Manual QA (Backend)

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? 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 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

2+ years manual backend testing; experience with Postman, Swagger, curl, MongoDB, SQL, REST/WebSocket, test design techniques, Qase/TestRail, Jira, Confluence, A/B testing, analytics; Intermediate English (B1) or higher.

Key Responsibilities

• testing backend APIs
• validating data
• documenting test cases

Skills & Tools

Postman, Swagger, curl, MongoDB, SQL, Qase, TestRail, Jira, Confluence, MongoDB Compass, mongosh, BigQuery, Grafana, Loki, Kibana, JavaScript, TypeScript, Charles, Proxyman

Job Details

• Category: Quality Assurance
• Seniority: Mid Level
• Commitment: Full Time
• Workplace: Remote — Kyiv, Kyiv, Ukraine
• Languages: English

Benefits

• Generous paid time off
• Tuition reimbursement
• Generous parental leave

About United Tech

A global IT product company building next-gen mobile and web apps for live-streaming and social networking. — Industry: Information Technology