As it depends on your profile. You have to build your profile according to your services. When your profile get mature and and you do some related jobs. Then the invitation will be starte automatically.
The kind of photo retouching that you're doing is a massively overcrowded category, with tens of thousands of freelancers. Upwork rotates the search results to give everyone a chance, but with so many freelancers, you'll hardly ever appear near the top of the list. The best thing that you can do in your category is to refresh the jobs feed often and apply for new jobs as quickly as you can (while taking enough time to write a good proposal, of course).
Upwork is an online platform that connects freelancers with clients who need their services. Here is a step-by-step guide on how to get a Product Photo Retouching job invitation from Upwork:
Create an account on Upwork: Go to the Upwork website and create an account. Provide your personal information and sign up as a freelancer.
Build your profile: Once your account is created, complete your profile by providing information about your skills, experience, and portfolio. Make sure to add samples of your work related to Product Photo Retouching.
Search for relevant jobs: Once your profile is complete, search for jobs related to Product Photo Retouching. You can use the search bar at the top of the page or filter by category, location, and experience level.
Submit a proposal: When you find a job that interests you, submit a proposal to the client. Make sure to include information about your experience and qualifications, as well as a link to your portfolio. Tailor your proposal to the specific job and client.
Follow up: After submitting your proposal, follow up with the client to ensure they received it. You can do this by sending a message or leaving a comment on the job post.
Network: Networking is a great way to increase your chances of getting a job invitation. Connect with other freelancers and clients in your field and take part in the Upwork community.
Keep your profile updated: Keep your profile up to date, add new sample of your work and skills, as this will make your profile more attractive to clients.
It's worth noting that getting a job on Upwork can be competitive, and it may take some time before you get an invitation for a job. But by following these steps and continuing to market yourself on the platform, you can increase your chances of getting hired.