Empleos de senior python backend en Barcelona

Knowmad mood busca un desarrollador/a senior backend Java para un importante cliente del sector bancario. Se trabajará 100% remoto y en un entorno ágil, con foco en microservicios, API y pruebas. Se requiere experiencia sólida en Java (21+), Spring, Spring Boot, Docker/Kafka, y observabilidad (Grafana/Prometheus). Ofrecen contrato indefinido, horario...

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...

Seqera seeks a Senior Software Engineer to own the backend layer that turns computational capacity into configurable, billable services across AWS, Azure, GCP, Kubernetes, HPC schedulers, and GPU runs. You will shape an application layer that powers Seqera Intelligent Compute and its platform integrations. You’ll collaborate with product, platform, and...

BEIGAR busca un/a Arquitecto/a de Software Senior para unirse al proyecto europeo EDF EYE. Liderarás el diseño técnico y la evolución de arquitecturas backend de alto rendimiento en sistemas de defensa críticos, asegurando escalabilidad y seguridad. Trabajarás en un entorno técnico complejo con microservicios, EDA y despliegue en Kubernetes/Docker,...

Emburse seeks a senior software engineer to advance our AI-powered, distributed platform. You will own and deliver software that integrates with microservices, APIs, queues, and containers, while enhancing product quality and maintainability. You will mentor teammates, contribute to architecture, and drive best-practice engineering across projects. Required...

Setexe International (SI) is seeking a Senior PHP Developer to design, develop, and maintain robust back-end systems and APIs powering web and mobile applications. You will translate business requirements into technical solutions, write clean PHP code, and implement object-oriented designs and best practices. Daily responsibilities include collaborating with...

Fotocasa Group, Spain’s real estate tech leader now part of Scout24, is redesigning its processes and culture to lead the market from its Barcelona hub. As Backend Engineer, you will own technical direction, architect scalable services, and mentor teams to deliver high-impact solutions across millions of users. This hybrid role combines hands-on...

Bsport is hiring a Senior Backend Software Engineer to join the Financial Services team and craft a scalable payment and invoicing engine for clients worldwide. You will lead feature design, drive architecture decisions, and collaborate with Data, Product, and Dev Ops to deliver reliable, high-availability services. You will mentor peers, implement best...

We are bsport. The place to be! bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success. Since we launched in 2019, we have already achieved the following: We’ve built a community of...

Barcelona, Spain · Full-time · Fully office-based€65,000–€85,000 gross per yearCandidates 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...

Barcelona, Spain · Full-time · Fully office-based€65,000–€85,000 gross per yearCandidates 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...

Mystery Project busca un Senior Backend Developer para Barcelona, con funciones de diseño, desarrollo y despliegue de APIs escalables usando Node.js, TypeScript y NestJS. El candidato trabajará en migración hacia una arquitectura serverless en AWS y contribuirá a soluciones basadas en eventos con Lambdas, API Gateway y RDS. Formarás parte de un equipo...

FCC Medio Ambiente busca un/a Backend Senior en Barcelona para unirse a su equipo de desarrollo. El candidato participará en la evolución de los servicios backend de la plataforma Vision, trabajando en un entorno JVM (Scala) y cloud (AWS). Se requiere experiencia de 6-7 años, especialmente en tecnologías JVM y desarrollo de APIs. Ofrecemos un contrato...

Oxigent Technologies busca un Senior .NET Developer para participar en la evolución de una plataforma de gestión empresarial en Barcelona. Te enfrentarás a una arquitectura moderna basada en microservicios y hexagonal, con énfasis en backend .NET y apoyo ocasional al frontend con Angular/TypeScript. Requisitos: 7-10 años en C# y .NET, experiencia en API...

Skills required .NET DevOps Docker Java Kotlin Spring Boot CI/CD SOLID Principles Domain Driven Design (DDD) Test Driven Development (TDD) Hexagonal Architecture Pair Programming Clean Code Languages Languages Advanced english Native spanish Location Location Remote Hybrid Barcelona, Spain Remote candidates must be living (or willing to live) in: Spain. We...

Hola Consultores, S.L. busca perfiles junior de desarrolladores en Python para el sector aeronáutico en Barcelona. Se trabajará en desarrollo backend, diseño de pipelines CI/CD y deployment en AWS, con enfoque en calidad y escalabilidad.La posición ofrece contrato indefinido y jornada híbrida, con incorporación inmediata y oportunidades de formación...

Barcelona, Spain · Full-time · Fully office-based€65,000–€85,000 gross per yearCandidates 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...

Proton is looking for an experienced backend-focused engineer to join The Foundation Team in Barcelona. You will work with PHP for API-related work and Rust for performance-critical components, owning libraries end-to-end from design to migration. You will help define architectural boundaries in a large monorepo, collaborate across product teams, and drive...

Preply Inc. in Barcelona is seeking a Senior II Full-Stack Engineer (back-end heavy) to join a cross-functional team. You’ll design and evolve scalable back-end systems with Python/Django while contributing to frontend in React/Type Script, balancing immediate product needs with long-term sustainability. The role is hybrid, with about 85% back-end focus...

Rechat, Inc. is building the next generation of enterprise real estate technology. We seek a backend engineer who loves clean architecture and scalable data problems to support our CRM and Marketing platforms.This fully remote role requires deep Node.Js and PostgreSQL expertise, with collaboration across cross-functional teams to ship high-impact features...