Empleos de senior java backend engineer remote en Madrid

Miratech, a global IT services and consulting company, is seeking a Senior Backend Engineer (Golang) to design and build scalable backend systems. You will develop distributed services, robust APIs, and event-driven architectures while ensuring performance and reliability. Occasional frontend work with React may be required. The role emphasizes API design,...

CNT Management Consulting is a leading SAP consulting firm, offering 100% flexible working time and home office options. The role focuses on SAP ABAP backend development, ABAP OO expertise, and collaboration with SAP UI5/Fiori and BTP teams on client projects across Europe and the USA.Ideal candidates bring 5+ years of SAP ABAP experience, strong consulting...

Ersilia is seeking a senior backend engineer to own critical systems and contribute to the roadmap. You will implement code, review it, test rigorously, and ensure reliability, performance, and correctness across production environments.Work autonomously with high ownership, collaborating with engineering and product teams while balancing risk and business...

Una empresa tecnológica en crecimiento en Majadahonda busca un Desarrollador/a Sr Backend con amplia experiencia en Python Django para liderar el desarrollo de su infraestructura backend. Se requiere un mínimo de 5 años de experiencia, habilidad para diseñar arquitecturas escalables y trabajar con Jira. El puesto permite trabajo híbrido y ofrece...

Grafana Labs in Spain is seeking a Senior Software (Database) Engineer to help build the underlying storage system for a general purpose data platform. The role emphasizes autonomy, architectural pragmatism, and the ability to evolve from prototype to production-grade SaaS.We value engineers who can design scalable, multi-tenant services while maintaining...

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...

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...

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...

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...

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...