Empleos de lead python backend engineer en Madrid

Fliff, a fast-moving sports data company, is seeking a Senior Python Engineer to build and evolve the core systems behind our real-time data platform. You’ll work close to sports data domains—events, leagues, markets, odds—and ensure data is accurate, timely, observable, and resilient when feeds vary.Join a squad where your engineering decisions impact...

Tamarind Intelligence en Barcelona busca un Senior Full Stack Engineer con foco en ciberseguridad para una plataforma de gestión de vulnerabilidades a escala global. El puesto es híbrido, con autonomía en decisiones técnicas y oportunidad de crecer hacia Tech Lead. Se valora experiencia fuerte en Python/FastAPI, React y entornos cloud (AWS); experiencia...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Engineer - Payments & Fintech based in Spain.This is a high-impact backend engineering role focused on rebuilding and scaling the financial systems at the heart of a rapidly growing global platform.You will own the...

T-Systems Iberia sucht einen Senior Backend Engineer, der zentrale Plattform-Services, API-Design und robuste Microservices für skalierbare KI-Infrastruktur entwickelt. Sie arbeiten eng mit ML-Infrastrukturteams zusammen und verantworten Sicherheit, Observability und CI/CD.Sie verfügen über umfangreiche Python-/API-Entwicklung, verteilte Systeme,...

Lever, Inc. is seeking a Senior Backend Engineer for Payments & Fintech in Spain. You will rebuild and scale the financial systems at the core of a growing global platform, owning architecture for billing, subscriptions, and entitlements. You will lead migrations from legacy systems while ensuring correctness, reliability, and auditable financial records....

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,...

Cheiron just raised an $8 million seed round led by Menlo Ventures to build the operating system for drug programs.Company OverviewIn July 2026, Cheiron announced an$8 million seed round led by Menlo Ventures, bringing total funding to$13 millionto date, with the backing and strategic support of industry veterans including Moderna co-founder and MIT...

Scopely is seeking a Staff Server Engineer to join our new unannounced project in Barcelona on a hybrid basis (three days on-site). You will lead backend features for a large-scale MMO game and collaborate with cross-functional teams. You will mentor engineers, optimize scalable architectures, and uphold code quality. Visa sponsorship and relocation support...

Principal Python Engineer (Apache Ecosystem) We are seeking a Principal Python Engineer with deep expertise in Apache project contribution, data processing, automation, and big data ecosystem integration. The technology stack includes popular open source Apache projects with Python integration – Spark, Kafka, and related ecosystem tools. The role goes...

Bark is seeking a Backend Engineer to join our growing team. You’ll help build scalable product features using Python, crafting robust APIs and services that power our marketplace.You will work across the stack from idea to deployment, optimizing data stores, integrating third-party services, and mentoring peers as we scale to handle increasing demand and...

Descripción: En Second Window buscamos un/a Senior Full Stack Developer / Senior Python Developer con mínimo 6 años de experiencia profesional en desarrollo de aplicaciones empresariales y experiencia práctica trabajando con Python, bases de datos, procesos batch y Apache Kafka.Buscamos un perfil con sólidos conocimientos de Python, Oracle y...

Onsitesenior# Backend PHP Software Engineer - InventoryCloudbeds. StaffingBarcelona, Spain Salary not disclosedlaravelphpsymfonyapinovadockerawskubernetesdescription## Job descriptionChrome desktop can translate this description on-device without sending the text to LaraBench.As a Senior Backend Engineer, your goal is to deliver an exceptional experience to...

Pleo is hiring a Senior Backend Engineer to join the Data Serving team, owning the boundary between raw product data and consumers including internal teams, AI agents, and customers. You will build the API surface and a fast serving layer with strict latency requirements.You’ll work with a stack including AWS/GCP, Docker, Kubernetes, BigQuery, PostgreSQL,...

Lead Software Engineer Department:Development - Software DevelopmentEmployment Type:Permanent - Full TimeLocation:SpainReporting To:Sagar ThakurDescription Location - Valencia, Spain Why Confluence? At Confluence, we’ve always been driven by a commitment to innovation, precision, and partnership in the investment data space. Our global footprint now spans...

Seeking a Staff Backend Product Engineer to lead the design and development of complex integrations for an e-invoicing platform, driving product decisions and supporting clients.

Smart Working Solutions is hiring a Senior PHP/Symfony Engineer to own backend development within a mature Symfony platform, upgrading from 6.x to 7, and collaborating with Angular, TypeScript, and Python AI microservices. The role emphasizes architecture, independence, and remote collaboration across global teams. The ideal candidate has 8+ years in...

Qonto in Barcelona, Spain is seeking a Principal Backend Engineer to lead scale initiatives across Foundations domain. You will own end-to-end backend architecture for high-volume transactions, search, and monetization, partnering with Legal, Risk, and leadership to translate technical bets into business outcomes.You'll mentor engineers, drive AI-native...

Barcelona, Spain · Full-time · Fully office-based €65,000–€85,000 gross per year Candidates must already be based in Barcelona. Visa sponsorship is not available. Build the systems behind AI-powered email marketing. Migma is building an AI platform that creates and sends on-brand email campaigns end to end. We are a two-person founding team in...

About us Aave Labs began with a simple question: how do we make financial services like borrowing, saving, and earning more accessible globally?We built the Aave Protocol, now the world’s largest and most trusted onchain lending market, connecting decentralized finance with individuals, traditional finance, and fintech.Today, we build trusted, high-quality...

¿Te interesaría seguir desarrollándote comoProgramador/a de IA Generativaen una empresa dedicada amejorar la calidad de vida de las personasmediante seguros, servicios de salud y atención personalizada, con100 años de experienciaen el mercado,consede en Barcelona?DesdeOxigent Technologiesseleccionamos unBackend Engineer...