Manual QA – Backend

United Tech

. Perform manual testing of backend REST APIs and WebSocket flows using Postman, Swagger, and curl .

Posted 10/19/2026full-timeRemote • UkraineJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in manual backend testing, particularly with REST APIs and WebSocket flows, while utilizing tools like Postman and MongoDB. Proficient in test design techniques and experienced in creating comprehensive test documentation and managing testing processes.

Highest-signal resume keywords

Manual Backend TestingAPI Testing Using PostmanMongoDB Query WritingTest Management Systems ExperienceLog Analysis Using Grafana

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Manual TestingREST API TestingWebSocket TestingMongoDBSQLTest Design TechniquesA/B TestingPayment Flow TestingBasic API Test AutomationProxy Debugging Tools

Tools & Technologies

PostmanSwaggerJiraQaseGrafanaMongoDB CompassBigQueryConfluenceCharlesProxyman

Industry Keywords

HTTP FundamentalsToken-Based AuthorizationRegression TestingSmoke TestingSanity TestingBug ReportingAnalytics EventsFeature FlagsLog AnalysisClient-Side Issues

Tech Stack

Tools & technologies

BigQueryGrafanaJavaScriptMongoDBSQLTypeScript

About the role

Key responsibilities & impact

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
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
Contribute to improved testing efficiency and quality

Requirements

What you’ll need

2+ years of experience in manual backend testing using API tools such as Postman, Swagger, or curl
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
Understanding of HTTP and REST fundamentals, including methods, status codes, headers, and token-based authorization
Understanding of the differences between REST and WebSocket
Knowledge of test design techniques such as equivalence partitioning, boundary value analysis, and decision tables
Experience with test management systems such as Qase, TestRail, or similar tools
Experience using Jira and Confluence
Experience with MongoDB Compass or mongosh
Experience testing A/B experiments and analytics events, including working with BigQuery or SQL
Experience testing payment and subscription flows, including Apple/Google in-app purchases and web billing
Intermediate (B1) level of English or higher
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

Benefits

Comp & perks

20 paid vacation days
15 sick days
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
Work from the Kyiv hub or remotely with a flexible schedule
Modern equipment or depreciation of your own tools
Collaboration with a highly-skilled team of Middle & Senior professionals
Performance-oriented reviews and Individual Development Plans (IDPs)
Reimbursement for professional courses and English classes
Corporate library, book club, and knowledge-sharing events