Senior QA Automation Engineer

LLInformatics

Senior QA Automation Engineer at LLInformatics designing and maintaining UI test automation frameworks. Collaborating with cross-functional teams and enhancing automation libraries with Python expertise.

Posted 4/22/2026contractRemote • 🇵🇱 PolandSeniorWebsite

Tech Stack

Tools & technologies

Distributed SystemsKafkaLinuxPythonSeleniumSQL

About the role

Key responsibilities & impact

Design, develop, and maintain UI test automation frameworks for complex systems
Work extensively with Python-based frameworks (e.g., PyTest, Playwright) and enhance existing automation libraries
Apply strong Linux and networking knowledge in daily testing and debugging
Write complex SQL queries for test data validation and automation support
Deliver high-quality defect reports with logs, root cause analysis, and reproduction details
Work with event-driven systems (e.g., Kafka in payments-related domains)
Use and promote tools such as Jira, TestRail, Sentry, Git, and CircleCI within CI/CD workflows
Independently deliver automation across multiple product areas
Identify gaps in test coverage and proactively mitigate automation risks
Continuously improve automation effectiveness and contribute to QA KPIs
Drive reliability improvements in frameworks, tools, and test suites
Communicate risks, blockers, and technical issues
Take full ownership of quality for assigned areas
Collaborate closely with engineers, architects, DevOps, and product teams
Participate in cross-team discussions to improve system testability and design
Share knowledge and best practices across engineering teams
Oversee consistency and quality of Python-based automation frameworks
Define and evolve automation standards and best practices
Guide teams in selecting high-value test cases for automation
Track and report key automation and quality metrics
Support onboarding of new engineers and ensure smooth ramp-up

Requirements

What you’ll need

Minimum 4+ years of experience in Software Testing, QA Engineering, or SDET roles
Strong hands-on experience in test automation design and development at scale
Advanced Python programming skills with ability to build and maintain robust automation frameworks
Experience with API and backend testing in complex distributed systems
Practical knowledge of UI test automation tools (e.g., Playwright, Selenium or similar)
Strong understanding of SQL, including writing complex queries for test data validation and automation purposes
Experience working with CI/CD pipelines and related tools (e.g., CircleCI or similar)
Familiarity with Linux environments and networking concepts used in day-to-day testing work
Experience with event-driven architectures or messaging systems (Kafka experience is a strong plus)
Solid understanding of debugging, log analysis, and root cause investigation in production-like environments
Ability to read, interpret, and work with technical and functional documentation in English
Strong ownership mindset with ability to work independently across multiple product areas
Proven ability to improve or contribute to automation frameworks and testing standards
Experience mentoring or supporting junior engineers is highly valued
Strong collaboration skills and experience working closely with developers, DevOps, and product teams.

Benefits

Comp & perks

Comprehensive Onboarding – From day one, we ensure you feel comfortable and supported, so you can quickly become part of the team.
Flat Structure – We value initiative and open communication. Every voice matters here!
Positive Company Culture & Team Spirit – We create an environment where everyone feels appreciated and comfortable.
Modern Work Methods – We use cutting-edge project management techniques inspired by the IT world.
Transparent Communication – Regular 360° feedback sessions and mentor support to help you grow.
Top-Notch Equipment – Get a MacBook for your work. If you choose to work from our Warsaw office, you'll also have access to a 34” (16:9) widescreen monitor and an ergonomic standing desk.
Weekly English Lessons – Optional classes with a native speaker to help you improve your skills.

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Hard Skills & Tools

PythonSQLUI test automationAPI testingbackend testingtest automation designdebugginglog analysisevent-driven architectureautomation frameworks

Soft Skills

strong ownership mindsetcollaboration skillscommunicationmentoringindependent workproactive risk mitigationknowledge sharingproblem-solvingattention to detailcross-team collaboration