Empleos de engineer - back end developer en Madrid

Alignerr is seeking a Back End Developer for a remote hourly contract focused on building and optimizing server-side systems and APIs for advanced AI products. You will design data pipelines, microservices, and scalable architectures to handle real-world traffic from multiple time zones.Ideal candidates have strong experience with Python/Go/Java/Node.Js,...

Job DescriptionSoftware Development Engineer is part of large global team supporting our Spark software that enables designing and manufacturing of Spark Clear Aligners. Software Development Engineer will work on the initial part of the process- acquisition of raw dental X-ray scans and it's processing into 3D models using machine learning algorithms.Main...

¿Quieres formar parte de nuestro equipo de Profile?Desde Profile nos encontramos en búsqueda de un/a Mid-Senior Fullstack Developer para integrarse en un proyecto 100% remoto.Con ilusión es como se cambian las cosas, y queremos contribuir a un futuro mejor gracias a la tecnología. Para conseguirlo no necesitamos héroes ni súper talentos, sino personas...

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the...

Hi, we’re Back Market.We’re here to helpmake tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.Yep, you read that right. Turns out refurbished tech is way better for the...

T-Systems sucht einen Senior Software Developer mit umfangreicher Expertise in Java, Angular und DevOps-Technologien. Sie entwerfen und warten Front-End-, Back-End- sowie DevOps-Lösungen und arbeiten eng mit Product Ownern sowie funktionsübergreifenden Teams zusammen, um Anforderungen zu erfüllen.Sie gestalten Software-Lösungsdesigns, setzen Standards...

Join BLP Digital — The #1 Solution for ERP AutomationBLP Digital is redefining ERP automation with agentic AI. Spun out of ETH Zurich and HSG, we build AI agents that automate finance, procurement, logistics, sales, and more for some of the world’s largest enterprises. We solve real enterprise problems with cutting‑edge technology and a strong sense of...

For over a decade now, OpenNebula Systems has been building the open source technology that helps organizations around the world to manage their corporate data centers and build Enterprise Clouds with unique, innovative features. Born back in the day as an open source platform for Private Clouds, OpenNebula is a powerful, but easy-to-use, open source Cloud &...

Passion Squared is seeking a Software Engineer – Back End in Madrid to join a web agency team. You will contribute to developing new web and mac applications, maintain existing systems, and translate internal requirements into effective software solutions. The role requires proficiency in Python, Java or .NET, with database and front-end skills; strong...

¿Te apetece desarrollar productos digitales que utilizan miles de personas? En CHECK24 somos una empresa dinámica, exigente y en constante crecimiento. Nos gusta el trabajo bien hecho, compartir conocimiento y afrontar nuevos retos en equipo. Si buscas un entorno en el que seguir desarrollándote junto a grandes profesionales, ¡queremos conocerte!...

APPTIVA CORE TECHNOLOGIES is seeking a Fullstack Developer to join our team in Madrid, Spain. This role involves working in a cross-functional team responsible for the entire software development life cycle, from conception to deployment. You will design and build scalable software solutions while ensuring high standards of security and data protection. The...

Blunt measures public sentiment on everything. Search anything (a restaurant, a product, a city, a song, an idea) and get its Blunt Score, a number from 0 to 100. Our algorithm reads the most relevant sources across the web and measures their sentiment. Users add their own ratings and reviews to affect the topic's Blunt Score.Blunt is live on iOS, Android,...

Fullstack Development Engineer, CloudWe are looking for aFullstack Development Engineer.You willbe part of an internationalagiledevelopment team that includesembedded electronics, IOT, AWScloud-basedservices and data science areas to create a new range of connected product& digital servicesfrom our offices in Getafe (Madrid)Uponor is rethinking water for...

We currently have a vacancy for aFull Stack developerfluent in English, to offer his/her services as an expertremotely (within EU) . In the context of the first assignment, the successful candidate will be integrated in the Development team of the company that will closely cooperate with a major client’s IT team.Designing and developing tools to interact...

A leading provider of digital identity and authentication solutions is seeking a Senior Android Developer in Seville. This critical role involves designing and maintaining high-performance Android applications, utilizing Java and Kotlin, while collaborating with design and back-end teams to ensure responsive user experiences. The ideal candidate will bring...

Elastic, the Search AI Company, is seeking a Software Engineer to join the self-service cloud growth team. You will focus on onboarding for users and trial experiences, driving successful growth of Elastic Cloud. You will work on front-end and back-end features, collaborating with PMs and designers to deliver scalable onboarding flows and robust APIs. Join a...

ResponsibilitiesAs a Senior Backend Stack Engineer in the Core Platform Team, you’ll be a principal owner of the TMS (Translation Management System) Platform and connected services.Drive the architecture, reliability, and evolution of services covering translation workflow orchestration, vendor management, customer management, and integrations with our...

Xe.Com is hiring a senior back-end engineer to own end-to-end problems, from API design and data modeling to service implementation and production reliability. You will design backend services that move money, build scalable multi-currency platforms, and lead cross-functional delivery with product, compliance, and operations.You will mentor mid-level...

Fullstack Engineer – Series B AI Startup | Spain (100% Remote)I’m partnered with a fast‑scaling AI startup, fresh off a Series B raise, looking for an early hire Developer to shape the next generation of their platform. You'll build the GenAI behind some of the products that you use every single day.This is a role for hands‑on builders who enjoy...

Zama makes Fully Homomorphic Encryption (FHE) practical at scale. The Zama Protocol brings FHE to blockchain, enabling confidential smart contracts on any L1 or L2. The Product Integrations team owns the Zama SDK, the high-level developer abstraction that lets wallets, custodians, exchanges, and dApps add confidential token support (ERC-7984) to their...