Empleos de senior back-end javascript developer en Barcelona

Overview Senior Fullstack Developer role in Barcelona focusing on delivering scalable web applications. You will work across frontend (React) and backend (Node.js/NestJS) to build robust, cloud-enabled solutions. You’ll collaborate with cross-functional teams to deploy and maintain services on AWS, implement CI/CD with GitHub Actions, and ensure quality...

Overview As a Full Stack Developer at Caravelo, you will build scalable backend systems in a high-transaction fintech/traveltech environment while contributing to UI work when needed. You’ll design APIs, implement secure, modular services, and optimize data models for high availability. The role involves close collaboration with frontend teams, applying...

Overview As a Full Stack Developer at Caravelo, you will build scalable backend systems in a high-transaction fintech/traveltech environment while contributing to UI work when needed. You’ll design APIs, implement secure, modular services, and optimize data models for high availability. The role involves close collaboration with frontend teams, applying...

Senior II Full-Stack Engineer (back-end heavy) Employment Type Full time Location Type Hybrid We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it's creating real impact. We've just reached unicorn status with a $150M Series D,...

Overview As a Senior II Backend Engineer at Preply, you will shape the technical direction and drive cross-functional projects that power our global learning platform. You’ll build scalable backend services using Python/Django, integrate with third-party platforms, and mentor engineers across squads to improve performance and reliability. You’ll work...

At Q-tech, we collaborate with a German global leader in industrial automation, with around 20,000 employees in 60+ countries and a large B2 B e-commerce platform. Their new digital team in Barcelona owns the full digital marketing journey: CMS, DAM, CDP, marketing automation and analytics. All of it is connected to SAP and CRM through a. NET...

Overview As a Senior II Backend Engineer at Preply, you will shape the technical direction and drive cross-functional projects that power our global learning platform. You’ll build scalable backend services using Python/Django, integrate with third-party platforms, and mentor engineers across squads to improve performance and reliability. You’ll work...

Senior Frontend DeveloperReferencia: #12425Localización: BarcelonaOur client is a company in the aeronautical sector based in Barcelona at @22 and due to the expansion of its team we are looking for a Senior Frontend DeveloperRequirements:Angular Framework 16 (~4 years of experience)TypeScript, HTML, SASS (intermediate level)Experience with Angular Material...

At OneSpan, we specialize in digital identity and anti-fraud solutions that create exceptional and secure experiences.We are looking for an experienced Senior Backend Engineer to join our Barcelona-based backend team and drive product features from conception to production with customer value at the forefront. Our platform is built in Java using Spring Boot,...

Role Description We are looking for a Senior Backend Developer to join our IT Digital Marketing team within the Digital Sales Hub in Barcelona. In this role, you will design, build, and continuously improve backend services, APIs, databases, and integrations that support our digital marketing and sales capabilities. You will develop scalable, secure, and...

Overview In this role you will strengthen Preply’s CRM platform, delivering timely and relevant communications to millions of users. You’ll work in a cross-functional team to design scalable backend services and maintain React-based frontend surfaces, driving impact through experiments and reliable delivery. This position blends backend focus with...

Overview In this role you will strengthen Preply’s CRM platform, delivering timely and relevant communications to millions of users. You’ll work in a cross-functional team to design scalable backend services and maintain React-based frontend surfaces, driving impact through experiments and reliable delivery. This position blends backend focus with...

Wizeline ищет опытного разработчика приложений в Барселоне. Ваша задача — проектировать, строить и поддерживать масштабируемые REST API и микросервисы для платформ Content Services, разворачивать облачные...

About The Job Are you a passionate Java Developer looking for an exciting opportunity to work with cutting‑edge technologies and make a real impact? Join our team and be part of a dynamic environment where you'll work with Java, Spring Boot, and Agile methodologies to drive innovative solutions. With the chance to continuously learn and grow, this role...

A young technology company head-quartered in Singapore with an office in Barcelona and Dubai. As a Backend Developer at Touché, you'll collaborate with the development of a wide variety of amazing projects to build up our technical roadmap. You will use agile based methodologies, to understand our business initiatives and turn those into shippable...

is a tech-enabled services company powered by Entravision. We are a dynamic technology company building a high-availability offerwall platform that connects users with engaging opportunities. Our mission is to deliver seamless, high-quality experiences across web and mobile devices, and we're looking for a Senior Frontend Developer to join our dynamic...

Buscamos un/a Senior Frontend Developer para unirse al equipo de uno de nuestros clientes, un equipo enfocado en Cloud y tecnología avanzada. Diseñar la arquitectura y desarrollar nuevas funcionalidades de la plataforma. Mejorar y mantener las funcionalidades existentes. Impulsar la innovación tecnológica para lograr los objetivos del producto. ...

At OneSpan, we specialize in digital identity and anti-fraud solutions that create exceptional and secure experiences. We are looking for an experienced Senior Backend Engineer to join our Barcelona-based backend team and drive product features from conception to production with customer value at the forefront. Our platform is built in Java using Spring...

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. We’re building the AI-native GTM platform for modern B2B teams, combining prospecting, enrichment, intent signals, AI...

About the opportunity Banking 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...