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    Aeronautical System Engineer International Project

    Are you looking for the next challenge in your career?¿Es usted el solicitante adecuado para esta oportunidad? Descúbralo leyendo el resumen del puesto a continuación.Would you like to be part of an excitinghighly qualified team of professionals in an international environment?We are currently ...

    Data Engineer Platform Engineering €25 €30 An Hour €25 €30 An Hour Remote

    Data Platform Engineer (Azure Databricks) Fully Remote from Spain€*****/hour12-month contract (Autonomo setup)We are looking for aData Platform Engineerto support and evolve multipleUnity Catalog–enabled Azure Databricks environments.This role is focused onplatform engineering and operations, NOT on building ...

    Full Stack Engineer

    Full Stack Engineer II Position Overview: Expedia is looking for a Software Development Engineer II to join the Travel Advisor Affiliate Program (TAAP) team to build services to support our Travel Advisors and Partners. TAAP is part of Expedia B2B division where we ...

    Staff Engineer: Performance, Reliability & AI Automation

    Factorial is seeking a Staff Software Engineer for the DX and Performance team, focusing on performance, reliability, observability, load testing, and AI-assisted engineering workflows. The role centers on building scalable, observable systems with 200+ engineers and cross‑team collaboration in Barcelona. </p ...

    Staff Engineer, Performance & AI Driven Reliability

    Factorial HR is seeking a Staff Software Engineer to join the DX and Performance team in Madrid, focusing on performance, reliability, observability, and AI-assisted workflows. You will shape how Factorial defines, measures, and improves system health and scalability across product and infrastructure. ...

    Desarrollador Java Microservicios, Cloud y Remoto

    Second Window en Madrid busca un/a Java Software Engineer para unirse a un equipo innovador. El rol implica el desarrollo de aplicaciones usando arquitecturas modernas, así como colaborar con equipos multidisciplinares. Se requieren al menos 2 años de experiencia en Java y Spring, con conocimientos en ...

    Satellite FPGA Engineer: SDR, Xilinx UltraScale

    A leading space engineering company in Madrid seeks an FPGA engineer to integrate IP cores into FPGA designs. The role involves full FPGA design flow, including HDL integration and design testing. Candidates should have solid HDL knowledge, experience with Software Defined Radios, and a telecommunications backgr ...

    Senior Graphics & JVM Engineer (OpenGL/Vulkan) — Remote

    JetBrains is seeking a Senior Graphics/JVM Software Engineer to join the JetBrains Runtime team in Madrid, Spain. This role involves enhancing our development tools and ensuring optimized performance for IDEs. We are looking for candidates with extensive experience in C/C++, a solid understanding of Ja ...

    Python Backend Engineer (Azure Functions) Remote & Flexible

    VISEO IBERIA in Madrid seeks a Python Software Engineer to drive the development and maintenance of data integration APIs within our Customer Data Platform, focusing on quality, scalability and automation. You will work with Azure services and collaborate with Data Engineering teams. Requirements inclu ...

    Senior Java Backend Engineer: Cloud & Microservices Hybrid

    A leading technology company in Madrid is looking for a Senior Java Software Engineer to take the reins on backend development, focusing on scalable solutions in cloud environments. The ideal candidate will have 8+ years of experience, proficiency in Java and Spring Boot, and knowledge of microservices and cloud ...

    IVV Engineer: Ground Segment for IRIS² (Madrid)

    ATG Europe is seeking an IVV Engineer to support a space program in Arganda del Rey (Madrid). The role focuses on planning and executing IVV activities for ground segment systems, developing IVV plans and test cases, and ensuring interoperability of hardware and software components. You will collaborat ...

    Backend Engineer Data & Trading Apps (Remote, Flexible)

    Axpo Group is seeking an experienced IT engineer in Madrid to develop and maintain software supporting energy trading processes. You'll be tasked with integrating data logistics and collaborating with cross-functional teams. This role requires expertise in programming (Python preferred), cloud services (parti ...

