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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Engineer, AI Platform - **Company:** Ai-powered - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** PHP (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Application Integration Architecture, Software as a Service, Python (Programming Language), Software Product Management, Raw Data, Next.js, Systems Integration, Large Language Models, Multi-Agent Systems, Backend, Build Management, AI Platforms, Front End Software Development, Api Design, Restful APIs, Service Stack, Golang - **Published:** September 7, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role + 5+ years of professional backend engineering experience, ideally within a SaaS environment. + Strong proficiency in Python and experience building production-grade backend services. + Solid experience working with REST APIs and SaaS integrations. + Familiarity with modern LLM and AI development tools and frameworks, such as LangChain, Vercel AI SDK, and MCP servers. + Comfortable working alongside Python-based AI services and bridging different technology stacks. + Strong understanding of backend architecture, scalable services, API development, and production reliability. + Strong collaboration and communication skills, with the ability to work effectively across product, platform, frontend, and integration teams. + Experience with PHP and/or Golang is considered a plus. + Ability to work effectively in a fully remote, international environment and collaborate with colleagues and internal customers across EMEA. ## Description This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Engineer, AI Platform based in Spain. Join an AI-focused engineering team building the next generation of intelligent features for a leading SaaS platform. You will turn AI models and raw data into reliable, customer-facing capabilities that create smarter and more personalized experiences. The role centers on backend development in Python, with a strong focus on APIs, services, integrations, and AI orchestration. You will work closely with frontend, product, platform, and integration teams to embed AI seamlessly into existing workflows. Your work will directly influence automation, customer insights, and the way users interact with AI-powered product capabilities. You will also help evolve the technical foundation supporting LLM integrations, observability, and production reliability. This is a fully remote opportunity for an EMEA-based engineer looking to make a meaningful impact at the intersection of backend engineering and AI. Accountabilities + Design and build backend services that integrate AI capabilities into customer-facing product features. + Develop performant, scalable APIs and backend services that connect AI outputs with SaaS functionality and customer workflows. + Collaborate with product and design teams to create intuitive and valuable AI-driven user experiences. + Partner with platform and integration teams to embed AI capabilities into existing systems, services, and workflows. + Implement observability, monitoring, error handling, and reliability practices for AI services operating in production. + Contribute to the evolution of the AI integration stack, including Python SDKs, MCP servers, and LLM orchestration. + Help ensure AI-powered features are seamlessly integrated into the wider SaaS platform and deliver smarter, faster, and more personalized customer workflows. + Become a trusted engineering partner for AI product integration across the organization. ## Related Videos - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang) - [From Zero to Hero: NextJS 13 and Tailwind CSS for Beginners](https://www.wearedevelopers.com/videos/766-from-zero-to-hero-nextjs-13-and-tailwind-css-for-beginners) ## Related Articles - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development)