Empleos de senior python backend en Barcelona

Why this role matters JOIN helps thousands of businesses find the right people — faster, fairer, and with less friction. Our platform handles millions of candidate interactions, and our clients praise JOIN’s attention to detail and unmatched user experience. We’re looking for a Backend Engineer to join our established engineering hub in Spain. You’ll...

Impulsa la arquitectura backend del futuro con Java y sistemas distribuidosEn 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...

OverviewWe are looking for a Senior Java Backend Engineer to join a long-term freelance project in Barcelona (hybrid: 3 days onsite, 2 remote).This role is part of a strategic transformation initiative in the financial sector, modernizing data management systems with cloud-native technologies and agile methodologies.ResponsibilitiesBuild and optimize...

Affinity (CRM) in Barcelona is seeking a Senior Software Engineer to join the One Platform team and help drive the technical roadmap and implementation of Internal and External API layers, the 3rd party integration platform, and access management systems.The role is hub‑hybrid, with team members in-office 2 days per week, collaborating across engineering,...

Ersilia is seeking a senior backend engineer to own critical systems and contribute to the roadmap. You will implement code, review it, test rigorously, and ensure reliability, performance, and correctness across production environments.Work autonomously with high ownership, collaborating with engineering and product teams while balancing risk and business...

Stark Future SL is seeking a Senior Backend Engineer to design, develop, and operate production web services that power our AI-enabled backend. You will own critical components and collaborate across product, AI, and operations teams in a fast-moving Barcelona-based environment.Join a ambitious team building premium electric motorcycles and a scalable...

Jobtailor is seeking a skilled Backend/Frontend Engineer to design, develop, and maintain scalable backend services using Node.js and AWS. You will build cloud-native solutions with Lambda, DynamoDB, and event-driven architectures, delivering low-latency services for cross-functional teams.As part of a collaborative environment, you will participate in code...

Factorial is seeking a Senior Software Engineer to join our Data Ops team. You will own the backend architecture of internal sales, invoicing, and billing applications, building resilient, scalable APIs and cloud workflows that power finance and customer experiences.You’ll collaborate with design and product, integrate payment platforms like Stripe or...

Workato seeks a seasoned Go backend engineer to design and optimize distributed systems that power our runtime platform. You will tackle high-concurrency components, memory-sensitive paths, and performance-critical code, collaborating across teams to ensure reliability and scalability.This role emphasizes low-level engineering and robust concurrency handling...

FYUL is seeking a Senior Back-end Software Engineer to join the Commerce Pillar. You will shape our commerce solutions by building reliable, scalable systems and collaborating with product teams. The role offers remote work options and an office in Riga, with flexible hours and strong emphasis on ownership and continuous learning. Ideal candidates have 5+...

Mambu Payments (formerly Numeral) is hiring Senior Backend Software Engineers to help build the next generation of

E Dreams ODIGEO is seeking a Backend Architect to lead the technical evolution of one or more backend microservices and mentor senior engineers. You will collaborate with multiple teams across a large e-commerce platform serving millions of users daily and work closely with product and business stakeholders to shape technical strategy. You will leverage...

Affinity (CRM) in Barcelona is seeking a Senior Software Engineer to join the One Platform team and help drive the technical roadmap and implementation of Internal and External API layers, the 3rd party integration platform, and access management systems. The role is hub‑hybrid, with team members in-office 2 days per week, collaborating across engineering,...

Company: B. Braun Medical, S.A. U. Job Posting Location: Barcelona, Barcelona, Spain Functional Area: Information Technology Working Model: Hybrid Requisition ID: 13544 Senior ERP Backend Engineer - Microsoft Dynamics 365 Finance & Supply Chain Management / ERP Platform1. Role PurposeThe Senior ERP Backend Engineer will design, build, extend, integrate, and...

Infotel in Spain's Barcelona area is seeking a Senior Java Backend Engineer to join our Java Development Competence Center. Reporting to the Tech Lead, you will contribute to the design and development of high-quality software solutions for international clients. You will work on Java 17/21, Spring Boot, microservices, REST APIs, Kafka, and occasional...

CNT Management Consulting is a leading SAP consulting firm, offering 100% flexible working time and home office options. The role focuses on SAP ABAP backend development, ABAP OO expertise, and collaboration with SAP UI5/Fiori and BTP teams on client projects across Europe and the USA. Ideal candidates bring 5+ years of SAP ABAP experience, strong consulting...

Barcelona · Modelo híbrido · 55.000 € – 60.000 € brutos/año ¿Te gustaría participar en la evolución tecnológica de una health-tech en plena expansión internacional, desarrollando una plataforma que ya tiene impacto directo en la vida de miles de personas?Buscamos incorporar un/a Senior Backend Developer para reforzar un equipo tecnológico...

Rover is looking for an experienced backend software engineer to join our Trust & Safety Engineering team in Barcelona. You will design, build, and maintain scalable backend systems, collaborate with product, design, data science, and frontend engineers, and apply AI-augmented workflows to shipping code. We value strong coding practices, ownership, and a...

Baoss en Barcelona busca Analista Programador/a Senior, especialista en Java con Spring Boot, para aportar en una arquitectura de microservicios basada en AWS. Se trabajará en análisis, diseño e implementación de soluciones backend con REST, PostgreSQL y seguridad con OAuth2 y JWT. El candidato ideal participará en la definición de la arquitectura,...

Seeking a Senior Python Developer with strong Python expertise, architectural skills, and payments domain experience. Must have knowledge of AWS, Kubernetes, Terraform, Kafka, and observability tools.