Empleos de remote java backend engineer ai en Barcelona

Qonto is seeking a Backend Engineer to build the financial infrastructure that 600,000+ European SMEs depend on daily, from scalable APIs to real-time banking services.You will design, deploy, and maintain services, co-own architecture, and mentor engineers while embracing ownership and continuous improvement. Based in Barcelona, Spain, with the Qonto way of...

Join our expanding engineering team!We're actively recruiting a Senior Backend Engineer to help scale M-KOPA Mobility, our fast-growing e-mobility business.This is an initial 12-month Fixed Term Contract, with the potential to extend or transition into a permanent role.Build the event-driven microservices that power clean, affordable transport for riders and...

Partner Company is seeking a Backend Engineer based in Spain to join a small, autonomous product team. You will own the central API and backend services, focusing on Node.Js and TypeScript to power data, calculations, and core product experiences.You will design intuitive APIs, scale systems, and support MVPs through experiments, working in a fully remote,...

This job is with Allianz Commercial, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Role Purpose A key member of a team, responsible for designing, developing, and deploying AI solutions that drive business value. To develop and operationalize...

Bending Spoons is offering a role that blends high ambition with hands-on software development across AI-enabled projects. You will work in small, impact-focused teams and own end-to-end delivery, from idea through production and testing. The company emphasizes rapid learning, high standards, and a commitment to flexible work arrangements, including remote...

Alvatross busca un/a Desarrollador/a backend Senior con Java y Spring Boot para trabajar en proyectos OSS en el sector de telecomunicaciones. Participarás en arquitecturas de microservicios y en iniciativas internacionales, con acceso a formación y herramientas modernas.Trabajarás 100% remoto desde España, con horario flexible (entrada entre 8:00 y 9:00)...

Tendios, Inc. in Barcelona is seeking a Senior AI/ML Engineer to design the intelligence behind our SaaS platform for tender documentation. You will decide models, prototype in Python, and ship features into our Node.Js/NestJS/TypeScript stack, collaborating with the AI & Data squad. You will build AI architectures for extraction, classification and...

Sngular busca profesional para diseñar, mantener y escalar servicios con altos estándares de calidad en una organización tecnológica. Colaborarás con equipos multidisciplinares para impactar positivamente el negocio mediante ingeniería de software avanzada.Te ofrecemos proyectos con tecnologías punteras, crecimiento profesional y un Wellbeing Pack...

Leadtech Group is seeking a talented Full-Stack Developer to help build and scale AI-driven platforms. You will work across our technology stack to deliver seamless user experiences, joining projects with a shipping-fast approach and modern tools.The role involves developing frontend and backend features, integrating external services, and collaborating with...

Tether is seeking a Fullstack Engineer to help QVAC application teams develop, review, test, and deliver reliable software across desktop and mobile platforms. You will shape tooling, implement AI agents, and build developer tools within a global remote team, driving automation and quality.You will work with engineers to identify improvements, own them from...

Joko is seeking a senior software engineer to lead the engineering platform, reliability, and internal tooling. You will collaborate with product teams across Paris, Barcelona, and New York, ensuring scalable infrastructure as the company grows globally. You will drive CI/CD, security, and observability, mentoring others and shaping the platform roadmap....

Construo AG is seeking a data engineer specializing in AI-driven development to design and maintain data pipelines using AI agents to generate code. You will develop algorithms, analyze data, and validate AI outputs while owning data modeling and quality across cloud infrastructure. Ideal candidates have strong dbt/SQL experience on Databricks, Python...

- Senior Software Engineer - Finance DomainSenior Software Engineer - Finance Domain- Permanent- Full time- RemoteWe're looking for a Senior level Engineer to join in the Finance Domain.We want someone who will add positively to the team's culture, being fully remote and multi-cultural.Finance DomainFinance is one of the domains with the highest growth...

Mirantis is hiring a Senior Software Engineer to design and implement high‑density control planes for AI/ML workloads. You will code primarily in Rust, with Go as a secondary, and work on cloud‑native, Kubernetes‑based platforms. You will collaborate with a global team to deliver scalable, production‑grade software for datacenter networking, with...

Lifebit, based in Barcelona, is looking for a Data Engineer to enhance their infrastructure for complex data systems in the life sciences sector. This role requires technical leadership, mentorship of engineers, and the ability to convert scientific requirements into engineering tasks. The ideal candidate should have a master's degree and over five years of...

Parser is seeking a Staff Backend Engineer (Java) to join a strategic area of our systems. You will drive architecture, champion engineering standards, and deliver high-scale services with asynchronous messaging and low latency. You’ll work within lean teams and harness AI tools to enhance productivity and quality. You will shape decisions end-to-end, own...

Job Description At THEWHITEAM Consulting, we are looking for an experienced Senior Backend Engineer to join a technology project focused on modern backend development and distributed architectures. The ideal candidate will have extensive hands-on experience with Java, strong knowledge of microservices and Hexagonal Architecture, and practical experience with...

N-iX is seeking a Senior AI/ML Engineer to design, develop, and enhance AI-driven solutions within the Palantir Foundry and AIP ecosystem. You will own production-ready ML/LLM projects from business understanding through deployment and monitoring, collaborating with data engineers, analysts, and domain experts to build scalable AI solutions. Ideal candidates...

Lever, Inc., on behalf of a partner company, is seeking a Backend Engineer, PHP based in Spain to design, build and scale backend services within a large microservices ecosystem. You will own features end-to-end and contribute to architectural decisions in a fast-moving environment. You’ll work closely with frontend, mobile, design, data and platform...

Jobgether SRL, listed on behalf of a partner company, seeks a Senior Software Engineer (Node.js/Python) based in Spain to build backend and AI-enabled systems powering an innovative mobility platform. You will design, develop, and operate scalable web services and APIs using Node.js, TypeScript, and Python, owning architecture and working with AI engineers...