QA Engineer
Slimlink is a high-load short link service designed for marketing teams. We work with a microservices architecture and a tech stack that includes PHP, Go, Node.js, and TypeScript. We use Redis, RabbitMQ, and OpenSearch. The product processes millions of requests per day, and we are planning a multiple-fold increase in load. We follow agile methodology with short iterations, close team collaboration, and fast delivery of changes. The QA’s mission is to ensure quality in a rapidly growing, high-load service with actively evolving functionality.
Responsibilities
Conducting manual testing of web interfaces and REST APIs
Creating checklists, detailed test cases, and test plans
Participating in smoke, functional, integration, and regression testing
Logging bug reports and controlling the bug lifecycle
Preparing reports on conducted testing and identified issues
Interacting with the development team and product team
Participating in the improvement of testing processes and product development
Running automated tests using Playwright + TypeScript (UI/API)
Requirements
At least 3 years of QA experience in Middle+/Senior positions
Deep knowledge of testing methodologies and types of testing
Skills in working with HTTP API, JSON, and REST principles
Experience with CI/CD (GitLab) and testing in Docker environments
Proficient in DevTools and Postman
Experience using TMS/BTS systems
Knowledge of SQL – composing and executing DML and DDL queries
English language proficiency at B1 level
Russian – fluent
Proactive approach, attention to detail, independence
Will be a plus:
Experience with Playwright or Selenium WebDriver
Skills in test automation (TypeScript, Java, Python)
Experience in load testing (JMeter, K6)
Knowledge of version control systems (Git)
Experience in testing microservices architecture
Working with monitoring systems (Grafana)
Skills in working with bash
Ideal Candidate:
Clearly understands the difference between QA and Test Engineer roles
Follows the principle of creating test cases based on checklists
Recognizes the critical importance of preventing errors in the later stages of the SDLC
Can clearly localize frontend and backend errors
Strives for zero bugs in production
We offer
Remote work
Flexible start of the day
Paid leave of 21 days
Posted on: 9/10/2025

Uspio
A user-friendly B2C service that helps companies build strong customer connections through global SMS messaging.
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