Empleos de senior backend java engineer remote en Barcelona

Job DescriptionADP is hiring a Senior AI Engineer. Does the thought of working with one of the most comprehensive employment data sets excite you? Are you empathetic to client needs and inspired by transformation and impacting the lives of millions of people every day? Are you looking to join a dynamic, inclusive team environment with a culture of...

Talan Spain is seeking an experienced Backend Developer with strong Apache Spark and Scala expertise to join our digital transformation squad. You will design, develop and maintain robust backend solutions across the full development lifecycle in an Agile environment.Responsibilities include analysing user stories, implementing technical requirements,...

AI EngineerAs you contemplate your future, you might be asking yourself, " What's the next step?' Start your journey with us! We're seeking an experienced AI Engineer to join our Data Science team in Barcelona (Hybrid) to build the applications, and agents that put generative AI in front of over 20 million customers. You will be working with the DS, ML...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex technology solutions using our proven accelerators to create long-term competitive advantage.Our clients include the world’s leading...

Allianz Technology, headquartered in Munich, seeks a senior Java Developer to modernize legacy systems and build cloud-based insurance products. You will work with Java/J2EE, Spring Boot, and agile methods to deliver robust REST APIs and scalable solutions.The role offers a hybrid work model, international collaboration, ongoing learning, and involvement in...

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...

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...

Company DescriptionDevoteam es una consultora europea líder enfocada en estrategia digital, plataformas tecnológicas, ciberseguridad y transformación empresarial a través de la tecnología. La Tecnología está en nuestro ADN y creemos en ella como una palanca capaz de impulsar el cambio para mejorar, manteniendo un equilibrio que nos permite ofrecer a...

Senior AI EngineerIn Spain - Barcelona | Madrid Simon-Kucher is building up a central Data & AI function to enable employees with AI solutions and build central AI use cases that ensure that consultants work smarter and better. As a Senior Lead Applied AI Engineer, you will design, build, and operate production-grade internal AI applications that embed...

We’re TD SYNNEX, a leading IT distributor and solutions aggregator for the IT ecosystem. We’re 23,000 of the IT industry’s best and brightest, who share an unwavering passion for bringing compelling technology products, services, and solutions to the world. We’re an innovative partner that helps our customers maximize the value of IT investments,...

Ingram Micro is seeking an experienced Java backend engineer to design and develop cloud-native microservices. You will work on ecommerce-related services, service provisioning, and integration with the broader Ingram Micro Cloud portfolio, using Java, Spring Boot, and a modern stack.The role emphasizes scalable architecture, REST API design, and...

BLP is hiring ambitious engineers to design and build Delta, the core software that powers our platform. You will work on cloud infrastructure, backend systems, and applying the latest AI techniques to automate complex business processes. Our team values precision, formal reasoning, and rigorous testing to ensure correctness as we scale. We welcome...

Marfeel is looking for a Backend Engineer to join their team in Barcelona. You will design and maintain backend services, utilizing Node.js and various databases while ensuring high performance and scalability of applications. The ideal candidate will have over 5 years of experience with a solid understanding of API design and cloud deployments. Benefits...

Setexe International (SI) is seeking a Senior PHP Developer to design, develop, and maintain robust back-end systems and APIs powering web and mobile applications. You will translate business requirements into technical solutions, write clean PHP code, and implement object-oriented designs and best practices.Daily responsibilities include collaborating with...

Miratech is seeking a Senior Java Developer to join a European-focused project delivering customized software solutions for the public sector. You will join a 20+ person team building a tax administration system with Java backend, Angular frontend, and modern DevOps tools.You will work on design, implementation, testing, and deployment, collaborating with...

Elastic is seeking a Senior Java Developer to join the Elasticsearch team and drive work on the Inference API, including integration with external ML providers and self-hosted models. You will maintain the plugin framework and REST API, collaborating across teams to design scalable, reliable systems in a distributed environment. The role emphasizes code...

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...

Airalo is hiring a backend engineer to build and maintain scalable services for a global customer base. You will implement robust APIs, optimize database queries, and contribute to a modular, service-oriented architecture. The role requires 3-5 years in backend development with PHP, strong OOP knowledge, and experience with Laravel or Symfony. You will work...

Se busca profesional con al menos 4 años de experiencia en Java y 2 años en bases de datos (PostgreSQL, SQL Server, Oracle). Se valora experiencia en entornos críticos y nivel C1 de inglés. Trabajo remoto.