Empleos de back end developer en Madrid

En JAKALA seguimos creciendo y buscamos un/a Backend Engineer para formar parte de un equipo de desarrollo en una Plataforma de IA escalable en nuestra oficina de Madrid, Barcelona, Gijón o Pamplona (o posibilidad de trabajo remoto). Estamos desarrollando una plataforma basada en arquitectura modular con dos backends principales: Node.Js (servicios...

We're Revolutionizing Energy to Change the World At Octopus Energy, we're not your typical utility company. We're a team of passionate people working every day to make energy 100% renewable, accessible, and fair for everyone. We believe technology and innovation are key drivers of change. Our mission is to transform the way the world consumes energy...

About the CompanyDo you think that money can be better? Money should help lower or removeentry barriers to the market. Money should be universal. And money shouldempower your dreams. At HandCash we are creating a marketplace of apps and games where skills andgood content are rewarded, and startups make money since day one. Although our HQ is in Madrid, our...

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 and teamwork abilities, and must be fluent in...

Senior Backend Developer sought to design, build, and maintain scalable server-side architecture, backend services, and data infrastructure for a global tech company, using Node.Js, GCP, and microservices, supporting millions of users.

Senior Backend Developer - Node.JsRemote | EuropeA fast-growing global consumer technology company is looking for a Senior Node.Js Backend Developer to join its international engineering team. The organisation builds innovative real-time digital products used daily by millions of users worldwide. Their platform focuses on creativity, self-expression, and...

Back-end Engineer (.NET / Node.Js) – Diseño y ArquitecturaPerfil que buscamos_Perfil back-end con conocimientos de patrones de diseño y organización software.Centrad@ en alguno de estos campos:Se valorará conocimiento de C#, SQL, Typescript, Node.Js, conocimiento de patrones DDD, CQRS, TDD, Docker, CI/CD, Nest.Js, Gitlab, DevOps.Remuneración /...

Get AI-powered advice on this job and more exclusive features.We are seeking a highly skilled Backend Software Engineer to join our team. The ideal candidate will have a strong background in backend development, with experience in building scalable systems, APIs, and cloud-based services.Mandatory technical knowledge:- Proven experience as a Python...

Backend Engineer – AI Integrations Location: Madrid, Spain Department: Engineering Vic.ai is building the future of autonomous accounting using AI. We help finance teams eliminate manual invoice processing and unlock real-time financial intelligence by combining advanced machine learning, OCR, and scalable backend systems. We're a venture-backed,...

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. WHY JOIN US If you're looking for a place to grow, make an...

A global leader in Fin Tech is building a brand-new Engineering team and is looking for experienced Senior Software Engineers (Backend) to join them. They're hiring across all levels, including Senior Engineers, Staff Engineers, Principal Engineers, even Team Leads. This is an opportunity to work on deeply technical, innovative solutions as part of a...

Backend Engineer – AI Integrations Location: Madrid, Spain Department: Engineering Vic.ai is building the future of autonomous accounting using AI. We help finance teams eliminate manual invoice processing and unlock real-time financial intelligence by combining advanced machine learning, OCR, and scalable backend systems. We're a venture-backed,...

Somos una empresa de ingeniería y tecnología con operaciones en España, Reino Unido, Alemania, Francia y Suecia. Trabajamos con las multinacionales más prestigiosas de Europa ayudándoles a implementar sus proyectos estratégicos. #En BCNC Group, estamos en búsqueda de un Backend Developer con PL/SQL, para formar parte de un proyecto estratégico del...

Adesso Spain is seeking an experienced Back-End Developer with Java expertise to design and implement robust, scalable web applications in a multinational team. You will work with Java, Spring, and microservices, contribute to architectural decisions, and deliver high-quality software in an agile environment.The role offers a hybrid work model, a competitive...

Developer Java Angular IA (Claude Code) Estamos seleccionando un/a Backend Developer con conocimientos de Frontend y orientación hacia AI Engineering para incorporarse a un interesante proyecto dentro del sector asegurador, en un entorno tecnológico, ágil y con posibilidad de trabajar 100 en remoto. Requisitos técnicos Más de 4 años de experiencia en...

Overview As Backend Engineer, AI, you will ship robust backend features at Deel Speed, using AI tools to accelerate development while preserving quality. You will collaborate with product, frontend, design, and QA to translate requirements into scalable services across 150+ countries. Your work will include building AI-powered workflows and ensuring...

Buscamos talento IT especializado en desarrollo backend e infraestructura! En Grupo PROEDUCA, líder en educación superior online, buscamos incorporar un/a Desarrollador/a Backend (Python) con conocimientos en Infraestructura para formar parte de nuestro equipo tecnológico y participar en el desarrollo y evolución de los servicios backend que dan...

TECH friendly en Bilbao está buscando un/a Desarrollador/a Back-End para diseñar, desarrollar y mantener servicios, APIs y la lógica de negocio que sustentan nuestras aplicaciones.Trabajarás junto al líder técnico, asumiendo responsabilidad de la capa backend y elevando la calidad técnica del equipo en un entorno ágil. Se valora autonomía y enfoque...

En THE WHITEAM estamos buscando un/a Senior Back-End Developer con amplia experiencia en NodeJS sobre AWS para incorporarse a un proyecto internacional 100% en inglés.Este puesto requiere de una modalidad híbrida en Madrid y cuenta con un salario aproximado de 28K€/anual.Requisitos- Experiencia sólida en desarrollo Back-End con NodeJS.- Experiencia...

OverviewA continuación se detalla todo lo que necesita saber sobre lo que implica esta oportunidad, así como lo que se espera de los solicitantes. En GFT buscas un Desarrollador para unirse al área de Development y crecer en un entorno multicultural y desafiante. Liderarás el desarrollo de aplicaciones web con tecnologías modernas y colaborarás con...