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Senior Quality Assurance Engineer

Trading 212 • Sofia, Sofia-City, Bulgaria

onsitefull-time
Posted Aug 26, 2026
  • Role & seniority

    • Software QA / Quality Assurance Engineer (mid–senior)

    • 5+ years experience; some mentorship responsibilities

  • Stack/tools

    • Automation testing: Playwright, Selenium, Appium

    • Test frameworks: Pytest, TestNG (plus scripts/frameworks to maintain)

    • API testing: Postman, SoapUI

    • Programming languages: Python, TypeScript, Java (or similar)

    • Data: RDBMS (also NoSQL is a plus)

    • Mobile/UI: UI/UX testing; mobile testing is a plus

    • Process: Agile (Scrum/Kanban)

  • Top 3 responsibilities

    • Own QA for multiple projects, ensuring quality/reliability

    • Lead and implement testing efforts, building/maintaining automation frameworks/scripts

    • Participate in design/requirements reviews to improve testability/usability and analyze results to drive process improvements

  • Must-have skills

    • Strong QA automation background (5+ years)

    • Solid knowledge of testing methodologies/concepts

    • Programming proficiency in at least one language (Python/TS/Java/etc.)

    • Hands-on with automation tools/frameworks (Playwright/Selenium/Appium; Pytest/TestNG)

    • API testing experience (Postman/SoapUI)

    • Strong RDBMS knowledge

    • Analytical/problem-solving + excellent English communication

    • Agile collaboration mindset

  • Nice-to-haves

    • Testing microservices/distributed systems

    • Mobile application testing

    • **N

Full Description

Our mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. Fostering a culture of excellence and high velocity is the key to our success. Today, we serve over 5 million clients, with more than €30 billion in assets under management - a testament to the scale and trust we’ve built in just a few years.

What you’ll do Own the quality assurance tasks for multiple projects, ensuring that the software meets the highest standards of quality and reliability Actively participate in design and requirements reviews to ensure testability and usability of features and products Lead testing efforts, including developing and maintaining automation frameworks and scripts Plan, implement and execute testing tasks in different product areas - DB, integration, functional, UI/UX Analyse test results to identify areas for improvement and recommend process changes as needed Provide technical and process mentorship to less experienced colleagues Work in compact, autonomous teams with short release cycles - we rely on agile, independent teams of sharp and driven people with just the right amount of processes to steer off anarchy and not sacrifice velocity What you need to have 5+ years of experience in software quality assurance, with a focus on automation testing Strong understanding of software testing concepts, methodologies, and tools Strong programming skills in at least one programming language (Python, TypeScript, Java, etc.) Experience with test automation frameworks and tools (e.g. Playwright, Selenium, Appium, Pytest, TestNG, etc.) Experience with API testing tools such as Postman, SoapUI, or similar Strong RDBMS knowledge Familiarity with agile development methodologies such as Scrum or Kanban Strong analytical and problem-solving skills A very good command of English and excellent communication skills Passion for quality assurance Nice to have Bachelor's degree in Computer Science, Information Technology, Mathematics, or a related field Experience with testing microservices and distributed systems Experience in testing mobile applications Experience with NoSQL DB Experience with Event Stream Processing platforms What we offer Challenges that will help you grow and realise your potential really fast Opportunity to make a big Impact - you'll be involved in developing cutting-edge services used by millions of investors to build wealth Work with smart, spirited, helpful, high-performing colleagues toward a common goal Appreciation for your talent and ideas Generous remuneration package including annual bonuses Excellent social benefits package, including private health insurance, sports card and 25 days of paid vacation per year Delicious treats and a spacious game room Bring your ambition to Europe’s fastest-growing mobile broker!

Software quality assuranceAutomation testingPythonTypeScriptJavaPlaywrightSeleniumAppiumPytestTestNGAPI testingPostmanSoapUIRDBMSAgileScrummulti-location

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