Empleos de remote nodejs full-stack engineer nextjs en Madrid

N-iX is looking for a Senior Full Stack Engineer in Spain. In this role, you will design and implement APIs in Go and build user-facing features in React. Collaborating with a cross-functional team, you'll ensure high performance experiences for users. Ideal candidates will have 5+ years in software development with strong experience in backend APIs,...

UST in Spain is seeking an experienced Full Stack Developer to design, develop and maintain scalable web applications across frontend and backend. You will build modern frontend solutions with Angular and backend services with Node.Js and Java Spring Boot, deployed in OpenShift.The ideal candidate has 5+ years of professional experience, strong knowledge of...

Bunch is building the operating infrastructure for private markets. As a Full Stack Engineer with a frontend focus in our Platform team, you’ll shape frontend architecture, contribute to backend services, and help maintain our Design System.You will ship end-to-end features that empower thousands of users managing billions in assets. You’ll collaborate...

Full Stack Engineer (Agentic AI)Salary: up to €80,000 depending on experienceLocation: Remote (Spain)Level: Mid/SeniorOur client is building something new in the UK: a VC-backed, AI-enabled roll-up of a large, fragmented services sector. They buy excellent owner-operated businesses and turn them into a modern technology-led group. Two things make it work:...

We are looking for a Senior Full Stack Engineer to join one of our Product Tribes, the cross-functional units that own the end-to-end experience for a specific Toggl user role. You'll join the Tribe building for managers, the people who plan work, protect margins, and keep projects on time and on budget. You own significant parts of that experience...

Óscala, a Dutch/Spanish nearshore software engineering partner, operates a Valencia center and serves clients across the Netherlands and neighboring countries. As a remote-friendly team, we integrate with client dev teams in multiple countries to deliver scalable software solutions.As a Full Stack Developer (remote), you will improve and maintain the...

A leading software company in Ribarroja del Turia is seeking a Full Stack Engineer to build and evolve a secure, cloud-based SaaS platform. The ideal candidate will have over 4 years of experience in SaaS, high proficiency in Java, React, and SQL, along with a DevOps mindset. This position emphasizes collaboration with product and design teams and offers a...

ISOLUTIONS in Barcelona is seeking a Senior Full Stack Developer to join an international team. You’ll work with C#, .NET, React and TypeScript in a hybrid setup from Barcelona, collaborating with teams in Switzerland to deliver high-value software.The role emphasizes design decisions, architectural discussions, and a strong focus on delivering business...

Hired is seeking an experienced engineer to design, develop, and maintain high-quality code for training and optimizing AI models. You will evaluate model performance and rank responses across domains, while producing clear explanations and rationales for evaluations.The role also leads supervised fine-tuning with the creation and maintenance of...

CoverGo | Insurtech is seeking a Lead Full Stack Engineer to drive the technical vision, architecture, and execution of our enterprise‑grade insurance platform. You will lead a team, mentor peers, and champion AI‑driven capabilities to push industry boundaries.You will guide development standards, ensure scalable design, and align tech initiatives with...

Senior Full Stack Engineer (Remote in Spain Possible)Apply for theSenior Full Stack Engineerrole atLanguageWire, a global leader in language and content services dedicated to helping brands reach their full global potential.About the RoleYou will help modernize our core application and develop valuable features for our translators, customers and internal...

Hopper is seeking a senior full stack engineer to anchor HTS Assist, Hopper's agentic AI assistant for travel. You will own the realtime and voice layer end to end, building across React/TypeScript front ends, Scala and Python services, and cloud infrastructure.The role covers telephony integrations, streaming speech-to-text and text-to-speech pipelines, and...

Max IT Consulting – Max Corporate Group in Spain seeks a Senior Software Engineer for Digital Banking & Fin Tech products. You will own complete product experiences, from customer-facing flows to backend services, focusing on banking, payments, onboarding, KYC, and other regulated finance workflows. The client prioritizes strong senior engineering with...

OpenNebula Systems in Madrid-based HQ and fully remote, international team, is seeking a Senior Full-Stack Developer to advance the OpenNebula cloud management platform with a strong front-end focus while contributing to back-end when needed. You will own features end-to-end, work in Linux environments, collaborate across teams, and help evolve edge and...

Company Description Radisson Hotel Group is one of the world's largest hotel groups with ten distinctive hotel brands, and more than 1,500 hotels in operation and under development in 95+ countries. The Group’s overarching brand promise is Every Moment Matters with a signature Yes I Can! service ethos. People are at the core of our business success and...

UST is a multinational technology company seeking a Senior Full Stack Developer with deep expertise in .NET, React, Azure Cloud, and AI to join our remote Spain team. You will design, develop, and deliver cloud-native applications and collaborate with data scientists to drive AI-powered solutions across the lifecycle.The role is 100% remote (Spain) with...

NTT DATA in Spain invites you to join as a Networking Remote Field Service Engineer (L1). This entry-level role provides professional remote technical support to clients by identifying and resolving incidents and problems, operating within the region.You will contribute to pre-emptive service actions to restore service quickly and gain hands-on experience...

Ditech Group busca un/a profesional senior en desarrollo de software para trabajar en proyectos innovadores de España (remoto). Se valoran más de 10 años de experiencia y dominio avanzado de inglés. El candidato ideal posee experiencia con Java, Spring Boot, Angular/TypeScript, APIs REST y entornos de nube. También se valoran habilidades en ingeniería...

SIX Group Services Ltd. in Madrid is seeking a Senior Java Full Stack Engineer to join their agile team. The role involves developing new features for financial market projects and collaborating with various teams to ensure robust deliverables. The ideal candidate will have over 5 years of experience in Java technologies and modern web architectures, and...

Toggl is seeking a Senior Full Stack Engineer to join a Tribe responsible for Toggl 2.0, a unified planning, time tracking, and time intelligence product. You’ll own cross‑functional features from API to UI, working with React/TypeScript on the frontend and Golang on the backend, with PostgreSQL as the data layer. You’ll collaborate with product...