Empleos de remote senior backend java engineer en madrid

Ciklum in Málaga, Spain, is seeking a Senior Python Engineer to join a cross-functional team building backend features. You will implement AI on the client's internal platform, support high-quality code, and collaborate across planning, development, testing, and deployment.The role emphasizes PostgreSQL design, Alembic migrations, and REST API work, with a...

Una empresa multinacional de servicios de tecnología busca un Técnico L2 Senior en Málaga.Este rol incluye la gestión de incidencias N2, análisis en bases de datos, y cumplimiento de estándares de calidad.Se requiere experiencia en Java/Spring, así como un nivel alto de inglés.Ofrece un entorno de trabajo híbrido, con beneficios sociales como seguro...

Factorial is seeking a Senior Software Engineer to join our Data Ops team. You will own the backend architecture of internal sales, invoicing, and billing applications, building resilient, scalable APIs and cloud workflows that power finance and customer experiences.You’ll collaborate with design and product, integrate payment platforms like Stripe or...

Nuitée is hiring Senior Product Engineers to join Connect, the heart of our platform. Connect unifies hotel supply into a single clean API that partners build on, enabling real-time pricing and inventory at scale.You’ll own the full lifecycle, move fast from idea to production, and ship iterations that matter with measurable impact on partner traffic and...

Supersonik seeks Senior Engineers to join our core team in Barcelona. You will tackle complex technical problems, shape product architecture from day one, and thrive in a fast-growing startup. You should be fluent in modern Python, async programming, and adept at building scalable, event-driven systems.You’ll work across frontend to infrastructure to...

Pleo is seeking a Senior Backend Engineer to join the Data Serving team that owns the production‑grade boundary between Pleo's raw product data and everyone who consumes it, including internal product teams, AI agents, and customers directly accessing their own data. This Senior Backend Engineer role builds and owns that boundary: APIs and the...

Shakers busca un/a Senior Backend Engineer especializado en Python para unirse a su unidad de producto como parte del equipo, trabajando en una modalidad freelance de alta disponibilidad.El rol implica construir servicios en Python con FastAPI, diseñar sistemas distribuidos basados en colas, gestionar PostgreSQL y colaborar con integraciones SaaS. Se...

Amphora Logistics busca un Backend Developer con Python para unirse al equipo de Atenea, nuestro software de gestión logística inteligente. Desarrollarás servicios backend, APIs y arquitecturas orientadas a eventos, trabajando en una plataforma cloud-native para miles de operaciones diarias. Trabajarás de forma cercana con producto y equipos...

FinTech Collective, LLC is seeking a Senior Software Engineer for the Core Platform team that runs a real-time payment ledger. You will work on how transfers are accepted, recorded and confirmed, with strong emphasis on correctness under high concurrency.You’ll own design, write tests, review code, profile performance, and lead cross-team initiatives such...

Preply is seeking a Senior Engineer to join the Engineering Team in Barcelona to develop backend features with Python/Django, and to build integrations with third-party vendors for an AI-enabled learning platform. You will collaborate with Product, Design, Data Analytics and Engineering to deliver high-quality features through CI/CD, maintain robust testing,...

RavenPack is seeking a Senior Software Engineer to design and build scalable AI-powered data workflows. You will partner with data scientists, product managers, and engineers to deliver high-performance backend systems and data pipelines.The role emphasizes API development, ETL/ELT pipelines, and cloud infrastructure on AWS, with a hybrid work model...

Jobtailor is seeking a skilled Backend/Frontend Engineer to design, develop, and maintain scalable backend services using Node.Js and AWS. You will build cloud-native solutions with Lambda, DynamoDB, and event-driven architectures, delivering low-latency services for cross-functional teams.As part of a collaborative environment, you will participate in code...

Playtomic is seeking a Senior Backend Engineer for the Payments team. You will develop robust payments solutions, maintain APIs, and work with third-party gateways to ensure secure, scalable transactions. A strong focus on performance and code quality is required. You will collaborate with cross-functional teams, drive API design, and help shape payment...

IFS in Madrid, MD, ES is seeking a Senior Software Engineer, AI Agents to build the AI-driven backend powering enterprise workflows on site in Madrid. You will develop the session and memory model, retrieval, and agentic flows for multi-step work. You will implement multi-tenant SaaS capabilities, ensure secure integration with API gateways, and optimize for...

Allianz Partners in Madrid is seeking a skilled Backend Engineer to join their Advanced Analytics team. The role offers a chance to build AI foundations and services, collaborating closely with cross-functional teams. The ideal candidate has over 5 years of backend engineering experience, proficiency in Python and cloud-native solutions with Docker and...

Semrush Development, S.L.U. is seeking a Senior Backend Developer to deliver enterprise BI dashboards. You will work across Python, Go, and SQL to ingest and present large-scale data with reliability and performance. You’ll build data pipelines, crawlers, and analytical workflows while deploying scalable services on Kubernetes.The role emphasizes proactive...

Capitole busca un/a Senior Backend Engineer con amplia experiencia para unirse al equipo en Barcelona. Desarrollarás el backend de la plataforma, creando APIs REST seguras e integraciones con sistemas internos y de terceros.Trabajarás con Node.Js/TypeScript, PostgreSQL y Redis, en una arquitectura API-first sobre Azure, con prácticas DevOps y seguridad...

Work Your Magic with us! Ready to explore, break barriers, and discover more? We know you’ve got big plans – so do we! Our colleagues across the globe love innovating with science and technology to enrich people’s lives with our solutions in Healthcare, Life Science, and Electronics. Together, we dream big and are passionate about caring for our rich...

Astek Iberia está buscando un/una Ingeniero/a de Software en C++ para colaborar con nuestro partner líder en el sector B2C IT travel a nivel global. Desarrollarás funcionalidades en soluciones de pago, en un entorno Cloud y con microservicios.Ofrecemos crecimiento profesional rodeado de especialistas IT, horario flexible, modalidad híbrida 50% remoto y...

Jobtailor is seeking a Senior Backend Stack Engineer to own the Translation Management System Platform and related services. You will steer architecture, reliability, and evolution across translation workflows, vendor and customer management, and multiple internal integrations. You will set scalable boundaries, document ADRs, design secure REST APIs, and...