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

HCLTech is seeking a Backend Developer to design and implement robust backend services. You will work with APIs composition, Java tech stack and cloud-enabled pipelines in a fast-paced environment. Strong collaboration with teams across roles is essential, along with a focus on code quality and testing.Ideal candidates have extensive experience with JPA,...

Qualifyze seeks a Senior Backend Engineer to join the Engineering team, shaping backend architecture and delivering scalable services that support our global audit network. You’ll collaborate across product, DevOps, and design to translate requirements into robust solutions.The role offers a hybrid work model in Europe, with remote flexibility and a salary...

Bark is seeking a Senior Full Stack Engineer to join our Acquisition squad. You’ll work on Python backend and React/TypeScript frontend, shaping marketing tech that drives customer growth in a fully remote role based in Spain. You’ll collaborate with marketing, product and design, build AI-powered tooling, implement guardrails for live AI outputs, and...

Parallel Wireless seeks a Principal Systems Engineer (Technical SME) to provide senior technical leadership for U.S. DoW and Federal wireless solutions, including SDR/SDN-based networks and integrated sensing. You will shape O-RAN–driven 5G/6G strategies, lead complex proposals, and guide CONOPS development across multi-domain architectures. The role...

Lever, Inc. is seeking a Technical Support Engineer based in Spain. This remote-first role focuses on maintaining a cloud-commerce platform for large service providers. You will own customer-impacting incidents from investigation to resolution, working with developers, product teams, and account managers. The position requires 3+ years in technical/support...

A dynamic technology company is seeking a Senior QA Engineer to ensure the reliability of their SaaS applications. The role involves creating test strategies, performing code reviews, and collaborating with teams to enhance software quality. Ideal candidates have expertise in TypeScript and NodeJS and enjoy a flexible, remote work environment. Join a skilled...

Jobgether SRL is seeking a Technical Support Engineer based in Spain to own customer-impacting incidents from initial investigation through resolution, collaborating with developers, product teams and account managers. This remote-first role focuses on a cloud-commerce platform serving large service providers and distributors. You will diagnose issues using...

Pluxee España is hiring a Senior Backend Engineer to join the Payments Squad and build the engine that processes money globally. You will design resilient services, evolve architectures, and ensure high data integrity with extensive testing and observability.The role emphasizes technical leadership, collaboration with React/React Native teams, and a strong...

Talan is seeking a skilled Data Engineer to help build and scale a modern data platform using Databricks. You will drive reusable development patterns and contribute to the core data codebase under the guidance of the Central Platform Team. Remote-friendly role with full-time hours in the Spain time zone (CET/CEST) for a 9-month fixed-term contract. Strong...

Lever, Inc. is seeking an Azure Cloud Engineer based in Spain to manage Azure-hosted environments, ensure reliability, security, and scalability for an enterprise SaaS portfolio. You will automate infrastructure with Terraform, maintain CI/CD pipelines via GitHub Actions, and support containerized apps, databases, and AI services across dev, staging, and...

ShopFully is seeking a Software Engineer to join our Content Platform team. You will maintain FAdmin and related systems, delivering features end-to-end and supporting the service desk. You will work with AI-first tooling to accelerate delivery and ensure high-quality code. You will contribute to CI/CD pipelines and code reviews to keep production reliable....

Naphora Games Group is seeking a Senior Backend Engineer to design, build, operate, and scale robust backend systems and platforms. This fully remote role aligns with our Saudi working schedule (Sun–Thu, 9:*****:00 KSA time).You will work across backend services, databases, and integrations, focusing on reliable, scalable solutions that support large user...

Worldline is seeking a Web Development & DevOps Engineer to join our Studies and Development team in Madrid. You will design, develop, deploy, and maintain robust web applications, while driving AI-assisted productivity and code quality across development, infra, and cloud teams.You will work on Angular/TypeScript front-ends, Java/Spring Boot back-ends, and...

Ai Fi is seeking a Backend Software Engineer to optimize highly concurrent systems and scale our store operating systems from small to large venues. You will shape core backend microservices and collaborate with app developers and product managers to address real-world use cases and bottlenecks. Join a platform that enables real-time analytics and scalable...

Siemens Mobility in Valencia, Spain, is seeking a Backend Developer (m/f/d) for a DevOps team focused on Java microservices within the S3 Passenger suite. The role emphasizes performance, security, and scalable architectures in a hybrid remote/on-site setup. You will work with Java, Kotlin, Go, and infrastructure tools like Terraform and Kubernetes,...

GFT es una compañía pionera en transformación digital. Diseñamos soluciones de negocio centradas en la inteligencia artificial (AI-Centric), modernizamos infraestructuras de TI y desarrollamos sistemas core de nueva generación para líderes del sector bancario, asegurador e industrial. En estrecha colaboración con nuestros clientes, desafiamos los...

Senior Backend Engineer (Java & Microservicios)Impulsa la arquitectura backend del futuro con Java y sistemas distribuidosEn Initium Software conectamos al mejor talento técnico con los proyectos más desafiantes e innovadores del mercado. No somos una consultora tradicional; somos socios estratégicos que creemos en el impacto real a través de la...

Metrica España busca un/a Desarrollador/a Backend Senior Java para un proyecto tecnológico de gran envergadura, trabajando en servicios backend con Java y Spring Boot en entornos con legado y arquitectura basada en eventos. Formarás parte de un equipo internacional y colaborarás para la calidad, estabilidad y evolución técnica de soluciones críticas...

Pearson is seeking an autonomous Senior Software Developer to design and deliver backend solutions with AI integration for scalable digital products. You will work with cross-functional teams, mentor juniors, and drive best practices across the SDLC in a fast-moving, hybrid setup. The role emphasizes ownership, modern development practices, and collaboration...

ING is seeking a Software Engineer Backend to join the Spain team in Madrid. You will design, develop and test backend components, delivering production-ready software while upholding quality and performance standards. You will support production and collaborate to improve technical discipline across the squad. The role emphasizes Java 8/11/17, Spring,...