Here is a perfectly fine resume that can be half a page for a lead role or higher. Let's say this is a role for a webapp developer and the candidate has 10 years experience. With this resume, which is only half a page, you are probably way ahead of the competition. This is all the info a hiring manager needs.
position
Name/email address
Languages: Java, Python, C++, JS
Experience:
Foo Corp: 2017-2020. Lead Engineer to Principal Engineer. Web App developer for Foo Authentication System and other microservices. Used standard LAMP stack and then Spring Boot.
Bar Corp: 2012-2016. Sr. Engineer to Lead Engineer. Worked on backend order fulfillment logic, developed new test infrastructure for WebApps, client side test harnesses, security test suites, and related work.
Baz Consulting: 2010-2012. Engineer. Worked as consultant for primarily B2B clients, primarily in Java. Delivered over 30 successful projects to spec.
Bat Heavy Industries: 2007-2010. Associate Engineer to Engineer. Started as QA hire and migrated to development, responsible for metrics gathering app, qa infrastructure code, worked in python, java, and other languages.
Education: B.S. Chemistry, Foo State University.