Empleos de senior backend engineer scale en Barcelona

Trading 212 Ltd. is seeking a Senior Backend Engineer to own end-to-end backend solutions across a microservices landscape. You will design scalable services, ensure performance and data integrity, and collaborate with product and engineering to translate complex requirements into durable systems.You will work with Java 21 (Spring), Go, and Node.js...

Scrambly S.r.l. is seeking a Senior Backend Engineer to help build the core systems behind Scrambly. You'll work on user-facing product systems and the internal platform, solving scalability challenges for a global, adtech product.You'll design and maintain scalable Node.js/NestJS RESTful APIs, mentor engineers, and collaborate with Product, Design and QA to...

Titan Operating System, based in Barcelona, seeks a Senior Backend Engineer - Go to design, develop, and maintain scalable backend infrastructure powering our products and services. You will ensure security, reliability, and performance while integrating cutting-edge technologies to support growing user demand. You will collaborate with cross-functional...

A fast-growing global programmatic exchange is seeking a Senior Scala Developer to design, implement, and maintain highly scalable backend services. The ideal candidate has solid hands-on experience with Scala and proficiency in SQL databases, particularly PostgreSQL. The role involves collaborating with cross-functional teams and contributing to system...

Sage is seeking a Senior Backend Developer to join our HCM localisation team based in Barcelona. In this hybrid role, you will design and maintain scalable backend services for our cloud-based enterprise product. Strong expertise in Scala, MySQL, and AWS is required. The candidate will work collaboratively to improve product performance and maintain robust...

Innovamat, una organización educativa con sede en Barcelona, busca un/a Senior Software Engineer con experiencia profunda en backend (5+ años) para liderar el desarrollo de aplicaciones complejas de principio a fin. Trabajarás en APIs y servicios que soportan la experiencia docente, diseñando soluciones y asegurando rendimiento y fiabilidad. Trabajarás...

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. You'll own the delivery side of our platform...

Enfint ищет инженера-программиста для работы над многомодульной архитектурой проекта Freenow by Lyft. Требуется опыт с Kotlin или Java, Spring Boot, микросервисами, мониторингом (Grafana, Datadog, Kibana) и очередями (Kafka, RabbitMQ)....

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...

Senior Backend Engineer - PaymentsAbout the opportunityYou will work in the Everyday Banking domain for the Payments team. This is where all payment and card transactions are being managed and processed by modern and high-volume systems that power the best customer experience possible. These teams make banking easy, reliable, seamless, and secure —...

Talan Spain is seeking an experienced Backend Developer with strong Apache Spark and Scala expertise to join our digital transformation squad. You will design, develop and maintain robust backend solutions across the full development lifecycle in an Agile environment.Responsibilities include analysing user stories, implementing technical requirements,...

FCC Medio Ambiente busca un/a Backend Senior en Barcelona para unirse a su equipo de desarrollo. El candidato participará en la evolución de los servicios backend de la plataforma Vision, trabajando en un entorno JVM (Scala) y cloud (AWS).Se requiere experiencia de 6-7 años, especialmente en tecnologías JVM y desarrollo de APIs. Ofrecemos un contrato...

**Make an impact with NTT DATA**Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion - it's a place where you can grow, belong and thrive.**Your day at NTT DATA**As a...

About the companyShalion is a data and insights-driven company that serves world-class manufacturers and brands globally. Through our Digital Shelf Optimization, Retail Media, and Food Service Aggregators solutions, we provide innovative tools for e-commerce monitoring.At Shalion, we empower brands to make smarter business decisions in eCommerce by...

¡Capitole sigue creciendo - y queremos que formes parte del viaje!Si le interesa solicitar este empleo, por favor, asegúrese de cumplir los siguientes requisitos que se enumeran a continuación.Estamos buscando un/a Senior Back End Engineer con +5 años de experiencia para unirse a nuestro increíble equipo.Funciones:Senior Backend Engineer (Node.js /...

Join the Fotocasa Group Tech Team as an Backend Engineer!We are Fotocasa Group, Spain’s real estate tech leaders.Now part of the Scout24 Group, we are stronger than ever. We are combining our local market expertise with the power of a leading European digital ecosystem. Our mission: to connect people and homes through intelligent tools and the best market...

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. You'll own the delivery side of our platform...

Macadam 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 grow,...

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...

Sage is looking for a Backend Developer to join our HCM Localisation engineering team in Barcelona. This hybrid role will focus on building scalable backend services with Scala 2.13 and Play Framework, optimizing performance and supporting complex product workflows.The ideal candidate will have strong experience with relational databases, AWS services, and...