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    Senior Full Stack Developer (Node.js Focus) – Open Source AI Platform

    Yopeso has been developing a diverse range of software products, from large‑scale applications to smaller solutions, for 20 years. With a growing team of over 300 employees across five locations, we are dedicated to fostering a culture of growth, transparency, and professionalism. At Yopeso, we val ...

    Senior Full Stack Developer / AI Specialist (Full Time / On Call)

    Growmodo is a fast-scaling web design and development agency that helps businesses and agencies outsource high-quality design and development work through a global subscription-based service. Our clients leverage our vetted talent pool to accelerate their digital projects—from front-end web builds to futur ...

    Senior Spark/Scala Developer Hybrid, Flexible Pay, 23 Days Vacation

    Una empresa de tecnología en España busca un/a desarrollador/a SPARK/SCALA con más de 4 años de experiencia. Se requiere conocimiento en rendimiento y optimización del dato y se valora un alto nivel de inglés. El trabajo será híbrido, preferentemente en Madrid, Málaga, Jaén o Sevilla. Ofrecen contrato indefinido ...

    Backend Senior .Net Developer (80% Remoto) €40.000 €44.000 Al Año

    Se busca un Desarrollador Backend .NET para crear y mejorar aplicaciones, asegurando la calidad del código y la integración con servicios y bases de datos. ...

    Senior Backend Developer (Product Teams) Up To €75.000 A Year

    Develop product components, design architecture, and enhance customer engagement through innovative solutions. ...

    Fullstack Developer Senior (H/M/D) €45.000 €50.000 Al Año

    Desarrollador Fullstack Senior para empresa de telecomunicaciones en Madrid, con oportunidades de crecimiento y salario competitivo. ...

    Senior Rails Back End Developer $45 $50 An Hour Remote

    Develops and maintains back-end systems using Ruby on Rails for a SaaS platform, focusing on scalability and performance, and collaborating with cross-functional teams. ...

    Senior Rails Full Stack Developer $45 $50 An Hour Remote

    Develops and maintains Ruby on Rails applications, focusing on scalability and performance in a remote, collaborative environment. ...

    Senior Full Stack Developer (Node.js Focus) – Open Source AI Platform

    Overview Yopeso has been developing a diverse range of software products, from large-scale applications to smaller solutions, for 20 years. With a growing team of over 300 employees across five locations, we are dedicated to fostering a culture of growth, transparency, and professionalism. At Yop ...

    Senior JavaScript Developer – Dynamics 365 (Customizations & CIF, Remote, Spain)

    Senior JavaScript Developer – Dynamics 365 (Customizations & CIF)📍 100% Remote – Spain💰 Up to €52,000 gross/year🕘 Full-time🗣 English: B1+ minimum⚙️ Agile (Scrum/Kanban)About the Role (agresivo, clarísimo)We are hiring a hands ...

    Programador Full Stack Developer Back End Y Front End Ocupación

    Fullstack Developer apasionado/a por crear soluciones completas que combinan interfaces modernas y backends eficientes. Si disfrutas construyendo experiencias de usuario potentes con React, TypeScript, Tailwind, Next y a la vez desarrollando APIs robustas y escalables con Python, Node.js ...

    Cloud Engineer (Azure)

    We’re growing our Cloud Dream Team! As part of our international Cloud/DevOps squad, you’ll craft tailor‑made solutions that wow our clients. Responsibilities Participate in the design and implementation of cloud solutions on Microsoft Azure . Deploy, configure, ...

    Senior Business Developer: Lead I+D+i Funding in Madrid

    Leyton en Madrid busca un Senior Business Developer para unirse a su equipo en un entorno joven y dinámico. El candidato ideal tendrá entre 3 y 4 años de experiencia comercial, habilidades de negociación y un enfoque proactivo. Ofrecemos un contrato indefinido, jornada completa con flexibilidad, teletrabajo y be ...

    Madrid FinTech Data Scientist (Quant) – Python & SQL

    A leading FinTech scale-up in Madrid is seeking a Data Scientist/Quantitative Developer to work on complex systems. This role focuses on integrating mathematical models and creating scalable applications using Python and SQL. Candidates should have a strong educational background, advanced programming skills, an ...