    Ingeniero SHM DO 278 – Software de Aviónica Crítica

    Capgemini Engineering busca un/a SHM Engineer con conocimientos de DO-278 para gestionar y definir requisitos software en proyectos aeronáuticos de alto valor tecnológico. Trabajarás en entornos regulados y con equipos multidisciplinares, asegurando trazabilidad y cumplimiento normativo. La posición of ...

    Senior Scala Engineer — Remote & Flexible, Growth

    N-iX is looking for a Senior Scala Engineer to join their Aggregates Engineering Team in Madrid, Spain. This role involves architecting the Core Lifecycle and optimizing performance across data platforms such as Snowflake and Google BigQuery. The ideal candidate has over 6 years of software engineering ...

    Defense SDR Systems Engineer: RF, EW & Embedded

    ARQUIMEA is looking for a Defense Systems Engineer specialized in Software-Defined Radios at our Madrid headquarters. You will support the design, development, and integration of mission-critical defense systems while ensuring compliance with technical and security requirements. The ideal candidate has over 5 ye ...

    Senior Electrical Engineer Power & Lighting Lead

    A global engineering firm located in Madrid is seeking an experienced Electrical Engineer. The role involves electrical power and lighting designs, project management, and client engagement. The ideal candidate has over 10 years of experience, is fluent in both English and Spanish, and possesses strong knowledge ...

    SDET: Build AI Driven Test Emulators & CI/CD

    Kairós busca un Software Development Engineer in Test (SDET) para un área de I+D. Se trabajará en emulación de dispositivos, entornos virtualizados y validación de firmware mediante simulaciones en Python y Docker. La función implica orquestación de pruebas con Behave/Gherkin, integración en Jenkins y ...

    Senior SDET: Python/Pytest for AI Driven Medical QA

    A leading medical technology firm in Madrid is looking for a Senior Software Engineer in Test. The role involves testing complex AI-powered tools, APIs, and 3D CAD applications. Candidates should have a Bachelor’s degree in computer science and extensive experience in SQA and test automation. Proficiency in Pyth ...

    Remote Backend Engineer (Python) — Scalable AI Systems

    Bark.com is looking for a Backend Engineer to join our innovative team, working fully remotely from Spain. The role involves developing scalable features using Python and collaborating with teams to implement software solutions. Ideal candidates will have extensive experience in building APIs, managing ...

    Senior Backend Engineer (Java/Kotlin) Impact & Growth

    Parser is seeking a motivated Backend Engineer to join our development team in Madrid. You will apply strong JVM-based skills (Java/Scala/Kotlin) to build scalable services, contribute to design decisions, and drive improvements across production systems. The ideal candidate has 6–7 years of software d ...

    Hybrid Automation Tester – IP Networks & CI/CD

    T-Systems Iberia is seeking a QA/Test Engineer to support monitoring and data analytics tool testing for a Deutsche Telekom project. You will execute software releases, build automation tests, and maintain CI/CD pipelines in a collaborative, international environment. English proficiency (B2) is requir ...

    Remote Senior Backend Engineer Real Time Java/Spring

    Primion Technology is seeking a Senior Backend Engineer (m/f/d) to join our engineering team for real-time business applications. You will build backend services, implement event-driven workflows, and integrate with external systems, delivering scalable, reliable software. This fully remote role offers ...

    Senior FPGA & Firmware Engineer — Embedded Systems

    Fortil in Madrid seeks a Senior FPGA/Firmware Engineer to design and implement advanced FPGA-based embedded systems within demanding environments. You will drive RTL development, verification, and integration across hardware and software teams. We value a master's degree in electronics or embedded syst ...

    Ingeniero/a IA Multiagente LangChain RAG | Madrid

    Capitole busca un/a Software Engineer especializado/a en IA para un entorno tecnológico internacional. Se incorporará a IT Operations con foco en diseño y desarrollo de arquitecturas agénticas y soluciones basadas en RAG para ITOps. Se trabajará con LangChain y LangGraph, desarrollando agentes de IA y ...

    CAR T Data Orchestration & AI Engineer

    Jobtailor is seeking a software engineer to design, build and lead master data orchestration across the technology platform, including end-to-end data flows and integrations. You will translate business requirements into technical designs and acceptance criteria, develop APIs, and deploy agentic AI wor ...

