Senior QA Engineer | Automation | Manual | AI Testing | Leadership

Iustin BCS

13+ years expertise in manual and automation testing, including Selenium, Playwright, API and back-end testing. Skilled in AI tools, CI/CD pipelines, Agile and Scrum methodologies to drive quality and efficiency.

Strong track record in test strategy, planning, and automation while collaborating closely with cross-functional teams.

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13+

years of expertise in manual and automation and AI tools integration

30%

bug reduction in a cycle

90 days

to production-ready QA process - including test policies, entry/exit criteria, and traceability standards adopted company-wide

Technical Skills

Quality systems from test plan to release confidence.

Manual Testing Automation Testing AI Tools LLM Testing Selenium Playwright API Testing Postman CI/CD Tools Test Strategy Test Planning Agile & Scrum BrowserStack Appium Jira & Confluence Cross-Functional Teams

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Experience

Senior delivery across travel, enterprise, utilities, broadcast, and games.

Aug 2019 - Present

London & Remote

Senior QA Engineer

Secret Escapes

  • Built a QA function from the ground up, defining the entire quality strategy, tooling stack, and governance framework in an organisation with no prior QA methodology — delivering a production-ready process within the first 90 days, including test policies, entry/exit criteria, and traceability standards adopted company-wide.
  • Introduced structured workflows without slowing development in the manual testing department, using BrowserStack.
  • Implemented AI-powered automation tools, such as Selenium, Playwright, and Appium, to maintain test scripts dynamically and reduce maintenance for multiple web and app projects.
  • Conducted multiple workshops on LLM testing for an AI chat helper, built to create a unique travel experience on just a few keywords.
  • Reduced bugs by 30% in a cycle.
  • Researched and developed AI testing tools including KaneAI, Mabl, Applitools (for visual testing) and Test Craft and ChatGPT (for test writing), across website and app.
  • Supported both customer-facing and back-end testing, such as API connections, flights and luxury hotel suppliers with dynamic room availability and amenities, to name a few.
  • Managed test strategy and test planning using Lambda Test and Test Rails, tracked and reported bugs via Jira, and maintained comprehensive QA documentation for traceability and audit readiness using Notion and Confluence.
  • Performed regression, exploratory, UI/UX, API, and end-to-end testing across web (front-end and back-end), client-server, app (iOS and Android), on multiple territories.
  • Hired and onboarded new QA staff, then later mentored and managed the mobile QA team with weekly meetings and monthly workshops to build a strong QA foundation.

2016 - 2019

London

QA Engineer Manager

Tangent

  • Manage the QA team, ensuring stability, efficiency, and quality improvements for an e-commerce platform built on SAP.
  • Lead QA for multiple high-profile clients, including UK Power Network, Freesat, SAP, NATS, Carlsberg, and Sky, delivering thoroughly tested, reliable projects.
  • Built and managed a device lab tailored to target demographics (driven by data from Google Analytic), covering major operating systems, and optimized testing for real-world user conditions.
  • Led AI tooling evaluation and adoption across the QA function, running structured pilots of KaneAI, Mabl, Applitools, TestCraft, and ChatGPT assisted test writing, producing internal benchmarking reports that directly informed the company's long-term automation strategy and tool investment decision.
  • Exploratory, GUI, Smoke, Usability, End-to-End, Functional, Regression, Localization, Load, and UAT testing, contributing to a significant decrease in reported issues.
  • Hands-on experience in automation testing using Selenium (Java), Cucumber, Katalon Studio, Lighthouse, Litmus, and MySQL.
  • Track and report bugs using Jira.
  • Developed test scripts for chat-bot functionality and logic using Dialog Flow.
  • Researched, documented, and delivered a seminar onGDPR compliance, enhancing team knowledge to regulatory standards.
  • Experienced working in an Agile environment, focusing on continuous feedback and iterative testing improvement.

May 2012 - Mar 2016

Bucharest

Senior QA Tester

Electronic Arts

  • Created and executed detailed test cases and scenarios for AAA game titles such as FIFA, The Sims, SimCity, and Hasbro projects.
  • Tested across multiple mobile platforms including iOS, Android, and Windows Phone, ensuring cross-device performance and compatibility.
  • Supervised multiple QA teams, assigning workloads, monitoring progress, and delivering final test reports to stakeholders.
  • Collaborated closely with game development teams to identify, document, and resolve complex gameplay and performance issues.
  • Trained and mentored new employees, improving onboarding efficiency and increasing overall team productivity.
  • Developed and optimized training materials, streamlining testing processes, and eliminating redundancies.
  • Managed and executed test cycles under tight deadlines.

Previous Clients

Trusted across recognizable brands and platforms.

Secret Escapes SAP UK Power Network Freesat Sky Electronic Arts FIFA - EA Sports The Sims - Maxis Team

References

Open for new opportunitys

baltaiustin@gmail.com (+44) 07399835999