Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
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Guilherme Cristovam Simão

Guilherme Cristovam Simão

Lisbon,Lisboa

Summary

Dedicated Fullstack Web Developer and API specialist with nearly four years of experience at DXC Technology, primarily in the energy and gas sector. Proficient in backend technologies including PHP/Laravel and .NET, as well as frontend development using Angular. Strong expertise in API integration through REST/SOAP via IBM API Connect. Actively involved in all stages of the development lifecycle: requirement analysis, design, implementation, testing, and ongoing support. Committed to delivering high-quality solutions that drive efficiency and innovation in complex projects.

Overview

4
4
years of professional experience
1
1
Certification

Work History

Fullstack Web Developer

SU ELETRICIDADE (EDP)
10.2021 - 11.2022
  • Backend: PHP (Laravel); Frontend: Angular; CMS: Drupal.
  • Designed and maintained SQL databases.
  • Supported documentation, testing and Agile ceremonies.

Backend Developer

(GALP)
11.2022 - 03.2023
  • Developed internal .NET (K2) tools.
  • Managed and updated SQL databases.
  • Participated in functional documentation analysis and testing support.

Fullstack Web Developer

D2D Lead Management (EDP)
05.2023 - 12.2023
  • MVP project: full lifecycle from initiation to delivery.
  • Backend: PHP (Laravel); Frontend: Angular; SQL Database.
  • Led and supported two junior developers.
  • Defined system architecture and guided implementation.
  • Contributed to documentation and refinements.

API Developer

Total Energies
12.2023 - 07.2024
  • Developed and maintained APIs using IBM API Connect.
  • Conducted functional testing with SoapUI.
  • Maintained regular communication with Spanish-speaking teams.
  • Contributed to documentation and user story refinements.

API Developer

EDP
12.2023 - Current
  • API development and management using IBM API Connect (REST & SOAP).
  • Automated testing with SoapUI and GitHub Actions (Python scripting).
  • Developed and maintained custom logic with GatewayScript (JavaScript).
  • Full involvement in the API lifecycle: analysis, design, development, testing, and support.
  • Supported QA and validation processes.
  • Close interaction with multiple stakeholders: EDP, E-REDES, DGU, Total Energies, Brazil and Spanish teams.
  • Contributed to documentation, refinements and gap analysis.

Education

Bachelor's - Computer Engineering

IADE – Creative University
Lisbon

Skills

  • Frontend: Angular (TypeScript), Drupal
  • Backend: PHP (Laravel), NET (K2), SQL
  • APIs: IBM API Connect, REST, SOAP, SoapUI
  • Databases: SQL
  • CI/CD & DevOps: GitHub Actions (Python scripting)
  • GatewayScripts: JavaScript (IBM API Connect)
  • Other Tools: Git, Jira, Confluence, Visual Studio, Postman

Certification

  • PHP
  • Angular
  • REST API
  • IBM API Connect

Languages

Languages: Portuguese (native), English (B2), Spanish (A1 - practical experience)

Timeline

API Developer

Total Energies
12.2023 - 07.2024

API Developer

EDP
12.2023 - Current

Fullstack Web Developer

D2D Lead Management (EDP)
05.2023 - 12.2023

Backend Developer

(GALP)
11.2022 - 03.2023

Fullstack Web Developer

SU ELETRICIDADE (EDP)
10.2021 - 11.2022

Bachelor's - Computer Engineering

IADE – Creative University

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Guilherme Cristovam Simão