Empleos de remote java backend engineer ai-driven microservices en Barcelona

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...

Senior Software Engineer (Backend) ABOUT LINGO Lingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live healthier, longer, fuller lives. Our systems process massive volumes of real‑time data, and the backend is the heartbeat that...

Java Architect - (Hybrid)As you contemplate your future, you might be asking yourself, what's the next step? Start your journey with us! We are looking for a backend architect to join the architecture team in charge of our systems. As one of Europe's top e-commerce sites, our platform serves millions of daily transactions in 40+ countries and has very...

Remote — European Union. Company based in Paris, France.Our client, a growing Enterprise AI company based in Paris, is looking for an AI Data Engineer to build the ingestion, transformation, and data-processing infrastructure behind production AI, enterprise search, and RAG applications.This is primarily a Data Engineering role in an AI environment. You...

Alignerr Corp. is seeking Back End Developers for a fully remote hourly contract in Madrid. Design, build, and optimize server-side systems and APIs powering AI products, including data pipelines and scalable microservices that handle real-world traffic.You will work with languages like Python, Go, Java, Node.Js, or Rust, and use AWS/GCP/Azure, PostgreSQL,...

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,...

Job ID: 31161202Posted: Posted 30+ Days AgoStart Date: 2026-09-08Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live...

Job ID: 31161202Posted: Posted 30+ Days AgoStart Date: 2026-09-08Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live...

Our Mission: Why Lighthouse? At Lighthouse, we're on a mission to revolutionize commercial strategy as hospitality's most powerful AI platform. We take the world's largest hotel data network and transform it into real-time intelligence that drives action. We don't just deliver insights; we empower businesses to make decisions that move revenue. With $370M...

We power people's progress. At Preply, we're all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it's creating real impact. We've just reached unicorn status with a $150M Series...

At Naphora Games Group, we're building more than games, we're building a global team of ambitious, driven people who are hungry to learn, experiment, and raise the bar for the next generation of games. We collaborate openly, move fast, and challenge ourselves every day to build better, smarter, and faster. Our goal is to create world-class games that players...

About Caravelo Airlines have spent decades selling one trip at a time. We build the technology behind airline subscription products used by carriers around the world, combining Saa S, payments, booking systems and airline integrations in one platform. Our Product & Platform teams build the common technology. Our Professional Services team makes it work in...

AI Engineer – Remote (Barcelona) | €100,000About the Role We are looking for a hands-on AI Engineer to own and evolve the core “brain” service that drives a cutting-edge AI product. This role spans architecture, development, optimization, and production operations of real-time, multi-agent LLM systems.Role Overview As an AI Engineer, you will design,...

Yuki & The Yuki Way Hi there, welcome to Yuki! As a vibrant, international IT scale‑up, we support accountants, businesses, and entrepreneurs in handling their accounting more efficiently, simply, and enjoyably. And to make that possible? Well, we’re looking for kick‑ass colleagues to complete our ambitious, cheerful, and lively team of top...

We are looking for a Lead Software Engineer – AI Product Development (Data) to join our AI Engineering team in Barcelona. This is an exciting opportunity to work on cutting-edge AI-powered software, building reliable, scalable solutions that leverage Python, cloud technologies (Azure/AWS), microservices, and LLM-based applications. You will be joining a...

Who we are: At Rover, pets and their people are at the heart of everything we do. We connect pet parents with trusted pet care across the U.S., Canada, Europe, and Australia. Headquartered in Seattle and Barcelona, we’re a values driven, fast-growing tech company focused on building safe and personalized experiences tailored to the needs of each unique...

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,...

About the opportunityYou will work in the Grow & Engage domain—the heart of the N26 experience. From initial signup to premium memberships and daily engagement, you'll work in teams delivering innovative features that serve our customers. We are seeking a Senior Backend Engineer with product-centric mindset to join our mission-driven team. As a vital...

We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it's creating real impact.We've just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. As a...

We are looking for a Lead Software Engineer - AI Product development to join our AI Engineering team in Barcelona. This is an exciting opportunity to work on cutting-edge AI-powered software, building reliable, scalable solutions that leverage Python, cloud technologies (Azure/AWS), microservices, and LLM-based applications. You will be joining a small,...