Empleos de backend engineer nodejs en Barcelona

About the opportunityBanking Foundations domain mission for N26 is to provide secure and compliant banking services that are frictionless and innovative for customers, while enabling efficient operations and informed decision-making for our staff. We achieve this through robust customer identity verification, proactive risk management, and seamless customer...

Overview In this role you collaborate with the Tech Lead to architect and deliver new features for a secure, scalable digital banking platform. You design, build, test, deploy, and maintain software in a cloud-native environment, while mentoring peers to uphold high code quality. You’ll stay current with tech trends and share findings during Get Stuff Done...

Overview En Barcelona, una multinacional del sector moda busca un Backend Java con al menos 4 años de experiencia para desarrollar servicios orientados a microservicios, utilizando Spring Boot y Kafka. Integrarás con un equipo técnico y trabajarás en un entorno híbrido, con incorporación inmediata y una retribución acorde a tu experiencia. El rol...

Smadex is a cutting-edge ad-tech company: we process more than 4,5 million ad requests per second, replying under 100ms (for reference, the Google search engine handles ~76,000 QPS). Every day we generate several TBs of data that need to be processed, analyzed and aggregated, so our real-time components get smarter every day. If you are ready to boost your...

Apply for Backend Engineer (m/f/d) at Schwarz Corporate Solutions in Barcelona, CT, ES. This Full time on site position offers great opportunities for career growth.Location Calle Bergara 13 8002 BarcelonaEmployment Area IT - DevelopmentLevel Experienced professionalsWorking Model Full-timeReference ID 48326Schwarz Digits creates the technological foundation...

BCNC Group busca un Senior Backend Developer Java para participar desde el inicio en una nueva plataforma global orientada a optimizar procesos de logística y distribución. Diseñarás microservicios con Java 21 y Spring Boot y APIs basadas en API First.Trabajarás en un equipo ágil, influyendo en decisiones de diseño, arquitectura y evolución del...

SEREM Consultoría Empresarial busca un Backend Developer Java con experiencia para un proyecto en Barcelona, centrado en microservicios y APIs REST, en un entorno Agile/Scrum. Se valora integrar tecnologías frontend, principalmente Angular, y conocimientos de Kafka, MongoDB y Spring Boot.La posición es híbrida, con 1-2 días en oficina y el resto en...

SEREM Consultoría Empresarial busca un Backend Developer Java con experiencia para un proyecto en Barcelona, centrado en microservicios y APIs REST, en un entorno Agile/Scrum. Se valora integrar tecnologías frontend, principalmente Angular, y conocimientos de Kafka, MongoDB y Spring Boot.La posición es híbrida, con 1-2 días en oficina y el resto en...

Lingo in Barcelona seeks a Senior Software Engineer (Backend) to design, build, and optimize backend systems handling real-time biosensor data. You will develop scalable microservices, APIs, and event-driven integrations across cloud deployments, collaborating with Product, Platform/SRE, and Data/ML teams.You will mentor junior engineers, participate in...

Titan OS, a Barcelona-based technology company, seeks a Senior Backend Engineer to design, build, and maintain scalable backend services powering our leading applications. You will ensure security, reliability, and performance while collaborating with cross-functional teams.Ideal candidates bring 7+ years of backend experience, strong Ruby on Rails skills,...

A leading digital agency in Barcelona is seeking a skilled backend developer to design scalable systems and build powerful APIs leveraging Java and Spring Boot. The ideal candidate will have 5+ years in backend development, substantial experience with RESTful and GraphQL APIs, and hands-on skills in microservice architectures. The role offers a hybrid...

Are you ready to be inspired, challenged, motivated to do your best, and have fun while you're at it? We're on the lookout for a Senior Backend Cloud Engineer to join our team at Mimacom, where we play off each other's strengths to create exciting digital products for customers all over the world.We develop digital products that enable businesses to achieve...

Schwarz Digits creates the technological foundation for digital sovereignty in Europe. As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero. At the same time, we operate as an independent provider in the external market to...

Overview As Lead Engineer at N26, you shape high-availability microservices in Java/Kotlin with Spring Boot, enabling core internal operations. You work closely with product and engineering managers to align tech roadmaps and reduce technical debt, while driving delivery excellence and scalable architectures. You’ll integrate AI features to empower...

Overview As a Backend Engineer at N26, you will develop and maintain a Kotlin/Spring Boot-based microservices platform that powers secure, scalable digital banking services. You will work in cross-functional squads with high autonomy to deliver high-quality software and stay current with technology trends. You’ll contribute to safe, efficient operations...

Job ID: 31161202Company: Abbott LaboratoriesLocation: Spain - BarcelonaJob Type: Full timeCategory: Research & DevelopmentIndustry: HealthcarePosted Date: 2026-09-08Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced...

Overview In this role you will join a cross-functional team to deliver impactful learning experiences for tutors and learners at scale. You will shape backend and frontend engineering across Python/Django and React, drive architectural decisions, and mentor others to raise the engineering bar. You’ll apply data-driven methods to validate ideas, work with...

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 entire feature lifecycle, you will partner closely with Product Owners and Designers to translate...

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 used by...

Job Description:About the TeamOur Technology team drives the evolution of our Technology, Engineering, Data, Product and User Experience functions. With a keen focus on delivering cutting-edge solutions, we shape the digital landscape for our customers, readers and users. From revolutionizing visuals to optimizing tools and harnessing the power of data,...