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

Scrambly S.r.l. is seeking a Senior Backend Engineer to help build the core systems behind Scrambly. You’ll work on user-facing product systems and the internal platform, solving scalability challenges for a global, adtech product. You’ll design and maintain scalable Node.js/NestJS RESTful APIs, mentor engineers, and collaborate with Product, Design and...

Toshiba Global Commerce Solutions is seeking a hands‑on Software Engineer to contribute to the design, development, testing, and support of modern retail platforms and solutions.In this role, you will partner with senior engineers, architects, product teams, and technical leaders to deliver high‑quality software that meets client and business objectives....

Backend Developer (Java / Spring Boot / AWS) - Assisted ChannelsSpain | Hybrid in Madrid, Barcelona, Málaga or Logroño | Remote in the rest of the countryFull-timeAbout The RoleWe are looking for experienced Backend Developers specialized in Java and Spring Boot, with strong expertise in microservices architectures and cloud-native development in AWS...

Frontiers Media SA is seeking a Senior Full-Stack Engineer with a strong backend lean to join the team powering the Research Topic Management (RTM) platform. You will own complex backend systems and full-stack features end-to-end on a distributed .NET/Vue stack, delivering robust, production-grade software for researchers worldwide.You will collaborate with...

Flywire is seeking an Application Support Engineer II in Valencia to join our AI‑driven tech ecosystem. You will triage Tier‑2 bugs, read code for root causes, and collaborate with backend and frontend squads to stabilize the platform. You will apply AI tools to automate workflows, build scripts, and improve support infrastructure while translating...

Senior Software Engineer (Backend) 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 transforms...

Una empresa de software busca un Programador backend con al menos 3 años de experiencia en C#, Java o Golang. La posición ofrece trabajo 100% remoto en España y un rango salarial de 28-45K. Se valora el dominio del alemán y se requiere experiencia en el desarrollo de APIs REST, bases de datos y contenedores como Docker. Además, se ofrecen oportunidades...

Senior Software Engineer (Backend) 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 transforms...

At ING we are looking for a Software Backend EngineerYour role and work environment:We are looking for a talented and enthusiasticSoftware Engineer Backendto join us. Your key responsibilities:As an experiencedSoftware Engineer Backend , your aim will be: To design, develop and test the code that will shape the different components of the application,...

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...

AI-Driven Software Engineer (Node.js & C++) We offer you the opportunity to join the leading Spanish company in the IT sector, with more than 25 years of experience and one of the most solid track records as a provider of technological solutions for companies. We are a growing company with more than 400 employees and offices in Logroño, Madrid, Barcelona,...

UNIT4 NV in Spain is seeking an AI Engineer to design, build, and operate production-grade AI and GenAI solutions across the company. This hands-on role focuses on LLM apps, AI agents, RAG pipelines, and integrations with our enterprise platforms, with a strong emphasis on Microsoft Azure and Copilot. The position is remote (Spain only). You will implement...

Haddock is seeking a Product Engineer to own end-to-end product development, from ideation through deployment, with heavy AI tooling and data-driven workflows. You will design scalable architectures and collaborate across backend, frontend, and AI-enabled components to deliver outcomes for restaurant customers. Join a lean startup culture in Barcelona, with...

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...

Mindrift is seeking a part-time AI Workflow Engineer for the Tendem project in Spain. This remote freelance role focuses on designing and optimizing AI-driven workflows powered by LLMs. You'll collaborate with agents and leverage your expertise in prompt engineering, automation, and data structuring. Ideal candidates will have at least 3 years of relevant...

Your mission As a Senior Backend Engineer in the Payments team at Playtomic, you will be responsible for developing robust and scalable payments solutions for our product, ensuring high performance, consistent and secure transactions. What you’ll be doing Develop and maintain APIs and their services, enabling seamless communication between the frontend...

Bookboost is seeking a Data Engineer to design and build scalable data pipelines and the data infrastructure powering our frontend, analytics, and ML pipelines. You will own the data platform and collaborate with product and engineering to deliver end-to-end ingestion, transformation, and storage at large scale. Join a team that values ownership, creative...

Role Description We are looking for the very Top Talent…and we would be delighted if you were to join our team! More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital...

Experis España busca un Senior .NET Developer para un proyecto estable, 100% remoto desde España, con foco en IA y Azure. Se trabajará con .NET 8 o superior, APIs REST y entornos Azure, incluyendo Azure Entra ID. Ofrecemos contrato indefinido y oportunidades de crecimiento técnico.La banda salarial llega hasta 44.000 € brutos anuales, con retribución...

Job Description We are looking for anAI‑native engineerwith a strong software engineering mindset, capable of leveraging modern AI tools and practices across the entireSoftware Development Life Cycle (SDLC)— from requirements analysis and solution design to development, testing, deployment, monitoring, and continuous...