Empleos de senior backend engineer python en Barcelona

Location: Remote from Spain (an indefinite Spanish employment contract) We are looking for a Senior Python Backend Engineer to build and integrate agent-to-agent communication capabilities on AWS AgentCore platforms. The role focuses on Python backend development, A2A protocol implementation, agent discovery and registration, event-driven communication, and...

About the Role Parser is looking for an experienced Senior Data Engineer to join a client delivery team working on the E-commerce Search & Product Discovery Platform for a major multinational retailer. The client operates across multiple regions-including the UK, Europe, and Asia- offering groceries, clothing, electronics, and consumer goods via physical...

Present Connection Lithuania is seeking a Python Developer to join an AI-first R&D team building an AI-powered data platform for a top ERP provider in the DACH region. You will design backend services and data pipelines, connecting data to AI agents and MCP servers. You should have solid Python skills, API/web service experience, and hands-on work with AI...

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,...

Oxigent Technologies busca un/a Senior Automation QA para su equipo en Barcelona, dentro de un proyecto internacional de procesamiento y distribución de datos entre sistemas en el sector tecnología para la aeronáutica.Serás responsable de impulsar la calidad del software a lo largo del ciclo de desarrollo, definiendo estrategias de testing y...

Sobre nosotros Innovamat es una organización educativa centrada en el aprendizaje de las matemáticas. Su propósito es contribuir a mejorar cómo se aprende esta ciencia, ofreciendo recursos, formación e investigación a la comunidad educativa. Fundada en 2017 en Barcelona, Innovamat cuenta con 24000 docentes de más de 2800 centros educativos de España,...

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...

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 the Role We're looking for a Senior Backend Developer who thrives in a deeply hand-on environment and enjoys being close to the code on a daily basis. This role is heavily focused on building, optimising, and scaling backend services in a high-load system where performance and reliability are critical. You'll be working on complex, real-time challenges...

Elastic is building high-performing backend ingestion pipelines for observability data. You will design, implement and operate scalable features across mOTLP endpoints and agentless integrations, supporting cloud providers and edge sources. You will own projects from concept to delivery, mentor peers, and participate in on-call rotations to keep systems...

Impulsa la arquitectura backend del futuro con Java y sistemas distribuidos En 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...

Join us at Provectus as part of a team dedicated to building cutting‑edge technology solutions that have a positive impact on society. Our company specializes in AI and ML technologies, cloud services, and data engineering, and we take pride in our ability to innovate and push the boundaries of what's possible.We are looking for a highly skilled Senior...

SplitMetrics is a global software company offering an ecosystem of products and services that serve as a growth engine for top mobile-first businesses worldwide. Our ecosystem includes: SplitMetrics Acquire, a platform for automating and optimizing Apple Ads. SplitMetrics Agency, a full-service mobile marketing agency staffed by top experts. SplitMetrics...

Flexcompute is leading the transformation of engineering simulation with our revolutionary ultra-fast simulation technology. Our flagship products, including the industry-leading Computational Fluid Dynamics (CFD) software Flow360 and electromagnetic simulation software Tidy3D, are reshaping how simulations are conducted across diverse sectors. Founded by...

At Fourthline, our mission is to fight financial crime. We help protect the global financial system by verifying millions of identities for banks, neobanks, online brokers, crypto exchanges, and insurers like N26, Trade Republic, flatexDEGIRO, Nationale Nederlanden, Qonto, Shine, Solarisbank, and more. Prevent financial crime by building best-in-class...

Revolut is seeking a Python Engineer to build high-quality code and innovative solutions for heavily regulated financial systems. You will collaborate with Data Scientists, Analysts, Engineers, Product Owners, and Operations Managers to deliver maximum value to customers. You’ll design APIs, data pipelines, and automated quality controls, shaping the...

Innovamat Education, SL busca un Senior Software Engineer para liderar el desarrollo backend y APIs, trabajando de principio a fin en aplicaciones complejas que impactan la educación. Se valora experiencia en PHP (Symfony) o Python (FastAPI), y conocimiento en arquitectura hexagonal, DDD, TDD y CQRS. Trabajamos en un modelo híbrido, con dos días a la...

You will take ownership of a backend system that is critical to the company and our customers. Hands-on code implementation, code reviews, testing Ensure reliability, performance and correctness. Improve code quality and internal structure where possible. 5 years plus experience building and maintaining production systems as backend engineer ~ Strong...

Location: Barcelona, Spain (Hybrid Model: 3 days in-office / 2 days remote) We are: Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators,...

Backend and AI Engineer needed to build and maintain Node.Js services and APIs, improve MongoDB performance, and develop AI generation workflows for an AI platform.