Utilize the input text as a context reference, choose the right relationship between Jira and Atlassian from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Our engineers use Ruby on Rails, and the team as a whole works with several tools, such as Salesforce to track leads, Amazon S3 for IT storage, Atlassian Jira and Confluence for tracking and documenting progress, and Act-On, Nickelled, SEO Monitor and Google Analytics for marketing.

Answer: developer