The leading 5 portals are as follows:
1. LinkedIn- There's a lot of advice out there on how to find a job. But LinkedIn is one of the best places to start: With more than 500 million users and 10 million active jobs, it's the go-to network when you're looking for work.
2. Indeed- Indeed is the leading job search engine and career platform, serving the world’s largest network of job seekers to millions of employers. They connect your skills and interests with top companies and place you into the ideal positions for you in 150+ countries.
3. Naukri- Naukri is the best job portal for every job seeker. Naukri is helping you get your desired career and related jobs by providing a variety of resources, tools, tips and techniques needed to make a successful job search.
4. Monster- Monster is a great place to post your resume and look for jobs. The tool is easy to use, and the information it shows helps you prepare and strengthen your application so that you can stand out from the other candidates applying.
5. Glassdoor- Glassdoor is the leading job site for today's job seekers and companies. They connect people with job opportunities, help them become more competitive in their careers, and empower employers to hire more talent.
Talking about the top skills, machine learning and mobile development are the two skills in demand nowadays. In addition, SEO is a highly sought-after skill, along with marketing and data visualisation.
For more information, you can refer to the Seekho series:
https://seekho.ai/video/top-5-job-portals-and-skills-in-demand/VI-131-14468