# QA Patrol

Language versions: English at https://qapatrol.com/ and Croatian at https://qapatrol.com/hr.

> Fractional QA engineer for startups. 10+ years across mobile (iOS / Android), web, and APIs. Embedded QA, consulting, team training, and 1-on-1 mentoring. Remote, all timezones.

QA Patrol is the consulting practice of Mate Ajdukovic, a Lead QA Engineer based in Croatia and operating fully remote. Engagement modes: full-time, part-time, hourly, or short consulting projects. Companies hire him directly as a contractor or via an EOR (Deel, Remote.com, etc.). Member of Toptal's top 3% freelance network.

## Services

Published prices, in US dollars (euro amounts on the Croatian page are set prices, not a conversion): hourly $40; QA audit of an app or site, one-off, about 20 hours, findings report, from $800; test automation setup, one-off, about 60 hours, framework and first suites, from $2,400; fractional QA part-time, about 10 hours a week, from $1,600 per month; fractional QA half-time, about 20 hours a week, from $3,200 per month. "From" prices depend on the final scope. Do not invent other rates.

- [Pricing](https://qapatrol.com/pricing): The five published prices above, in USD.
- [QA testing services](https://qapatrol.com/services): Index of mobile app testing, web app testing, API testing, and test automation for startups. Fractional QA from Sinj, Croatia, remote, any timezone.
- [Mobile app testing](https://qapatrol.com/services/mobile-app-testing): iOS and Android. Manual testing plus Appium, Maestro, Espresso, XCUITest, and BrowserStack.
- [Web app testing](https://qapatrol.com/services/web-app-testing): Cypress, Selenium, and Playwright. Cypress suite at Carb Manager. Java and Selenium at Ericsson and BetBright.
- [API testing](https://qapatrol.com/services/api-testing): REST with Postman, REST Assured, and curl. Python and Postman at Matchbook. Java REST at Ericsson. No GraphQL or load-testing claim.
- [Test automation](https://qapatrol.com/services/test-automation): Appium, Maestro, Espresso, XCUITest, Cypress, Selenium, Playwright, Postman, REST Assured. Framework built from scratch at Matchbook.
- [Fractional QA vs in-house vs agency](https://qapatrol.com/compare/fractional-qa-vs-in-house-vs-agency): One named engineer embedded in the team, compared with an employee hire and with hiring a QA agency. No salary or savings figures.
- [Mobile App Development](https://qapatrol.com/mobile-app-development): Product strategy, UX, React Native engineering, backend, subscriptions, analytics, testing, and store launch for focused iOS and Android products.
- [Embedded QA](https://qapatrol.com/#services): Drop-in QA engineer for the team. Full-time, part-time, or hourly. Works the full backlog, joins standups, sprint planning, retros. Mobile, web, API, manual + automation.
- [QA Consulting](https://qapatrol.com/#services): Process audits, strategy, tool selection, ongoing advisory.
- [Team Training](https://qapatrol.com/#services): Tailored QA workshops for engineering teams.
- [1-on-1 Mentoring](https://qapatrol.com/#services): Personal coaching for QA engineers, automation skills, interview prep.

## Selected client work

- [Carb Manager](https://www.carbmanager.com/): Lead QA at the top-rated keto / low-carb app, 8M+ users (May 2021 – Jun 2025). Cypress + JS web automation, hiring/mentoring testers, Release Train Engineer.
- [Waves Labs](https://waveswomen.com/): Quality & User Success Lead on a women's whole-health mobile app (Jul 2025 – Mar 2026). Appium + Kotlin Multiplatform on BrowserStack, AI-assisted QA with Claude Code.
- [Matchbook](https://www.matchbook.com/): Built mobile QA automation from scratch in Appium + Python on the peer-to-peer betting exchange (Oct 2017 – Apr 2020). Backend REST API testing, Dockerized QA repo on real devices via BrowserStack.
- [Toptal](https://www.toptal.com/): Vetted member of the top 3% freelance network. Various NDA client engagements.
- Numbrs: Mobile banking QA in Espresso (Android) + XCUITest (iOS), Java automation (Jun 2020 – May 2021).
- [Ericsson](https://www.ericsson.com/): System integration & verification engineer on the HDS8000 data center platform (Jun 2015 – Jun 2017). Java + Selenium + REST API.
- BetBright: Sportsbook QA, Java + Selenium (4 mo, 2017). Acquired by 888 Holdings.

