Backend Engineer

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...

Build the infrastructure that moves money. Ledgers, payment integrations, and APIs that power fintech businesses. Para presentar una candidatura, simplemente lea la siguiente descripción del puesto y asegúrese de adjuntar los documentos pertinentes. About the role We're building the platform that lets anyone launch a fintech business. That means reliable...

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...

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 are...

Join one of Southern Europe's fastest-growing startups Enginy is a Barcelona-based startup and one of Southern Europe's fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we're just getting started. Descubra si esta oportunidad es adecuada para usted leyendo toda la información que sigue a continuación. We're building the...

About the OpportunityYou will work in the Grow & Engagedomain, the heart of the customer experience, spanning everything from customer acquisition and onboarding to our premium membership tiers and the daily engagement of millions of users. Specifically, within theSubscriptionssegment, you'll help build and improve features that enable customers to discover,...

Who we areAbout StripeStripe is a financial infrastructure platform for businesses. 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...

Why this role mattersSiga leyendo para descubrir lo que necesitará para tener éxito en este puesto, incluyendo habilidades, cualificaciones y experiencia.JOIN helps thousands of businesses find the right people — faster, fairer, and with less friction. Our platform handles millions of candidate interactions, and our clients praise JOIN’s attention to...

Sep 14, 2026 ¿Tiene lo que se necesita para triunfar? La siguiente información debe ser leída atentamente por todos los candidatos.Join Proton and build a better internet where privacy is the defaultProton 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...