Sangmi "Stella" Lim Email & Phone Number

• Conduct contextual inquiries and user interviews to discover user problems and to develop personas and user journey maps• Synthesize themes based on research and ideate with other UX designers to find solutions for the user pain points• Create paper wireframes, digital wireframes and high-fidelity prototypes according to current design systems• Prepare for usability testing questionnaires and conduct the usability testings with potential users and internal users• Iterate on solutions in order to make user-friendly products in both desktop and mobile• Present ideas and prototypes to stakeholders

Fairfax, Virginia, United States

• Developed and maintained uniform payment application templates for 170+ subcontractors to streamline processes between the accounting and construction departments• Reviewed and managed cost control tracker to ensure vendors are billing according to proper contract rates and fix calculation errors • Identified and addressed discrepancies in invoices to vendors, procurement and construction departments to resolve problems• Notified the procurement department when the budget is short and applied credits within the internal system to correct financial issues• Processed payments to vendors and subcontractors and reported the status of accounts payable in a timely manner• Prepared internal invoices to make sure payment is within the budget and to get approvals from upper management• Reviewed and processed retainage claims from subcontractors• Accounted, reversed and transferred accruals during month-end closing period• Created stock output for the construction department to manage stock

Manassas, Virginia, United States

• Led 5 team members during the reorganization to create new procedures with upper management and set up new guidelines as the company transferred from a private company to publicly traded company• Collaborated with 5 departments to modify the ERP system for initial set up and tailor it for the specific use case needs for the North Eastern region of the corporation • Tested version specific software during multiple iterations of SagePro SBT for an error-free transition and provided feedback to improve efficiency and productivity• On-boarded and trained 7 team members to the North Eastern Billing team, teaching them to deliver at the expected level of quality

Manassas, Virginia, United States

• Analyzed and contacted 60+ builders to resolve billing discrepancies and ensure timely payments• Reviewed custom orders for installation and processed invoices for builders within the construction industry• Created accrual report, deferral report, and aging report for month-end closing• Performed collection and reconciliation of ACH and paper check payments• Assisted controller for year-end task by preparing 1099 forms for 160+ subcontractors

Annandale, Virginia, United States

• Communicated with students via phone, email and in-person to recommend future classes• Updated database with incoming student information and prepared official documents to present educational status of current and former students for external parties• Assisted program coordinator with research in order to create reports in regards to diversity and achievements of students

Falls Church, Virginia, United States

• Generated invoices in the media industry to present orders for schools and libraries• Finalized DVDs by editing into chapters from educational videos and designed covers of final products to deliver to schools and libraries• Updated company website to promote new releases and managed customer database to inform customer relationship management efforts