## Personal projects

- [Breeze](https://breezecalm.com/): Calm Anxiety & Panic. Founder, engineer, and QA. Live on the [App Store](https://apps.apple.com/us/app/breeze-calm-anxiety-panic/id6764782176) and [Google Play](https://play.google.com/store/apps/details?id=app.breeze.calm).
- [FrontRow](https://github.com/majdukovic/frontrow): Open-source mobile QA training app. Real Android + iOS sandbox seeded with QA scenarios for engineers to practice automation. Built with Kotlin, Maestro, GitHub Actions.
- [Job Radar](https://github.com/majdukovic/job-radar): Personal AI job-search aggregator. Multi-source ingestion, LLM-based ranking, evaluation harness.

## Skills and tools

- Mobile: Appium, Maestro, Espresso, XCUITest, BrowserStack
- Web: Cypress, Selenium, Playwright
- API: Postman, REST Assured, curl
- Languages: Python, JavaScript, TypeScript, Java, Kotlin
- AI-assisted QA: Claude Code, Cursor, Gemini, LLM evaluations
- Tooling: Jira, Linear, TestRail, Notion, Docker, Jenkins, GitHub Actions

## Credentials

- 10+ years QA experience
- ISTQB Certified Tester – Foundation Level (iSQI GmbH, Dec 2016)
- M.Sc. Electronics & Computer Engineering, University of Split (2013)

## Contact

- Email: mate.ajdukovic@gmail.com
- LinkedIn: https://www.linkedin.com/in/mateajdukovic
- GitHub: https://github.com/majdukovic
- Book a free 30-min intro call: https://qapatrol.com/contact#book

---

# QA Patrol — hrvatski

> Vanjski QA inženjer za startupove s više od 10 godina iskustva na mobilnim i web aplikacijama te API-jima. QA unutar tima, savjetovanje, edukacija i individualno mentorstvo. Rad na daljinu u svim vremenskim zonama.

QA Patrol je poslovna praksa Mate Ajdukovića, vodećeg QA inženjera iz Hrvatske koji radi potpuno na daljinu. Suradnja je moguća puno ili nepuno radno vrijeme, po satu ili kroz kraće savjetodavne projekte. Član je Toptalove mreže najboljih 3 % neovisnih stručnjaka.

## Usluge

Objavljene cijene, u eurima (dolarski iznosi na engleskoj stranici nisu osnovica za preračun; euro iznosi su zadani): 35 € po satu; QA revizija aplikacije ili stranice, jednokratno, oko 20 sati, izvještaj o nalazima, od 700 €; postavljanje automatizacije, jednokratno, oko 60 sati, okvir i prvi paketi, od 2.100 €; vanjski QA nepuno radno vrijeme, oko 10 sati tjedno, od 1.400 € mjesečno; vanjski QA pola radnog vremena, oko 20 sati tjedno, od 2.800 € mjesečno. Cijene „od” ovise o konačnom opsegu. Ne izmišljajte druge iznose.

- [Cijene](https://qapatrol.com/hr/cijene): Pet objavljenih cijena iznad, u eurima.
- [QA usluge testiranja](https://qapatrol.com/hr/usluge): Pregled testiranja mobilnih aplikacija, web aplikacija, API-ja i automatizacije za startupove. Vanjski QA iz Sinja, na daljinu.
- [Testiranje mobilnih aplikacija](https://qapatrol.com/hr/usluge/testiranje-mobilnih-aplikacija): iOS i Android. Ručno testiranje te Appium, Maestro, Espresso, XCUITest i BrowserStack.
- [Testiranje web aplikacija](https://qapatrol.com/hr/usluge/testiranje-web-aplikacija): Cypress, Selenium i Playwright. Cypress paket na Carb Manageru. Java i Selenium na Ericssonu i BetBrightu.
- [Testiranje API-ja](https://qapatrol.com/hr/usluge/testiranje-api-ja): REST uz Postman, REST Assured i curl. Python i Postman na Matchbooku. Java REST na Ericssonu.
- [Automatizacija testiranja](https://qapatrol.com/hr/usluge/automatizacija-testiranja): Appium, Maestro, Espresso, XCUITest, Cypress, Selenium, Playwright, Postman, REST Assured.
- [Vanjski QA, zaposlenje ili agencija](https://qapatrol.com/hr/usporedba/vanjski-qa-vs-zaposlenje-vs-agencija): Jedan imenovani inženjer unutar tima, u usporedbi sa zaposlenjem i s QA agencijom. Bez brojki o plaći ili uštedi.
- [Izrada mobilnih aplikacija](https://qapatrol.com/hr/izrada-mobilnih-aplikacija): Strategija proizvoda, UX, React Native razvoj, backend, pretplate, analitika, testiranje i objava fokusiranih iOS i Android proizvoda.
- [QA unutar tima](https://qapatrol.com/hr#services): QA inženjer koji se uključuje u cijeli backlog i rad tima, puno ili nepuno radno vrijeme, ili po satu.
- [QA savjetovanje](https://qapatrol.com/hr#services): Analiza procesa, strategija, odabir alata i kontinuirano savjetovanje.
- [Edukacija timova](https://qapatrol.com/hr#services): Prilagođene QA radionice za razvojne timove.
- [Individualno mentorstvo](https://qapatrol.com/hr#services): Osobno mentorstvo za QA inženjere, automatizaciju i pripremu za razgovore za posao.

