Empleos de senior full-stack engineer reactnode ts automations en madrid

German Sustainable Tech Unicorn in Madrid seeks a Senior Backend Engineer to own features from database to UI, bridging ESG data to end users.You will design robust microservices and serverless functions in Node.js/TypeScript, ensuring seamless data presentation for stakeholders.The role emphasizes data-driven decision making, collaboration with frontend...

Seeking a Senior Full Stack Java Engineer for a cross-functional team working on banking initiatives, involving the full development cycle and stakeholder interaction. Requires 7+ years in Java and 3+ years Full Stack.

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...

Taxfix is seeking a Senior Software Engineer to build core features for our flagship product, turning complex tax scenarios into simple, reliable experiences.You will work in a cross-functional team, owning end-to-end delivery from discovery to release while embracing AI-first software development.You'll contribute to scalable design and maintainable code,...

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.What This Opportunity InvolvesYou'll create challenging coding test...

Build and evolve payment infrastructure for an AI tech platform, focusing on billing, usage tracking, pricing, and payment processing. Modernize systems, integrate solutions, and ensure reliability for millions of users.

Max IT Consulting – Max Corporate Group is looking for a Senior AI-First Full-Stack Engineer to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector. The company operates a multi-sided marketplace used by hundreds of hospitals and care organizations across several European countries,...

Eleva AI is the AI agent operating system for physical venues: shopping centers, outlets, retail parks, airports, stadiums and leisure destinations.85% of consumer spending still happens offline, yet these places have no intelligent digital layer to talk to their visitors, sell to them and learn from them. We're building it. Our AI agents talk to...

Kodify in Barcelona is seeking a Senior Full-Stack Developer to help evolve a platform supporting nearly 100 million unique visitors monthly. You will have full responsibility for technical design, development, and testing in a fully remote position, fostering collaboration within a globally diverse team.The role offers a top-notch tech stack, flexible...

We are looking for aSenior Full-Stack / GenAI Engineerto join an international AI Products team working on the evolution of a secure, enterprise-grade GPT platform.You will contribute mainly to back-end development (around 90%), with occasional front-end contributions, building secure and scalable features for document understanding, translation, APIs,...

Vonage is seeking a Full Stack Software Engineer to join the Connectors Engineering team and help enhance Vonage Connectors Collection. You will develop both frontend and backend solutions, focusing on quality, fault tolerance and performance, gaining hands-on experience with real-time communications and event-driven systems. You will collaborate with...

Vonage is seeking a Full Stack Software Engineer in Madrid to advance the Connectors Engineering team, building and improving connectors and services. You will work on both frontend and backend features with a strong emphasis on reliability, performance, and fault tolerance, while gaining hands-on exposure to real-time communications and event-driven...

UST is seeking a Senior Full Stack Engineer to join a cross-functional DevOps‑oriented team in Madrid. You will design, develop, deploy, and monitor modern, secure, and scalable digital banking solutions for an international project. The role requires strong Java/Spring Boot and React expertise, RESTful APIs, Kubernetes, and experience in Agile...

Jobgether is seeking a Senior Full Stack Engineer in Spain to join a remote-first, product-focused team building SaaS for governance and business processes. You will develop features with F#, ASP.NET Core, React.js, and TypeScript, shaping architecture and product direction. You will own features end-to-end, collaborate across product and engineering, and...

About The RoleHTS Assist is Hopper's agentic AI assistant for travel, resolving flight changes, cancellations, refunds, and bookings over chat and voice for some of the world's largest travel brands. We're looking for a senior full stack engineer to anchor this product, owning the realtime and voice layer end to end while building across React/TypeScript...

BESTSECRET is the leading European online destination for premium and luxury off-price fashion. The Group offers its members in 27 countries across Europe a superior brand portfolio complemented by a high-end shopping experience. At the same time, BESTSECRET enables its brand partners to clear overstock at scale with minimum visibility and maximum brand...

Inno IT Consulting in Barcelona/Madrid is seeking a Senior Full-Stack / Gen AI Engineer to join an international AI products team, working on a secure, enterprise-grade GPT platform. You will primarily build back-end services using Node.js/Type Script, with additional front-end contributions in Next.js and React, and design APIs for scalable, compliant...

Location: Barcelona and surrounding area Working model: Hybrid – 4 days remote, 1 day per week in our Barcelona office Office: KPS Iberia, C/ Pau Claris 162–164, 08037 BarcelonaAbout KPSKPS is a global consulting and technology company delivering digital transformation and e-commerce solutions for leading international clients. Para presentar una...

Ticket Merchant, a fast-growing tech-driven live events company, seeks a Mid–Senior Backend Developer based in Spain or with strong preference for Spain. You’ll design, build, and scale high-performance backend services using Node.js and Next.js with TypeScript, while collaborating with product and data teams to deliver automation and data-driven...

SpainR&D – Engineering/Prod Dev /Full-Time /On-siteWho We Are: At Emburse, you’ll not just imagine the future – you’ll build it. Se pueden requerir diversas habilidades interpersonales y experiencia para el siguiente puesto. Por favor, asegúrese de consultar la descripción a continuación con atención. As a leader in expense intelligence, we...