Empleos de backend developer - python en Barcelona

**Job Title:** Software Engineering **Job Type:** Contractor (10-12 hours per week) **Location:** Remote **Job Summary** We are looking for experienced software engineers to help train and evaluate next-generation AI systems through real-world software engineering tasks. This role is best suited for developers who can reason through...

**ABOUT THE ROLE** We are looking for an analytical, automation-driven, and technically versatile professional who thrives at the intersection of AI systems, workflow automation, and customer operations. The AI Automation Engineer combines deep technical expertise in LLM-powered agents and REST API integration with a clear understanding of customer service...

Who we are: At Rover, pets and their people are at the heart of everything we do. We connect pet parents with trusted pet care across the U.S., Canada, Europe, and Australia. Headquartered in Seattle and Barcelona, we’re a values driven, fast-growing tech company focused on building safe and personalized experiences tailored to the needs of...

**Who we are:** At Rover, pets and their people are at the heart of everything we do. We connect pet parents with trusted pet care across the U.S., Canada, Europe, and Australia. Headquartered in Seattle and Barcelona, we’re a values driven, fast-growing tech company focused on building safe and personalized experiences tailored to the needs of each...

About GenLayer LabsGenLayer Labs is a decentralized AI research collective building the trust infrastructure for the AI Age. We develop GenLayer—an open, AI‑driven Court of the Internet—a synthetic jurisdiction where autonomous agents and protocols can reason, transact, and govern at machine speed with sovereignty, transparency, and trust. Our...

Who we are At Rover, pets and their people are at the heart of everything we do. We connect pet parents with trusted pet care across the U.S., Canada, Europe, and Australia.Headquartered in Seattle and Barcelona, we’re a values driven, fast-growing tech company focused on building safe and personalized experiences tailored to the needs of each unique pet....

Nombre de vacante Pentaho DeveloperDescripción: We are looking for a Pentaho Developer to join our Sage HCM Localisation engineering team and support the generation, maintenance, and evolution of reporting systems across the Sage HCM ecosystem. This role is well suited to a developer with strong relational database skills, solid SQL experience, and...

At Viaplay Group, we entertain millions of people every day through our streaming services, radio networks, and TV channels. We believe in the power of content not just as a way of telling stories and touching lives, but also expanding worlds. We’re looking for the best people to join us on our journey. Right now, we’re searching for a **Principal...

Since 2015, papernest has been transforming the way people manage their contracts, making subscription, management, and switching simple through one smart, intuitive platform. We have supported more than 2 million customers across France, Spain, and Italy. Along the way, we have continued to invest in new verticals, establishing papernest as a...

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by...

**Job Description** **Job Title:** Senior Full Stack Engineer **Job Type:** Contract **Location:** Remote **Job Summary:** In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is...

One of the companies we partner with at Joppy is looking to hire a **Performance Engineer** passionate about driving the performance of web applications through systematic testing, optimization, and a collaborative approach. **🎯 Responsibilities** - Conduct regular performance, load, and stress tests on web applications to ensure compliance with defined...

Mindrift is looking for skilled Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API) to join the Tendem project (https://tendem.ai/) and build conversational bots and messaging-platform integrations within our hybrid AI + human environment. In this role, as an AI Pilot - that's how we refer to this position at Mindrift - you'll...

En QuéBueno!, somos pioneros en el sector Fintech en España, transformando la forma en que las personas gestionan su financiación a corto plazo de manera rápida, ágil y 100% digital. Buscamos un/a Backend Developer con un perfil resolutivo, inquieto/a y con ganas de evolucionar nuestra tecnología. Si eres una persona doer a la que le...

Descripción de la vacante ¿Te apasiona el mundo de la energía? ¡Estamos creciendo! Buscamos un/a Backend Developer para unirse a nuestro equipo en Barcelona (Sant Just Desvern), con al menos 2 años de experiencia en el sector. ¿Tu rol? Participar en el desarrollo y evolución de nuestras aplicaciones de negocio,...

About Us At Visium, we enable enterprise executives to define their AI & Data strategy, execute large-scale transformations, and deploy AI across operations - ensuring their organizations become truly future-proof. Born as a spin-off from Visium, we're now channeling this deep enterprise expertise into something new: a category-defining Agentic AI product...

Job Title: Software Engineering Job Type: Contractor (10-12 hours per week) Location: Remote Job SummaryWe are looking for experienced software engineers to help train and evaluate next-generation AI systems through real-world software engineering tasks. This role is best suited for developers who can reason through unfamiliar...

About EdgeTierAt EdgeTier, we empower customer care teams by seamlessly combining AI, automation, and human expertise. Our award-winning technology enables some of the world’s most innovative companies to deliver exceptional customer service while gaining deeper insights into their customers. We’re on a mission to revolutionise customer...

Buscamos un/a Software Developer para incorporarse a un equipo joven y dinámico que trabaja en la evolución de una plataforma ya existente de gestión logística. El rol combina el desarrollo de nuevas funcionalidades y evolutivos con la gestión de incidencias y soporte técnico sobre la plataforma en producción, trabajando sobre una arquitectura ya...

ADP is hiring a Backend Developer.   In this role, you will join a team to build a centralized knowledge base and tooling in support of NextGen payroll. No two days are the same. You will work alongside a team of other passionate, creative developers to complete sprints identified during scrum meetings, where we tackle problems and prioritise what we...