Empleos de senior backend engineer java microservices remote en Barcelona

ASSA ABLOY Sicherheitstechnik GmbH is seeking a Go Backend Cloud Native Engineer for their Hospitality division. This remote position involves working closely with the R&D team to transition to microservices architecture, ensuring robust cloud-native applications.The ideal candidate will have at least 2 years of experience in a cloud-native environment, with...

Smart Working is a remote-first company seeking a Senior PHP/Symfony Engineer to own backend work for enterprise marketing and revenue data. The role involves Symfony 6.X with an upgrade to Symfony 7, Angular front end, and Python AI microservices, requiring strong architectural thinking and independence.Expect to work in a remote, cross-functional squad...

Keonn, part of Novanta, is seeking a skilled Java Developer to build applications for our RFID product portfolio. You will develop Java applications to enhance, debug, and optimize our current infrastructure while implementing new features to meet evolving market demands.The ideal candidate has a CS or software engineering degree, 5+ years of Java...

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...

Clarivate is seeking a Lead Software Engineer to join the Life Sciences team in Barcelona. You’ll design, build, and maintain scalable Java backend services within a microservices architecture for Pathfinder, a greenfield product aimed at delivering data-driven insights in life sciences.You’ll lead engineering best practices, mentor engineers, and...

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...

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...

Job ID: 31161202Posted: Posted 30+ Days AgoStart Date: 2026-09-08Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live...

Job ID: 31161202Posted: Posted 30+ Days AgoStart Date: 2026-09-08Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live...

SlashMobilitySlashMobility es una firma boutique tecnológica que está construyendo algo diferente a la consultoría tradicional. No queremos ser una fábrica de horas ni una consultora masiva. Estamos creando una casa para la Tecno Élite: profesionales que quieren trabajar con grandes corporaciones en retos reales, con equipos pequeños, muy buenos y con...

SlashMobilitySlashMobility es una firma boutique tecnológica que está construyendo algo diferente a la consultoría tradicional. No queremos ser una fábrica de horas ni una consultora masiva. Estamos creando una casa para la Tecno Élite: profesionales que quieren trabajar con grandes corporaciones en retos reales, con equipos pequeños, muy buenos y con...

Descripción del puestoEn The Whiteam Consulting buscamos un/a Backend Software Engineer, para participar en el diseño, desarrollo, mantenimiento y evolución de servicios backend y plataformas cloud-native, contribuyendo a la creación de soluciones escalables, fiables y de alta calidad. Formarás parte de un entorno tecnológico moderno basado en...

Upsun is seeking a Senior Software Engineer to design and build the backend services behind our billing stack, including invoices, taxes, usage reporting, and external integrations. You will own complex components end to end, driving reliability and security while collaborating with Finance, Product, and Support.This hands-on role requires Go expertise,...

Grafana Labs is hiring a Senior Software (Database) Engineer to help build the underlying storage system for a general purpose data platform. You will work on a SaaS-ready database layer with OLAP/OTLP capabilities, designed to run across cloud providers, with high autonomy and cross-functional collaboration.The role emphasizes pragmatic architecture...

MaxIT Consulting – Max Corporate Group is seeking a Senior Backend Engineer, Payments and Ledger to join a fast-growing fintech building banking, payments, and settlement infrastructure for US prediction markets and regulated gaming.This role centers on designing and operating backend systems that move money, with emphasis on data integrity, reliability,...

TechsBCN busca un Desarrollador Backend Blockchain para trabajar de forma remota. Serás clave en el diseño, desarrollo y mantenimiento de nuestras soluciones descentralizadas, incluyendo la arquitectura de contratos inteligentes, la integración con redes blockchain y la construcción de APIs seguras, escalables y eficientes.Colaborarás estrechamente con...

Krell Consulting & Training, S.L. busca un Backend Java Senior para trabajar con Java y Spring Boot, con experiencia en la arquitectura LRBA de BBVA.Se valorará haber trabajado en BBVA y en evolutivos dentro de la arquitectura del cliente; modalidad 100% remota yposibilidad de ubicaciones en España, incluida Murcia.El puesto ofrece trabajar en equipos...

We're here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new. Turns out refurbished tech is way better for the planet than new. From our Customer Care...

With more than 100,000 sensors deployed worldwide, Urbiotica is a leading player in the smart parking industry and a pioneer in the fast-growing Internet of Things sector. Through our end-to-end Smart City solutions, we actively contribute to the transformation of urban areas, helping build a more digital and sustainable environment for citizens. We're now...

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, accelerating our vision to transform education through human-led, AI-enhanced learning. As a...