Full-time Backend/AI Enginee

Full-time. Hybrid & flexible, based in Spain. Build bots. Untangle legacy systems. And create tools that actually get used. At Tria Strategy, we don’t just advise companies to modernize—we roll up our sleeves and build the tools to help them do it. We’re looking for a full-time Backend/AI Engineer who’s ready to jump into two worlds: one where we...

Join the Senior Software Engineer - Backend role at Quadrivia AI. Posted 4 days ago – be among the first 25 applicants. About Quadrivia Quadrivia is a health technology company behind Qu, a customizable assistant AI built by clinicians for clinicians. Qu addresses the shortage of healthcare professionals by providing real‑time, personal, and reliable...

A leading AI technology company in Barcelona is seeking a Software Engineer to design and scale platforms for AI voice agents. The role requires strong expertise in Python and software architecture, along with a proactive mindset for innovation. Ideal candidates have a degree in a relevant field and 3-5 years of experience in software development. This...

A fast-growing startup in Barcelona is seeking a seasoned Backend Engineer to join their core tech team. This role involves designing and building scalable backend services and APIs for an AI platform, with a focus on performance improvement and multicloud architecture. The ideal candidate has over 5 years of backend development experience and strong...

A global AI technology company is looking for a Mid-Senior Backend Engineer to define and drive technical roadmaps, lead microservices development, and mentor senior engineers. The ideal candidate will have over 8 years of backend development experience, comprehensive knowledge of the .NET framework, and strong SQL Server skills. This full-time role in...

A cutting-edge AI firm in Barcelona is seeking a Senior Backend Python Engineer to contribute to the development of AI products for Customer Experience. You'll design and maintain scalable backend systems, ensuring performance and seamless integration with machine learning models. Candidates should have over 6 years of backend experience, strong proficiency...

A leading digital solutions provider is seeking a talented Backend Engineer to enhance their AI voicebot and chatbot platform. This role involves migrating existing systems to a modern architecture using Python and Node.js. Candidates should have over three years of backend engineering experience, specifically in real-time APIs and integration with...

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, we foster a culture of growth, collaboration, and impact. Lead the design,...

We are looking for a talented and ambitious Rust Backend Engineer to help design and build the core infrastructure for our cloud-based AI deployment platform. In this role, you will develop the scalable, high-performance backend services that power the deployment, orchestration, and serving of AI models at scale, enabling cutting-edge AI applications to move...

Key Responsibilities Design, build, and maintain cloud-native backend services in Rust that support AI model deployment, inference, lifecycle management, and monitoring. Develop robust APIs and orchestration components to manage deployment workflows. Architect low-latency, high-throughput inference services optimized for real-time AI applications running in...