Gustavo Adolfo Portillo Avila
Rua Marquês de Olinda 1930. Joinville SC. Brasil
Phone: -
E-mail:-Linkedin: https://www.linkedin.com/in/portilloga/?locale=en_US
Objective
To work as an Integration Specialist
Summary
I am a computer science graduate with over 8 years of experience as an integration solutions
specialist and more than 20 years of experience in various areas of information technology. I am
capable of analyzing diverse business processes and their environments, which allows me to
generate information inputs that lead to effective actions through the design, development, and
maintenance phases of software, with a special focus on adopting best practices. I possess deep
knowledge and experience in system integration, administration (design, construction, publication,
and assurance) of APIs, as well as in the support and administration of infrastructure. I have an
analytical profile that allows me to identify the root cause of problems and obtain accurate
solutions. As a personal characteristic, I highlight my ability to motivate the work team towards
achieving results, which leads to collective synergy in reaching set goals. Additionally, I have an
innate ability for communication and knowledge transfer.
My technical skills encompass a variety of elements, such as: WSO2, XML, XSL, XPATH, SOAP,
REST, OAUTH2, SAML, HTML, SQL, PL/SQL, Oracle Database, MySQL, Postgres, GIT, Jenkins,
Ubuntu/Debian Linux, AWS, Huawei Cloud, Ansible, Docker, Kubernetes.
Experience
Freelancer • Remote • 04/2021 – Present
Specialized IT Consulting
Integration, API Management, and Identity and Access Management Consultant.
Responsibilities:
● Design, develop, and implement WSO2 integrations
● Design, develop, implement, and manage APIs
● Administer integration platforms, including activities such as updating versions of various
WSO2 products, deploying integrations, and APIs
● Migrate WSO2 Identity Server versions in production environments and perform
certification tests for the new environment
● Validate and certify the technological integration platform (assessment)
● Design, develop, and implement tests (functional, unit, integration) both manual and
automated
● Develop frontend and backend layers for the implementation of the complete integration
lifecycle
● Conduct technical training based on official vendor materials for work teams before starting
medium and long-term projects
Key Achievements:
● Updated the technological integration platform, including WSO2 Enterprise Integrator,
WSO2 API Manager, and WSO2 Identity Server components, ensuring 100% operational
continuity
● Certified the functionality of the integration platform by executing various test batteries
used by the manufacturer and issuing performance reports
● Achieved 100% verification of implemented functionalities in different projects through the
development and execution of automated tests
● Formed a development team to achieve the goal of developing 100% of the required
integrations
Chakray • Remote • 09/2016 – 01/2025
Global consulting firm specializing in integration, promoting the use of open-source solutions.
Platinum partner of WSO2. https://chakray.com/
Integration, API Management, and Identity and Access Management Consultant.
Responsibilities:
● Actively participate in the design, development, and implementation of integration
architecture.
● Deploy various components of the integration architecture on cloud computing services
● Design, develop, and implement WSO2 integrations
● Design, develop, implement, and manage APIs
● Design, develop, and implement tests (functional, unit, integration) both manual and
automated
● Design, develop, and implement scripts for the adoption of the CI/CD paradigm.
Configure private instances of GitLab and Jenkins as part of the integration platform
● Produce material for technical training based on the specific needs of each project
● Conduct technical training based on official WSO2 materials and materials produced by
Chakray for work teams before starting medium and long-term projects
● Provide specialized post-implementation consulting
● Manage requirements and document business processes
● Act as a senior consultant to address blocking issues identified by the development team
● Act as a team leader during the development and automated testing phases
● Act as a maintenance analyst during the post-implementation phase of projects
● Project management (Scrum Master)
Key Achievements:
● Effectively implemented the integration platform after deployment, completing all steps
required for production and making 100% of the components available
● Established automated and semi-automated processes for deploying integrations and
platform components, producing the required documentation for each case
● Implemented 100% of the required functionalities in various projects undertaken
● Promoted best practices in product development processes and project management
● Controlled development and implementation activities within some projects
● Executed over 95% of the activities associated with maintenance plans
Softexpert • Joinville/BR • 03/2019 – 02/2020
Softexpert Excellence Suite, a suite for project and document management.
Integration Analyst.
Responsibilities:
● Design, develop, and implement an integration layer to facilitate the exchange of
information between the SoftExpert Excellence Suite and the various solutions used by
clients in a fast, efficient, and secure manner
● Design and implement a procedure for selecting the technology and tools to be used
● Design the integration architecture to be implemented
● Install and configure test environments and execute P.O.C with candidate tools
● Design, develop, implement, and test integrations to meet client needs
Key Achievements:
● Selected the tools required for configuring the integration layer
● Obtained and transformed comparative results from various P.O.Cs into a decision-making
report
● Addressed requests (execution orders) for generating specific integrations for clients,
achieving a 90% resolution rate within the defined service level agreements (SLAs)
● Identified new requirements after analyzing execution orders
PDVSA Petróleos de Venezuela S.A. • Maracaibo/VE • 10/2018 – 03/2020
PDVSA, the Venezuelan state oil company, responsible for the exploration, exploitation,
distribution, and commercialization of Venezuelan hydrocarbons, both domestically and
internationally.
