Empleos de senior java backend engineer remote en Barcelona

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...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a Backend Engineer based in Spain.Join a small, ambitious product team building technology that helps hundreds of thousands of users better understand and manage their finances.You'll play a key role in developing the central API and...

dLocal is seeking a highly skilled Staff Engineer to join our Payments Performance team in Barcelona. You will design and evolve systems powering payment routing, fraud prevention, and anomaly detection, building real-time decision tools and scalable architectures to optimize performance and cost. You will collaborate with cross-functional teams to ensure...

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. The role emphasizes collaboration, a "you build it, you run it" mindset, and...

Descripción del puesto En The Whiteam Consulting estamos buscando un/a Senior Backend Developer con sólida experiencia en Java, Spring Boot y Spring Batch, para participar en una iniciativa estratégica de transformación tecnológica orientada a la modernización de sistemas Mainframe. La persona seleccionada trabajará en la migración y evolución de...

TechsBCN está buscando un Desarrollador Backend Blockchain para un rol 100% remoto y totalmente enfocado en soluciones DeFi y Web3.Diseñarás, desarrollarás e implementarás contratos inteligentes y APIs seguras, trabajando junto a equipos de frontend y producto para lograr escalabilidad y rendimiento.Se requiere mínimo 2 años en blockchain, dominio de...

BarcelonaTech & Data – Backend /Full-time /RemoteOur 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 cultureputs customer satisfaction at the core of what we...

Airalo is seeking a Senior Backend Engineer to lead the evolution of our global platform, serving millions of users. You will design high-performance distributed systems, mentor engineers, and advance scalable architectures using PHP, Laravel or Symfony, and cloud-native patterns. You will work remotely from Spain with a focus on SOA, robust testing, and...

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,...

Factorial is seeking a Senior Software Engineer to join our Data Ops team. You will own the backend architecture of internal sales, invoicing, and billing applications, building resilient, scalable APIs and cloud workflows that power finance and customer experiences. You’ll collaborate with design and product, integrate

Jobtailor is seeking a skilled Backend/Frontend Engineer to design, develop, and maintain scalable backend services using Node.js and AWS. You will build cloud-native solutions with Lambda, DynamoDB, and event-driven architectures, delivering low-latency services for cross-functional teams. As part of a collaborative environment, you will participate in code...

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

HireHi in Barcelona is seeking an experienced backend engineer to own end-to-end delivery of product features, from requirements through production, ensuring quality and customer value. You will collaborate with product and technical teams to manage dependencies, mentor junior engineers, and contribute to architecture while raising engineering standards. The...

Sage is seeking a Senior Backend Developer to join our HCM localisation team based in Barcelona. In this hybrid role, you will design and maintain scalable backend services for our cloud-based enterprise product. Strong expertise in Scala, MySQL, and AWS is required. The candidate will work collaboratively to improve product performance and maintain robust...

Rover is looking for an experienced backend software engineer to join our Trust & Safety Engineering team in Barcelona. You will design, build, and maintain scalable backend systems, collaborate with product, design, data science, and frontend engineers, and apply AI-augmented workflows to shipping code. We value strong coding practices, ownership, and a...

A leading technology firm in Barcelona seeks a Senior Web Developer with at least eight years of experience in Microsoft technologies. You will be developing backend components and APIs while contributing to project improvements and best practices. The role offers hybrid working conditions, covering certifications, and various perks such as health insurance...

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...

SCI ServiClients in Barcelona is seeking a senior QA automation engineer to design, build and own automated test coverage for a cloud-based learning platform. You will focus on backend services, API testing and contract validation.The role involves OpenAPI, OAuth2 interactions, CI/CD in GitHub Actions, and running tests in containerised environments with...

Clarivate is seeking a Senior Software Engineer for AI Product Development to join the Cortellis CMC team in Barcelona. This permanent full-time role involves the design and implementation of backend services, with a focus on AI capabilities and scalability. Candidates should have a Bachelor’s degree in a related field and over 5 years of experience in...