Search for website with large database in modx

Need a programmer to update the website with knowledge of modx cms and html, php, java. Experience required, positive feedback from employers is highly desirable.
Before publishing proposals, please refer to the file attached.

Task – development of a new site search. Payment on request after getting acquainted with the job.
Requirements to the contractor: the ability to understand someone else's code, accuracy and punctuality, strict execution of tasks within the established deadlines (budget and timeline coordinate together after studying the issued task).

The link to the site, study site description, to operate the assignments in the attached file. A prospective performers required:
1) familiarize with the task;
2) to offer value and deadline in days;
3) indicate your regular hours in online discussion of the project, the ability to work on weekends;
4) specify the acceptable methods of payment