Pangian specializes in remote jobs at leading, reputable companies. They have a database of 400,000+ jobs in over 150 countries. You can filter the jobs by cateogry, country / location and keywords. Some jobs are only accessible at the Pro tier that costs $14.99/month or $99 annually.

Working Nomads is a job board with only 100% remote jobs. It has a mix of tech and non-tech jobs. You can filter by location, keywords, contract type, and category.