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J

Juan

Software Engineer with 5 years of expertise in web development and design

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Bucaramanga, Santander Department, Colombia
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Competencies

JavaScriptAdvanced

Utilized JavaScript extensively in developing interactive web applications and enhancing user interfaces.

ReactJSAdvanced

Built dynamic, responsive front-end components for various client projects using ReactJS.

HTML & CSSExpert

Designed and implemented websites with a focus on accessibility, responsiveness, and clean code standards.

Agile MethodologyIntermediate

Participated in sprints and daily stand-ups to deliver iterative advancements in software projects.

Git/version controlExpert

Managed code versions seamlessly across teams, enabling collaborative development and code review.

Education

High School
Fundación Educativa de Montelibano (FEM)
Completed 2006
Bachelors degree
UNIASTURIAS
Completed 2026
ESL program
East Village Kaplan Aspect
Completed 2010

Summary

A dedicated software engineer with 5 years of experience in creating scalable web applications, improving website performance, and collaborating within Agile teams to deliver high-quality digital solutions.

Key Achievements

  • Led the development of a scalable e-commerce platform handling 10,000+ daily transactions.
  • Redesigned company's main website increasing user engagement by 40%.
  • Streamlined codebase, reducing load times by 30% and improving performance.

Experience

US Billing Team Leader

UPS
2018 - 2023

Led and perform account reconciliation and billing adjustment projects for clients across the US, Asia, and Europe., Monitor outstanding balances and follow up on overdue payments by using Oracle, Salesforce, excel and accounting programs daily., Prepare and issue customer invoices for the customers as well as monthly closings of the billing cycle using different accounting software to follow company guidance., Performing weekly audits to each process of the team this way findings can be seen and corrected, and a good service experience can be giving to UPS customers each day., Weekly reports to manager and supervisor about the audits to the teams and findings as well as high lights and conclusion of the weekly performance., Creation and review of manuals for every intercompany billing process done by the team, this way ensuring the continuity over time of the job., Handles credit notes, return invoices, billing adjustments, and reconciliations between billing systems and the general ledger (GL)., Maintain and update accounting databases on Access and Oracle daily, based on the data received trough different certificate channels within the company.

Purchase Coordinator

Los Clavos Express SAS
2012 - 2014

Managed purchasing, product marketing, sales, and financial accounting.

Sales Associate

Dalmás Jewelry Corp
2009 - 2012

Sales of gold, platinum, and silver jewelry., Responsible for gemstone certification and full customer service management, collection and account reconciliation.

Skills

JavaScriptReactJSHTML & CSSAgile MethodologyGit/version control
Published on CazVid - May 17, 2026
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