**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, excel at relationship building, and enjoy working strategically, autonomously, and with a results-oriented mindset. **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 promote Singular’s portfolio, prioritizing maximum commercial impact; – Enhance recurrence and foster loyalty among all stakeholders within 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** 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, clinical reports, authorizations). Prior experience in external B2B or B2C sales. Experience conducting commercial visits, maintaining continuous relationships, and managing client portfolios. 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.