Jobs for senior back-end javascript developer at Barcelona

About Workato Workato delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workato’s cloud-native architecture connects every application, data source, and process to...

Who we are We simplify wealth creation. Founded in 2014 in Vienna, Austria by Eric Demuth, Paul Klanschek and Christian Trummer, we’re here to help people trust themselves enough to build their financial freedom — for now and the future. Our user-friendly, trade-everything platform empowers both first-time investors and seasoned experts to invest in the...

Stripe is searching for a Senior Mobile Engineer to join their mobile engineering team in Barcelona. In this role, you will shape the React Native architecture and lead the development of high-performance mobile applications used by millions of merchants worldwide.Your responsibilities will include designing critical product features, mentoring engineers,...

About AirwallexAirwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 250,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business...

At SumUp, we build simple, affordable financial tools that empower over 4 million small businesses worldwide to get paid, manage their money, and thrive. We are a global team of 3,000+ people across 20+ offices and 90+ nationalities, all dedicated to supporting merchants with excellent products. As a Talent Acquisition team, we don't just fill seats. We care...

About UsAlmost every single thing that you eat, wear, or use (yes, even the screen you’re reading this on) is imported. Freight quite literally moves the world. And we’re helping it move even better.Freightos (Nasdaq: CRGO) is the global booking and payment platform for the trillion-dollar freight industry. Hundreds of airlines and ocean liners,...

The Role We are looking for a Technical Consultant to join our Customer Operations team, based in Barcelona, Spain. This role combines architecture thinking with hands‑on delivery, someone who can design solid integration and data solutions, build with AI tools, and stay accountable to the customer outcome through implementation. You will work across...

About usThink about literally anything in your house. Your shirt. Your phone. That random IKEA wrench thingamabob you still haven’t thrown away. Odds are, it all came from somewhere else. Freight is the invisible magic trick that makes the global economy work. And we’re the ones helping it work a little bit faster, smarter, and cheaper.Freightos...

The Position Report to: VP of Aizon Consulting Services. The Senior Artificial Intelligence Consultant will inspire our customers through technology, using their growing knowledge of Artificial Intelligence, Cloud Computing, and Software as a Service. Key Responsibilities Lead data analyses to solve business problems and help bring them to production by...

Wallapop is a Barcelona based scale-up driven by the purpose to empower people to embrace a more conscious and human way of consumption. We believe in a world where collaborative economy is mainstream. This is what drives us.Wallapop operates in Spain, Italy and Portugal, offering a catalogue of several hundreds of millions of products and services. Powered...

About the team We're a mobile engineering team based in Barcelona, focused on building world-class mobile applications that deliver excellent user experiences for Stripe merchants. React Native is at the core of how we build—it lets us move fast, share code across platforms, and ship high-quality experiences to millions of businesses worldwide without...

Proton, based in Barcelona, seeks a senior Android Engineer to craft privacy-first mobile experiences. You will develop high-quality Android apps using Kotlin and Jetpack Compose, collaborating with product, design and other engineers to shape architecture and deliver features end-to-end.Emphasis on performance, concurrency, memory management and offline...

About Proton 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...

Contentsquare is the all-in-one experience intelligence platform designed to be easily used by anyone who cares about digital journeys. With our flexible and scalable platform, organizations quickly get a deep understanding of their customers’ whole online journey. We are a global leader in the experience analytics space, with a growing presence across 15...

Who we are Aizon is a software-as-a-service provider that transforms manufacturing operations in life science industries using advanced analytics and artificial intelligence. We are a fast-growing company entering an exciting new stage of expansion, and we are looking for ambitious new team members who are motivated to directly impact our...

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⭐ Who we are Lodgify is a fast-growing scale-up company leading the vacation rental industry. Backed by $30M in funding, our platform empowers property owners and managers worldwide to efficiently manage and grow their business through technology. Headquartered in sunny Barcelona, we're now a team of 380+ people representing over 60...

About Us Canary Technologies is changing the game for hotels with modern software powered by Canary's hospitality-specific AI platform. Canary is utilized by 20,000 hoteliers in 100 countries to equip hoteliers with the technology they need to work smarter and wow their guests. Major hotel brands such as Wyndham, Marriott, IHG, Four Seasons,...

⭐ Who we are Lodgify is a fast-growing scale-up company leading the vacation rental industry. Backed by $30M in funding, our platform empowers property owners and managers worldwide to efficiently manage and grow their business through technology. Headquartered in sunny Barcelona, we're now a team of 380+ people representing over 60...

⭐ Who we are Lodgify is a fast-growing scale-up company leading the vacation rental industry. Backed by $30M in funding, our platform empowers property owners and managers worldwide to efficiently manage and grow their business through technology. Headquartered in sunny Barcelona, we're now a team of 380 people representing over 60...