Empleos de senior backend engineer python en Valencia

Neo4j is seeking a Senior Software Engineer to shape the core analytics of GraphAware Hume, our graph-powered analytics platform. You will build secure, scalable backend APIs and collaborate with a global team.The ideal candidate has 8+ years of backend experience, fluency in Java, and expertise in Spring, DDD, and TDD. Familiarity with Docker, CI/CD,...

Valencia (ES) / Barcelona (ES)Octopus Energy Engineering ð – Frontend /Full-time /Hybridð We're Revolutionizing Energy to Change the WorldAt Octopus Energy, we're not your typical utility company. We're a team of passionate people working every day to make energy 100% renewable, accessible, and fair for everyone. We believe technology and innovation...

ALZURA Pay, part of the ALZURA Group, is seeking a Senior Java Developer (m/f/d) to build innovative payment solutions across Europe. You will join an early-stage, agile team and shape the engineering organization and the future of our payment platform. Daily work includes Java backend development with Spring Boot and Hibernate, Docker and AWS, REST APIs,...

Bark is an online services marketplace connecting customers with professionals across 1,000+ categories. We are expanding in Europe and migrating to a full marketplace with subscription pricing, backed by EMK Capital.We are seeking a Senior Full Stack Engineer based in Spain to join a small, agile squad owning the Acquisition domain and marketing tech with...

Senior Software Engineer, Backend (Card) Remote Spain Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. We are reinventing credit cards in the most transparent way possible. We are working directly with card issuers to change how credit...

About Nutrient At 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...

About Bark Bark is an online services marketplace connecting customers with professionals across over 1,000 categories. Operating in nine countries including the UK, US, Australia, Canada, and New Zealand, we're transforming how people find trusted service providers for everything from home improvement to professional services. About Bark Bark is an online...

Middle/Senior QA Automation Engineer (Python) at BrainRocket – this role is on‐site in our office. BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. We build what works, launch it fast, and make sure it hits. Mid‐Senior Full‐time Quality Assurance 3-5+ years of experience in...

Knowmad mood busca un desarrollador backend senior con Java para un cliente del sector textil. El candidato trabajará 100% remoto con contrato indefinido y oportunidades de crecimiento.Se valorará experiencia en Java (21), Spring, microservicios, arquitectura hexagonal, OpenAPI/API First, Kafka y pruebas. También se fomentan habilidades en IA y métodos...

Una empresa tecnológica líder en Valencia busca un desarrollador con experiencia en Python, PostgreSQL y metodologías Agile. El candidato ideal tendrá entre 3 y 5 años en desarrollo de software y será responsable de la creación de algoritmos y el mantenimiento de la infraestructura del entorno Backend GIS. Se ofrece un entorno colaborativo donde...

Health can't wait.Not for symptoms to get worse. Not for a six?month appointment. Not for a system to catch up. But that's exactly how healthcare works today. You wait, until you can't.Alan exists to end the wait.Health is a universal right, and we believe this right can only become real when it's coupled with prevention. We need to stop treating health as...

Jobgether is seeking a Senior Backend Developer to join a remote-first, international team.You will design and optimize backend services with Java and Spring Boot, implement REST APIs, and work across distributed systems with a focus on reliability and scalability.You will apply LLM-based capabilities, RAG pipelines, and agent-tool orchestration to enhance...

Ofrecemos Founding Software Engineer 2 positions · Valencia, on-site · Full-time ruit (re use it) gives professional second-hand sellers the software to centralize, manage and optimize their operations, selling on every marketplace from one place. We've just raised ~€1M in venture capital. Our goal is to grow 100x in 18 months. We're looking for two...

Nn Group busca un Desarrollador Senior de Python enfocado en Data Science para trabajar de forma remota.El candidato ideal debe liderar proyectos de ML, realizar EDA y construir pipelines eficientes en un entorno de consultoría IA.Se valorará sólida experiencia en Pandas/NumPy, TensorFlow/Keras o PyTorch, y dominio de SQL/NoSQL.La posición ofrece alta...

Asegúrese de enviar su solicitud rápidamente para maximizar sus posibilidades de ser considerado para una entrevista. Lea la descripción completa del puesto a continuación. *Before applying for this role, please note that this job must be performed in Spain. Only candidates currently residing in Spain or willing to relocate will be considered. Are you...

Intellectsoft seeks an experienced ML/backend engineer to build scalable ML platforms and backend systems in Spain. You will design and deploy APIs with FastAPI, implement MLOps for model KPI tracking, drift detection, and feedback loops, and orchestrate LLM workflows with LangChain.You will integrate Azure OpenAI (GPT-4) and other providers, ensure async,...

Asegúrese de enviar su solicitud rápidamente para maximizar sus posibilidades de ser considerado para una entrevista. Lea la descripción completa del puesto a continuación. *Before applying for this role, please note that this job must be performed in Spain. Only candidates currently residing in Spain or willing to relocate will be considered. Are you...

Overview As a Senior Backend Cloud Engineer at Mimacom, you will build secure, scalable backend services in a cloud-native environment, focusing on Azure-based solutions. You’ll work with cross-functional teams to deliver digital products used by millions, emphasizing identity management and robust software practices. You’ll shape architecture and...

Colliers in Madrid is seeking an experienced Senior Backend Engineer to join our newly established Global Technology Hub.You will design, develop, and maintain scalable .NET enterprise software, shaping technical direction and mentoring junior engineers in a fast-paced, hybrid environment.This role collaborates with international teams, embraces SOLID,...

Parser is seeking a seasoned Golang Backend Engineer to help build large-scale platforms and services. You will work with cross-functional teams, implement robust microservice patterns, and drive API-first development in a FinTech context. Join a fast-growing team of 340+ engineers across Europe with flexible, remote-friendly work options in Spain. Expect...