DBA team supervisor
Responsibilities:
● Plan and schedule maintenance activities related to the database platform
● Distribute workload among department personnel
● Technical leader for major maintenance and execution of technological update projects
Key Achievements:
● Executed 100% of the activities associated with maintenance plans
● Addressed service requests, meeting at least 95% of the established service level
agreements (SLAs)
PDVSA Petróleos de Venezuela S.A. • Maracaibo/VE • 01/2015 – 09/2018
PDVSA, the Venezuelan state oil company, responsible for the exploration, exploitation,
distribution, and commercialization of Venezuelan hydrocarbons, both domestically and
internationally.
Database Administrator (DBA).
Responsibilities:
● Execute maintenance activities related to the database platform
● Execute major maintenance and technological update projects
● Address assistance requests
● Participate in the operational shift scheme
Key Achievements:
● Executed 100% of the activities associated with maintenance plans
● Addressed service requests, meeting at least 95% of the established service level
agreements (SLAs)
● Achieved 99% database availability, as defined in the service level agreements (SLAs)
PDVSA Petróleos de Venezuela S.A. • Maracaibo/VE • 02/2005 – 12/2014
PDVSA, the Venezuelan state oil company, responsible for the exploration, exploitation,
distribution, and commercialization of Venezuelan hydrocarbons, both domestically and
internationally.
Application Analyst.
Responsibilities:
● Configure and tune Apache web servers
● Configure and tune Glassfish web servers
● Configure and tune Subversion servers
● Software design
● Maintain applications related to crude oil (petroleum) oversight processes
● Execute periodic processes related to applications
● Execute preventive and corrective maintenance
Key Achievements:
● Executed 100% of the activities associated with maintenance plans
● Addressed service requests, meeting at least 95% of the established service level
agreements (SLAs)
● Achieved 99% application and service availability, as defined in the service level
agreements (SLAs)
PDVSA Petróleos de Venezuela S.A. • Caracas/VE • 02/2004 – 02/2005
PDVSA, the Venezuelan state oil company, responsible for the exploration, exploitation,
distribution, and commercialization of Venezuelan hydrocarbons, both domestically and
internationally.
Oracle PL/SQL Programmer.
Responsibilities:
● Automate processes related to human capital management
● Generate ER diagrams and adapt data models
● Process large amounts of data in batches (over 12 million records)
● Document the procedures and functions involved
Key Achievements:
● Implemented an application for managing information related to the corporation's human
capital
● Successfully executed production deployment within established deadlines, managing data
concurrency
PDVSA Petróleos de Venezuela S.A. • Maracaibo/VE • 05/2003 – 02/2004
PDVSA, the Venezuelan state oil company, responsible for the exploration, exploitation,
distribution, and commercialization of Venezuelan hydrocarbons, both domestically and
internationally.
1st Level Support Analyst.
Responsibilities:
● Address support requests
● Interpret and analyze the problem to channel it effectively
Key Achievements:
● Addressed service requests, meeting at least 99% of the established service level
agreements (SLAs)
● Resolved at least 80% of cases at the first level of support, meeting the established
agreements (SLAs)
Education
Bachelor’s Degree in Computer Science
Universidad del Zulia
2002
Technical University Degree
UNIR
1999
Languages
Portuguese - Advanced
English – Advanced
Spanish - Fluent
Training and Certifications
Proficiency in Portuguese Language. Celpe-Bras issued 12-2024 cred.
c384fd32.152de08c.6f5db031.057ccaea.
Scrum Foundation Professional Certified (SFPC) issued 2023. cred-
WSO2 Certified API Manager Developer - V4 issued Jan 2023. cred. HHK9NV
Boomi Professional Developer Certification 2022. issued May 2022.
Workato Automation Pro II Certification. issued Jun 2021 cred. Tmgc8odg36iu.
Workato Automation Pro I Certification. issued May 2021 cred. Vwv76c73g6bs.
University of Alberta - Software Product Management. issued Feb 2021 cred. 2X3NEBSPGBKUC.
WSO2 Certified API Manager Developer - V3. issued Jan 2021 cred. HHK9NV.
WSO2 Certified Enterprise Integrator 6 Developer - ESB Profile. issued Nov 2020 cred. HHK9NV.
CertiProf - Certified Scrum Professional (CSP). issued Jul 2020 cred-.
WSO2 Certified Identity Server Developer - V5. issued Jun 2020 cred. HHK9NV.
University of Virginia - Continuous Delivery & DevOps. Exp. May 2019 cred. 7BUW2NNXX6QW.
Coursera - Agile with Atlassian Jira. issued Mar 2019 cred. WC7D3SU9KMF.
Coursera - Google Cloud Platform Fundamentals: Core Infra. Exp. Aug 2018 cred .2HUQJ9FP2FPC.
Coursera - Version Control with GIT. Exp. May 2018 cred. 7ADD9ZLXDTMB.
Oracle Database 11g Administrator Certified Associate. Exp. 2018 Cred-DBOCA116.
Udemy – Jenkins from Zero to Expert. issued Jun 2022 credential UC-bba895cd-c-
dfd1f1061c65.
Udemy - Apache Kafka for Beginners v2. Exp. Apr 2021 cred. UC-3802ed8f-8849-4f6e-963f
5fb0b38c3940/.
Udemy - Amazon AWS: Certified Solutions Architect. Exp. Feb 2021 cred. UC-dc79ede4-a2f2
4eb1-bb82-442c2a1babd6.
Udemy - Ansible: Automation. Exp. Oct 2020 cred. UC-3e11ebef-7fc3-4ec0-b973
4c01b89190a0/.
Udemy – Kubernetes from Beginner to Expert. Exp. Jul 2020 cred. UC-545dd96e-c-b3ca
a07a6b90225a
