Empleos de senior java backend engineer remote en Madrid

Real innovation starts with a strong foundation, and at commercetools, that comes from the perfect balance of our product and our people.Behind every leap forward is a collective of builders, explorers, doers, makers, and problem-solvers.The kind of people who not only pioneered a more flexible approach to commerce architecture but also shaped the culture of...

About The CompanyScrambly is one of the fastest-growing adtech startups in the world, featured in the AppsFlyer Performance Index and Singular ROI Index in just 3.5 years. We’re growing 250%+ YoY across revenue, team, product, and technology - fully bootstrapped and profitable. We’re building the future of app discovery: a reward-powered alternative to...

Compañía consolidada del sector servicios, actualmente inmersa en un proceso de transformación digital, busca incorporar talento técnico para impulsar su estrategia de inteligencia artificial.El rolIncorporamos un/a Senior Backend AI Engineer para construir e integrar funcionalidades de IA en productos que ya están en producción y, cuando sea...

EnVermont Solutionsbuscamos un/aSenior Backend Developer con al menos 4 años de experienciapara desarrollar y mantener aplicaciones empresariales robustas, escalables y de alto rendimiento.ResponsabilidadesDiseñar, desarrollar y mantener servicios backend conJava y Spring Boot.Trabajar conPostgreSQL y MQ Seriesen soluciones de integración entre...

HBX Group is seeking a senior Backend Engineer to develop core functionalities for the CivitFun SaaS platform in the hospitality sector. You will work on integrations with external systems (PMS, payments, locks), architecture design, and cloud deployment from end-to-end. You will design and implement secure backend services with Node.js, collaborate on...

Empresaconfidencial busca un/a Senior Backend AI Engineer para impulsar IA en productos ya en producción y desarrollar nuevas soluciones desde cero. Diseñarás servicios backend en Python, construirás pipelines RAG y integrarás APIs de LLM en entornos productivos, asegurando observabilidad y rendimiento. Trabajo 100% remoto desde España, con autonomía...

Playtomic seeks a Senior Backend Engineer to build robust APIs and scalable services. You will own domain decisions in a pod, collaborating with product and frontend teams to ship secure, high-performance backend systems.Strong Java Spring Boot, API design, and distributed systems experience are essential, with a focus on production health and AI-assisted...

Quik Hire Staffing is seeking a Senior Software Engineer to design, develop, and maintain a platform serving global users. This full-time, remote role involves collaborating with cross-functional teams to deliver scalable, high-performance applications.Responsibilities include creating robust software, following best practices, and contributing to...

MediaMarktSaturn Plattform Services GmbH in Barcelona is seeking a senior backend developer to design, implement and operate scalable services for our Global Loyalty ecosystem. You will work with Kotlin, GCP, and modern DevOps practices to deliver reliable solutions that power millions of interactions across Europe.The role emphasizes event-driven...

Lever, Inc. is seeking a Senior Backend Engineer – Data Core for a partner company based in Spain. You will design and run data infrastructure powering a large-scale creator data platform, handling 400M+ creator profiles across Instagram, TikTok, and YouTube.This remote-first role emphasizes autonomy, end‑to‑end ownership, and cost-efficient, reliable...

T-Systems Iberia sucht einen Senior Backend Engineer, der zentrale Plattform-Services, API-Design und robuste Microservices für skalierbare KI-Infrastruktur entwickelt. Sie arbeiten eng mit ML-Infrastrukturteams zusammen und verantworten Sicherheit, Observability und CI/CD.Sie verfügen über umfangreiche Python-/API-Entwicklung, verteilte Systeme,...

A global consulting firm is looking for a skilled Backend Developer (Node.Js) based in Barcelona, Spain. In this role, you will design and develop scalable backend systems that support high-impact digital solutions for international clients. Ideal candidates have at least 5 years of software engineering experience and proficiency in Node.Js with Fastify. The...

Apipana.Io en Sevilla busca un Senior Software Engineer para diseñar y desarrollar soluciones backend escalables, robustas y mantenibles, asegurando altos estándares técnicos. Serás nexo entre engenharia y arquitectura del cliente, traduciendo requisitos de negocio en soluciones técnicas viables y liderando decisiones de diseño.Trabajarás con...

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right . Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by...

Senior Technical Recruiter @ Kake | Looking for Golang Engineers | Hiring GloballyAbout The Role We're looking for experienced Senior Golang Engineers to join our growing backend team. You’ll be working on scalable, high-impact systems that support millions of users across some of the world’s most innovative brands. This is a full-time position with a...

We are looking for aSenior Python Backend Engineerto increase the bandwidth on key backend and data-related projects as we modernize our platform within a fast-growing Fintech environment. This role is highly impactful: you will contribute evolving existing Python applications, help migrate legacy SQL Server processes to a modern Databricks-based...

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth:privacy is a fundamental human right . Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by...

The employer offerscrypto accounts for players in the gaming industry acting as wallet-as-a-service solution supporting multi-chain accounts, gas sponsorship, pop-upless blockchain interactions, and flexible ownership. The solution enables games to interact with on-chain assets easily and programmably, allowing for faster launches, adaptability as they grow,...

CrowdFarming® es el principal mercado tecnológico europeo de agricultor a consumidor. Estamos construyendo toda la tecnología y la logística para que los consumidores puedan acceder al mayor catálogo de agricultores ecológicos y regenerativos. Nuestra visión es construir la cadena de suministro de alimentos más sostenible para que los agricultores...

We are bsport. The place to be! bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success.Since we launched in 2019, we have already achieved the following:We’ve built a community of over...