LinkedIn is a business and employment-focused social media platform that works through websites and mobile apps. Launched on May 5, 2003, owned by Microsoft. The platform is primarily used for professional networking and career development, and allows job seekers to post their CVs and employers to post jobs. From 2015 most of the company's revenue came from selling access to information about its members to recruiters and sales professionals. Since December 2016, it has been a wholly owned subsidiary of Microsoft. As of February 2022, LinkedIn has 830+ million registered members from over 200 countries and territories.

LAPRAS provides a career-matching platform connecting engineers to companies. Engineers can automatically generate their profiles based on crawling technology and machine learning analysis. Technical information and orientation are objectively analyzed and provided as a portfolio with LAPRAS, so no additional burden or preparation is required.

Jack & Jill AI is the creator of an AI-powered recruiting tool that aims to automate the job search process. It provides job offers and interview assessments, allowing users to locate jobs without the inconvenience caused by traditional techniques.