867 junior backend developer nodejs jobs in Barcelona, España.

... accurate and timely processing of high‑volume invoices and employee expenses. You will oversee complex reconciliations, drive end‑to‑end P2P improvements, mentor a junior AP staff member, and support month‑end closings and audits. You will collaborate with banking partners and stay aligned with Rakuten Group policies. []

... API interfaces using OData. You will work with cross-functional teams across finance and IT, ensure data security, deliver SDLC-compliant designs, and mentor junior analysts while shaping end-to-end solution designs across multiple workstreams. [{"name": "horario_flexible", "text": "Horario flexible", "categoryName": "Working ...

... end-to-end renewal motions, defend the customer base, and drive seat expansions with minimal guidance. You will leverage CRM systems to monitor renewals, analyze data, and coordinate with account teams and procurement to ensure accurate renewals and smooth renewal outcomes, while mentoring junior colleagues as appropriate. []

Ubisoft Barcelona is seeking a Junior Technical Artist to support the Rainbow Six: Siege team. You will bridge art and tech, ensuring assets such as uniforms, headgear, charms, and weapons are efficiently integrated into the engine. You’ll help optimize assets, develop tools, and maintain robust technical workflows across ...

... accuracy and timely delivery. You will lead month-end close, collaborate with Sales, Revenue Ops, and Support, drive continuous improvement and automation in NetSuite, and mentor junior staff in a dynamic hybrid Barcelona team. [{"name": "trabajo_hibrido", "text": "Trabajo h\u00edbrido", "categoryName": "Working conditions"}]

... have. Are you ready to join us? About the team The Code Foundation team is dedicated to providing foundational tools, libraries, and standards that enhance developer productivity and ensure consistency across application development. By fostering a culture of experimentation and enabling robust observability, the team empowers ...

Visium invites applications for a Junior AI & Data Strategist internship in Barcelona. You will support the strategy team on client projects, developing data and AI roadmaps under supervision, and participate in daily consulting activities during the 6-month program. Ideal candidates hold a ESADE Business School degree ...

... técnico para el desarrollo del equipo. Las funciones incluyen supervisión contable, impuestos mensuales y trimestrales, gestión de facturación y apoyo a perfiles junior, con atención directa al cliente y mejora de procesos internos. [{"name": "trabajo_hibrido", "text": "Trabajo h\u00edbrido", "categoryName": "Working conditions"}]

Puig is seeking a Junior Global Demand Planning Executive (Temporary) based in Barcelona to support the leadership in orchestrating the Niche & Wellness Global Sales and Operations Planning process. You will help ensure timely, accurate global forecasts to secure high service levels and optimize inventory. The role requires ...

... Conversational AI to redefine how users interact with enterprise data. You will design multi-turn agents, leverage LangGraph, AutoGen and similar frameworks, and mentor junior team members across a global AI Center of Excellence. You will work with Python, MLflow, Azure stack and Databricks to deliver end-to-end AI solutions, collaborating ...

... coordinating across PM, ASO, and Creative. This hands-on role requires deep expertise in paid user acquisition for mobile apps, including GAC, Apple Search Ads, MMPs, and attribution. You’ll analyze performance and mentor junior team members. [{"name": "trabajo_remoto", "text": "Remoto", "categoryName": "Working conditions"}]

Ukio is seeking a B2C Sales Junior/Specialist in Barcelona to own the full sales cycle for furnished apartments and guest services across Spain, Portugal, France and Italy. With 1–3 years in sales, you will drive occupancy and revenue goals while delivering exceptional customer experiences. You’ll operate with autonomy ...

Entravision, a leading online advertising and technology company, is seeking a Junior Finance Analyst in Spain. The role focuses on OPEX processing, vendor invoicing, and payments, with training provided for the corporate finance function. You will handle data entry, assist in month-end close, and support audits while developing ...

... inclusive, multicultural, and international team of over 130 employees. What will be your responsibilities? - Design, build and run high-traffic REST APIs and backend services in Python, with close attention to latency, throughput and reliability. - Build and maintain the data pipelines (ingestion, transformation, enrichment) ...

... operating a large, fast-growing fleet consistently: turning one-off procedures into reliable automation, keeping dozens of clusters healthy at once, and helping developers use the database well. You'll split your time between a support rotation for incoming developer requests and longer-cycle reliability and automation projects. ...

... operating a large, fast-growing fleet consistently: turning one-off procedures into reliable automation, keeping dozens of clusters healthy at once, and helping developers use the database well. You'll split your time between a support rotation for incoming developer requests and longer-cycle reliability and automation projects. ...

... engineers, and customers. Requirements - Enterprise design depth. 7+ years of product design experience, including 4+ years on complex B2B software: data platforms, developer tools, or analytics applications. - Systems thinker. Able to design coherent patterns at scale, hold a large design vision, and break it into shippable pieces ...

EF Education First Ltd. in Barcelona is seeking a Junior Customer Success Agent for the DACH market. You will support students in EF English Live courses, host onboarding sessions, and handle inquiries across video, phone, chat and email. The role requires German at an advanced/native level, English at least B2, and 1–2 ...

MiiN Cosmetics in Barcelona is seeking a Junior Content & Marketing Specialist for the French market. Hybrid role focusing on social media, content creation, and localization across Instagram and TikTok, reporting to Growth Marketing Manager. You will translate and localize product copy, craft newsletters and paid ad content, ...

... incorporar dos veterinarios especialistas en Diagnóstico por Imagen (Radiología y Ecografía) para uno de sus hospitales en Barcelona. Buscamos perfiles senior y junior, con capacidad para lectura e interpretación de TACs y experiencia en ecografía en urgencias y consultas. Ofrecemos contrato indefinido, jornada completa de ...