ES
Juan Carlos Contreras Gastélum
Business Analyst | Process Automation | Data Analytics
jccontrerasg08@gmail.com|(646) 226-7777|Monterrey, NL, Mexico|linkedin.com/in/juan-carlos-c-a19132211|github.com/jccontrerasg08-cpu

Professional Summary

Business Analyst and recent graduate (Bachelor in Global Business, June 2026) with hands-on experience in business process analysis, requirements gathering, and process improvement projects. Skilled in SQL, Python, Tableau, and Microsoft Office, with a background in accounting, invoicing, and stakeholder management. Experienced in gathering business requirements, preparing business reports, documenting workflows, and supporting data-driven strategies. Strong analytical thinking, problem-solving, and communication skills, collaborating effectively with cross-functional teams in English and Spanish.

Core Competencies

Business Process Analysis • Requirements Gathering • Workflow Documentation • Stakeholder Management • Business Reporting • Process Improvement • Data Analysis • Process Automation • Problem Solving • Cross-functional Collaboration

Professional Experience

Freelance Developer2025 – Present
RFA — Tijuana / Ensenada, Mexico
  • Analyze business processes and gather requirements from finance and operations teams, translating them into automation opportunities and technical solutions.
  • Develop and deliver automated workflows with Python, FastAPI, and Playwright, reducing manual processing time across invoicing and customer service.
  • Build CFDI 4.0 electronic invoicing with SAT stamping, PDF generation, and email delivery, plus integrations with WhatsApp Business API and Telegram.
  • Document workflows, validation rules, and integration procedures for internal users.
  • Collaborate with stakeholders across accounting, sales, and operations to implement process improvements and support project execution.
Sponsorship DirectorJan – Jun 2025
Student Participation Committee — Tecnológico de Monterrey
  • Led the committee's finance area and secured corporate sponsorships for charity events and student initiatives.
  • Managed outreach, proposals, and follow-up with local companies to secure semester resources.
  • Presented financial results and accountability reports to the committee.
Accounting AssistantSep 2019 – Jan 2020
RFA
  • Processed invoices, journal entries, and financial documentation while maintaining accurate records.
  • Supported monthly closing through account reconciliations and financial data validation.
  • Prepared financial reports and improved documentation of accounting workflows and internal controls.
Delivery Driver & Sales AssociateJan – Aug 2019
RFA
  • Supported B2B deliveries, order processing, and customer account follow-up across the Ensenada area.
  • Managed route collections and inventory control, keeping accurate records.
  • Identified upselling opportunities and strengthened relationships with recurring customers.

Education

Tecnológico de Monterrey (ITESM)Aug 2022 – Jun 2026
Bachelor of Global Business — Concentration: Data Analytics & AI Tools
  • Cumulative GPA: 91.76 / 100 — Academic Talent Scholarship (academic excellence distinction).
  • Relevant coursework: Business Strategy, Data Analytics, International Trade, Global Logistics.
Vrije Universiteit AmsterdamAug 2025 – Jan 2026
Cultural Exchange Programme — Business, Management & Negotiation
  • Managing Negotiations: Getting to Yes (Advanced); AI for Business (Advanced); Global Sustainability.
  • Data Structures and Algorithms — 7.0 / 10 (24 ECTS).

Skills

Business Analysis: Business Process Analysis, Requirements Gathering, Stakeholder Management, Workflow Documentation, Business Reporting, Process Improvement

Analytics & Technology: SQL, Python, Pandas, scikit-learn, Tableau, REST APIs, CRISP-DM

Finance & Operations: Financial Analysis, Accounting, Invoicing, Reconciliations, Inventory, International Trade, CFDI 4.0 / SAT, Import/Export, Foreign Trade

Software: Microsoft Office, SAP Fiori, CONTPAQi, SuperCONTABILIDAD, Git, Docker

Certifications

Google Data Analytics — SQL, R, Tableau, end-to-end workflow (2026)
SAP Business Analyst — data analytics and business-process analysis (2026)
McKinsey Forward Program — leadership and structured problem-solving (2026)
Learn SQL Basics for Data Science — UC Davis (2026)

Languages

Spanish (Native) • English (Native, C1 TOEFL / Cambridge) • French (Basic) • Dutch (Basic)