Empleos de senior backend engineer scale en Madrid

Trading-21 is seeking Senior Backend Engineers to join Europe’s fastest-growing mobile broker. You will own backend solutions end to end within a microservices environment, translating complex problems into durable, production-ready services.Work across teams to design for performance, scale and data integrity. You’ll contribute to a modern stack (Java,...

ODOS Tech in Valencia is seeking a senior software engineer to ship features across APIs, data processing, and model services. You will participate in code reviews, help evolve deployment pipelines, and drive architecture decisions as the platform scales.Most of the team is early in their careers, so your guidance will shape how they learn. You bring 5–8...

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...

Trading 212 Ltd. is seeking a Senior Backend Engineer to own end-to-end backend solutions across a microservices landscape. You will design scalable services, ensure performance and data integrity, and collaborate with product and engineering to translate complex requirements into durable systems.You will work with Java 21 (Spring), Go, and Node.js...

Trading 212 Ltd. is seeking a Senior Backend Engineer to own end-to-end backend solutions across a microservices landscape. You will design scalable services, ensure performance and data integrity, and collaborate with product and engineering to translate complex requirements into durable systems.You will work with Java 21 (Spring), Go, and Node.js...

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 QA to...

Playtomic is seeking a Senior Backend Engineer for the Payments team in Madrid. You will develop and maintain APIs and services to enable smooth frontend-backend communication and integrate third-party payment gateways to ensure secure transactions. You will work with cross-functional teams to design innovative solutions, optimize payment processing, and...

Parser Limited, a boutique technology services firm, is seeking a Senior Backend Engineer to join our European team. You will design and scale JVM-based services with a focus on reliability, performance and testability.Work with a modern stack including Java 8+, Vert.X, Kafka, Groovy, Couchbase and Azure, in an Agile environment. You will translate...

About commercetools 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...

Titan Operating System, based in Barcelona, seeks a Senior Backend Engineer - Go to design, develop, and maintain scalable backend infrastructure powering our products and services. You will ensure security, reliability, and performance while integrating cutting-edge technologies to support growing user demand.You will collaborate with cross-functional...

Playtomic is seeking a Senior Backend Engineer for the Payments team in Madrid. You will develop and maintain APIs and services to enable smooth frontend-backend communication and integrate third-party payment gateways to ensure secure transactions. You will work with cross-functional teams to design innovative solutions, optimize payment processing, and...

Trading-21 is seeking Senior Backend Engineers to join Europe’s fastest-growing mobile broker. You will own backend solutions end to end within a microservices environment, translating complex problems into durable, production-ready services. Work across teams to design for performance, scale and data integrity. You’ll contribute to a modern stack (Java,...

Senior Backend Engineer to build and maintain distributed alerting systems and influence product features in an open-source culture.

Tecdata busca un Desarrollador Backend Senior especializado en Scala para un proyecto internacional de gran envergadura. La posición es 100% remota y ofrece la posibilidad de continuidad tras el proyecto inicial. Se requiere al menos 4 años de experiencia en desarrollo con Scala, sólidos conocimientos de herramientas como Play Framework, MySQL y...

Tecdata busca Senior Scala Backend Developers para unirse a un proyecto internacional en modalidad 100% teletrabajo. Los candidatos participarán en el desarrollo y evolución de una plataforma SaaS empresarial basada en tecnologías Scala y AWS. El rol implica desarrollo backend, diseño de APIs, optimización de consultas SQL, y colaboración en entornos...

Buscamos un Senior Backend Developer (Scala)Haga clic en "Solicitar" a continuación para enviar su candidatura. Asegúrese de que su CV está actualizado y de que ha leído primero las especificaciones del puesto.Descripción del puesto / Especificaciones del proyecto: Localización de Sage HCM para el Reino Unido, automatización de la implementación,...

TECDATA ENGINEERING busca un Senior Backend Developer (Scala) para trabajar en la localización de Sage HCM para el Reino Unido y automatización de despliegues, facturación y aprovisionamiento. Formarás parte de un equipo que corrige errores y atiende solicitudes de clientes de pago, con énfasis en rendimiento y escalabilidad. Se requieren sólidos...

Intellias is partnering with a Fortune 100 Midwest-based industrial manufacturer to modernize cloud-based services and data products used globally. The role is remote from Spain, requiring a 6-hour overlap with US Central Time.You will design, build, and deploy scalable backend services in production, leveraging Scala, Akka/Pekko, AWS, and event-driven...

Commercetools is seeking a Senior Search Engineer to join the Discovery Team to build the retrieval layer behind product discovery for leading ecommerce brands. You will enhance search across catalogs, enabling fast, cost-effective results in a scalable JVM backend.You will work on lexical, semantic, and hybrid retrieval with ElasticSearch/MongoDB,...

A fast-growing global programmatic exchange is seeking a Senior Scala Developer to design, implement, and maintain highly scalable backend services. The ideal candidate has solid hands-on experience with Scala and proficiency in SQL databases, particularly PostgreSQL. The role involves collaborating with cross-functional teams and contributing to system...