Javascript Developer Node Developer Jobs in Madrid, Spain

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Hybrid Senior Full Stack Architect (API & DB Design)

Una empresa de tecnología en Madrid busca un Senior Fullstack Developer con capacidad para diseñar arquitecturas de APIs y bases de datos relacionales. Se requiere experiencia avanzada en React y dominio de Node.js. Se valoran también conocimientos en .NET. El trabajo será híbrido, implicando tanto teletrabajo c ...

Senior C++/Go Systems Engineer — Virtualization & Backups

A global cybersecurity firm is seeking a Senior C++ Developer to integrate their flagship product with virtualization platforms. The ideal candidate has over 5 years of experience in C++ or Rust, strong troubleshooting skills, and proficiency in Windows and Linux systems. Responsibilities include developing feat ...

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 ...

Senior Angular Frontend Engineer

Jordan martorell s.l. busca un/a Senior Angular Developer para unirse a su equipo en Madrid. El candidato ideal debe tener amplia experiencia en desarrollo con Angular y un buen nivel de inglés. Las responsabilidades incluyen la programación y mantenimiento de software, revisión de código, y soporte a perfiles j ...

Senior Java Backend Engineer: APIs, Microservices & Cloud

Jordan martorell s.l. busca un Senior Backend Developer Java en Madrid. El candidato ideal tendrá una sólida experiencia en Java, APIs REST y microservicios. Las responsabilidades incluyen diseñar, desarrollar y mantener servicios backend, así como colaborar en un entorno Agile. El proyecto tiene una duración ap ...

Space Software Engineer: Backend & Microservices

GMV Spain seeks a skilled backend developer to join their innovative team focused on space asset protection. The ideal candidate will have solid experience with Java, Spring Boot, RESTful APIs, and PostgreSQL, while also being familiar with Docker and microservices. This role offers a hybrid working model and st ...

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 ...

Senior C++ OS Internals Engineer — Cross‑Platform, Hybrid

A leading technology company in Madrid is looking for a Software Developer with over 7 years of experience. Role entails developing Collectors, endpoint agents for IT management, requiring strong C++ skills and understanding of operating systems. This position is dynamic and involves creating solutions across mu ...

Senior Java Spring Boot Engineer – Remote

A leading tech firm in Madrid is looking for a software developer with at least 4 years of experience in Java and Spring Boot. The role offers a hybrid work model, allowing you to work from various locations or from home. Candidates should have experience with SQL and GitHub. The position includes on-call rotati ...

React Frontend Architect Remote & Flexible Hours

A software development company seeks a Senior Frontend Developer to design and define the frontend architecture using React.js and TypeScript. You will lead technical decision-making, conduct code reviews, and collaborate with cross-functional teams. Ideal candidates have 5+ years of frontend experience, are pas ...

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 ...

Channel Presales Specialist – Adobe & Liferay Ecosystems

Una empresa innovadora en tecnología busca un/a Liferay Developer que combine conocimiento técnico con habilidades comerciales. El candidato/a gestionará relaciones con partners estratégicos en el ecosistema de Adobe y Liferay, apoyando en procesos de preventa y desarrollo de soluciones. Se valoran habilidades d ...

Principal Architect, Search & AI Platform

A leading technology company in Spain seeks a Distinguished Engineer to lead the architectural vision for their Search products. You will enhance the developer experience, mentor engineers, and collaborate with teams to align on priorities. Ideal candidates will have deep expertise in search technologies and pro ...

MongoDB & .NET Database Engineer: High Load & Observability

An international IT company in Spain is seeking an experienced Database Developer to monitor and optimize MongoDB performance and collaborate with development teams to design scalable data models. The ideal candidate should have over 3 years of experience, strong skills in MongoDB administration, and knowledge o ...

Remote Senior Python Engineer — Flexible Hours & Growth

A leading technology company in Spain is looking for a Senior Python Developer to work remotely. You will design scalable applications, create automation tools for data infrastructure, and collaborate with diverse teams. Ideal candidates will have over 5 years of experience in Python and Django, strong skills in ...

Go Backend Engineer — Cloud Native Microservices

A leading software development company in Madrid is looking for a Backend Developer (Go) to modernize a large-scale platform by creating cloud-native services. You'll be responsible for designing scalable microservices and managing infrastructure. Ideal candidates need 5+ years of backend experience, strong Go s ...

Product Marketing Manager, PhpStorm Drive PHP Dev Growth

A leading software development company in Madrid is seeking a Product Marketing Manager to enhance PhpStorm's market positioning and drive marketing initiatives. The ideal candidate will have proven marketing experience in the tech sector and a strong analytical mindset to optimize campaign performance. Excellen ...

