We are looking for a Manual QA Engineer (Backend). In this role, you will dive deep into backend testing, working with both relational and document-oriented databases, REST API clients, Proxy tools, and analytics. Also you will test marketing logics, ensure seamless data accuracy, and directly influence the quality of a global-scale product. You will be part of a fast, responsive team with minimal bureaucracy, open communication, and the opportunity to grow through working with automation testing tools
About the company: United Tech is a global IT product company shaping the future of real-time social connection. With millions of users across North America, Europe, LATAM, and MENA, we build next-gen mobile and web apps for live-streaming and social networking. Our platforms enable connection at scale fast, interactive, and deeply engaging. The market is projected to exceed $206B by 2030, and we are already leading the evolution. Founded in Ukraine, scaling worldwide. Are you in?
In this role, you will
Perform manual testing of backend REST APIs and WebSocket flows using Postman, Swagger, and curl
Validate data and prepare test states in MongoDB
Test new backend features, verify bug fixes, and perform smoke, sanity, and regression testing before releases, including post-release production checks
Create and maintain test documentation, including test cases in Qase, checklists, and bug reports in Jira
Review product requirements and technical designs before implementation
Test A/B experiments, monetization flows, and analytics events, and work with internal tools such as admin panels, brand settings, and feature flags
Investigate bugs using logs and metrics in Grafana, identify root causes, and distinguish between client-side and backend issues while contributing to improved testing efficiency and quality
It’s all about you Have 2+ years of experience in manual backend testing using API tools such as Postman, Swagger, or curl
Have hands-on experience with MongoDB, including writing queries with filters and projections and using aggregation pipelines; confident SQL skills are an alternative, while MongoDB experience is preferred
Understand HTTP and REST fundamentals, including methods, status codes, headers, and token-based authorization, as well as the differences between REST and WebSocket
Know test design techniques such as equivalence partitioning, boundary value analysis, and decision tables
Have experience with test management systems such as Qase, TestRail, or similar tools, and use Jira and Confluence in your work
Have experience with MongoDB Compass or mongosh
Have experience testing A/B experiments and analytics events, including working with BigQuery or SQL
Have experience testing payment and subscription flows, including Apple/Google in-app purchases and web billing
Have an Intermediate (B1) level of English or higher
Would be a plus
Familiarity with Grafana, Loki, or Kibana for log and metrics analysis
Basic API test automation skills using JavaScript/TypeScript or Postman tests
Experience with proxy debugging tools such as Charles or Proxyman to distinguish client-side and backend issues
What we offer
Care and support:
20 paid vacation days, 15 sick days, and 6 additional days off for family events
Up to 10 additional days off for public holidays
100% medical insurance coverage
Sports and equipment reimbursement
Team building events, corporate gifts, and stylish merch
Maternity recovery support allowance
Financial and legal support
Position retention and support for those who join the Armed Forces of Ukraine
Participation in social initiatives supporting Ukraine
Comfortable working environment:
Work from our Kyiv hub or remotely with a flexible schedule
Modern equipment or depreciation of your own tools
Investment in your future:
Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking nich
