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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Developer - **Company:** shiji group - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Microsoft Azure, Cloud Computing, Cloud Engineering, Data Intelligence, Python (Programming Language), Azure Machine Learning, Software Engineering, AWS Cdk, GitHub Copilot, Retrieval-Augmented Generation, Solid Principles, Api Design, Api Gateway - **Published:** September 19, 2026 - **Apply:** https://www.buscojobs.com.es/senior-software-developer-en-madrid-ID-370493085 ## About the Role AI-enabled developer: fluent using AI coding assistants (Claude Code, Codex, GitHub Copilot, etc.) as a core part of daily workflow, not occasional use. This team builds AI tooling and is expected to practice what it builds. Minimum 3 years of professional software development experience Solid backend engineering fundamentals: API design, distributed services, cloud-native development Strong Python skills as our infrastructure and services are primarily Python-based Sound grasp of SOLID principles and clean software design Experience with AWS (Lambda, API Gateway, Bedrock, or similar managed AI/ML services) or similar cloud provider, such as Azure, GCP. Comfortable in a fast-moving environment where requirements evolve from PoC to production Nice to have AWS CDK experience (infrastructure-as-code) AWS Bedrock AgentCore experience RAG (Retrieval-Augmented Generation) and knowledge base experience Agent development experience LangGraph, LangChain, Google ADK, Anthropic Agent SDK, or similar frameworks. Significant plus, as this team builds and orchestrates agentic AI systems Familiarity with tool-integration protocols for AI systems (e.g. MCP or similar) ## Description Company Description Shiji is a global technology company dedicated to providing innovative solutions for the hospitality industry, ensuring seamless operations for hoteliers day and night.Built on the Shiji Platform-the only truly global hotel technology platform-Shiji's cloud-based portfolio includes Property Management System, Point-of-Sale, guest engagement, distribution, payments, and data intelligence solutions for over 91,000 hotels worldwide, including the largest chains.The best hotels run on Shiji-day and night.Your role Shiji Group focuses on the development of the Shiji Enterprise Platform, a comprehensive management platform for hotels.We're building a new team dedicated to AI-driven products and platform infrastructure.This is a dedicated engineering group, not a support function, you'll be building the AI tooling, agent infrastructure, and integration layers that other teams rely on.RequirementsAI-enabled developer: fluent using AI coding assistants (Claude Code, Codex, GitHub Copilot, etc.) as a core part of daily workflow, not occasional use.This team builds AI tooling and is expected to practice what it builds.Minimum 3 years of professional software development experienceSolid backend engineering fundamentals: API design, distributed services, cloud-native developmentStrong Python skills as our infrastructure and services are primarily Python-basedSound grasp of SOLID principles and clean software designExperience with AWS (Lambda, API Gateway, Bedrock, or similar managed AI/ML services) or similar cloud provider, such as Azure, GCP.Comfortable in a fast-moving environment where requirements evolve from PoC to productionNice to haveAWS CDK experience (infrastructure-as-code)AWS Bedrock AgentCore experienceRAG (Retrieval-Augmented Generation) and knowledge base experienceAgent development experience LangGraph, LangChain, Google ADK, Anthropic Agent SDK, or similar frameworks.Significant plus, as this team builds and orchestrates agentic AI systemsFamiliarity with tool-integration protocols for AI systems (e.g. MCP or similar)BenefitsGrowth and well-being through access to platforms like Pluralsight, GoodHabitz, and OpenUp.Flexible work schedule/hybrid working model.Free coffee, fresh fruit at the office.Brand new office located in the center of Barcelona.International team and fantastic work environment.Team building activities and charity donation program.#J-*****-Ljbffr ## Related Videos - [Building Reliable Serverless Applications with AWS CDK and Testing](https://www.wearedevelopers.com/videos/812-building-reliable-serverless-applications-with-aws-cdk-and-testing) - [Agentic AI - From Theory to Practice: Developing Multi-Agent AI Systems on Azure](https://www.wearedevelopers.com/videos/1532-agentic-ai-from-theory-to-practice-developing-multi-agent-ai-systems-on-azure) - [20 billion requests a week: Upgrading Twilio's API gateway at scale](https://www.wearedevelopers.com/videos/100234-20-billion-requests-a-week-upgrading-twilio-s-api-gateway-at-scale) - [API Design - Getting Started](https://www.wearedevelopers.com/videos/33-api-design-getting-started) - [Building the next generation of AI developer tools](https://www.wearedevelopers.com/videos/100069-building-the-next-generation-of-ai-developer-tools) - [The power of Cloud Development Kit (CDK): How to get the most out of it](https://www.wearedevelopers.com/videos/740-the-power-of-cloud-development-kit-cdk-how-to-get-the-most-out-of-it) ## Related Articles - [What is Agentic Programming and Why Should Developers Care?](https://www.wearedevelopers.com/magazine/625-what-is-agentic-programming-and-why-should-developers-care) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The State of WebDev AI 2025 Results: What Can We Learn?](https://www.wearedevelopers.com/magazine/581-the-state-of-webdev-ai-2025-results-what-can-we-learn)