I am a detail-oriented finance professional with over 10 years of experience in billing, collections and debt management across energy, retail and market research sectors. I excel at leading billing and debt teams, managing end-to-end invoicing cycles, and driving process improvements, including system migrations. I am fluent in English and Lithuanian with working knowledge of Portuguese and Russian, and I thrive in cross-functional collaboration under tight deadlines. I have repeatedly delivered accurate billing, improved cash flow, and enhanced operational efficiency by coordinating across Finance, Sales and Customer Service. My strengths include team leadership in remote settings, governance of billing policies, and a proven track record of implementing scalable solutions that reduce cycle times and errors.

Rugilė Mikalainytė

I am a detail-oriented finance professional with over 10 years of experience in billing, collections and debt management across energy, retail and market research sectors. I excel at leading billing and debt teams, managing end-to-end invoicing cycles, and driving process improvements, including system migrations. I am fluent in English and Lithuanian with working knowledge of Portuguese and Russian, and I thrive in cross-functional collaboration under tight deadlines. I have repeatedly delivered accurate billing, improved cash flow, and enhanced operational efficiency by coordinating across Finance, Sales and Customer Service. My strengths include team leadership in remote settings, governance of billing policies, and a proven track record of implementing scalable solutions that reduce cycle times and errors.

Available to hire

I am a detail-oriented finance professional with over 10 years of experience in billing, collections and debt management across energy, retail and market research sectors. I excel at leading billing and debt teams, managing end-to-end invoicing cycles, and driving process improvements, including system migrations. I am fluent in English and Lithuanian with working knowledge of Portuguese and Russian, and I thrive in cross-functional collaboration under tight deadlines.

I have repeatedly delivered accurate billing, improved cash flow, and enhanced operational efficiency by coordinating across Finance, Sales and Customer Service. My strengths include team leadership in remote settings, governance of billing policies, and a proven track record of implementing scalable solutions that reduce cycle times and errors.

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Language

Lithuanian
Fluent
English
Fluent
Russian
Intermediate
Portuguese
Beginner

Work Experience

Head of Billing and Debt at Enefit UAB
April 1, 2018 - April 1, 2025
Managed billing and debt operations, led a remote team, resolved billing discrepancies, monitored overdue payments and coordinated collections. Launched and managed a major billing-system migration to automate the B2B billing process, improving billing accuracy, shortening billing cycles, and increasing operational efficiency. Defined performance goals, tracked team performance, and ensured billing compliance with company policies. Coordinated with cross-functional departments (finance, sales, customer service) to maintain seamless billing operations.
Billing Specialist at Enefit UAB
September 1, 2014 - March 1, 2018
Prepared and issued accurate invoices for clients, ensuring timely billing processes. Reviewed customer contracts to verify billing details, ensuring correctness. Monitored accounts receivable, tracked overdue payments and supported collections efforts. Collaborated with finance, sales and customer service teams to streamline billing and collections operations.
Administrator / Book-keeper at UAB Litfarma
March 1, 2014 - September 1, 2014
Managed invoicing and client orders, ensuring timely and accurate billing. Assisted the chief accountant with administrative tasks and supported export-development initiatives. Worked cross-departmentally to improve billing and order-invoicing workflows.
Financial Assistant at GfK Customer Research Baltic
January 1, 2012 - March 1, 2014
Handled financial control, reporting, documentation management, invoicing and primary bookkeeping. Managed personnel and HR-related administrative tasks concurrently. Monitored debts and contributed to smooth administrative and financial operations.
Field-work Project Manager at GfK
June 1, 2008 - January 1, 2012
Coordinated CATI field-work projects, ensuring accurate data collection and project management. Managed office administration, documentation, data processing, and invoicing support where relevant.
Data Manager / Office Administrator at GfK
June 1, 2008 - January 1, 2012
Supported data processing, documentation, and invoicing tasks while coordinating office operations and administrative workflows.

Education

Master’s degree in International Economics at Vilnius University
January 11, 2030 - November 30, 2025
Bachelor’s degree in Business Management at Vilnius Gediminas Technical University
January 11, 2030 - November 30, 2025
Secondary School at Vilnius Gabijos Gymnasium
January 11, 2030 - November 30, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Energy & Utilities, Retail, Professional Services

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