Empleos de remote senior backend java engineer en Barcelona

Jobgether SRL is seeking a Full-Stack Engineer with a Backend focus to help build foundational platform systems powering AI products. The role involves user management, workspaces, authentication, permissions, and resource access, with work spanning backend services to admin dashboards. You will own features end-to-end, collaborating with Product, Sales, and...

Buscamos un Ingeniero Backend y de Bases de Datos con al menos 4 años de experiencia en Java y 2 en bases de datos (PostgreSQL, SQL Server, Oracle), para unirse a una consultora internacional con oportunidades de crecimiento y formación.

Constructor.io is a distributed team hiring a backend-focused engineer for its Experiments platform. You’ll build Python services and data-heavy pipelines, with opportunities to contribute to the Dash UI and Spark/Databricks work, while prioritizing correctness and observability. You’ll own backend components for experiment assignment, logging, and...

FinTech Collective, LLC is seeking a Senior Software Engineer for the Core Platform team that runs a real-time payment ledger. You will work on how transfers are accepted, recorded and confirmed, with strong emphasis on correctness under high concurrency.You’ll own design, write tests, review code, profile performance, and lead cross-team initiatives such...

Stark Future SL is building the backend for AI-powered systems in a fast-moving environment near Sant Boi de Llobregat, Barcelona. You will own web service design, APIs and architecture for premium electric motorcycles’ web platforms. The role requires deep experience with distributed systems, Node.js/TypeScript, and CI/CD. You will collaborate with AI,...

HireHi в роли ведущего бэкенд-инженера разрабатывает backend-сервисы и REST API на C#/.NET, обеспечивает интеграцию между маркетинговыми и аналитическими платформами. Работа предполагает участие в...

Stark Future SL is seeking a Senior Backend Engineer to design, develop, and operate production web services that power our AI-enabled backend. You will own critical components and collaborate across product, AI, and operations teams in a fast-moving Barcelona-based environment. Join a ambitious team building premium electric motorcycles and a scalable...

Creative Fabrica in Barcelona seeks a Senior Backend Engineer (Go) to architect multimodal generation pipelines and design high-concurrency systems for AI workloads. You will build Go-based microservices, optimize distributed queues, and work with AWS, Kafka, SQS, and modern APIs to deliver fast, reliable creative tools to a global audience. You will...

Oxigent Technologies busca un/a Senior Python Developer con ganas de aprender Go (Golang) para unirse a una multinacional líder en reacondicionamiento electrónico, en Barcelona (Poblenou). Participarás en la migración de Python a Go dentro de un entorno AWS, Kubernetes y microservicios, manteniendo estándares de calidad y prácticas TDD/DDD. Se...

Conocimientos ClaveSpring Boot (Security, Data JPA, Cloud)SonarQubeAWSIntelliJ, GitHub, Jira, ConfluenceDescripción del puestoEn The Whiteam Consulting estamos buscando un/a Senior Java BackEnd Developer centrado en el desarrollo y soporte de los componentes backend de productos internacionales de alto impacto.El rol implica desarrollo backend avanzado,...

D Local is seeking a highly skilled Staff Engineer to join our Payments Performance team in Barcelona. You will design and evolve systems powering

Mambu Payments (formerly Numeral) is hiring Senior Backend Software Engineers to help build the next generation of

Affinity (CRM) in Barcelona is seeking a Senior Software Engineer to join the One Platform team and help drive the technical roadmap and implementation of Internal and External API layers, the 3rd party integration platform, and access management systems. The role is hub‑hybrid, with team members in-office 2 days per week, collaborating across engineering,...

Estamos buscando incorporar un/a Programador/a Senior Backend con sólida experiencia en Java y Spring Boot para participar en un proyecto de larga duración. Stack y conocimientos imprescindibles: * Desarrollo y consumo de APIs REST * Spring WebFlux, mínimo 1 año de experiencia * Testing con JUnit y Mockito, tanto unitario como de integración *...

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...

Descripción del puestoEn The Whiteam Consulting estamos buscando un/a Senior Java BackEnd Developer centrado en el desarrollo y soporte de los componentes backend de productos internacionales de alto impacto. El rol implica desarrollo backend avanzado, despliegue en entornos cloud, análisis en fases de integración y producción, revisión de código,...

Smadex is seeking a knowledgeable Software Engineer to tackle complex technical challenges within our real-time bidding platform in Barcelona. You will deliver high-quality features, participate in code reviews, and shape architecture in a fast-paced, learning-oriented environment.Si cree que es el candidato ideal para la siguiente oportunidad, envíe su...

Nutrient is seeking a backend engineer who designs with the database in mind, building fast data models and scalable systems for large document workloads. You’ll shape Elixir/Phoenix-based services, optimize PostgreSQL usage, and contribute AI-driven tooling to accelerate engineering tasks. Work is fully remote and async-first, offering ownership of...

Merlin Digital Partner is seeking a Senior Software Engineer (Python) to design backend systems, cloud infrastructure and APIs powering its connected health technologies. You will work closely with Product, AI, Embedded and Frontend teams to deliver scalable, reliable software across the stack. You will own architectural decisions, build robust APIs,...

Company: B. Braun Medical, S.A. U. Job Posting Location: Barcelona, Barcelona, Spain Functional Area: Information Technology Working Model: Hybrid Requisition ID: 13544Senior ERP Backend Engineer - Microsoft Dynamics 365 Finance & Supply Chain Management / ERP Platform1. Role PurposeThe Senior ERP Backend Engineer will design, build, extend, integrate, and...