# João Carriço João Carriço is a remote worker on Himalayas, QA Specialist / Performance Tester Expert at Mastercard, based in Portugal. Source: https://himalayas.app/@joocarrio ```text Performance Engineering specialist at Mastercard, testing Card Enrolment and Checkout payment services with JMeter and BlazeMeter. ``` | Detail | Value | | --- | --- | | Availability | Open to opportunities | | Location | Portugal | | Authorized to work in | Portugal | | Salary expectations | 80k+ EUR | | Job categories | Performance Test Engineer, Quality Assurance Engineer, Test Manager, Performance Consultant | | Skills | Performance Engineering, Performance Testing, Load Testing, Non Functional Testing, Test Strategy, Quality Engineering, Performance Analysis, Root Cause Analysis, Testing Automation, Workload Modeling, Technical Reporting, Microservices, JMeter, BlazeMeter | ## About ```text At Mastercard, I test performance, load and volume for payment applications including Card Enrolment and Checkout, using JMeter and BlazeMeter. I analyze application performance with Dynatrace and contribute improvements to reporting and result interpretation. At Valvoline Global Operations, I established and developed the Performance Engineering capability, creating the foundations for a scalable testing framework. I designed testing strategies and reusable assets, and introduced process and reporting improvements across projects. Earlier, I delivered performance engineering and test automation for Caixa Geral de Depósitos and led non-functional testing initiatives at Altran Portugal S.A. Across enterprise and banking applications, I’ve worked on performance and load testing, automated functional test suites, and reporting that supports release decisions. ``` ## Experience ### QA Specialist / Performance Tester Expert (current) [Mastercard](https://himalayas.app/companies/mastercard). Nov 2025 - Present ```text Working remotely from Lisbon as part of Mastercard's global Performance Engineering organisation, collaborating with distributed engineering teams across the United States and India supporting large-scale payment platforms. Executes performance, load and volume testing using JMeter and BlazeMeter, validating microservices-based payment applications including Card Enrolment and Checkout services. ``` Skills: JMeter, BlazeMeter, Dynatrace, Performance-Testing, Load-Testing, Volume-Testing, Microservices, Payment-Systems, Distributed-Teams ### Performance Engineering Consultant | Technical Lead [Valvoline Global Operations](https://himalayas.app/companies/valvoline-global). Jun 2024 - Oct 2025 ```text Joined Valvoline Global Operations (Fortune 500) to establish and develop the organisation's Performance Engineering capability, designing the foundations for a scalable performance testing framework supporting business-critical applications. Designed Performance Engineering strategies, defining processes, best practices, reusable testing assets and non-functional testing approaches to support mul ``` Skills: Performance-Engineering, JMeter, BlazeMeter, Test-Strategy, Non-Functional-Testing, Technical-Leadership, Mentorship, Process-Improvement ### QA Specialist | Senior Performance Engineer Caixa Geral de Depósitos. Jan 2021 - May 2024 ```text Delivered Performance Engineering, Test Automation and Software Quality solutions for business-critical banking applications within Portugal's largest financial institution. Designed and executed performance, load and stress testing strategies for GUI and API-based applications, developing reusable testing assets and analysing application behaviour under realistic workloads. ``` Skills: Performance-Engineering, Testing-Automation, JMeter, Micro-Focus-UFT-One, Load-Testing, Performance-Testing, GUI-Testing, API-Testing, Regression-Testing, Banking ### Performance Test Architect | QA Technical Lead | Test Manager Altran Portugal S.A.. Feb 2016 - Dec 2020 ```text Led non-functional testing initiatives across multiple enterprise clients, combining hands-on performance engineering with technical leadership, test strategy and process improvement. Designed performance testing approaches using JMeter, LoadRunner and other enterprise testing tools, supporting large-scale digital transformation programmes. ``` Skills: JMeter, LoadRunner, Performance-Testing, Test-Strategy, Technical-Leadership, Process-Improvement, Mentorship, Digital-Transformation ### Performance Test Consultant (Expatriate Assignment) [European Patent Office](https://himalayas.app/companies/europaische-patentorganisation). Jan 2015 - Jan 2016 ```text Supported the European Patent Office (EPO) as a Performance Test Consultant during a one-year expatriate assignment across The Hague and Munich. Executed regression performance testing campaigns using HP LoadRunner and HP Performance Center across multiple