Empleos de senior software engineer - full stack js en Valencia

Quik Hire Staffing is seeking a Senior Full Stack Engineer to design, develop and maintain full-stack applications remotely. The role involves collaborating with cross-functional teams to deliver scalable solutions and high-quality software across the stack. You will build RESTful APIs, microservices, and data architectures, write clean, well-documented...

Ebury helps ambitious businesses unlock global growth, and we take the same approach with our people. We encourage innovation and movement, collaboration and problem-solving, and foster an environment where everyone can feel they belong, are valued, supported and empowered to succeed. If you’re a collaborator who wants to help transform how businesses...

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...

Junior AI/ML Engineer (GenAI, AWS) Provectus is an AWS Premier Partner and an Anthropic Strategic Partner, working at the frontier of applied AI. We help enterprises turn Claude, agentic systems, and their own data into measurable business outcomes — through bespoke applications, managed services, and advisory engagements. With offices in North America,...

We’re looking for an ambitious full‑stack engineer focused on solving customer problems and building long‑term features at Ashby. At Ashby, you’ll own large portions of our product, drive end‑to‑end projects, write specs, make wireframes, and deliver high‑quality software that improves talent‑acquisition workflows. Responsibilities * Own and...

Bark is seeking a Senior Full Stack Engineer based in Spain for a fully remote role. You’ll own both frontend and backend work in the Acquisition domain, building scalable APIs and marketing tooling, including AI-powered internal tools to streamline campaigns and autonomous workflows. You’ll collaborate with marketing, product and design to ship...

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,...

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

bunch is building the backbone of private markets. We are enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services. If you value ownership, growth through real responsibility, and working with a thoughtful, ambitious team, this role might be for you. Your role...

ABOUT SINCH Sinch is pioneering the way the world communicates. More than 150,000 businesses — including Google, Uber, Paypal, Visa, Tinder, and many others — rely on Sinch's Customer Communications Cloud to power engaging customer experiences through mobile messaging, voice, and email. Whether you need to verify users or craft omnichannel campaigns,...

Senior Frontend Engineer We build and operate Connect, a SaaS platform for the beauty & wellness industry that helps entrepreneurs run their businesses more effectively. Our web products are used daily by tens of thousands of people across 13 European countries. Our teams own their areas from initial idea and design through deployment and operations. We...

About our client Our client builds a leading digital identity and fraud prevention platform used by banks, fintech companies, online marketplaces, and other regulated businesses worldwide. Their products combine biometric identity verification, document and image processing, and advanced fraud detection to help customers balance frictionless digital...

About Frontiers At Frontiers, our purpose is simple yet ambitious: to make science open. We believe open science empowers the global scientific community to accelerate discovery and develop the solutions needed for healthy lives on a healthy planet. We are one of the world’s largest and most influential open-access research publishers. Every article we...

At Pluxee, we shape the world of employee benefits and engagement by bringing to life a personalized and sustainable employee experience, at work and beyond. Join Cobee by Pluxee as a Senior Product Engineer and become a key contributor to our mission of revolutionizing employee compensation. You'll own features end-to-end — backend, frontend, and the...

Remote · Full Time · Individual Contributor · +8 Years of Experience Staff Engineer - Client Experience Who We Are Yuno is the AI-native operating system of global commerce, powering the financial infrastructure of enterprise merchants, banks, and wallets. Through a single API, Yuno connects them to pay-ins, payouts, fraud prevention, KYC/KYB, and...

Senior Full Stack Software Engineer (TypeScript / React) – AI & LLMs - Wizeline Wizeline•valència, comunidad valenciana, es¿Todo listo para enviar su solicitud? Asegúrese de comprender todas las responsabilidades y tareas asociadas a este puesto antes de continuar.Descripción del trabajoSenior Full Stack Software Engineer (TypeScript / React) – AI...

Actualmente buscamos incorporar Full Stack Developers para participar en un proyecto tecnológico de desarrollo de soluciones sobre arquitecturas cloud y plataformas de datos.Cualquier información adicional que necesite para este trabajo se encuentra en el texto a continuación. Asegúrese de leerla detenidamente y luego envíe su solicitud.Buscamos...

Location Barcelona (Hybrid / Flexible) Contract Type Contractor Full-Time / Enterprise Project Engagement About Xenon7 Where elite tech talent meets world-class opportunities! At Xenon7, we work with leading enterprise clients and innovative startups on high-impact projects across Data, AI, Cloud, and Software Engineering. Our expertise in AI solution...

Location Barcelona (Hybrid / Flexible) Contract Type Contractor Full-Time / Enterprise Project Engagement About Xenon7 Where elite tech talent meets world-class opportunities! At Xenon7, we work with leading enterprise clients and innovative startups on high-impact projects across Data, AI, Cloud, and Software Engineering. Our expertise in AI solution...