Remote Backend QA Engineer (Manual Testing)

OpenKrill; United States; Remote; USD 65,000 - 95,000; Full time

Benefits offered by this job

Vacation days

Medical insurance

Sports reimbursement

Team events

Professional development

English classes

Corporate gifts

Job summary

United Tech is seeking a Manual QA Engineer (Backend) to join a fast, global team. You will test backend REST APIs, WebSocket flows, and data integrity across MongoDB, with emphasis on accuracy and reliability.

The role involves collaborating on requirements, designing tests, and validating monetization and analytics events to ensure a high-quality product. The position offers remote work with a flexible schedule and growth opportunities in automation testing tools.

Qualifications

• 2+ years of experience in manual backend testing using API tools such as Postman, Swagger, or curl.
• Hands-on MongoDB experience with queries including filters, projections, and aggregations.
• Strong understanding of HTTP/REST fundamentals, including methods, status codes, headers, and token-based authorization.
• Experience with test management systems such as Qase, TestRail, or similar tools, and use Jira and Confluence in your work.
• Experience with MongoDB Compass or mongosh.
• Experience testing A/B experiments and analytics events, including BigQuery or SQL.
• Experience testing payment and subscription flows, including Apple/Google in-app purchases and web billing.
• Intermediate English (B1) or higher.

Responsibilities

• 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.

Skills

Manual testing

Postman

Swagger

Curl

Tools

MongoDB

MongoDB Compass

mongosh

BigQuery

SQL

Jira

Confluence

Job description

United Tech is seeking a Manual QA Engineer (Backend) to join a fast, global team. You will test backend REST APIs, WebSocket flows, and data integrity across MongoDB, with emphasis on accuracy and reliability.

The role involves collaborating on requirements, designing tests, and validating monetization and analytics events to ensure a high-quality product. The position offers remote work with a flexible schedule and growth opportunities in automation testing tools.