Empleos de remote java backend engineer ai en Barcelona

Who we are:Marfeel is a publishing intelligence platform trusted by over 5,000 publishers worldwide: including Business Insider, Le Figaro, El País and McClatchy. We help publishers turn data into action: understanding what content is working right now, what has performed over time, and what to do next. Our platform gives editorial, SEO, audience, and...

We are seeking a Principal Java Engineer with more than 10 years of experience in designing and building Java applications with a proven track record of modernising legacy applications in regulated environments. In this role, you will drive cloud-based transformations, design microservices platforms, and mentor developers through complex technical...

Join one of Southern Europe's fastest-growing startups. Enginy is a Barcelona-based startup and one of Southern Europe's fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we're just getting started. We're building the AI-native GTM platform for modern B2B teams, combining prospecting, enrichment, intent signals, AI research and...

**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...

Join one of Southern Europe's fastest-growing startups Enginy is a Barcelona-based startup and one of Southern Europe's fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we're just getting started. We're building the AI-native GTM platform for modern B2 B teams, combining prospecting, enrichment, intent signals, AI research and...

Join to apply for the AI Platform Engineer / AI Infrastructure Engineer role at Axiomatic_AI About us Axiomatic_AI is dedicated to accelerating R&D by developing the next generation of Automated Interpretable Reasoning, a verifiably truthful AI model built for reasoning in science and engineering. We empower engineers in hardware design and Electronic Design...

Skills required .NET DevOps Docker Java Kotlin Spring Boot CI/CD SOLID Principles Domain Driven Design (DDD) Test Driven Development (TDD) Hexagonal Architecture Pair Programming Clean Code Languages Languages Advanced english Native spanish Location Location Remote Hybrid Barcelona, Spain Remote candidates must be living (or willing to live) in: Spain. We...

Overview In this Java-focused role, you will build clean, scalable software within a collaborative team that values people and growth. You’ll work with modern Java technologies and Spring ecosystems to deliver high-quality solutions for clients. You’ll engage in agile practices, contribute to architectural decisions, and help advance AI-powered features....

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Backend Engineer, AI Tooling based in Spain. This is a high-impact engineering role focused on building the platforms, tooling, and AI-powered capabilities that help engineering teams move faster without compromising...

Pluxee invites a Senior Backend Engineer to join the Payments Squad, building resilient, high-volume backend services for global money movements. You will own critical components, implement robust tests, and collaborate with frontend and product teams. You thrive in distributed systems, apply AI-assisted development, focus on data consistency, idempotency,...

Lead engineer for an AI platform, guiding architecture and delivering features on web/mobile. Works with founding team, mentors engineers, and has 5+ years of experience. Remote role with competitive salary and equity.

This is a highly technical role for an engineer who goes beyond frameworks and tools, with a strong understanding of distributed architectures, asynchronous messaging, low-latency systems java reactive programming (Vert.X, RxJava) and software design principles. You will have real influence over architecture and engineering standards, working in lean teams...

Tamarind Intelligence in Barcelona, Spain, is looking for a Senior Software Engineer (Java Spring Boot) to join a team building an authentication and authorization platform that centralizes login across applications within the Haufe ecosystem. You’ll work in a hybrid environment with 12 office days per quarter and up to 8 weeks of remote time,...

XpertDirect is seeking an AI Automation Engineer to design and implement intelligent workflows and AI assistants that connect LLM APIs with enterprise systems. You will operate at the intersection of AI engineering, backend development, and business automation, delivering practical automation that reduces manual tasks. The role emphasizes building...

Jobgether SRL in Spain is seeking a Senior Customer AI Engineer – Token Factory to bridge engineering, delivery, and customer success. You will guide PoC-to-production transitions, optimize AI workloads, and troubleshoot production challenges while ensuring reliability and cost efficiency.You will work closely with customer engineering teams, product, and...

At DATAPAO, data ignites passion, community fuels collaboration, and growth knows no bounds. We are a leading Data Engineering and AI consulting company backed by Databricks and recognized for our unmatched delivery standards and rapid growth. We have been named Databricks EMEA Emerging Business Partner of the Year (2024), achieved the Golden Tier status in...

Docplanner is hiring a Staff Engineer to set the technical direction for the Marketplace, guiding a large-scale migration from a PHP monolith to a monorepo with AI-assisted coding. You will own architecture, interfaces, and ensure the new platform serves multiple products with clean contracts. You will lead through AI-driven development, mentor engineers,...

Descripción del puesto / FuncionesBuscamos un/a AI Engineer para incorporarse al programa, participando en el desarrollo e implementación de soluciones de Inteligencia Artificial orientadas a entornos productivos.La persona seleccionada trabajará en estrecha colaboración con Data Scientists, AI Engineers y desarrolladores Frontend, contribuyendo al...

Dow Jones in Spain (Catalonia) seeks a Senior Software Engineer to design, build, and operate reliable backend services and APIs powering product experiences and internal tools.You will lead complex features, improve performance and observability, and collaborate with cross-functional teams.You will work with Java, Spring Boot, and Python; AWS, Linux, CI/CD;...

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...