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Ana Sofia Castillo

Billing Assistant
Skills
(Self-evaluation)
Languages
English:
  • Fala
    50%
  • Leitura
    55%
  • Escrevendo
    50%
Spanish:
  • Escrevendo
    100%
  • Leitura
    100%
  • Fala
    100%
Professional profile

Systems Engineer with experience in administrative, operational, and technological management in the industrial and hydrocarbon sectors. Expert in automation, technical support, databases, and development with Ruby, JavaScript, and PHP.

Work experience

Billing Assistant
redes humanas | January 2025 - Present (1 year 10 months)
Used skills

Technical support, SAP administration, management of dispatch guides, requests for credit and debit notes, process automation and remote support for terminals.

Major achievement

SAP administration, remote technical support, automation of billing requests, and use of TMS6 and SIGDI for operations control.

Api Developer
primax colombia s.a. | July 2024 - July 2026 (2 years)
Used skills

Development of scripts for automation, technical support, digitization, document management, automation of digital guides, automated validations and administration of requests in corporate systems.

Major achievement

Automation of reports with Ruby and JavaScript scripts, data integration, technical support, version control on GitHub, optimization of logistical and administrative processes.

Administrative Assistant
redes humanas | June 2025 - August 2025 (2 months)
Used skills

Technical support to the supervisory team, data management, task automation, and support for internal and external users through digital tools.

Major achievement

Ruby on Rails project development, technical support, automation of administrative tasks, and management of digital platforms.

Education experience
Basic and Intermediate Excel Course
Sena | Bootcamp
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