Empleos de senior backend engineer python en Madrid

Flexcompute is leading the transformation of engineering simulation with our revolutionary ultra-fast simulation technology. Our flagship products, including the industry-leading Computational Fluid Dynamics (CFD) software Flow360 and electromagnetic simulation software Tidy3D, are reshaping how simulations are conducted across diverse sectors. Founded by...

Join our expanding engineering team! We're hiring a permanent Senior Backend Engineer to join our Asset Sales group as we scale one of the most important parts of M-KOPA's FinTech platform. Build distributed, event-driven microservices and help shape what AI-native engineering looks like at M-KOPA. The Impact Your code will directly power the systems that...

JOIN KLEO AND BUILD THE FINANCING INFRASTRUCTURE FOR EUROPE'S COMPANIES Kleo ( is an AI-native platform that helps compaies find, match, manage, and monitor their entire financing stack: public grants, bank lending and private capital, through automated, end-to-end workflows. We replace a process that has traditionally depended on slow, manual,...

Senior Fullstack Engineer - Spain - 100% Home Office Friendly (within +/- 2 hours of the UK) Live shows make us feel good. They're a time to hang with our friends, discover new artists or lose ourselves on a dancefloor. We're on a mission to bring all of this to more fans, more often – and that's where you come in. We're looking for a Senior Backend...

Buscamos un Senior AI & Backend Engineer & Front Requisitos Técnicos Experiencia real y reciente construyendo o aplicando en producción sistemas de agentes/subagentes IA: orquestación de tareas, definición de skills, gestión de contexto, tool use/function calling. Dado que la disciplina es muy reciente, valoramos proyectos concretos y profundidad sobre...

About Parser At Parser, we are seeking a Senior Backend Engineer with strong MLOps expertise to join the Machine Learning Engineering team of a global leader in the travel industry. In this role, you will help design, build, and maintain the infrastructure that powers our ML solutions—managing data pipelines, streamlining model deployment, and optimizing...

MAPFRE ESPAÑA | Majadahonda El puesto de Ingeniero/a Experto/a en Soluciones Backend e Integraciones será el responsable de liderar los desarrollos que la Plataforma de Administración y Soporte requieran tanto en las fases iniciales de levantamiento de requerimientos técnicos y diseño, como en las fases de documentación y certificación de las...

Join SIX Financial Information's AI Engineering team as a Senior AI Backend Engineer of our Productization squad. You will own the backend, APIs, and integrations that turn AI prototypes into production-grade products in our GenAI and Data Mining lines. This is a high-leverage, player-coach role at the heart of how we scale AI delivery. You will set the...

Job Reference: Date Posted: 8 October 2026Recruiter: Coberon ChronosLocation: SpainRemote Working: 100% remote working possibleSalary: On ApplicationSector: Engineering, IT & TechJob Type: Permanent, Full-time, Home-office based, W2, RemoteEmail: for this job nowJob DescriptionOur client is a world-class American B2B software company, a leader in its field....

Runware is looking for a Senior Software Engineer to build and evolve the systems and APIs powering our Web App and Developer Experience. You will collaborate with backend, frontend, Product and Design to deliver developer-facing APIs and reliable internal services. You will own backend work from requirements to delivery, ensure production systems are...

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...

Grafana Labs is hiring a Senior Backend Engineer for their Backend Services team. This fully remote role is positioned for candidates in Spain, focusing on delivering new functionalities and improving existing services within an innovative environment. Ideal candidates will possess solid experience in backend development, especially with Go. The position...

About the RoleWe're looking for a Senior Backend Developer who thrives in a deeply hand-on environment and enjoys being close to the code on a daily basis.This role is heavily focused on building, optimising, and scaling backend services in a high-load system where performance and reliability are critical.You'll be working on complex, real-time challenges at...

Impulsa la arquitectura backend del futuro con Java y sistemas distribuidos En Initium Software conectamos al mejor talento técnico con los proyectos más desafiantes e innovadores del mercado.No somos una consultora tradicional; somos socios estratégicos que creemos en el impacto real a través de la tecnología.Buscamos un Senior Backend Engineer...

About NutrientAt Nutrient, we're revolutionizing how the world works with documents.Our tools transform static files into intelligent, secure workflows, empowering businesses to innovate faster and smarter.Trusted by thousands of organizations across 80 countries, including Fortune 500 companies and public sector leaders, our platform supports nearly a...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.Our momentum comes from a simple idea: help teams work smarter,...

Fliff is seeking a Senior Python Engineer to join the Integration team in Barcelona. You will own backend features, design scalable services with Python and Django, and build integrations with KYC, geolocation, and payments. You'll collaborate with product and engineering to scope new integrations, implement observability, and write tests to ensure...

Fliff Inc is seeking a senior Python engineer to lead three backend developers working on payments, identity verification (KYC), location services, and other external integrations. You’ll guide technical delivery and mentor the team while remaining hands-on. Our stack includes Python, Django, Postgre SQL, Redis, Kafka, AWS. You’ll design integrations,...

Agile Engine is seeking a Senior Python Developer to design and build scalable microservices and REST APIs, collaborating with Product, Dev Ops, and Frontend teams. You will own critical backend components, write clean, well-tested code, and drive performance improvements in a fast-paced environment. The role emphasizes Python mastery (OOP, async, data...

Infoser Technological Solutions in Madrid seeks a skilled Senior Cloud Engineer to design and develop high-performance backend services. You'll work in a cloud-native environment, utilizing Python and AWS while contributing to innovative projects. The role requires strong experience in backend engineering and a solid understanding of serverless...