Manual QA (Backend)

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 niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events

Hiring process

• Intro call
• Technical interview
• Final Interview
• Reference check
• Offer