Hire the Best Functional Testing Specialists
in Mexico

Performance Tester Engineer 18+ years Tools: Load Testing Tools: LoadRunner, Performance Center, JMeter, Gatling, Locust, K6, Load UI, LoadImpact and Neoload. Monitoring Tools: New Relic, Dynatrace, App Dynamics, SumoLogic, Splunk and Datadog. Load Testing Cloud SaaS: Flood.io Blazemeter, Octoperf, RedLine13. Automated Testing - QTP/UFT, BTP, TAM, Soap UI, Selenium, Playwright and Puppeteer. Defect Tracking - HP ALM, QC, Jira. • Experience in performance (Load/Stress/Endurance/Capacity/Failover) testing, Application Performance Management (APM) in Testing environments. • Highly experienced in extensive Performance Test Lifecycle which includes Profiling (static & dynamic analysis), and load test analysis for JVM memory/CPU/Mem/Threads/GC and tuning the application servers and database servers. • Experienced in Performance Risk Analysis, Performance Test Strategy & Planning, Capacity Planning & Review Non-functional Requirements. • Well experience in Performance Testing (Load/Stress/Endurance) using tools like LoadRunner, PC, Stormrunner, JMeter, Blazemeter, Load UI and Neoload. • Hands-on experience in Static & Dynamic Analysis and monitoring Tools like dynaTrace, Introscope, Sitescope, Cloudwatch, JProbe, VisualVM, New Relic. POC with Service Virtualization using ITKO LISA. • Collaborating the different teams (Developers, Architects, Leads, SMEs, Business/Domain Experts/ Managers) for the Performance Management Approach and mitigating the performance risks with a preemptive approach.

PERSONAL INFO * Single * Mexican * 44 years old CORE SKILLS AND EXPERTISE CONVERSATIONAL AI EVALUATION & PROMPT ENGINEERING * PROMPT GENERATION, OPTIMIZATION AND VALIDATION FOR LLMS * PROMPT EVALUATION USING STRUCTURED RUBRICS AND HUMAN FEEDBACK ALIGNMENT (RLAIF) * INSTRUCTION TUNING, FINE-TUNING SUPPORT, HALLUCINATION DETECTION, CONSISTENCY ANALYSIS * TASK DESIGN AND USER SIMULATION FOR MULTILINGUAL AI MODELS LLM AND NLP MODEL EVALUATION * EVALUATION AND SCORING OF LARGE LANGUAGE MODELS ACROSS MULTIPLE DOMAINS * BEHAVIORAL TESTING, OUTPUT COMPARISON, AND SAFETY/RED-TEAMING EVALUATION * UNDERSTANDING OF ZERO-SHOT, FEW-SHOT, COT, AND INSTRUCTION-BASED PROMPTING LINGUISTIC LOCALIZATION & CULTURAL ADAPTATION * NATIVE FLUENCY IN MEXICAN SPANISH AND PROFESSIONAL-LEVEL ENGLISH

Hello! I’m Abraham Ernesto Soriano Carreño — a flexible and tech-savvy Virtual Assistant and Project Manager with solid experience in e-commerce, travel project coordination, digital marketing, and data analysis. I’m based in Mexico and fully open to projects that involve both remote work and travel-based responsibilities. With over 9 years of hands-on experience, I’ve managed and scaled digital businesses, coordinated on-site projects, and supported clients through data-driven strategies and user-focused solutions. 🛒 E-commerce & Site Integration I build and manage online stores using platforms like PrestaShop, WordPress, and Wix, including DNS setup, hosting, design, and channel integration. I’ve launched and maintained multiple websites including: casanaumazunte.com – Vacation rental site with a direct booking engine cosmetic-nails.com – Product-based PrestaShop store impulsoshiva.com – Digital agency portfolio and service offering 🌍 Travel & Hospitality Projects I manage my own accommodation business in Mazunte, Oaxaca. This includes building direct booking websites with calendar syncs (Airbnb, Booking.com), OTA optimization, guest communication automation via WhatsApp, and digital advertising for seasonal promotions. 📊 Data & Web Analytics I have a background in systems engineering and software testing, with knowledge in tools like Selenium, Jira, and Postman. Recently, I’ve expanded my skills by connecting websites with tracking tools like Google Tag Manager, Google Analytics, and Facebook Pixel, enabling performance measurement and audience targeting across channels. 📣 Marketing & Content Creation I create social media and newsletter content using Canva, capcut, filmora, AI tools, and scheduling systems. I specialize in campaigns for hospitality and e-commerce, focusing on consistency, tone, and lead generation. ✈️ Travel-Ready & Multitasking I’m available for projects that require in-person visits, local coordination, or on-the-ground assistance, especially in Latin America. I enjoy combining my digital background with real-world execution, offering reliable, detail-oriented support. Bonus: With a personal interest and background in spiritual, gnostic, and mystical studies, I bring a calm, intentional approach to the way I work—seeking clarity, balance, and thoughtful communication in every task.

