Empleos de backend engineer php en Madrid

Jobgether is seeking a Principal Software Engineer (Backend) to join a fully remote engineering team. You will design, develop, and maintain scalable backend systems powering innovative products, collaborating with engineers to influence architecture and the development lifecycle.A proactive problem-solver with strong backend expertise is needed to drive...

ERNI Barcelona is seeking a senior backend software engineer to design, develop, and maintain a Python-based MCP backend that connects Knowledge Graphs with AI agents and cloud data platforms. You will optimize SPARQL queries and API performance, extend semantic model compilation capabilities, and ensure security, scalability, and reliable testing in a...

IKEA is seeking an Ad Tech Software Engineer (Backend) to join the Marketing Acquisition Team in Madrid. You will develop Ad Tech solutions, manage data transfers to paid media channels and collaborate with external partners for API integrations.You will design scalable data architectures and contribute to cloud-native, secure implementations in an Agile...

Salmon is a remote, Manila-time aligned fintech developer building a scalable payments platform for Southeast Asia. You’ll join a globally distributed team delivering JVM-based microservices and payment flows with a platform-first mindset.The role emphasizes resilience, DDD, eventual consistency, and integration with banks and PSPs. You’ll collaborate...

Oxigent Technologies busca un/a Senior Python Developer con ganas de aprender Go (Golang) para unirse a una multinacional líder en reacondicionamiento electrónico, en Barcelona (Poblenou). Participarás en la migración de Python a Go dentro de un entorno AWS, Kubernetes y microservicios, manteniendo estándares de calidad y prácticas TDD/DDD.Se valorará...

Titan Operating System S. L. (Titan OS) из Барселоны ищет Senior Backend Engineer для разработки масштабируемых серверных решений, поддержки API и баз данных. Вы будете работать с Rails, облаками и контейнерами, чтобы обеспечить...

Veriff is seeking a Senior Software Engineer to join the Trust team. You will build backend services that validate identity data against country-specific sources, expanding global coverage and ensuring reliable launches.You will model diverse upstream data, implement robust testing, monitoring, and on-call practices, and collaborate with Product, Compliance,...

Inetum Innovation ищет специалистов по разработке и внедрению AI-решений с глубоким опытом в Generative AI и облачных сервисах. Ваша работа будет включать создание масштабируемых backend‑API и интеграцию...

Scopely in Barcelona is seeking a Staff Backend Software Engineer to join an early-stage, unannounced MMO/Strategy project on a hybrid basis (3 days on site per week). You will lead backend feature development, collaborate with cross-functional teams, and mentor engineers.You will design scalable backend architecture, drive performance improvements, and...

A leading software provider in the automotive industry is looking for a seasoned backend engineer to join their remote team from Spain. You will develop and maintain Spring Boot services, work with event-driven architectures using AWS, and ensure secure API integrations. Ideal candidates have over 8 years of experience in backend development, particularly...

Immersum is seeking a Staff Full Stack Engineer to lead technical vision, architectural design, and execution across systems powering its energy-tech platform. You will build scalable backend infrastructure and deploy agentic workflows to accelerate growth.Key focus areas include Python-based services, AWS serverless architecture, and complex...

Semrush Development, S.L.U.Asegúrese de leer detenidamente la información sobre esta oportunidad antes de presentar su candidatura.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,...

Vortech PCI Group S. L. busca un Senior Backend Engineer especializado en. NET para un proyecto estratégico de modernización tecnológica en Madrid. Se valoran habilidades en microservicios, APIs REST, arquitecturas hexagonales y prácticas SOLID, con experiencia en entornos distribuidos y IA aplicada al desarrollo.La posición es híbrida y colabora con...

EPAM Systems Inc is seeking a Senior Software Engineer (Backend) for a fully remote engineering team. You will design, develop, and maintain scalable backend systems powering innovative products, collaborating with engineers, product managers, and designers to deliver high-quality software.You will mentor junior engineers, participate in architectural...

Tobeit está buscando un Desarrollador Backend Senior para un rol 100% remoto en España. La misión es diseñar, implementar y optimizar APIs escalables, manteniendo alto rendimiento y seguridad, con autonomía para afectar directamente el producto.El candidato debe tener experiencia sólida en Python/Java/Node.Js o Go, bases de datos SQL y NoSQL, y...

Rover is seeking a senior software engineer to join our Barcelona team. You will focus on backend development with Python and Django, building scalable services that power our AI-assisted workflows.With 7+ years of professional experience, you’ll contribute to design, testing, and code quality while collaborating with cross-functional teams. This...

Initium Software SL busca un Senior Java Backend Engineer para liderar el diseño de servicios distribuidos de alto rendimiento y tomar decisiones técnicas con criterio.Diseñarás, desarrollarás y operarás APIs REST con Java y Spring Boot, Kubernetes, Kafka y observabilidad, buscando excelencia en producción y disponibilidad.Ofrecemos modalidad 100%...

OKAPI: Orbits Gmb H in Barcelona is seeking a backend engineer to design and maintain scalable asynchronous microservice backends. You will work primarily on Python-based external projects and Java Spring Boot products, building robust systems that process orbital, telemetry, and mission data to power reliable APIs and automation.You will collaborate with...

A technology firm in Barcelona is seeking a Senior Java Backend Engineer for a long-term freelance project. The role involves building and optimizing backend services using Java and Spring Boot within a hybrid work model. Candidates should have over 7 years of Java development experience, strong expertise in microservices, and familiarity with cloud...

Aubay selecciona un/a Junior Software Engineer Backend (Java/Kotlin) híbrido para Esparraguera. Formarás parte de un equipo que desarrolla soluciones en un entorno de producción, aplicando prácticas modernas y trabajando con tecnologías clave del stack backend.Te incorporarás a un programa de mentoring y aprenderás a diseñar, probar y desplegar...