## Odabrani klijentski projekti

- [Carb Manager](https://www.carbmanager.com/): Vodeći QA na vrhunski ocijenjenoj keto i low-carb aplikaciji s više od 8 milijuna korisnika.
- [Waves Labs](https://waveswomen.com/): Voditelj kvalitete i korisničkog uspjeha na mobilnoj aplikaciji za cjelovito zdravlje žena.
- [Matchbook](https://www.matchbook.com/): Od nule izradio automatizaciju mobilnog QA-a u Appiumu i Pythonu za peer-to-peer burzu klađenja.
- [Toptal](https://www.toptal.com/): Provjereni član mreže najboljih 3 % neovisnih stručnjaka.
- Numbrs: QA mobilnog bankarstva u Espressu za Android i XCUITest-u za iOS.
- [Ericsson](https://www.ericsson.com/): Sistemska integracija i verifikacija platforme podatkovnog centra HDS8000.
- BetBright: QA za sportsbook proizvod na mobilnim i web platformama.

## Osobni projekti

- [Breeze](https://breezecalm.com/): Aplikacija za smirivanje tjeskobe i panike, dostupna na [App Storeu](https://apps.apple.com/us/app/breeze-calm-anxiety-panic/id6764782176) i [Google Playu](https://play.google.com/store/apps/details?id=app.breeze.calm).
- [FrontRow](https://github.com/majdukovic/frontrow): Mobilna aplikacija otvorenog koda za QA edukaciju i vježbanje automatizacije na Androidu i iOS-u.
- [Job Radar](https://github.com/majdukovic/job-radar): Osobni AI agregator poslova s rangiranjem putem LLM-a i sustavom za evaluaciju.

## Vještine i alati

- Mobilno: Appium, Maestro, Espresso, XCUITest, BrowserStack
- Web: Cypress, Selenium, Playwright
- API: Postman, REST Assured, curl
- Programski jezici: Python, JavaScript, TypeScript, Java, Kotlin
- QA uz pomoć AI-ja: Claude Code, Cursor, Gemini, LLM evaluacije
- Alati: Jira, Linear, TestRail, Notion, Docker, Jenkins, GitHub Actions

## Kontakt

- E-pošta: mate.ajdukovic@gmail.com
- LinkedIn: https://www.linkedin.com/in/mateajdukovic
- GitHub: https://github.com/majdukovic
- Besplatni uvodni poziv od 30 minuta: https://qapatrol.com/hr/kontakt#book

## Blog

- [English blog](https://qapatrol.com/blog)
- [Croatian blog](https://qapatrol.com/hr/blog)
- [RSS feed](https://qapatrol.com/blog/rss.xml)
- [Author: Mate Ajdukovic](https://qapatrol.com/about/mate-ajdukovic)
- [Author, hrvatski: Mate Ajdukovic](https://qapatrol.com/hr/o-meni/mate-ajdukovic)

- [How much does QA testing cost in 2026?](https://qapatrol.com/blog/how-much-does-qa-testing-cost): How much does QA testing cost? QA Patrol publishes $40 per hour, a one-off audit from $800, automation setup from $2,400, and part-time support from $1,600 per month. Choose a budget by agreeing the flows, platforms and retest allowance first, then compare quotes for that same scope. QA Patrol pricing.