    Remote Platform Tech Lead (Python) — Cloud & IDP Expert

    A multinational technology company is seeking a Tech Lead Platform Engineer specialized in Python and React to join their remote team in Spain. You will design and maintain the internal developer platform, leveraging cloud services primarily on AWS and Azure. Ideal candidates will possess significant experience ...

    Remote Data Engineer | Python & Power BI Expert

    A leading advisory firm in Madrid is seeking a Data Engineer/Developer to join their team. The ideal candidate should have strong experience in Python and Power BI, responsible for data processing, analysis, and visualization. Key responsibilities include developing end-to-end functionalities and interacting wit ...

    Full Stack Developer, Retail Solutions Madrid/Barcelona

    A global management consulting firm is seeking a Full Stack Developer to enhance retail solutions in Spain. The successful candidate will leverage their engineering experience to create high-quality software, focusing on Python and API services while collaborating with stakeholders. This position is based in Mad ...

    AI Backend Engineer — LLMs & Agents, FastAPI

    A leading global communications firm is seeking an AI Developer to design backend architecture for conversational agents. Responsibilities include integrating with foundational models, developing APIs, and managing cloud infrastructure. Ideal candidates should have strong Python skills, experience with FastAPI, ...

    Remote Data Engineer | Python & Power BI Expert

    A leading advisory firm in Madrid is seeking a Data Engineer/Developer to join their team. The ideal candidate should have strong experience in Python and Power BI, responsible for data processing, analysis, and visualization. Key responsibilities include developing end-to-end functionalities and interacting wit ...

    Data & AI Solutions Developer — Remote Ready & Growth

    A leading global communications company in Spain is looking for a Data & AI Solutions Developer to join their team. The role involves analyzing business needs, designing solutions, and automating data processes. Candidates should hold a university degree and have experience with programming languages like Python ...

    Data Engineer for Trading Tech (Python, AWS)

    A leading energy company in Madrid is seeking a proactive Data Engineer/Developer to enhance trading operations through innovative data solutions. The successful candidate will design and maintain high-performance tools in Python and develop cloud-native applications on AWS. This role requires strong expertise i ...

    Data Engineer for Trading Tech (Python, AWS)

    A leading energy management firm in Madrid is seeking a proactive Data Engineer/Developer to design, develop, and maintain data solutions. Candidates should excel in Python, have strong AWS skills, and be experienced in API integrations and data pipelines. The role involves working closely with traders to drive ...

    AI Backend Engineer — LLMs & Agents, FastAPI

    A leading global communications firm is seeking an AI Developer to design backend architecture for conversational agents. Responsibilities include integrating with foundational models, developing APIs, and managing cloud infrastructure. Ideal candidates should have strong Python skills, experience with FastAPI, ...

    Prácticas de Software: APIs y Sistemas en Tiempo Real

    Una empresa de tecnología en Madrid busca un/a practicante de software developer. Las responsabilidades incluyen el análisis y desarrollo de sistemas en tiempo real, así como el desarrollo de nuevas funcionalidades y mantenimiento de aplicaciones. Se valorará la experiencia con servicios SOAP, REST WebAPI y Visu ...

    Full Stack Developer, Retail Solutions Madrid/Barcelona

    A global management consulting firm is seeking a Full Stack Developer to enhance retail solutions in Spain. The successful candidate will leverage their engineering experience to create high-quality software, focusing on Python and API services while collaborating with stakeholders. This position is based in Mad ...

    Madrid FinTech Data Scientist (Quant) – Python & SQL

    A leading FinTech scale-up in Madrid is seeking a Data Scientist/Quantitative Developer to work on complex systems. This role focuses on integrating mathematical models and creating scalable applications using Python and SQL. Candidates should have a strong educational background, advanced programming skills, an ...

    AI Backend Engineer: LLMs & Agent Orchestration

    Publicisgroupe is seeking an AI Developer based in Madrid, Spain, to design and develop backend architectures for conversational agents and LLM-based systems. You will orchestrate intelligent agents, integrate advanced models, and enable real-time experiences. A strong background in Python and FastAPI is require ...