Nice to meet you all, my name is Jonathan Mercado. A system engineer with 5+ years of experience working as a QA Manual Tester. Throughout my career, I have participated in various projects and environments, utilizing both Agile and Waterfall methodologies. I have worked on software testing, websites, e-commerce, video games, banking systems, among others. My goal is to offer you all my experience and knowledge to ensure the quality and proper functioning of your project. Methodologies and Types of Testing I Use: - Functional Testing - Beta/Alpha Testing - Usability Testing - Acceptance Testing - Mobile Testing (iOS/aOS) - Accessibility Testing - API Testing Tools and Communication Platforms: - Jira (For reporting and tracking bugs found) - Confluence (For project documentation) - TestRail (For creating and executing test cases) - BugHerd - ALM - Postman - SoapUI - Microsoft Environment (Teams, Google Sheets, Office, etc.) I am convinced that my experience and skills can significantly contribute to the success of your project. I look forward to the opportunity to collaborate with you in the future.

Hello, If you read my profile I wanna thank you and also make you aware that my Job Success isn't based on my capacities and qualities, it's because I've offers that clients never finalize and I haven't had a job offer this year, so if you wanna give a chance to work with you I'll let you know that you won't regret it. Now please keep read my profile thank you. What I offer: Software Testing website and apps, Bug reporting (detailed bug reporting include screenshots or video), Technical Documentation. I have a B.A. in Software Engineer with more than 6 years of experience. Over that time my experience have grow to different web, mobile, and desktop applications related to various domains on different platforms. My core competency is manual testing and IU/UX test. I have strong communication and interpersonal skills to communicate with clients fluently. In between my skills are: - Test web and mobile applications - Developing of QA documentation (Test cases) - Execute test cases - Bug reporting (detailed bug reporting include screenshots or video) - Bug Tracking and Reporting with JIRA, Trello, Asana or Meistertask. - Requirement analysis - Software design based on UML and Sequence diagrams - Writing use cases - Writing test cases - Writing user and technical manuals - Web design - Web apps and software testing - Functional testing of apps My goal is to increase my knowledge with new and challenging projects. Also I have experience in writing compelling and appropriate user and technical manuals. My native language is Spanish but I can easily communicate in English, I can work in both languages. Actually I've more than five years active at Upwork, available right now to start working when you need it.

Hello, my name is Ana, I'm a computer engineer, and I have been working for a year and a half in the software industry as a QA tester. I have demonstrated technical proficiency across diverse projects by combining software logic with a meticulous eye for detail. Proven track record of executing comprehensive regression and manual testing within agile environments to ensure high-quality software delivery and stability. These are some of the tools I have worked with: --------------------------------------------------------- - Test Management: Google Sheets and Jira - API testing: Postman, Soap UI - Software versioning: GitHub - Documentation: Confluence Experience in software testing levels: ---------------------------------------------- - System testing - Acceptance testing Knowledge of types and methodologies of testing: ------------------------------------------------------------ - Functional testing - Exploratory testing - Regression testing - Grey box Testing - Beta Testing I am committed to leveraging my full range of experience and expertise to guarantee the highest quality of your project. If you're interested in what I can do, please let me know.