enterprise applications. ``` Skills: LoadRunner, HP-Performance-Center, Performance-Testing, Regression-Testing, Scripting, Reporting ### Quality Assurance Consultant Novabase S.A.. Apr 2014 - Jan 2016 ```text Delivered performance and load testing services for enterprise clients including Vodafone and EDP. Designed and executed performance testing strategies using Apache JMeter, HP LoadRunner and HP Performance Center. ``` Skills: JMeter, LoadRunner, HP-Performance-Center, Performance-Testing, Load-Testing, SAP, Web-Applications, Backend-Services ### Quality Assurance Engineer / Performance Tester Crédito Agrícola - Serviços de Informação. May 2013 - Mar 2014 ```text Delivered Performance Engineering activities for a major SEPA transformation programme, validating both legacy Mainframe systems and a new Third-Party Web Front-End before production deployment. Designed and executed Load, Stress and Performance Testing campaigns using HP LoadRunner across Mainframe and Web-based applications. ``` Skills: LoadRunner, Performance-Testing, Load-Testing, Mainframe, Web-Applications, SEPA, Workload-Modeling, Scripting ### Quality Assurance Consultant Cleverti - Tecnologias e Informação. Oct 2012 - Mar 2013 ```text Contributed to software quality initiatives within the Healthcare sector. Designed and executed Functional Test Cases using SmartBear QAComplete and developed and executed Automated Test Cases using SmartBear TestComplete. ``` Skills: SmartBear-QAComplete, SmartBear-TestComplete, Functional-Testing, Testing-Automation, Healthcare ### Performance Test Consultant [EDP - Energias de Portugal](https://himalayas.app/companies/edp). Jan 2011 - Dec 2011 ```text Contracted directly by EDP to support a major SAP transformation programme involving the migration of enterprise SAP systems to IBM DB2. Designed and executed Load, Stress and Performance Testing activities across multiple SAP business modules, including FI, BI and HR. ``` Skills: SAP, IBM-DB2, Load-Testing, Performance-Testing, Workload-Modeling, Scripting, BIツール, Human-Resources ### Quality Assurance Consultant Logica Iberia. Jul 2008 - Dec 2010 ```text Built the foundations of a career in Performance Engineering, contributing to software quality initiatives for one of Portugal's largest energy companies. Designed and delivered Load, Stress and Performance Testing solutions for enterprise applications, including complex SAP environments. ``` Skills: Performance-Testing, Load-Testing, SAP, Workload-Modeling, Scripting, Analysis, Reporting, International-Collaboration ## Education ### CCP Curso Formação de Formadores, Training of Trainers. 2017 - 2017 ```text Completed a Training of Trainers course. ``` ### Hewlett-Packard HP UFT Certified Tester, Software Testing. 2016 - 2016 ```text Official Hewlett-Packard training on HP-UFT (Unified Functional Testing). ``` ### TSG - Testing Solutions Group ISTQB Test Manager Training, Software Testing. 2016 - 2016 ```text Completed ISTQB Test Manager training. ``` ### ISTQB – International Software Testing Qualifications Board ISTQB Foundation Level Certified Tester, Software Testing. 2014 - 2014 ```text Earned the ISTQB Foundation Level certification. ``` ### Instituto Superior Autónomo de Estudos Politécnicos Graduation, Information Technology Management. 2004 - 2008 ```text Completed a 4-year graduation in Information Technology Management. ``` ### Universidade de Évora Graduation, Architecture. 2003 - 2004 ```text Started an Architecture graduation but did not complete the program. ``` ### NIL – The New Institute of Languages Extensive Learning, English. 1997 - 2004 ```text Studied English at basic, medium, advanced, and technical levels. ``` ## Tech stack - IBM DB2 - BlazeMeter - SAP - LoadRunner - Dynatrace To contact João, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire). ## People also viewed - [William Silva](https://himalayas.app/@williamsilva1): QA Engineer, Pairpoint - [Alan Silva](https://himalayas.app/@alan_silva): Senior QA Automation Lead, Surepay - [Nayim Pasha](https://himalayas.app/@nayimpasha): QA Engineer Mobile, Paydock - [Liubov Shalimova](https://himalayas.app/@liubovshalimova): Senior Test Engineer & Quality Lead, Sigma Software - [Fernando Subtil](https://himalayas.app/@fernandosubtil): QA Engineer & Functional Analyst, Banco Credibom Sa - [Ana User](https://himalayas.app/@anauser17): QA Manager / Project Manager, 8x8, Inc. - [André Maia](https://himalayas.app/@andrmaia1): Application Support Analyst Consultant, Santander - [Gabriel Campos](https://himalayas.app/@gabrielcampos31): Senior Quality Assurance Specialist, Accenture - [Marília Lima](https://himalayas.app/@marlialima): Senior QA Engineer / Test Lead, Expleo Group - [Diego Nascimento](https://himalayas.app/@diegonascimento): Senior QA Engineer | Test Automation (Consultant), Multivision Consulting