Empleos de senior java backend engineer en Barcelona

ð At K-LAGAN, we’re looking for talented people to keep growing with us!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,...

Join Amaris Consulting and work on payroll and human resources management platforms serving thousands of users worldwide. Be part of an international team, grow in an agile environment, and develop your career within a global group that values innovation, collaboration, and talent. As a Senior Java Developer, you will play a key role in the design,...

We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps...

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,...

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...

Adikteev is an AdTech company that helps mobile app publishers grow their revenue through targeted advertising. We deliver personalized ads that drive users to install an app or re‑engage with one they've stopped using. Our clients are mostly mobile gaming leaders but also span e‑commerce, on‑demand services, and entertainment apps. Recognized for 10+...

Allianz Technology in Barcelona is looking for a seasoned Java Developer to modernize legacy systems and develop innovative insurance products. Join a dynamic team leveraging Java, Spring Boot, and Agile methodologies to enhance business solutions. With a hybrid work model, enjoy benefits including healthcare, a company bonus scheme, and career development...

NPAW is the leading video intelligence company helping online streaming services grow. A global pioneer in its space, NPAW has over a decade of experience developing ground-breaking, scalable analytics solutions to optimize performance and user engagement, to build media experiences that maximize revenue. Its Suite of analytics apps provides advanced...

Dow Jones is seeking a Senior Machine Learning Engineer for its Barcelona-based Search team. You will design and build scalable search and recommendation systems powering content discovery for millions of readers in real time.The role sits at the intersection of backend engineering, data, and AI. You will collaborate with product, data science, and...

Senior Frontend Developer (Angular)Resumen del puestoDesde Experis buscamos un/a Senior Frontend Developer (Angular) para liderar el desarrollo frontend de aplicaciones complejas tipo ERP. La persona será el referente técnico del área, responsable de definir la arquitectura, asegurar la calidad del código y guiar al equipo en la evolución de las...

Senior Frontend Developer (Angular)Resumen del puestoDesde Experis buscamos un/a Senior Frontend Developer (Angular) para liderar el desarrollo frontend de aplicaciones complejas tipo ERP. La persona será el referente técnico del área, responsable de definir la arquitectura, asegurar la calidad del código y guiar al equipo en la evolución de las...

About SeqeraSeqera is on a mission to empower scientists and organizations to solve humanity’s biggest challenges through data-driven science. As the company behind Nextflow and the Seqera Platform, we enable global enterprises, biotech innovators, academic institutions, and public sector organizations to scale complex data workflows with...

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...

Adobe Commerce Senior Software Engineer (Technical Lead) Omega CRM Consulting is seeking an experienced Ecommerce Senior Software Engineer (Technical Lead) to collaborate with a top 15 global pharmaceutical company. The Senior Software Engineer will partner with business clients to identify needs and recommend innovative technology solutions aligned with the...

About SeqeraSeqera is on a mission to empower scientists and organizations to solve humanity’s biggest challenges through data-driven science. As the company behind Nextflow and the Seqera Platform, we enable global enterprises, biotech innovators, academic institutions, and public sector organizations to scale complex data workflows with...

Desde ISPROX colaboramos con una empresa de Consultoría IT. Reclutamos a un/a Java Tech Lead para incorporarse a un proyecto de alta complejidad técnica, con foco en arquitectura limpia, buenas prácticas de desarrollo y soluciones escalables.Buscamos una persona con experiencia liderando técnicamente equipos Java, capacidad para tomar decisiones de...

About the role The Senior Data Engineer will be responsible for designing, developing, and maintaining scalable data pipelines and architectures. The role involves working closely with data Owners, IT, analysts, and business stakeholders to ensure data availability, quality, and accessibility for analytics, reporting, and advanced data use cases. We are...

Alpega is the trusted execution platform shippers and carriers across Europerelyon to plan, procure, and execute road freight - every day, at the speed the industry demands. We are 450+ people across European offices, working in product, engineering, commercial, and the teams that keep partners connected. In 2026, Alpega was named a Challenger in the Gartner...

Oxigent Technologies busca un Senior Automation QA para unirse a un equipo en Barcelona. El rol implica impulsar la calidad a lo largo del ciclo de desarrollo, con enfoque en automatización, validación de backend y estrategias de QA para garantizar la fiabilidad de las releases.Se prioriza experiencia en QA Automation, Java, REST APIs y microservicios, con...

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...