    Fullstack Engineer: Remote + Flexible Hours & AI Dashboards

    Datadope busca un/a Fullstack Developer en Madrid que combine interfaces modernas con backends eficientes. Se requiere experiencia en JavaScript, React, Python, y más. Ofrecemos un ambiente colaborativo, proyectos emocionantes y un salario competitivo. Se valoran habilidades en documentación, integración con ser ...

    Desarrollador Full Stack AI y Automatización (Remoto)

    Una empresa tecnológica busca un/a Full Stack Developer apasionado por la automatización y la IA. Se requiere experiencia en backend (Python) y conocimientos en frontend (React). El candidato trabajará en un entorno remoto, participando en proyectos innovadores de automatización y LLM. Se valorará experiencia en ...

    DevOps Engineer – CI/CD, AWS & Security (Madrid)

    A leading global technology firm is seeking a DevOps Engineer in Madrid to enhance CI/CD infrastructure and support development operations. The ideal candidate demonstrates strong skills in CI/CD workflows and AWS, with a background in Agile teams. This role involves working in a dynamic environment to build an ...

    Cloud DevOps & Security Engineer (AWS, ISO 27001)

    A leading technology firm in Madrid is looking for an experienced DevOps & Security Engineer to join the M-Star team. You'll maintain cloud-based infrastructure and enhance CI/CD pipelines while ensuring compliance with IT security standards such as ISO 27001. Ideal candidates will have AWS infrastructure expert ...

    Junior AI/ML Scientist for Scalable DL & Data Analytics

    EY is seeking a talented candidate for their AI wavespace in Madrid to develop and implement innovative AI solutions. The successful candidate will leverage machine learning techniques and collaborate closely with engineering and DevOps teams. Key responsibilities include designing scalable systems, developing d ...

    EU Systems Dev Engineer — Managed Operations

    A leading cloud services provider is seeking a Systems Development Engineer to play a key role in launching the European Sovereign Cloud in 2025. You will lead operations, contribute to service evolution, and enhance availability and reliability. Successful candidates will possess strong software development ski ...

    Remote OSS Assurance Solution Architect – Cloud & AI/ML

    A leading tech company in Madrid seeks an experienced technical consultant specializing in OSS Assurance products. The role involves implementing technical solutions, creating designs, and supporting delivery teams. Candidates should have at least 10 years of relevant experience, strong knowledge of Linux, and e ...

    Streaming Data Engineer — Kafka & Flink (Hybrid, Flexible)

    Una empresa tecnológica en Madrid busca Data Engineers con experiencia en procesamiento en streaming. El rol incluye diseñar y desarrollar pipelines de datos en tiempo real usando Apache Kafka y Flink, y optimizar su rendimiento. Se ofrece un contrato indefinido, beneficios corporativos, y un ambiente de trabajo ...

    Ingeniero de Testing y Validación de Software Impacto

    Una empresa de tecnología busca un profesional que participará en la definición de requisitos y en la validación de sistemas. Te encargarás de diseñar casos de prueba, gestionar requisitos y colaborar con equipos multidisciplinares para garantizar la calidad del producto. Es necesario tener conocimientos en Pyth ...

    Ingeniero de Software I+D: IA y Sistemas Autónomos

    Una empresa de ingeniería ferroviaria busca un apasionado de la ingeniería del software para unirse a su equipo en Alcobendas. Se requiere experiencia en Python, Java o C++, y habilidades en UML para el desarrollo de soluciones autónomas para trenes. Este rol ofrece la oportunidad de trabajar en proyectos de aut ...

    Applied Scientist, Central ML Real Time Customer Impact

    Amazon is seeking an Applied Scientist for the Central Machine Learning team in Madrid, Spain. This role involves using machine learning and statistical techniques to develop scalable solutions to optimize business operations and drive real-time implementations. Candidates should have programming experience in J ...

