Here is a polished version of your job posting:
About Us:
We are a new ladder transport tool company seeking an experienced Brand Designer to finalize our brand colors and font pairings. Our core colors will be black and dark blue, with grey and white as accent colors. Additionally, we want to explore an additional accent color (e.g., another shade of blue or yellow) to enhance the brand’s visual appeal.

Scope of Work:

    Develop 10 color palette options that align with our brand identity, each with visual representations.
    Recommend font pairings that complement our existing logo font (logo font details will be provided).
    Create basic brand guidelines for the use of selected colors and fonts across different mediums (website, print, etc.).

Requirements:

    Proven experience in brand design with a strong portfolio.
    Expertise in color theory and creating visually harmonious palettes.
    Experience in font pairing to ensure consistent and cohesive branding.
    Ability to deliver clear and professional brand guidelines.

Deliverables:

    10 color palette options with visual representations.
    Font pairing recommendations, focusing on body text that complements the logo fonts.
    A basic brand guidelines document outlining how to use the selected colors and fonts effectively.

How to Apply:
If you have a keen eye for color, a passion for typography, and experience crafting distinctive brand identities, we’d love to see your portfolio! Please submit your application along with any relevant work that highlights your expertise in brand design.

This version clearly outlines your expectations and attracts qualified designers.