Senior Python Engineer — Apache & AI/ML, Remote

A leading technology solutions provider is seeking a Senior Python Developer with deep experience in the Apache ecosystem. This role requires expertise in data processing, automation, and big data integration. Responsibilities include contributing to open source Apache projects and optimizing Python-based system ...

Full Stack Dev | Flexible Hours & Hybrid Work

A leading technology company in Spain is looking for a Fullstack or Backend Developer with at least 4 years of experience. You will be engaged in the entire product lifecycle, writing clean code and collaborating with a great team. The position offers a hybrid work mode, flexible hours, and competitive salary, a ...

AI First Web Engineer: End to End Site Builder

A personalized pet nutrition service is seeking a developer to lead the full rebuild of their website. The ideal candidate will be skilled in using AI tools as part of their development process and have experience with consumer-facing websites. Strong project ownership and proactive communication skills are esse ...

NodeJS Backend Engineer – Hybrid Madrid North

Una empresa de software en Madrid busca un/a NodeJS Developer para unirse a su equipo. Este puesto ofrece modalidad híbrida y responsabilidad en el desarrollo backend. Se requieren 2-4 años de experiencia con NodeJS, así como habilidades en AWS, PostgreSQL y MongoDB. Además, la empresa ofrece beneficios atractiv ...

Senior DevOps Engineer Remote (Java & Python)

Integrity360 is looking for a Senior Developer with robust DevOps experience to design and optimize software solutions. This role requires proficiency in programming, particularly with Python and Java, and familiarity with cloud platforms including Azure, GCP, and AWS. A cybersecurity mindset and skills in autom ...

Frontend Angular Engineer – Mobility Platform (Remote)

Una startup de movilidad busca un Frontend Developer para construir y mejorar su plataforma. Se requiere experiencia en Angular o React y un nivel de inglés B2. Ofrecen un entorno ágil, retribución flexible, 23 días de vacaciones y modalidad híbrida con posibilidad de teletrabajo. Se valorará actitud proactiva y ...

Frontend Performance Engineer: 60fps UI & Canvas Rendering

A leading technology company is seeking a frontend developer to transform Nextcloud Office into a modern productivity suite. The role involves enhancing UI performance, building new features like advanced charts, and refactoring legacy systems. A strong background in web performance optimization and AI-assisted ...

Front end Performance Engineer: 60fps UI & Canvas Rendering

A technology firm is seeking a frontend developer to transform Nextcloud Office into a high-performance productivity suite. The role focuses on building advanced features, optimizing UI performance, and leveraging AI tools to enhance development. Candidates should possess a deep understanding of DOM behavior, Ca ...

Ruby on Rails Engineer – Civic AI & Open Data Platform

A technology recruitment platform is seeking a Ruby on Rails developer to enhance a public procurement data platform. You will be responsible for implementing features and collaborating with a small team to ensure high-quality code. This role emphasizes independence and a meaningful impact on civic engagement pr ...

Enterprise Sales Strategist

A dynamic tech startup in Madrid seeks an Enterprise Business Developer to drive B2B sales. The role involves prospecting, defining strategic plans, and building relationships with clients. Candidates should have 2-5 years of experience in technology consulting or sales, a degree in engineering or management, an ...

React Frontend Architect Remote & Flexible Hours

A software development company seeks a Senior Frontend Developer to design and define the frontend architecture using React.js and TypeScript. You will lead technical decision-making, conduct code reviews, and collaborate with cross-functional teams. Ideal candidates have 5+ years of frontend experience, are pas ...

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 ...

Senior Backend Engineer (Ruby/Go) — Remote friendly

A leading technology company based in Madrid is seeking a Senior Backend Developer with strong experience in Ruby and GOlang to join their Engine team. The role involves building scalable applications, improving existing systems, and leading technical projects. Candidates should have at least 7 years of industry ...

Ruby on Rails Engineer – Civic AI & Open Data Platform

A technology recruitment platform is seeking a Ruby on Rails developer to enhance a public procurement data platform. You will be responsible for implementing features and collaborating with a small team to ensure high-quality code. This role emphasizes independence and a meaningful impact on civic engagement pr ...

Frontend Angular Engineer – Mobility Platform (Remote)

Una startup de movilidad busca un Frontend Developer para construir y mejorar su plataforma. Se requiere experiencia en Angular o React y un nivel de inglés B2. Ofrecen un entorno ágil, retribución flexible, 23 días de vacaciones y modalidad híbrida con posibilidad de teletrabajo. Se valorará actitud proactiva y ...

Senior Java Engineer Spring Boot, Microservices, Remote

Una consultora internacional busca un Senior Java Developer en Madrid. La persona ideal tendrá más de 5 años de experiencia en desarrollo backend con Java y conocimientos sólidos en Spring Boot y microservicios. Ofrecemos un ambiente ágil, oportunidades de crecimiento, formación continua y beneficios sociales co ...

