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Parser is a boutique technology services and consulting firm delivering AI-enabled and data-driven solutions across Europe and the Americas. As a Senior Backend Engineer, you will own backend services powering a new conversational AI product, designing high-throughput microservices and real-time pipelines while integrating LLM-driven tool-calling...

Hopper is seeking an experienced Software Engineer for the Fintech Foundation team to design, build, and evolve ML systems powering Hopper's pricing engine. You will work with data science, engineering, and product teams to deliver scalable pricing solutions that impact revenue and customer experience across a broad partner portfolio.You will design...

Barcelona, Spain · Full-time · Fully office-based €65,000–€85,000 gross per year Candidates must already be based in Barcelona. 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, hiring a backend engineer...

Build AI-powered product capabilities that automate, predict, and simplify user workflows Spendesk is looking for a Backend Software Engineer (IC3) to join our AI & Data Products squad and help build the next generation of product features powered by AI, ML, and intelligent automation. This is a hands‐on backend role focused on turning predictive...

OverviewInscríbase rápido, consulte la descripción completa desplazándose hacia abajo para conocer todos los requisitos de este puesto.As Backend Engineer, AI, you will ship robust backend features at Deel Speed, using AI tools to accelerate development while preserving quality. You will collaborate with product, frontend, design, and QA to translate...

Overview As Backend Engineer, AI, you will ship robust backend features at Deel Speed, using AI tools to accelerate development while preserving quality. You will collaborate with product, frontend, design, and QA to translate requirements into scalable services across 150+ countries. Your work will include building AI-powered workflows and ensuring...

A forward-thinking financial technology firm in Spain is looking for an AI Senior Engineer to build and scale AI and data infrastructure. In this role, you'll design and implement Python services, collaborate with AI/ML engineers, and develop scalable pipelines. Ideal candidates will have 5+ years of experience in backend engineering and strong skills in...

A forward-thinking financial technology firm in Spain is looking for an AI Senior Engineer to build and scale AI and data infrastructure. In this role, you'll design and implement Python services, collaborate with AI/ML engineers, and develop scalable pipelines. Ideal candidates will have 5+ years of experience in backend engineering and strong skills in...

¿Te apasiona la tecnología, la innovación y crear soluciones con impacto real?En Raona ayudamos a las empresas a transformar la forma en la que trabajan a través de tecnología Microsoft, IA, automatización y Digital Workplace.Llevamos más de 20 años anticipándonos al futuro tecnológico y hoy somos un equipo internacional de más de 360 personas...

Build AI-powered product capabilities that automate, predict, and simplify user workflows Spendesk is looking for a Backend Software Engineer (IC3) to join our AI & Data Products squad and help build the next generation of product features powered by AI, ML, and intelligent automation. This is a hands‐on backend role focused on turning predictive...

At Goodweek, we're building a next-generation AI tool designed to revolutionize business productivity. We are focusing on delivering a secure, scalable, and reliable system that supports real business use cases across different departments. The goal is to make AI practical, controlled, and truly embedded in how modern organizations operate. Our team spans...

Mercanis is building the AI Procurement Platform that powers the procurement of tomorrow. We are looking for a Backend Engineer excited to build reliable backend services and grow technically.This fully remote role offers EU time-zone alignment, or hybrid option from our Berlin office, with collaboration across cross-functional teams and exposure to...

Backend Engineer – AI Integrations Location: Madrid, SpainDepartment: Engineering About Vic.ai Vic.ai is building the future of autonomous accounting using AI. We help finance teams eliminate manual invoice processing and unlock real-time financial intelligence by combining advanced machine learning, OCR, and scalable backend systems. Our platform...

Job SummaryThe Elite Job is looking for a highly skilled and motivated Software Engineer (Backend) to join our growing remote development team in Spain. This role offers the opportunity to work on innovative projects that power global digital solutions. The successful candidate will be responsible for designing, developing, testing, and maintaining scalable...

Job SummaryThe Elite Job is looking for a highly skilled and motivated Software Engineer (Backend) to join our growing remote development team in Spain. This role offers the opportunity to work on innovative projects that power global digital solutions. The successful candidate will be responsible for designing, developing, testing, and maintaining scalable...

¿Te apasiona la tecnología, la innovación y crear soluciones con impacto real?En Raona ayudamos a las empresas a transformar la forma en la que trabajan a través de tecnología Microsoft, IA, automatización y Digital Workplace.Llevamos más de 20 años anticipándonos al futuro tecnológico y hoy somos un equipo internacional de más de 360 personas...

Cala AI, based in Barcelona, seeks an experienced Backend Engineer to own end-to-end backend systems powering AI-driven verification at scale.Lea atentamente toda la información sobre esta oportunidad y luego utilice el botón de solicitud de abajo para enviar su CV y su candidatura.You will develop services in Python (FastAPI), design data stores across...

Marfeel is a publishing intelligence platform trusted by over 5,000 publishers worldwide: including Business Insider, Le Figaro, El País and Mc Clatchy. We help publishers turn data into action: understanding what content is working right now, what has performed over time, and what to do next. Our platform gives editorial, SEO, audience, and revenue teams a...

Mercanis is building the Agentic AI Procurement Suite that powers the procurement of tomorrow, digital, transparent, and intelligent. We are seeking a Backend Engineer who is excited to build modern, reliable backend services and grow their technical expertise.You will work closely with senior engineers, product managers, and designers to deliver features...

AI Backend Engineer - PYTHON / AZURE / GENAI AI BACKEND ENGINEER PYTHON / AZURE / GENAI / RAG Barcelona Modelo híbrido (3 días oficina + 2 remoto) Tecnologías: Python Azure GenAI LLM RAG ¿Te apasiona la Inteligencia Artificial y quieres trabajar en proyectos donde la IA no se queda en un prototipo, sino que llega a producción? Buscamos incorporar...