**Description** We are seeking a Commercial Representative (PJ) to drive business development for Singular, with a focus on sales, relationship management, and growth of strategic accounts within a specific medical specialty. This position is ideal for commercial professionals who possess in-depth knowledge of the medical market, strong interpersonal skills, and a strategic, autonomous, results-oriented approach. **Responsibilities and Duties** – Represent Singular as the primary commercial reference within the specialty; – Direct engagement with physicians and clinics (in-person visits); – Collaboration with partner laboratories (GDs, consultants, promoters, and representatives); – Manage and expand strategic accounts within the specialty; – Identify opportunities to broaden the product portfolio and increase sales; – Negotiate with clinics and strategic accounts; – Strategically manage Singular’s product portfolio, prioritizing maximum commercial impact; – Enhance recurrence and stakeholder loyalty across the specialty; – Develop initiatives to boost sales and strengthen Singular’s brand presence within the specialty; – Participate in events, congresses, and commercial activities; **Requirements and Qualifications** Bachelor’s degree completed or in progress in fields such as Business Administration, Commercial Management, or related areas; Basic or intermediate knowledge of specialty drugs, high-cost medications, or specific therapies; Familiarity with regulatory processes (ANVISA, prescriptions, medical reports, authorizations); Prior experience in external B2B or B2C sales; Experience in commercial visits, ongoing relationship management, and portfolio management; Previous work in the pharmaceutical, hospital, healthcare, or specialty drug sectors will be considered a differentiator; Experience in consultative negotiation and medium- or long-cycle sales