# George Mukha — QA Auto Engineer / SDET (Full Profile)

> George Mukha (Georgii Mukha / Георгий Муха / Георгий Муха QA) — Senior QA Backend Engineer & SDET with 5+ years of experience in test automation, Kotlin, Java, and AI-driven QA.

## About

AQA/SDET with over 5 years of experience in the tech industry. I implement new technologies to automate product quality assurance.

## Key Facts

- Full name: George Mukha (Georgii Mukha, Георгий Муха, Георгий Муха QA)
- Role: Senior QA Backend Engineer / SDET / QA Auto Engineer / AI QA Engineer / Software Development Engineer in Test
- Experience: 5+ years in QA and test automation
- Main technologies: Kotlin, Java, PostgreSQL, ClickHouse, Kafka, FIX, gRPC, WebSocket, REST API, Grafana, Docker, Jenkins
- Languages: English, Russian
- Location: Serbia / Remote
- Open to offers: Yes

## Work Experience

### T-Bank (50 mln clients) — Senior QA Backend Engineer/QA Tech Leader
**Period**: July 2023 - October 2025

Development and implementation of all testing processes within a product consisting of 6 microservices handling financial calculations. Concurrently, I held the position of QA profession leader, where my responsibilities extended to technical practices across the entire company's QA team.

**Responsibilities**:
- Development and implementation of functional and non-functional test scenarios
- Implementation and expansion of load testing to product teams
- Implementation of product processes and technical practices within the development department
- Development of an automated QA AI service/Development of a QA Backend service
- Release approval

**Key Results**:
- Developed a QA AI service focused on writing test case scenarios, which reduced testing time from 1 week or more
- Implemented API coverage from zero to 98%, which resulted in a reduction in production errors and a 12-fold reduction in the company's regulatory fine costs
- Implemented load testing, which enabled the timely detection of over 500-times increases in request execution time and prevented SLA misses
- Automated smoke test launches based on triggers in development repositories, reducing the development team's dependence on the testing team
- Expanded the practice of load testing within the department, enabling us to understand during the development phase whether the product is capable of meeting non-functional requirements and fixing issues before production
- Implemented the 3 Amigo product practice, which reduced the number of acceptance bugs by a factor of 4

**Tech Stack**: Java, Kotlin, Kafka, gRPC, WebSocket, FIX, REST API, Grafana, PostgreSQL, LLM (model gemma-3-27b), GitLab CI/CD, Jenkins, Docker

### WEDEVX.CO — QA/AQA Engineer
**Period**: October 2022 - July 2023

Launching all testing processes from scratch (manual and automated) within an edtech product, specifically an asynchronous educational platform. QA team: 3 people.

**Responsibilities**:
- Developing and implementing functional test scenarios (UI, API)
- Creating a testing framework from scratch (Kotlin/Java)
- Integrating testing processes into development stages
- Approving releases

**Key Results**:
- Building testing processes from scratch, improving the quality of the entire product and user satisfaction
- Implementing API coverage with automated tests from zero to 100%, reducing testing time by tens of times compared to manual testing
- Developing WEB UI automated tests for mobile devices, tablets, and personal computers, which also reduced testing time by tens of times compared to manual testing
- Led the onboarding and training of two QA trainees, resulting in each QA being promoted to junior level

**Tech Stack**: Kotlin, Java, WebSocket, REST API, Grafana, PostgreSQL, MongoDB, Jenkins, Docker

### Discovery Studio — Fullstack Quality Assurance
**Period**: November 2020 - October 2022

Testing (manual and automated) of a mobile banking app.

**Responsibilities**:
- Conducting regression testing of chat support and notifications
- Writing automated tests (JavaScript, TypeScript)
- Assigning element identifiers to Android (Kotlin) and iOS (Swift) repositories

**Key Results**:
- Successfully maintained the quality of changes to iOS and Android mobile app products within the "chat support" and "notifications" sections

**Tech Stack**: Kotlin, Swift, JavaScript, TypeScript, WebSocket, REST API, ClickHouse

## Project Activities

### BHFT — SDET
**Period**: November 2024 - March 2025

Development and deployment of QA backend services, ensuring the quality of the platform for high-frequency trading (HFT) in cryptocurrencies and traditional finance.

**Key Results**:
- Developed a proxy service to intercept incoming and outgoing messages via FIX, gRPC, WebSocket, and HTTP protocols from the trading platform to trading exchanges. The service can modify requests/responses, simulate delays and channel blocking, and simultaneously work with multiple exchanges
- Implemented a service for creating a queue for automated tests to interact with specific exchanges to avoid cross-trading
- Developed and stabilized automated tests for market data gateways, execution gateways, and trading robots

**Tech Stack**: Kotlin, Java, Python, REST API, gRPC, WebSocket, FIX, Gradle, Docker, Jenkins, JUnit5, ClickHouse, PostgreSQL, Ktor

## Technology Stack

Kotlin, Java, PostgreSQL, ClickHouse, Kafka, FIX, gRPC, WebSocket, REST API, Grafana, Docker, Jenkins

## Contact Information

- Telegram: @themukha_tech
- LinkedIn: George Mukha
- Email: george@themukha.tech
- WhatsApp: +66638853290