Empleos de backend engineer php en Madrid

We are looking for an experienced Member of Technical Staff with deep expertise in backend engineering Role Summary We are looking for an experienced Staff Engineer with deep expertise in backend engineering, distributed systems, and scalable infrastructure design. As a core technical leader, you will influence strategic decisions, partner closely with the...

¿Te unes al reto? En BIP – xTech estamos buscando a gente con ganas de crecer, aprender y enfrentarse a proyectos tecnológicos de verdad: cloud, datos, IA, seguridad, automatización, DevSecOps, IoT, Industria 4.0… ¡Aquí no te vas a aburrir! ¿Qué harás? La forma de desarrollar software está cambiando. Herramientas como GitHub Copilot, Claude Code...

Parser Limited is seeking a Senior Backend Engineer to design and deliver scalable backend services. You will work with TypeScript, Node.js, Go, and AWS, building high-throughput microservices and real-time data pipelines for an AI-enabled product.You will design event-driven architectures, implement REST/gRPC APIs, and ensure robust observability. The role...

MAPFRE busca un desarrollador backend senior para diseñar y construir el backend inteligente de su plataforma de agentes IA, con foco en Python y una infraestructura cloud en AWS y Azure. Participarás en decisiones de diseño y implementación, asegurando escalabilidad y seguridad.El rol también implica mantener agentes de IA que generan y prueban...

SoftwareOne busca un/a Senior Backend Developer .NET para diseñar y desarrollar soluciones backend escalables que respalden la transformación digital en distintos sectores. Colaborarás con Arquitectura, Frontend, DevOps y negocio para entregar soluciones de alta calidad y con impacto real.Trabajarás en un entorno híbrido, participarás en la...

The Cocktail, consultora tecnológica líder, busca un/a AI Forward Deployed Engineer para diseñar e implementar soluciones basadas en modelos de lenguaje y agentes, conectando negocio y tecnología en entornos con Claude/Codex. Se valora experiencia en diseño de workflows, memoria contextual y documentación estructurada, trabajando de forma híbrida y...

A leading AI infrastructure company in Madrid seeks an experienced Staff Engineer specializing in backend engineering. The role involves architecting scalable systems for AI and ML workloads, leading feature development, and providing technical guidance. Ideal candidates have over 10 years of experience, strong skills in multiple programming languages, and a...

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...

NTT DATA Europe & Latam en Andalucía busca un Backend Developer Java para un proyecto estable en el sector bancario. Se valorará experiencia en Spring Boot, AWS, APIs y la capacidad de crecer técnico junto a un equipo sólido.La posición es híbrida: 2 días presenciales a la semana, con formación continua y certificaciones oficiales financiadas. Se...

Una empresa de tecnología busca incorporar un/a Backend Python Engineer para un proyecto freelance de 3 meses. Las funciones incluyen mantener y mejorar un servicio backend con FastAPI, desarrollar funcionalidades, y garantizar una buena arquitectura. Se requiere experiencia con Python, FastAPI y bases de datos relacionales como PostgreSQL. Esta posición...

Allianz invites a Senior Solutions Engineer to join the Data and AI Transformation Engineering team, building scalable backend platforms exposing AI capabilities as reliable services. The role focuses on API-driven systems on Kubernetes, combining AI components with deterministic logic for complex transformation use cases in a regulated financial services...

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...

ClickHouse is seeking a skilled software engineer to build AI-powered features across the full stack, from backend inference to intuitive frontend interfaces within the ClickHouse Cloud platform.You will create robust APIs, integrate AI/ML models, and maintain ecosystem integrations while ensuring production-grade quality with monitoring and observability. A...

A leading software development company in Barcelona is seeking a Senior Software Engineer (Python / Backend) to lead backend development and contribute to an AI-powered platform. Candidates should have over 4 years of experience in Python, strong problem-solving skills, and the ability to work independently. This role offers competitive USD-based...

Amazon is seeking a Software Development Engineer for the Ring team in Madrid, Spain. This role involves designing and documenting distributed systems, ensuring robust coding practices, and delivering solutions that provide customer value.Applicants should have a Bachelor's degree in computer science, experience with Java or a modern language, and a strong...

Alignerr is seeking a skilled Ruby Software Engineer to design, implement, and optimize backend services and APIs in a fully remote, hourly contract role. You will work on AI training data pipelines and production-grade code, collaborating asynchronously with researchers and engineers across time zones.The position emphasizes strong Ruby expertise,...

Kairós está buscando un Lead Backend Engineer para liderar la modernización de sistemas críticos y la migración de arquitecturas legacy. Serás el referente técnico, guiarás a ingenieros y definirás decisiones arquitectónicas transversalmente.Trabajarás con Java 21, Spring Boot, en entornos cloud (AWS/GCP) con IaC, CI/CD e integración de IA como...

BME | Bolsas y Mercados Españoles is seeking a Senior AI Backend Engineer to join the AI Engineering team. This role focuses on backend ownership, APIs, and integrations for AI productization in GenAI and Data Mining areas.The ideal candidate will have deep proficiency in Python, with experience in developing modern APIs and integrating LLMs into production...

Parser Limited is seeking a Senior Backend Engineer with strong MLOps expertise to join the Revenue Optimization ML team in Madrid. You will design, build, and maintain infrastructure powering ML solutions, manage data pipelines, and optimize compute resources for high-impact systems.You will work with data scientists to integrate models into production,...

Neara is looking for a Senior Software Engineer (Backend) to join our remote engineering team. You will design, build, and maintain backend services in Go and Python across a microservices architecture. Your role involves collaborating closely with clients and taking ownership of features from inception to deployment.The ideal candidate has 7+ years of...