**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); – Management and expansion of strategic accounts within the specialty; – Identification of opportunities to broaden the product portfolio and increase sales; – Negotiation with clinics and strategic accounts; – Strategic deployment of Singular’s portfolio, prioritizing maximum commercial impact; – Enhancement of recurrence and stakeholder loyalty across the specialty; – Development of initiatives to boost sales and strengthen Singular’s brand presence within the specialty; – Participation in events, congresses, and commercial activities; **Requirements and Qualifications** Completed or ongoing undergraduate degree in Business Administration, Commercial Management, or related fields; Basic or intermediate knowledge of specialty medications, high-cost drugs, 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 medication sectors will be considered an advantage; Experience in consultative negotiation and medium- to long-cycle sales