    Senior GenAI & Agentic Systems Engineer (ML)

    Provectus is hiring an ML Engineer in Madrid to build AI/ML solutions that impact society. You will work on production-grade models, NLP, LLMs, and recommender systems, collaborating with engineers, data scientists, and product managers. The role emphasizes robust software engineering, documentation, a ...

    Senior IVV Lead, Satellite Ground Segment

    Hispasat, as part of the SpaceRISE consortium, is seeking an MCC Senior Engineer IVV to lead assembly, integration and verification activities for the ground segment of the IRIS² project in Spain. The role requires a Master’s degree in Telecommunications or Electrical Engineering and at least 5 years ...

    Senior Functional Safety Engineer ISO 26262 Expert

    LUZA Group is seeking an experienced Functional Safety Engineer in Madrid to support the development and implementation of automotive Functional Safety requirements in line with ISO 26262. You will work across concept, system, hardware and software development, performing HARA activities and ASIL determinatio ...

    Research Engineer, Agentic AI for Multistep Coding

    A technology company in Madrid seeks a Research Engineer to develop AI-powered coding agents. The role involves designing and implementing training pipelines for LLMs, collaborating with various teams, and improving model architectures. Ideal candidates will have hands-on experience with LLM training, expertise ...

    Senior SDET: Master Test Automation for Distributed Systems

    Akamai Enterprise Security Group (formerly Guardicore) is seeking a Senior Software Development Engineer in Test to drive quality across our platform. You will work on complex distributed systems and influence engineering practices, collaborating with developers and architects. Responsibilities include ...

    Senior Scala Engineer Remote/Hybrid, Growth & Impact

    N-iX is seeking a Senior Scala Engineer to join the Aggregates Engineering Team in Madrid, Spain. This role involves designing and evolving the systems that optimize business intelligence across cloud data platforms. The ideal candidate will have 6+ years of software engineering experience and a strong ...

    Senior Graph Engine Engineer — Distributed Data Platform

    Datadog is seeking a Senior Software Engineer to enhance REDAPL, their Referential Data Platform. In this role, you'll build a query engine, drive key projects, and lead architectural decisions for scalable solutions that support customer infrastructure needs. We value strong back-end engineering exper ...

    Python Backend Engineer | FastAPI/Django/Flask – Madrid

    A leading AI solutions provider in Madrid is seeking a Python Software Development Engineer to ensure the robustness and performance of backend systems. You will assist in creating back-end components, manage database schemas, and participate in code reviews. The ideal candidate has experience with Python and Fa ...

    Senior Full Stack Engineer: Orchestration & Automation (Hybrid)

    Celonis, the global leader in Process Intelligence, is hiring a Senior Software Engineer - Orchestration and Automation in Madrid. You will design, build, and maintain scalable full-stack solutions across the frontend and backend, collaborating with cross-functional teams to translate business requirements in ...

    Senior Aws Cloud Architect For Data Lake (Remote Spain)

    Open Digital Services, the software development arm of Santander Group, seeks a Cloud Architecture Engineer in Madrid or remote within Spain. You will design and operate AWS-based cloud infrastructure for the Datalake, applying automation and Ia C to ensure reliability, security and scalable data platforms. You ...

    Senior AI Engineer Agentic Platforms & DevEx

    Fever in Madrid seeks a Senior Software Engineer to lead AI-driven product engineering initiatives. You will build agent harnesses, sub-agents, and evaluation tooling, shipping production-ready AI features across Fever’s platforms. You will own CI/CD pipelines, observability, and the delivery substrate ...

    C++ & 3D Web Engineer for Global Ortho Platform

    Ormco is seeking a Software Development Engineer to join our global team that builds the Spark™ Clear Aligners platform. You will work on a sophisticated system spanning order to design to manufacturing, integrating C++, 3D technologies, and modern web capabilities. The role emphasizes collaboration wi ...

