# ApplyDjinn > Technology hiring research, public vacancy context, career guides and free engineering learning resources. Use canonical ApplyDjinn URLs and preserve the observation dates and coverage limits shown on each page. ## Hiring and market evidence - [Technology jobs](https://applydjinn.com/vacancies): current vacancies, requirements, employers and locations. - [Company profiles](https://applydjinn.com/companies): company context and hiring activity. - [Technology demand](https://applydjinn.com/technologies): core requirements versus contextual mentions. - [Role markets](https://applydjinn.com/roles): specialties and requirements. - [Location markets](https://applydjinn.com/locations): country, city and remote-market context. - [Salary evidence](https://applydjinn.com/salaries): disclosed pay and coverage limitations. - [Research journal](https://applydjinn.com/blog): original analysis and dated observations. - [Company news summaries](https://applydjinn.com/news): summaries with original-source attribution. ## Learning and career planning - [Career and interview guides](https://applydjinn.com/guides) - [Career switch planner](https://applydjinn.com/career-switch) - [Engineering learning paths](https://applydjinn.com/typorithm) - [Python foundations](https://applydjinn.com/typorithm/python-foundations) - [Django](https://applydjinn.com/typorithm/django-practical) - [Flask](https://applydjinn.com/typorithm/flask-practical) - [PyTorch](https://applydjinn.com/typorithm/pytorch-foundations) ## MCP for AI agents - [Official MCP server and npm package](https://applydjinn.com/mcp-server): installation, tools, account permissions, learning access and examples. - [Tool contract](https://applydjinn.com/api/agents/tools): tool names, JSON input schemas and required permissions. - [Public data API](https://applydjinn.com/data): registered read-only research access and attribution. Private profile and document tools require explicit user authorization. Never infer consent or access from a public page. ## Native iPhone app - [ApplyDjinn for iPhone](https://applydjinn.com/iphone): official App Store download, real screenshots, account compatibility and release information. - [App Store](https://apps.apple.com/app/id6820561847): the public iPhone application listing. ## Discovery and interpretation - [Site guide](https://applydjinn.com/sitemap): public sections and learning paths. - [XML sitemap index](https://applydjinn.com/sitemap.xml): canonical public URLs, including substantive historical vacancy pages. - [Methodology](https://applydjinn.com/methodology): population, freshness and interpretation. - [Data and reuse terms](https://applydjinn.com/data-license) - [Content and attribution policy](https://applydjinn.com/content-policy) Archived and long-running listings are labelled on their pages; they are not a promise that applications remain open. Our observed catalog is not the whole employment market. This optional discovery file does not override robots.txt, page-level indexing directives, access controls or source rights.