Senior Full-stack Test Engineer (Manual, Automation

KMS provides the enterprise execution layer, where work becomes outcomes. We are a global, AI-native technology services company focused on Enterprise Execution. We help enterprises build and modernize applications, create trusted data foundations, put AI into production, and continuously run and improve the systems that execute the work.Founded in 2009 in the U.S., KMS has grown to serve clients worldwide, with locations across the U.S., Vietnam, Poland, and Mexico. We are trusted by technology and business leaders for the quality of our engineering, delivery, and execution. Our mission is to help enterprises move from business intent to measurable outcomes faster — with the control, reliability, governance, and confidence required to scale.At KMS, we believe sustainable growth is built on the success of our clients and employees and on making a lasting contribution to our communities.More about KMS Technology:Website: https://kms-technology.com Linkedin: https://www.linkedin.com/company/kms-technology Job DescriptionExecute all testing activities to improve product quality, work closely with the team (developers, business analysis, customer service, operation, etc.) to deliver the product successAddress the test automation needs in a methodical, detail-oriented manner with the help of robust analytical skills and problem-solving capacityAutomate functional, regression and/or performance acceptance testsHave complete responsibility to enhance end-to-end automated test coverageParticipate in sprint planning and work closely with the Scrum team to analyze requirements and provide necessary test recommendations (such as Feature Testing, Smoke Testing and Regression Testing in both manual and automation)Perform other tasks assigned by the line manager. QualificationsQualificationsGeneral RequirementsBachelor’s degree in IT, Computer Science or a related field. Likely having 5+ years of experience in software testing depending on how fast your learning and developing technical capabilityAble to self-learn and quickly adapt to new technologiesFamiliar with the Agile development methodologiesHands-on experience in leading test teams and managing sprint-based manual and automation testing tasks. Able to perform tasks under high pressureUpper-Intermediate English (verbal and written), able to work directly with clients. Technical requirements:Good domain knowledge of software development process, especially the software testing processStrong experience in manual testing (requirement analysis, test strategy, test approach, test plan, test techniques including black box, risk-based, exploratory, Non-UI testing, etc.)Hands-on experience testing web UI and APIs (Postman or similar). Working knowledge of test automation with Selenium, Playwright or Katalon, plus basic coding in Java, C#, JavaScript or similar. Experience in using tools: Postman, Git, IntelliJ IDEA, etc. Nice to haveBDD frameworks (Cucumber, SpecFlow); CI/CD (Jenkins, GitLab, GitHub Actions). Experience in Performance testingKnowledge of design patterns. Proficient daily use of AI coding tools (Copilot, Cursor, Claude Code) across the full SDLCAble to decompose complex tasks, provide effective context, and apply chain-of-thought and multi-step prompting workflowsExperience with agentic workflows and AI-driven development frameworksHands-on experience integrating AI tools with other systems via MCP (Model Context Protocol) or equivalentAwareness of emerging AI tools and willingness to evaluate and adopt new capabilitiesAdditional InformationPerks You'll Enjoy Working in one of the Best Places to Work in VietnamBuilding large-scale & global software productsWorking & growing with Passionate & Talented TeamDiverse careers opportunities with Software Services, Software Product Development, IT Solutions & ConsultingAttractive Salary and BenefitsPerformance appraisals every year and performance bonusOnsite opportunities: short-term and long-term assignments in North American (U.S, Canada), Europe, Asia. Flexible working timeVarious training on hot-trend technologies, best practices and soft skillsPremium healthcare insurance for you and your loved onesCompany trip, big annual year-end party every year, team building, etc. Fitness & sport activities: football, tennis, table-tennis, badminton, yoga, swimming…Joining community development activities: 1% Pledge, charity every quarter, blood donation, public seminars, career orientation talks,…Free in-house entertainment facilities (foosball, ping pong, gym…), coffee, and snacks (instant noodles, cookies, candies…)And much more, join us and let yourself explore other fantastic things!