Empleos de java backend senior en Barcelona

A technology recruitment firm is looking for a Senior Back-end Engineer with PHP expertise to develop and enhance

Randstad Digital España busca un Mid Backend Engineer para diseñar e implementar funcionalidades de principio a fin en un entorno de alta disponibilidad. Trabajarás con Java, Kotlin, REST APIs y una arquitectura event-driven usando RabbitMQ y AWS, manteniendo calidad mediante TDD/BDD y pipelines de CI/CD. Se valorará experiencia con IA (Claude Code,...

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...

Una empresa de tecnología en Barcelona busca un Programador/a de IA Generativa para desarrollar y mantener una plataforma interna. El candidato ideal tendrá experiencia en Java backend y APIs, y habilidades en Python para integrar LLMs. Se ofrecen salario competitivo entre 35.000 y 45.000 euros brutos anuales, horario flexible, y beneficios como cheque...

Overview¿Te motiva desarrollar aplicaciones web robustas y participar en proyectos con impacto real en el sector educativo en Barcelona?En Nunsys Group buscamos un/a Desarrollador/a de Software con experiencia en tecnologías Java para incorporarse a un proyecto estable y de largo recorrido en Barcelona. Si te motiva trabajar en entornos técnicos...

Our Culture An exciting aspect of joining a newly created business at this stage is the opportunity to be in from the start and help define the culture. Part of this role will be to help build the culture and environment in Madrid as we expand our footprint. There are things that we won’t compromise on though: * We are looking for exceptional talent with...

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. Para presentar una candidatura, simplemente lea la siguiente...

About Creative Fabrica Creative Fabrica is a fast-growing AI platform that makes it easy for everyday consumers to create whatever they imagine, from images and videos to audio and 3 D creations, using the latest generative AI models. About Creative Fabrica Creative Fabrica is a fast-growing AI platform that makes it easy for everyday consumers to create...

Barcelona, Spain · Full-time · Fully office-based€65,000–€85,000 gross per yearCandidates must already be based in Barcelona. Visa sponsorship is not available. Build the systems behind AI-powered email marketing. Migma is building an AI platform that creates and sends on-brand email campaigns end to end. We are a two-person founding team in...

Commit ищет опытного backend-разработчика для разработки и поддержки масштабируемых сервисов на Python в рамках архитектуры микросервисов. Вы будете проектировать и разворачивать облачные приложения на...

Proton is looking for an experienced backend-focused engineer to join The Foundation Team in Barcelona. You will work with PHP for API-related work and Rust for performance-critical components, owning libraries end-to-end from design to migration. You will help define architectural boundaries in a large monorepo, collaborate across product teams, and drive...

Emburse seeks a senior software engineer to advance our AI-powered, distributed platform. You will own and deliver software that integrates with microservices, APIs, queues, and containers, while enhancing product quality and maintainability. You will mentor teammates, contribute to architecture, and drive best-practice engineering across projects. Required...

Preply Inc. in Barcelona is seeking a Senior II Full-Stack Engineer (back-end heavy) to join a cross-functional team. You’ll design and evolve scalable back-end systems with Python/Django while contributing to frontend in React/Type Script, balancing immediate product needs with long-term sustainability. The role is hybrid, with about 85% back-end focus...

About the company Biorce is a pioneering Healthtech company dedicated to revolutionizing drug development through the power of AI. We are passionate about accelerating medical advancements and improving patient outcomes. Our team comprises seasoned clinical research professionals, data scientists, and AI experts, working collaboratively to bridge the gap...

New Relic is seeking a backend engineer to design, build, and operate JVM-based microservices (Java/Kotlin) powering massive telemetry pipelines and observability features. You will own services end-to-end, implement asynchronous patterns, and contribute to a scalable, resilient platform used by engineers globally. The role emphasizes strong collaboration,...

You will take ownership of a backend system that is critical to the company and our customers. You will have the opportunity to help define our roadmap and find the best technical solutions. You will also have time to run some experiments and bring new ideas to the table. Your responsibilities: Hands-on code implementation, code reviews, testing Ensure...

Seqera seeks a Senior Software Engineer to own the backend layer that turns computational capacity into configurable, billable services across AWS, Azure, GCP, Kubernetes, HPC schedulers, and GPU runs. You will shape an application layer that powers Seqera Intelligent Compute and its platform integrations. You’ll collaborate with product, platform, and...

Rain is looking for a Senior Software Engineer in EMEA. This remote position involves managing backend platform areas, including API integrations with 3rd-party vendors. The ideal candidate has at least 5 years of experience, is proficient in backend languages like Go and Python, and skilled in creating scalable, reliable systems. Responsibilities include...

Bsport is hiring for an Ops Eng engineer within the Platform Organization. You will own architecture and delivery of client onboarding and data migrations, and help scale deployments for our branded mobile apps. You’ll design internal tooling and libraries used across engineering, and drive decisions with a focus on scalability and developer experience. We...

We are bsport. The place to be!bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success.Since we launched in 2019, we have already achieved the following:We’ve built a community of over...