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, ...

Senior TypeScript Lead Remote & Flexible Hours

A leading IT services provider is seeking a Senior TypeScript Developer to work fully remotely. The role involves designing complex TypeScript applications, leading a team of developers, and integrating best practices in software engineering. The ideal candidate has over 5 years of TypeScript experience, a stron ...

SharePoint & Power Platform Consultant (Hybrid)

Una empresa internacional de ingeniería busca un Consultor SharePoint Developer en Madrid/Barcelona. La posición es híbrida y se requiere experiencia en desarrollo de SharePoint y Microsoft 365. El candidato será responsable del diseño, desarrollo y mantenimiento de soluciones, trabajando en automatización de pr ...

Go Backend Engineer — Cloud Native Microservices

A leading software development company in Madrid is looking for a Backend Developer (Go) to modernize a large-scale platform by creating cloud-native services. You'll be responsible for designing scalable microservices and managing infrastructure. Ideal candidates need 5+ years of backend experience, strong Go s ...

Desarrollador Flutter Senior — Cloud/Firebase (Remoto)

Una startup de tecnología busca un/a Flutter Developer senior en Madrid para desarrollar y optimizar una aplicación móvil existente. El candidato ideal debe tener experiencia en Flutter, Firebase y Google Cloud. Se ofrece un paquete de compensación en acciones y la posibilidad de formar parte de un equipo innova ...

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 ...

Remote/Hybrid Senior DevOps & Security Automation Engineer

A leading cybersecurity firm in Madrid is looking for a Senior Developer. In this role, you'll collaborate with developers and cybersecurity experts to design and optimize software solutions. The ideal candidate will have extensive DevOps experience, strong programming skills in multiple languages, and a knowled ...

Senior Go Engineer — AI Driven Platform & DevEx

A leading tech company in print production is seeking a backend engineer proficient in Go. The role involves driving AI adoption and enhancing developer tools within the team. Ideal candidates will have extensive CI/CD and platform automation experience, and a passion for AI-assisted development. This position f ...

Senior DevOps Engineer Remote (Java & Python)

Integrity360 is looking for a Senior Developer with robust DevOps experience to design and optimize software solutions. This role requires proficiency in programming, particularly with Python and Java, and familiarity with cloud platforms including Azure, GCP, and AWS. A cybersecurity mindset and skills in autom ...

Product Manager Binary Analysis Tools for IDEs

JetBrains is looking for a Product Manager for Hexana in Madrid, Spain. The role involves moving Hexana from early validation to a strategic, scalable product by conducting research, defining roadmaps, and establishing market strategies. Candidates should have significant experience in product management and a s ...

Senior Angular Frontend Engineer

Jordan martorell s.l. busca un/a Senior Angular Developer para unirse a su equipo en Madrid. El candidato ideal debe tener amplia experiencia en desarrollo con Angular y un buen nivel de inglés. Las responsabilidades incluyen la programación y mantenimiento de software, revisión de código, y soporte a perfiles j ...

Senior BD I+D+i – Madrid: Financiación y Crecimiento

Jordan martorell s.l. busca un Senior Business Developer en Madrid para impulsar proyectos de financiación I+D+i. Las responsabilidades incluyen captación de empresas clientes, visitas comerciales y cierre de contratos. Se requiere experiencia de 3-4 años, carnet de conducir y habilidades de negociación. Ofrecem ...

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 ...

Senior Java Backend Engineer: APIs, Microservices & Cloud

Jordan martorell s.l. busca un Senior Backend Developer Java en Madrid. El candidato ideal tendrá una sólida experiencia en Java, APIs REST y microservicios. Las responsabilidades incluyen diseñar, desarrollar y mantener servicios backend, así como colaborar en un entorno Agile. El proyecto tiene una duración ap ...

Platform First Senior TS/Node.js Architect (AWS)

A technology firm in Madrid is seeking a Senior TypeScript/Node.js Developer to transform their AdTech product architecture. This role involves designing high-performance microservices and ensuring data separation across platforms. Candidates should possess over 7 years of experience with strong skills in TypeSc ...

Enterprise Sales Strategist

A dynamic tech startup in Madrid seeks an Enterprise Business Developer to drive B2B sales. The role involves prospecting, defining strategic plans, and building relationships with clients. Candidates should have 2-5 years of experience in technology consulting or sales, a degree in engineering or management, an ...

AI Driven TypeScript Full Stack Engineer (Madrid)

A leading vehicle logistics company is seeking an AI-oriented Full Stack Developer for its Madrid office. The ideal candidate will leverage TypeScript to enhance vehicle logistics processes, working closely with the local team. Responsibilities include building efficient systems with AI-driven methodologies and ...

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    Javascript Developer Node Developer Jobs in Madrid Job Search Guide, Trends and Insights