Empleos de remote java backend engineer ai en Barcelona

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...

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...

The Whiteam Consulting busca un Senior Backend Developer con sólida experiencia en Java, Spring Boot y Spring Batch para liderar la modernización de sistemas mainframe. Trabajarás en la migración de procesos COBOL hacia arquitecturas Java modernas, aplicando herramientas de IA en el SDLC y automatización avanzada. El rol implica diseñar soluciones,...

Capitole busca un/a Ingeniero/a de Inteligencia Artificial especializado/a en Prompt Engineering para diseñar, optimizar y evaluar prompts avanzados que soporten generación de código, test y documentación técnica. Se trabajará con modelos como GPT, Claude, Gemini y LLaMA, desarrollando agentes de IA y flujos complejos. Se valorará experiencia en...

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...

**About Finom** Finom is a European tech startup headquartered in Amsterdam, and we’re on a journey towards revolutionizing the financial landscape for entrepreneurs worldwide. Our mission is to develop an all-in-one financial B2B solution that integrates banking functions, accounting, financial management, and invoicing into a seamless, mobile-first...

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...

Ingeniero de software backend con experiencia en IA, desarrollará aplicaciones limpias y eficientes, automatizará pruebas, liderará features de extremo a extremo y mejorará las prácticas de ingeniería con IA. Buscamos analítica, resolución de problemas y autonomía.

About the Team Hopper's Fintech Foundation team sits at the centre of the company's mission: reshaping how more than 100 million monthly active users experience travel. It owns the pricing engine that balances customer demand against financial risk across dozens of partners — including Capital One, Air Canada, and Spirit Airlines. As an ML engineer on this...

Our client is on a mission to harness the power of Artificial Intelligence for social impact. We are looking for a passionate Prompt Engineer to join their AI Innovation Lab. This role goes beyond technical excellence: it is about leveraging cutting-edge generative AI technologies to drive meaningful change in organizations, communities, and society. Para...

Shalion is seeking a Senior Backend Engineer to lead backend initiatives across multiple products and shape the technical roadmap. You will manage one backend engineer from day one and guide the team as it grows, balancing hands-on architecture with leadership responsibilities.The role emphasizes product-focused engineering, AI-enabled automation, and close...

Java Backend Developer | Microservicios | Barcelona ¿Te apasiona el desarrollo backend y las arquitecturas basadas en microservicios? Buscamos un/a Java Backend Developer para incorporarse a un proyecto tecnológico de largo recorrido, trabajando en un entorno internacional y con un stack moderno. ¿Cuál será tu misión? - Diseñar y desarrollar...

Traka (Assa Abloy) is looking for a Go Backend Cloud Native Engineer to join their Hospitality division. This role involves designing the transition from monolith to microservices and working on cloud-native applications within their R&D department.The ideal candidate has experience in backend development, API design, and Kubernetes. The position offers...

Intellias is partnering with a Fortune 100 Midwest-based industrial manufacturer to modernize cloud-based services and data products used globally. The role is remote from Spain, requiring a 6-hour overlap with US Central Time.You will design, build, and deploy scalable backend services in production, leveraging Scala, Akka/Pekko, AWS, and event-driven...

Buscamos un Backend Developer Java con sólida experiencia en desarrollo de aplicaciones y arquitecturas basadas en microservicios para incorporarse a un proyecto del sector seguros en Barcelona. Se valorará especialmente la capacidad para trabajar también con tecnologías frontend, principalmente Angular. Funciones principalesDiseñar soluciones técnicas...

Maisa is seeking a backend-focused software engineer to design, build, and maintain scalable services in Go and Python within a microservices architecture deployed on Kubernetes. You will own features end-to-end, collaborating with client-facing teams to translate requirements into reliable solutions. The role requires 3–7+ years of backend experience,...

Buscamos un Backend Developer Java con sólida experiencia en desarrollo de aplicaciones y arquitecturas basadas en microservicios para incorporarse a un proyecto del sector seguros en Barcelona. Se valorará especialmente la capacidad para trabajar también con tecnologías frontend, principalmente Angular.Funciones principalesDiseñar soluciones técnicas...

The RoleWe are looking for a Backend Engineer to join a small, high-ownership engineering team working on new product initiatives. You will be primarily focused on new product initiatives, building new services and features, though you may occasionally need to navigate existing codebases. You use AI coding tools as a core part of how you work, and you are...

1Password is hiring a Sr Enterprise Systems Engineer, AI Productivity, to design, maintain, and scale secure AI and automation solutions across the company.The role partners with both technical and non?technical stakeholders to identify workflow challenges and deliver practical, scalable improvements.Reporting to the Manager, Enterprise Tools, this US?based...

Darwin Recruitment is seeking a freelance AI/Atlassian Rovo consultant to deliver hands-on Rovo agents in a live enterprise environment.You will design, build and roll out agents, advise on tool fit, and drive adoption and governance across the business.The role requires strong Jira/Confluence administration, experience with GPT/Claude-style tools, and...