    Pre Sales Data Architect & Solutions Lead

    Una empresa tecnológica busca un Presales Data Engineer para unir soluciones técnicas y necesidades del cliente. El rol incluye la participación en la fase de preventa, liderar demos y traducir requerimientos en soluciones escalables. Se valoran 5 años de experiencia en roles similares y habilidades en SQL, Pyth ...

    Data Engineer — AI Driven Platform & Pipelines

    Amazon is seeking a Data Engineer in Madrid to design and operate data pipelines, models, and infrastructure. The ideal candidate will have extensive experience in data engineering, data modeling, and ETL processes, and should be proficient in programming languages like Python or Java. Familiarity with AWS techn ...

    Consultor Técnico Junior Integración de Plataformas

    Morgan Philips Specialist Recruitment busca un Consultor Técnico para su cliente en Madrid. Las funciones incluyen la adaptación de soluciones tecnológicas, integración con sistemas externos mediante APIs, y la ejecución de pruebas. Se requieren entre dos y cuatro años de experiencia en un puesto similar, manejo ...

    Payments Systems Engineer: Scale, Troubleshooting & Automation

    Amazon seeks a System Development Engineer for its Consumer Payments team in Madrid, Spain. The role involves working on scalable payment systems to enhance customer experience. Ideal candidates have a BS/MS in Computer Science/Engineering, 2+ years of experience, and proficiency in Unix/Linux and programming la ...

    Cloud Tech Intern: ML & Cloud in São Paulo

    A Amazon oferece uma oportunidade de estágio na tecnologia da AWS em Madrid, Espanha. Como estagiário, você vai desenvolver soluções inovadoras em projetos desafiadores e colaborar com equipes superiores. Procuramos candidatos com conhecimento em linguagens de programação como Java ou Python e formação em áreas ...

    Applied Scientist, Agentic AI — Autonomous & Multimodal AI

    A leading tech company in Madrid is seeking an Applied Scientist to join their AWS Agentic AI team. You will develop the next-gen models for intelligent automation, partnering with teams to solve real-world issues. Applicants should have experience in model building, programming in Java, C++, or Python, and hold ...

    Appian Automation Specialist Hybrid

    Habber Tec España busca un especialista en automatización de procesos con Appian para diseñar y desarrollar soluciones que optimicen la eficiencia empresarial. El candidato ideal tendrá al menos 3 años de experiencia en Appian, y habilidades en Java, JavaScript, Python y SQL. Ofrecemos un entorno de trabajo cola ...

    QA Engineer Intern: Hands on Testing & Automation

    A leading international tech company is offering a Quality Assurance Engineering Internship in Madrid for 2026. Candidates should be enrolled in a Bachelor's degree or above with knowledge of programming languages like C/C++, Python, Java, or Perl. This role emphasizes an inclusive culture that empowers employee ...

    Fullstack Developer (Elixir) Remote, Flexible Hours

    Una agencia de reclutamiento IT busca un programador fullstack con conocimientos en Java, Python, Go o similares, y un interés en aprender Elixir. La posición ofrece un contrato indefinido con un cliente final, salario entre 35-45K, horario flexible y posibilidad de trabajo remoto con una vez al mes en las ofici ...

    Applied Scientist — Music AI & Personalization (Fixed Term)

    A leading technology company is seeking an Applied Scientist to work on music and podcast recommendations using machine learning. The role involves developing cutting-edge models, collaborating with engineers, and ensuring the team's prominence in research. Candidates should have a PhD or Master's in relevant fi ...

    Remote Senior Platform Engineer Automation & CI/CD

    A leading gaming company is seeking a Senior Platform Engineer (Automation) to enhance software delivery and developer experience for a new multiplayer strategy game. The role offers a remote or hybrid work environment and emphasizes strong automation, collaboration, and CI/CD expertise, ensuring teams can ship ...

    Applied Scientist — Music AI & Personalization (Fixed Term)

    A leading technology company is seeking an Applied Scientist to work on music and podcast recommendations using machine learning. The role involves developing cutting-edge models, collaborating with engineers, and ensuring the team's prominence in research. Candidates should have a PhD or Master's in relevant fi ...

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      Senior Devops Developer Java Python Jobs in Madrid Job Search Guide, Trends and Insights