    C++ & 3d Web Engineer For Global Ortho Platform

    Ormco is seeking a Software Development Engineer to join our global team that builds the Spark™ Clear Aligners platform. You will work on a sophisticated system spanning order to design to manufacturing, integrating C++, 3D technologies, and modern web capabilities. The role emphasizes collaboration w ...

    Test Engineer Automation & QA Lead (Madrid)

    Daikin Europe NV in Madrid, Spain, is seeking a Test Engineer to lead testing efforts and drive quality across projects. You will collaborate with development teams to integrate testing into the SDLC, design scalable test automation frameworks, and mentor junior staff to improve testing practices. The ...

    Backend Heavy Frontend Infrastructure Engineer

    Liferay is seeking a backend-focused engineer with frontend expertise to join the Frontend Infrastructure team. You will bridge core backend systems with user-facing frontend frameworks, designing and delivering backend frameworks, build tools, and pipelines powering Liferay’s frontend ecosystem. You will work a ...

    Vue.js Frontend Engineer Hybrid, Global Impact

    TransPerfect is hiring a Frontend Engineer to join our TechOps team in a hybrid work arrangement in Madrid. You will be responsible for implementing features, developing modular UI components, and ensuring high performance. Ideal candidates will have 2–4 years of software development experience, strong ...

    Senior Frontend Engineer — Angular/TypeScript UI Innovator

    Celonis is seeking an experienced Senior Frontend Software Engineer to design, build, and maintain high-quality user interfaces using modern Angular. You will own client-side architecture, component libraries, and frontend performance, collaborating with product, UX/UI, and backend engineers to transform comp ...

    Senior Frontend Engineer – Orchestration & Automation

    Celonis in Madrid is seeking a Senior Frontend Software Engineer to design and build sophisticated user interfaces with Angular and Type Script. You will own client-side architecture, contribute to component libraries, and drive frontend performance. Join a collaborative team working with product managers, UX/UI ...

    Senior Frontend Engineer – Graph Visualization & AI Tools

    Celonis is seeking a Senior Software Engineer for Prisma to help build the Modeling library from the ground up. You will work on the graph rendering, layout, and interaction logic that powers process modeling across the platform. You should be proficient in TypeScript, Angular, and HTML5, have 5+ years ...

    Ingeniero de Pruebas SW Cloud & V&V

    Capgemini Engineering busca un perfil con experiencia como SW Tester Engineer para incorporarse en uno de nuestros equipos en Madrid. Definición y ejecución de pruebas, evaluación de informes y garantizar la calidad en proyectos de software y hardware. Colaborarás con equipos internacionales, integrará ...

    Senior Ground & Tunneling Engineer Lead & Mentor (Hybrid)

    AECOM is recruiting a Principal Ground Engineer to join the Enterprise Capabilities team. You will lead ground engineering efforts on major projects, focusing on transportation and water sectors and utilizing advanced geotechnical software. This role offers a path to influence design standards and deli ...

    Senior Full Stack Engineer (Net/Vue) – Ai Driven Platform

    Celonis, the global leader in Process Intelligence, is hiring a Senior Software Engineer - Orchestration and Automation in Madrid. You will design, build, and maintain scalable full-stack solutions across the frontend and backend, collaborating with cross-functional teams to translate business requirements in ...

    Senior Java Engineer, B2B Travel Platform

    Expedia Group in Madrid is seeking a backend software engineer for the TAAP engineering team to design, develop, and deliver high‑quality features using Java and JVM languages for the Travel Agent Affiliate Program. You will collaborate with product managers, designers, and other engineers in a fast-pa ...

    Lead AI Engineer Drive Enterprise AI Transformation

    Fever is seeking a Lead AI Engineer in Madrid to drive company-wide AI transformation. The role involves building and leading specialist teams to deliver AI initiatives across business domains, optimizing workflows, and shaping best practices for AI engineering. Ideal candidates will have strong software enginee ...

    Senior Full Stack Engineer (NET/Vue) – AI Driven Platform

    Frontiers is seeking a Senior Full-Stack Engineer with a strong backend focus to join the RTM team. You will own complex backend systems and full-stack features end-to-end, from specification refinement through implementation to production monitoring. You will work on a distributed .NET platform with V ...

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