Stack Engineer — Flexible Schedule & Impact

Tennders, based in Bellprat, Spain, is seeking a full stack developer to join their technology team.Por favor, asegúrese de leer completamente el resumen y los requisitos de esta oportunidad de empleo que se detallan a continuación.In this role, you will develop and test software solutions, recommend ...

Full Stack Engineer Scalable Apps (Hybrid)

Una empresa tecnológica busca un Desarrollador Full Stack con experiencia para unirse a su equipo en Madrid o Barcelona. El candidato participará en el desarrollo de aplicaciones desde el frontend hasta el backend, trabajando en colaboración con equipos multifuncionales para crear soluciones eficientes y escalab ...

AI Health Engineer — Full‑Stack, Remote

Alan is seeking a Full-Stack Generalist to innovate in health prevention. Collaborate in AI-driven projects to create personalized health insights and enhance user engagement through a mobile-first approach. This role requires a blend of engineering expertise and a strong product mindset to shape a healthier ...

Full Stack Engineer (Data & Product Engineering)

Description Are You Ready to Make It Happen at Mondelēz International?Join our Mission to Lead the Future of Snacking. Make It Uniquely Yours.Media Data Platform team owns the collection, distribution of media data and operates services that provide near real-time ...

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