Empleos de backend engineer en Barcelona

About Air AppsAt Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with offices...

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...

About the OpportunityYou 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 way...

Location: Come and join us in Barcelona!We are looking for a talented and motivated Backend Engineer (m/f/d) for our Driver Engagement Team.As part of a highly skilled, cross-functional team comprising Mobile Engineers, Backend Engineers, a Product Manager, a Product Designer, a Data Analyst, and an Engineering Manager, you will help shape the future of...

  Who We Are WhereTo is a business travel startup from San Francisco that evolved into an agile development and design studio within the Flight Centre family. We build travel solutions used by some of the largest companies on the planet - we have just one goal: making business travel better for everybody. WhereTo provides an AI-powered travel platform for...

Flanks is looking for a Backend Engineer to design and maintain the data pipelines and backend services powering their Open Wealth Platform. Health insurance, 50% subsidised digital canteen, yearly training budget, birthday day off A little bit about Flanks Flanks is shaking up the wealth management industry by making it simpler and way more efficient for...

Location: Come and join us in Barcelona! We are looking for a talented and motivated Backend Engineer (m/f/d) for our Driver Engagement Team. As part of a highly skilled, cross-functional team comprising Mobile Engineers, Backend Engineers, a Product Manager, a Product Designer, a Data Analyst, and an Engineering Manager, you will help shape the future of...

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...

Backend Engineer – Python / FastAPI / LLM Pipelines | 100% Remote We are looking for an experienced Backend Engineer to join an international technology project focused on building an intelligent platform that combines Python backend development, APIs, LLM-based agentic workflows and large-scale data processing . Location: Spain Work model: 100%...

Backend Engineer – Python / FastAPI / LLM Pipelines | 100% Remote We are looking for an experienced Backend Engineer to join an international technology project focused on building an intelligent platform that combines Python backend development, APIs, LLM-based agentic workflows and large-scale data processing . Location: Spain Work model: 100%...

Barcelona, SpainOLX – Data Science and Analytics /Full-time /RemoteJOIN OLX GENERATIVE AI INNOVATION ENGINEERING TEAM Note: This role is based in Spain.We are looking for a mid-level Backend Engineer to join our Generative AI Innovation team and help drive AI innovation at OLX.Our team is at the forefront of GenAI-powered solutions, developing cutting-edge...

Why this role matters 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 detail and unmatched user experience. We’re looking for a Backend Engineer to join our established engineering hub in Spain. You’ll...

About the OpportunityYou will work in the Grow & Engage domain, 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 the Subscriptions segment, you'll help build and improve features that enable customers to...

About the opportunityYou will work in the Grow & Engage domain—the heart of the N26 experience. From initial signup to premium memberships and daily engagement, you’ll work in teams delivering innovative features that serve our customers.We are seeking a collaborative Backend Engineer to join our mission-driven team. As a vital contributor throughout the...

Job-ID: ae870eab-d696-4af8-bd00-88922247130aReference: J-4332Location: Barcelona, SpainJob type: Permanent, HybridSalary: Up to EUR 56,000Category: Java, Spring MVC, Spring BootStack: Java, Spring, SpringbootContact: david.carbonell@akuaro.com, ignacio@akuaro.comFormarás parte de un equipo técnico que desarrolla soluciones backend enfocadas en plataformas...

Flanks is looking for a Backend Engineer to design and maintain the data pipelines and backend services powering their Open Wealth Platform. Health insurance, 50% subsidised digital canteen, yearly training budget, birthday day off A little bit about Flanks Flanks is shaking up the wealth management industry by making it simpler and way more efficient for...

En CAPITOLE, ¡seguimos creciendo y queremos hacerlo contigo!Descripción del puestoEstamos buscando un/aSenior Python Developerpara incorporarse a un equipo de ingeniería que desarrolla aplicaciones backend escalables y sistemas distribuidos de alto rendimiento. Buscamos un perfil con fuerte experiencia en arquitectura de microservicios, procesamiento de...

WHO WE AREMacadam is a movement powered by over 15 million users who walk every day with us. We're here to make walking more rewarding, engaging, and consistent - not just a habit, but something people genuinely enjoy.Rooted in thoughtful design, our approach helps people stick with healthier routines by making them feel simple, motivating, and fun. As we...

About the opportunityYou will work in the Everyday Banking domain, within the Payments Team. This is where all payment and card transactions are being managed and processed by modern & high-volume systems that power the best customer experience possible. These teams make banking easy, reliable, seamless and secure - everyday for every customer.This is a...