{
  "name": "Michal Zak",
  "tagline": "Senior Test Automation Engineer",
  "description": "Freelance Software Test Engineer with 8+ years of experiences in Software Development",
  "url": "https://www.zako05.dev/",
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  "contact": {
    "email": "zako05@gmail.com",
    "phone": "+421 903 647 310",
    "github": "https://github.com/zako05",
    "linkedin": "https://linkedin.com/in/zakmichal",
    "twitter": "https://twitter.com/zak_michal",
    "stack_overflow": "https://stackoverflow.com/users/9822844/michalzak",
    "hackerrank": "https://www.hackerrank.com/zako05"
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  "career_profile": "Over the past years, I've primarily focused on the technical aspects of testing.\nThis includes gaining a comprehensive understanding of how complex software systems interact\nto design robust, scalable test automation solutions based on modern best practices.\nI thrive on collaborating with colleagues to solve technical challenges,\nconstantly expanding my skills through continuous team learning.\nWith an open and communicative mindset,\nmy easy-going and friendly personality helps me bridge communication and align with team needs.\nI continuously strive to deliver high-quality software under demanding technical conditions.",
  "experiences": [{"role":"Senior Test Automation Engineer","time":"Aug 2025 - Jun 2026","company":"Trezor, Prague","projects":"Trezor Suite (Open-source application for managing secure hardware wallets)\n- Created Playwright E2E test suites focusing on core crypto processes like onboarding and passphrase handling\n- Addressed CI test inconsistencies and Electron teardown delays in GitHub Actions pipelines\n- Implemented automated testing for product analytics events and link validity checks\n","techStack":"TS, Node.js, React, React Native, Playwright, WebSocket, Python, Git (GitHub Actions)"},{"role":"Senior Test Automation Engineer","time":"Aug 2023 - Jun 2025","company":"Instea, Bratislava","projects":"US Quick Online 1.0 & 2.0 (B2B web-based app to manage clinical supply chain logistics)\n- Created and managed performance tests using K6 in JavaScript for both projects\n\nUS Quick Dispatch Dashboard (Internal web-based app for dispatching international shipments)\n  - Implemented end-to-end (E2E) and API tests with Playwright in JavaScript\n  - Set up and optimized CI pipeline in Jenkins for efficient application testing\n","techStack":"JS, Node.js, React, GraphQL, Git (GitHub/Bitbucket), MS Playwright, Grafana Labs K6, Docker, Jenkins"},{"role":"Senior Test Automation Engineer","time":"Jun 2023 - Jul 2023","company":"Vectary, Bratislava","details":"(Online 3D design and augmented reality platform)\n- Developed and maintained end-to-end and API tests with Cypress.io\n- Configured and optimized CI pipeline in Bitbucket for application testing\n","techStack":"JS/TS, GraphQL, Git (Bitbucket), Docker, Cypress.io"},{"role":"Senior Test Automation Engineer","time":"Jul 2021 - Dec 2022","company":"Vestberry, Bratislava","details":"(B2B SaaS for VC portfolio management, providing data insights and automated reporting)\n- Created automated testing framework with Cypress.io adhering to best practices\n- Managed E2E/API tests using Cypress.io\n- Set up and managed CI pipeline in GitLab for efficient application testing\n","techStack":"JS/TS, Node.js, React, Postgres, GraphQL, Git (GitLab), Docker, Cypress.io, Jest"},{"role":"Software Test Engineer","time":"Feb 2019 - Oct 2020","company":"Innovatrics, Bratislava","projects":"Fingera (B2B SaaS solution providing biometric access control and attendance management for SMBs)\n- Manually tested the attendance system “Fingera” with expertise in biometric technologies for fingerprint and facial recognition\n- Managed automated tests in Selenium WebDriver (Ruby, Cucumber + Capybara) for the “Fingera” attendance system incorporating biometric features like fingerprint and facial recognition\n- Designed and implemented a test automation framework using Cypress.io for a novel cloud-based solution\n","techStack":"Ruby, Ruby on Rails, Postgres, React, Git (Bitbucket), Docker, Selenium WebDriver, Cucumber, Capybara, Cypress.io"},{"role":"Software Test Engineer - Lead","time":"Jan 2017 - Oct 2018","company":"Box+Dice, Melbourne","details":"(B2B SaaS Real estate CRM for agents and agencies to manage contacts, listings, and sales)\n- Managed a testing team to ensure timely delivery of bug-free products to client\n- Implemented Agile values and principles to facilitate seamless integration of testing into development process\n- Facilitated regular communication with testers through individual sessions, e.g. stand-ups, retrospectives, etc.\n- Executed various test plans to ensure timely delivery of releases to clients with minimal bugs\n","techStack":"PHP, Ruby on Rails, Backbone.js, CoffeeScript, React Native, MariaDB, Postgres, Git (GitHub), Jenkins, Jasmine, Selenium WebDriver, Appium"}],
  "skills": [{"name":"Exploratory Testing","level":"100%"},{"name":"E2E Test Automation","level":"90%"},{"name":"API Test Automation","level":"60%"},{"name":"Playwright","level":"80%"},{"name":"Git / GitHub","level":"40%"},{"name":"JavaScript","level":"60%"},{"name":"TypeScript","level":"50%"},{"name":"React / Node.js / GraphQL","level":"30%"},{"name":"CI/CD (Docker)","level":"30%"},{"name":"Zsh / Vim","level":"30%"}],
  "education": [{"degree":"Upper Intermediate, English","university":"New Horizon College of English in New Zealand","details":""},{"degree":"Ing., Informatics","university":"Slovak University of Technology","details":""}],
  "certificates": [{"title":"ISTQB Certified Tester Foundation Level, License 297"}],
  "languages": [{"idiom":"English","level":"Professional working proficiency"},{"idiom":"Czech","level":"Full professional proficiency"},{"idiom":"Slovak","level":"Native proficiency"}],
  "interests": [{"item":"Test Automation & JS"},{"item":"Running"},{"item":"Traveling"},{"item":"Splitboarding"},{"item":"Ice Hockey"}]
}