Here are some powerful adjectives you can use to describe yourself on a sales resume:

Results-driven Goal-oriented
Motivated Communicative
Persuasive Resourceful
Dynamic Competitive
Proactive Enthusiastic
Energetic Detail-oriented
Charismatic Innovative
Adaptable Resilient
Strategic Trustworthy
Customer-focused Professional

Using these adjectives can help paint a strong picture of your qualities and strengths as a sales professional.