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Senior Full Stack QA Engineer at Ciklum - QATestingJobs.com
Senior Full Stack QA Engineer
Ciklum • Kyiv, Ukraine
remotefull-time
Posted Feb 3, 2026
Role & seniority: Senior Full Stack QA Engineer
Stack/tools: REST API testing; manual and automated tests (API, UI, regression, functional, non-functional); Playwright, Jest or similar; TypeScript, JavaScript, Cucumber; HTTP libraries; CI/CD integration; GIT; test data/environment setup
Top 3 responsibilities
Design, implement and maintain test plans and cases; execute manual and automated tests
Integrate automated tests into CI/CD, analyze results, report on stability, identify and track defects
Lead UAT with internal/external users; mentor junior team members; contribute to QA process improvements
Must-have skills
5+ years in software development or QA automation with BDD
Experience with manual and automated test harnesses and REST API testing
Proficiency with Playwright/Jest (or equivalent), TypeScript/JavaScript, Cucumber
Experience with CLI tools (GIT); strong English communication; attention to detail
Ability to guide juniors and document testing practices
Nice-to-haves
Experience with non-functional testing and test data/environment management
Prior QA leadership or onboarding experience in cross-functional teams
Location & work type: Ukraine-based; full-time; hybrid/remote optional (flexible remote or from office)
Full Description
Ciklum is looking for a Senior Full Stack QA Engineer to join our team full-time in Ukraine.
We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.
About the role
As a Senior Full Stack QA Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. This role requires you to work in a multi-functional Agile team, where you may be the single QA Engineer, supported by the Quality tribe. You will be responsible for ensuring that software meets both the customer requirements and Quality standards, utilizing an automation first approach.
The Platform enables energy utilities to unlock the full value of a radically changing energy system and propel us to a future where renewable energy is sustainable, affordable and accessible for all. From automating and simplifying core operations including billing to create a lower-cost, higher-engagement experience, to optimising energy usage across smart devices in the home, we turn tough challenges into win-win-win outcomes for customers, suppliers and the energy system.
Responsibilities
Collaborate with development and product teams to establish test approaches
Design and implement test plans and cases
Develop and execute manual and automated tests such as API, UI, Regression, functional and non-functional tests
Integrate automated scripts/tests into the CI/CD pipeline to ensure reliable and high-quality software releases
Test case adjustments for automated testing needs
Prepare, set up and maintain test data and test environment preparations
Analyze test results and report about stability of the product under test
Identifying defects and collaborating with the team to resolve them
Plan and lead User Acceptance Testing (UAT) with internal and external users
Contribute to team initiatives to improve the overall QA process, such as identifying gaps or inefficiencies in automation workflows and manual testing processes and suggesting improvements
Manage, analyze, and mitigate testing risks
Onboarding of new team members on the project
Suggests improvements to testing and release workflow
Requirements
5+ years of software development or QA automation experience using Behaviour Driven Development (BDD)
Experience maintaining and executing both manual and automated test harnesses
Experience with Playwright, Jest or other best in class testing frameworks
Experience with TypeScript, JavaScript, Cucumber, HTTP request/Assert libraries
Experience with CLI tools such as GIT
Excellent verbal and written communication in English
Ability to communicate clearly and in a timely manner with technical and non-technical stakeholders
Excellent attention to detail
Capable of guiding junior team members in creating effective test documentation and best practices, enhancing the overall quality of the testing process
What`s in it for you?
Strong community: Work alongside top professionals in a friendly, open-door environment
Growth focus: Take on large-scale projects with a global impact and expand your expertise
Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications
Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies
Flexibility: Enjoy radical flexibility – work remotely or from an office, your choice
Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations
About us
At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.
As one of Ukraine’s largest IT companies and a top employer recognized by Forbes, we’ve spent over 20 years delivering meaningful tech solutions. We proudly support diverse talent and military veterans, recognizing their unique skills and perspectives they bring to shaping the future.
Want to learn more about us? Follow us on Instagram, Facebook, LinkedIn.
Explore, empower, engineer with Ciklum!
Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.