Empleos de backend engineer nodejs en Barcelona

MEDvidi is an AI-powered mental healthcare clinic setting a new standard for safe, effective, and scalable psychiatric care in the United States. We combine licensed providers with proprietary AI tools to deliver consistent, outcomes-driven treatment for conditions like ADHD, anxiety, depression, and more. MEDvidi's technology automates charting, follow-ups,...

MEDvidi is an AI-powered mental healthcare clinic setting a new standard for safe, effective, and scalable psychiatric care in the United States. We combine licensed providers with proprietary AI tools to deliver consistent, outcomes-driven treatment for conditions like ADHD, anxiety, depression, and more. MEDvidi's technology automates charting,...

About Exoticca Exoticca is a pioneering online travel agency that has revolutionized the conception, production, and e-commerce of long-distance dream trips. At the core of Exoticca's brand equity is the commitment to "creating life milestones." We believe in delivering best-value trips, exploring unique destinations, curating extraordinary travel...

~ Our engineering team builds next-generation, cloud-native bare-metal orchestration platforms for AI neo-cloud environments ~ We operate on a T-shaped engineering model: while each engineer brings deep expertise in a primary domain, every team member maintains practical fluency across neighboring systems ~ This shared foundation enables rigorous design...

* Full-time Company Description We're looking for a mid-level full-stack Software Engineer who's hungry to keep learning. Someone who writes code they're proud of, thrives in a team that genuinely has each other's backs, and wants to build products that actually matter. You'd be joining us in Barcelona, where we've built something special: a culture rooted...

Smadex is seeking a knowledgeable Software Engineer to tackle complex technical challenges within our real-time bidding platform in Barcelona. You will deliver high-quality features, participate in code reviews, and shape architecture in a fast-paced, learning-oriented environment. The role emphasizes collaboration, a "you build it, you run it" mindset,...

Join a cybersecurity company making the digital world safer, operating at the intersection of advanced research and real-world security in the B2G space. Their work tackles some of the most sophisticated challenges in cybersecurity with a team that genuinely cares about the mission, craft, and each other. The culture values creativity, mutual support, and...

About the Opportunity You will work in the Incentives team within the Grow & Engage domain. This is the heart of the customer experience ranging from the acquisition and signup to our premium membership tiers and the daily engagement of our users. You will work in teams delivering the newest and most innovative features serving our customers in the best...

The Role We are looking for a Backend Engineer to join a small, high-ownership engineering team working on new product initiatives. You will be primarily focused on new product initiatives, building new services and features, though you may occasionally need to navigate existing codebases. You use AI coding tools as a core part of how you work, and you...

Get AI-powered advice on this job and more exclusive features. ¿Le interesa este puesto? Puede encontrar toda la información relevante en la descripción a continuación. At the Würth Elektronik Group, we produce and sell electronic components such as printed circuit boards, electronic components, electromechanical elements and complete system...

Build the infrastructure that moves money. Ledgers, payment integrations, and APIs that power fintech businesses. About the role We're building the platform that lets anyone launch a fintech business. That means reliable ledgers, integrations with stablecoin infrastructure (USDC, Bridge), and APIs developers love to use. What you'll do Design and build...

Who we are: Marfeel is a publishing intelligence platform trusted by over 5,000 publishers worldwide: including Business Insider, Le Figaro, El País and McClatchy. We help publishers turn data into action: understanding what content is working right now, what has performed over time, and what to do next. Our platform gives editorial, SEO, audience, and...

REVER is a Barcelona based startup backed by Y-Combinator. REVER's mission is very ambitious: Change the way people buy by giving superpowers to shoppers. We are now obsessed on drastically improving the return experience both for the shopper and the e-commerce.The challenge is massive: We want to change a $2.5 Trillion industry. For that we have a lot of...

Who we are: Marfeel is a publishing intelligence platform trusted by over 5,000 publishers worldwide: including Business Insider, Le Figaro, El País and McClatchy. Recuerde revisar su CV antes de enviar la solicitud. Además, asegúrese de leer todos los requisitos relacionados con este puesto. We help publishers turn data into action: understanding what...

Sep 14, 2026 Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we've built the world's largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools...

Join a cybersecurity company making the digital world safer, operating at the intersection of advanced research and real-world security in the B2 G space. Their work tackles some of the most sophisticated challenges in cybersecurity with a team that genuinely cares about the mission, craft, and each other. The culture values creativity, mutual support, and...

Join to apply for theBackend Engineer (Typescript) (50K€-65K€)role atJoppyWe’re hiring aBackend Engineer for our client— someone who’ll own the backend systems that power our crypto and self‑custody platform. You’ll bring deep expertise in Go, TypeScript, RabbitMQ, and Kubernetes, paired with a passion for distributed systems, cryptography, and...

Millions of companies—from the world's largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global...

About the opportunity You will work in the Financial Empowerment domain. Our goal is to empower everyone to achieve financial freedom and unlock their potential for a better life by providing N26 users with access to the money they need to achieve their life objectives, whether today (deposits or borrowing) or tomorrow (saving and investing). In...

About the company Shalion is a data and insights-driven company that serves world-class manufacturers and brands globally. Through our Digital Shelf Optimization, Retail Media, and Food Service Aggregators solutions, we provide innovative tools for e-commerce monitoring. At Shalion, we empower brands to make smarter business decisions in eCommerce by...