Empleos de senior backend engineer python en Valencia

Clidrive busca un Senior AI Software Engineer para construir Orion, el asistente personal por WhatsApp destinado a comprar y vender coches. Integrarás un runtime en Python con arquitectura hexagonal, PostgreSQL y almacenamiento vectorial. El foco es backend, fiabilidad y seguridad, con énfasis en memorización contextual y gestión de reglas de negocio. Se...

Trading 212 is seeking Senior Backend Engineers to own backend services end to end across a microservices platform. You will design, build, test, deploy and operate production systems, collaborating with product and engineering teams to turn complex requirements into durable solutions. You’ll work with Java, Go, Node.js and databases, focus on performance,...

Flexcompute is a fast-growing startup redefining engineering simulation with ultra-fast computing and scalable backend platforms. We seek a Backend Software Engineer to design and implement scalable solutions for an advanced EM simulation stack. You will collaborate with EM and infrastructure teams, improve web APIs, and build hybrid cloud compute/storage...

Senior Frontend Engineer We build and operate Connect, a SaaS platform for the beauty & wellness industry that helps entrepreneurs run their businesses more effectively. Our web products are used daily by tens of thousands of people across 13 European countries. Our teams own their areas from initial idea and design through deployment and operations. We...

AgileEngine is seeking a Python Backend Developer to extend the backend of an internal developer portal and dashboard, leveraging AI coding tools daily. You will design, build, and maintain a robust Python backend, integrating Snowflake and SQL/NoSQL databases, while collaborating with cross-functional teams to translate requirements into scalable solutions....

A global creative technology firm is seeking a Senior Software Engineer excited to build innovative tools for video advertising. This fully remote role involves improving an Ad Scoring API and designing scalable data systems. The ideal candidate will have 7+ years of backend experience, deep Python skills, and familiarity with LLMs. Join a diverse team...

Oliver Bernard is seeking a backend engineer for an AI-native fintech scale-up. You will design and ship end-to-end backend systems and APIs that run real-time accounting logic, owning architecture and CI/CD, testing and monitoring. This role is fully remote within the EU and offers significant equity.Must have 5+ years in backend, strong PostgreSQL/SQL/ORM...

Sinch is seeking a Senior Software Engineer to design and build the next generation of our Contacts Platform. You will design backend services, work with Java, Spring, Kafka, MongoDB and OpenSearch, and help scale distributed systems.You’ll develop internal tools for monitoring and debugging, ensure observability and security, collaborate with...

As our client's data business grows, the Data Division's AI Platform Services team is building applications and platforms for customers using data in AI and ML projects. As a Senior Software Engineer, Backend, you will build the APIs, services, integrations, and data-access systems behind those products. You will help make complex data workflows reliable,...

Qonto is seeking a Senior Backend Engineer in Barcelona to help build the financial infrastructure that supports 750,000+ European SMEs. You will design and maintain highly scalable APIs and robust banking services that process real money in real time, with zero room for mistakes.You will join a mission-based team of 5–10 engineers, collaborating with...

Aderen busca un Desarrollador Senior en Python para liderar soluciones en el dominio de pagos. Se valoran conocimientos en AWS, Kubernetes, Terraform y Kafka, así como habilidades de observabilidad y diseño arquitectónico.La posición es adecuada para quienes buscan un rol técnico de alto impacto, con enfoque en sistemas escalables y pagos en un entorno...

AgileEngine is seeking a Senior Python Developer to design and build scalable microservices and REST APIs, collaborating with Product, DevOps, and Frontend teams. You will own the backend stack, implement robust data models, write tests, and contribute to architecture decisions.You should have 4+ years of Python backend experience, strong knowledge of APIs,...

Pliant is hiring a (Senior) Software Engineer - Backend - Growth. You will join a cross-functional team of frontend and backend engineers, product managers, and designers to build a scalable banking platform and maintain robust AFC compliance.The Growth team focuses on onboarding, risk controls, and credit-management throughout the customer journey. This...

Diabolocom, a European cloud-based contact centre and CX platform, is seeking a Senior Backend Software Engineer for the Auxiliary Squad in Barcelona. You will design and implement high‑performance backend services using Java/Kotlin, Spring Boot, and modern tooling, contributing to scalable distributed systems and no‑code workflow scenarios.You will join...

What we do.Electric Car LeasingWhy we do it.Greener. Fairer. Future.We're looking for a Senior Software Engineer (Python) to join our product and engineering team building the systems that power our ability to revolutionise the electric car leasing industry. Our tech stack is Python with GraphQL, PostgreSQL and NoSQL databases, running on AWS, with a...

Flexcompute Inc. is seeking a Senior Backend Software Engineer to design and implement scalable solutions for our EM simulation platform. You will own backend services end-to-end, from design through deployment and operation, and collaborate with EM and infrastructure teams.The role emphasizes cloud experience (AWS), distributed systems, and hybrid cloud...

I'm working with a VC-backed, rapidly scaling AI-native fintech start-up that is rebuilding the financial system of record for modern businesses. Backed by top-tier US investors, they've grown quickly in a short space of time, serving customers from high-growth companies through to publicly traded enterprises.You'll be building and shipping end to end:...

What we do.Electric Car Leasing Why we do it.Greener. Fairer. Future. We're looking for a Senior Software Engineer (Python) to join our product and engineering team building the systems that power our ability to revolutionise the electric car leasing industry. Our tech stack is Python with GraphQL, PostgreSQL and NoSQL databases, running on AWS, with a...

Revolut is seeking a Python Engineer to build high-quality code and innovative solutions for heavily regulated financial systems. You will collaborate with Data Scientists, Analysts, Engineers, Product Owners, and Operations Managers to deliver maximum value to customers. You’ll design APIs, data pipelines, and automated quality controls, shaping the...

company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. ABOUT THE ROLE We are looking for a Senior Python Developer to design and build...