Here's a refined job posting based on your requirements:
Job Overview:

We seek a highly skilled and results-oriented SEO Expert to significantly boost our website's search engine rankings through a focused back link acquisition strategy. This is a remote freelance position with flexible hours, ideal for someone looking to make a significant impact on our online presence.
Primary Goals:

    Improve Website Ranking: Utilize your expertise in link building to enhance our website's visibility and organic search traffic.
    Back link Target: Secure 100 high-quality, high-authority back links from relevant and reputable websites within a month.
    Weekly Reporting: Provide back link acquisition reports every week. Payment will be made if the links provided meet the initial agreement.

Responsibilities:

    Back link Acquisition Plan: Develop and implement a comprehensive back link acquisition plan tailored to our Indonesia-based website.
    Identify Quality Back links: Secure back links from websites with high Domain Authority (DA) and Trust Flow (TF).
    Relevance: Prioritize back links from websites relevant to our industry and target audience.
    White-Hat Techniques: Ensure all back links are acquired through white-hat SEO techniques and adhere to search engine guidelines.
    Monitoring & Reporting: Monitor and report on the progress of the back link campaign, including its impact on rankings and traffic.

Requirements:

    Proven Track Record: Demonstrable experience in successful backlink acquisition campaigns with results in improving website rankings.
    SEO Knowledge: In-depth knowledge of SEO best practices, link-building strategies, and the latest industry trends.
    SEO Tools Proficiency: Experience with SEO tools like Ahrefs, SE Mrush, or Moz.
    Communication Skills: Strong communication and outreach skills to build relationships with website owners and editors.
    Independence: Ability to work independently, meet deadlines, and deliver results within the agreed-upon time frame.

Additional Information:

    Location: Remote (Preferably based in Indonesia, but we are open to candidates from other locations)
    Contract Duration: The project runs indefinitely, with weekly updates.

How to Apply:

Please submit your portfolio, cover letter, and examples of successful back link acquisition campaigns via direct message. In your cover letter, highlight your experience with Indonesia-based websites and outline your strategies for acquiring high-authority back links.

We look forward to hearing from you!

Feel free to adjust any specifics or let me know if you’d like to add or modify anything further!