Empleos de remote senior backend java engineer en Barcelona

Preply is seeking a Senior Full Stack Engineer for the CRM team to shape our communications platform and AI-native workflows.You'll own backend and frontend components, collaborating with product, data, and UX to deliver measurable customer impact.You'll work across Python/Django on the backend, React/TypeScript on the frontend, and with Braze-based email...

From internal tools to company-wide workflows, Noloco turns your data into a custom, AI-powered app your team will love to use. We empower teams running complex operations to create custom portals, such as internal tools, client portals, and CRMs. Changing the way small and medium-sized businesses grow and work together. Backed by Y Combinator, Frontline and...

Deporvillage is seeking a Data Engineer to join our fast-growing e-commerce team in Barcelona. You will design and maintain data pipelines, evolve our Data Lake and Data Warehouse, and work with a data team of Analysts and Scientists. You will apply Agile methods, use SQL and AWS big data tech, and collaborate across the business to deliver scalable...

Junior Java Software Engineer role in Barcelona, Spain. Responsibilities include designing and coding Java backend applications using test-driven development, ensuring code quality, participating in all development phases, delivering business value each sprint, translating high-level requirements into technical design, improving team processes, and...

Senior Java Software Developer (m/f/d) About the Job Are you a passionate Java developer looking to modernize critical systems and make a real impact? Join our growing hub in Spain at Allianz Technology and help us drive innovative solutions for the KLS (Kollektivleben System), our end-to-end industry solution for the Swiss Group Life business (BVG). In...

We're expanding the Backend Lead behind an AI-powered product built on modern LLM technologies.You will own the platform services domain, partnering closely with product and engineering to turn ambitious ideas into scalable, production-ready systems.Requirements 6+ years of experience building and shipping production software. 3+ years of hands-on experience...

Talan - Positive InnovationTalan is an international consulting group specializing in innovation and business transformation through technology.With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, future-ready solutions.Talan at a GlanceHeadquartered in Paris and operating globally, Talan combines...

Fledge is seeking a Staff Backend Engineer to join an elite AI platform team. You will serve as the technical architect, focusing on Python/Django backend development and scalable AI-native architectures to orchestrate autonomous recruitment workflows. You will collaborate with AI researchers, design robust systems for low latency, and mentor peers while...

Seeking a Software Engineer to build and maintain an AI assistant for geospatial analytics. Responsibilities include RAG pipelines, data ingestion, and optimizing for scale and speed.

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...

Grupo NS busca un/a QA Engineer con experiencia en automatización y conocimientos sólidos en FOREX para unirse a un proyecto tecnológico en un entorno Agile y squads. Modalidad remota, desde España.Participarás en la definición y ejecución de pruebas, así como en la automatización de procesos, trabajando principalmente con Java orientado a Backend....

3 days ago Be among the first 25 applicantsYOUR MISSIONWe are looking for an experienced Senior QA Engineer to elevate the quality, reliability and maintainability of our Saa S ecosystem of Node JS Microservices and React Web Applications. You'll work on test strategies, guidelines and implementations, and the monitoring thereof. For this you'll contribute...

Amaris Consulting in Barcelona is seeking a Senior AI Engineer to design, develop and operate scalable AI solutions on Azure. You will join multidisciplinary teams to deliver secure, cloud-based backend systems and APIs in an agile environment. You will mentor teammates, collaborate with data scientists and frontend developers, and help advance Generative AI...

Macadam is seeking a Senior Backend Developer to own the server-side infrastructure powering our app for millions of walkers. You will design robust APIs, optimize data models, and implement caching to ensure performance at scale.The role is based in Barcelona, with a hybrid culture and strong collaboration with mobile, product, and data teams. We value 6+...

Jobgether SRL invites a Senior Data Scientist to join a fully remote team based in Spain.You will build real-time, high-cardinality ML models, shaping both research and production deployment.You'll collaborate across data science and engineering to ship reliable services and influence data-driven culture.The role emphasizes advanced ML, backend integration,...

This position is fully remote anywhere in the United States. Ready to get off the IT machine and come be part of a team where you are more than a cog in the wheel? My IT Crew is the place where everyone gets a voice and new ideas are welcomed. Sound like this could be your new home? Keep reading…. My IT Crew has been a leader in the Managed Service...

Senior design engineer Perfil buscado (Hombre/Mujer) El/la Ingeniero/a de diseño se encargará del diseño y desarrollo de productos nuevos y sus objetivos serán: Desarrollar nuevos conceptos, principalmente con ventajas competitivas. Seguir el sistema de desarrollo APQP, AMFE. Gestionar la parte documental del producto o proyecto. Mantener una estrecha...

Experis IT, parte de Experis Manpower Group, busca un perfil de desarrollo Full Stack para proyectos en el sector bancario. Integrarás un equipo nuevo, trabajando desde fases iniciales y combinando Java en backend con Angular en frontend, en un entorno moderno y altamente tecnológico. Se valorará experiencia con Java 17, Spring Boot 3.x, TypeScript y...

Reference: 1129622Job ID: 5417508Posted: 2026-09-29Closing date: 2026-12-28Location: Barcelona - 4 remote work days per weekSalary: up to 50.000 euros gross anual (per annum)Job type: PermanentIndustry: Tecnología e Internet / TechnologyCompany: HaysConsultant: Anna GarrigaHays office: Barcelona — Hays Barcelona, Calle Valencia, 307-313, bajos 1ªPhone:...

Reference: 1129622Job ID: 5417508Posted: 2026-09-29Closing date: 2026-12-28Location: Barcelona - 4 remote work days per weekSalary: up to 50.000 euros gross anual (per annum)Job type: PermanentIndustry: Tecnología e Internet / TechnologyCompany: HaysConsultant: Anna GarrigaHays office: Barcelona — Hays Barcelona, Calle Valencia, 307-313, bajos 1ªPhone:...