Empleos de senior java backend engineer remote en Barcelona

Lever, Inc. is seeking a Product Engineer based in Spain to join a fast-growing AI environment. You’ll own features from idea to release, shaping frontend with Next.js and backend with Django and PostgreSQL, and work directly with the founder to bring ideas into production. This role offers high autonomy, minimal meetings, and the chance to influence 3D...

Zartis is a digital solutions provider delivering technology strategy, software engineering, and product development across industries. You will join the API Platform team to build a high‑performance GraphQL API and an event gateway for global energy clients, working in a collaborative, agile environment. The role focuses on Scala backend development, IaC...

Lever, Inc. is seeking a Senior Software Engineer (Golang/TypeScript/React) for an independent contractor role based in Spain. You will develop backend Golang microservices and frontend UI with React and TypeScript, delivering scalable, data-intensive features. You will own features end-to-end, influence architecture, and drive improvements in performance,...

Ledn is seeking a Senior Security Engineer & CISO (Spain) to fortify our product, cloud, and software delivery security. You will lead hands-on security work across AWS, Cloudflare, and GitHub workflows, while also serving as the Ledn Spain entity’s CISO. The role requires collaboration with engineering, risk, and compliance teams in a regulated...

Lever, Inc. is seeking a Senior Software Engineer in Spain to build a data-intensive platform and own features end-to-end. You will design backend Go services and frontend React/TypeScript interfaces, collaborating with product managers and engineers to deliver scalable solutions. You will contribute to architecture, testing, and production deployment, while...

En GUAi Insurtech (Grupo Cuidacasa) usamos datos e inteligencia artificial para transformar la asistencia en el hogar y la gestión de siniestros. Tenemos agentes de IA propios en producción y buscamos un perfil senior que los haga más inteligentes, con mejor contexto (RAG) y mejores modelos predictivos (ML). Funciones • Diseñar y mejorar los sistemas...

We are looking forBackend engineering Leadwho will be responsible for theoverall backend ecosystemacross the organization, combining people leadership with ownership of backend architecture, standards, and delivery quality. This role ensures that backend development and architecture is consistent, scalable, and aligned with product, while growing backend...

Radley James collaborates with a major international financial organisation to recruit a Senior AI Platform Engineer who will build an enterprise platform supporting AI agents, tools and integrations. This hands-on role blends AWS engineering, Python development and technical leadership. You will translate architecture into production services, guide...

Lever, Inc. in Spain is seeking a Senior Product Design Engineer who will own core product surfaces end-to-end, blending design craft with engineering to build reusable frontend primitives and a scalable design system. You’ll work with AI-assisted tools and collaborate across product, design, and engineering to evolve a globally used scheduling platform....

FrontWell Solutions is seeking a Senior Solution Engineer to design, develop, and implement CMF solutions bridging client needs and technical capabilities. You will translate complex requirements into robust MES integrations and interfaces that boost efficiency and reliability. The role requires 5+ years in system development with C#/.NET, strong Angular/SQL...

Jobgether SRL is seeking a Senior Full Stack Engineer (NET/React) based in Spain to build scalable, secure, and high-performing applications across backend and frontend layers. You will work with .NET/C#, React, Redux, and JavaScript, shaping architecture and development practices, and contributing to cloud-based solutions on GCP with CI/CD. You will mentor...

Jobgether SRL in Spain is seeking a Senior Product Design Engineer to own core product experiences end to end, blending product design judgment with design engineering and building production-ready components for a globally used scheduling platform. You'll work at the intersection of product design, frontend engineering, and design systems, building reusable...

Jobgether SRL is seeking a Software Craftsperson/Typescript-II in Spain for remote, hands-on software engineering. You’ll own end-to-end delivery, design scalable backends, and build AI-powered workflows using LLMs and agentic tools. You’ll work with modern AI tech, mentorship, and robust engineering practices in a collaborative, remote-first...

Our mission and customers:We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot, based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75...

Desarrollador/a Backend Java MicroserviciosContract type: Indefinido¡Ampliamos nuestro equipo!¿Buscas un nuevo reto donde desarrollar tu carrera y aprender nuevas tecnologías?Entonces sigue leyendo porque esto te puede interesar.Scalian es una empresade más de ***** personascon una dimensión internacional, con oficinas en Europa y América del Norte....

Full-timeDescriptionPosition OverviewThe Senior Systems Engineer is a client-facing, hands-on technical role responsible for deploying and supporting high-value IT infrastructure projects for clients nationwide. This position reports directly to the Project Director and follows process direction from the Project Manager. When not traveling, the Senior...

ActioGlobal is seeking a proactive Frontend Engineer to join our boutique agency with global impact. You will learn under senior developers while modernizing our internal platform with Lit and Web Components, migrating features from a legacy system, and building reusable UI components from UX designs. You’ll write clean ESNext JavaScript, contribute to...

We are an international technology services company specialized in: IT: Banking, Insurance, Retail & E-Commerce, Healthcare Transport & Supply Chain: Rail, Automotive, Logistics, and Aerospace Manufacturing: Renewable Energy, Oil & Gas, and Utilities R&D: Research, innovation, and development of technology solutionsAt K-LAGAN, we focus on innovation,...

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. Ayudamos a grandes organizaciones a diseñar y construir productos digitales y plataformas tecnológicas que realmente mueven su negocio. No nos limitamos a ejecutar...

ISOLUTIONS in Barcelona is seeking a Senior Full Stack Developer to join an international team. You’ll work with C#, .NET, React and TypeScript in a hybrid setup from Barcelona, collaborating with teams in Switzerland to deliver high-value software. The role emphasizes design decisions, architectural discussions, and a strong focus on delivering business...