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Ekaterina Smirnova

@ekaterinasmirnova

Message

I build risk-based quality strategies for complex backend, API, and mobile systems.

Spain

Message

At BrainRocket, I own and evolve risk-based quality strategy, test coverage, and release-readiness criteria across backend services, APIs, integrations, and critical workflows.

I've led QA at FxPro and Arrival, defining mobile and system test strategies, establishing QA standards, and mentoring teams. At Arrival, I led eight engineers and supported 18 releases for embedded vehicle software.

My hands-on work spans exploratory, API, integration, regression, and end-to-end testing across distributed systems. I've investigated production issues, validated data flows, and collaborated with Engineering and Product to identify risks and testability gaps before implementation.

Earlier, at OKKO, IQ Option, and Yandex, I tested microservices, trading and verification services, and B2B web and mobile platforms. I use Python, Java, TypeScript, Postman, SQL, and diagnostic tools to investigate complex failures and improve automated tests.

Experience

Work history, roles, and key accomplishments

Current

Senior QA Engineer / QA Lead

Current

BrainRocket

Aug 2024 - Present (2 years 1 month)

Owned and evolved risk-based quality strategy, test coverage, and release-readiness criteria across backend services, APIs, integrations, and critical product workflows. Defined and executed test coverage across API, integration, regression, negative, exploratory, and end-to-end scenarios.

Risk Based Testing Test Strategy Test Coverage API Testing Integration Testing Regression Testing Exploratory testing End To End Testing Postman Swagger OpenAPI SQL PostgreSQL Microservices Distributed Systems Log Analysis Root Cause Analysis Jira Confluence

QA Lead

FxPro

Apr 2023 - Jul 2024 (1 year 3 months)

Performed hands-on testing of native iOS and Android applications across functional, integration, API, exploratory, and acceptance scenarios. Defined risk-based test strategy, test coverage, regression scope, and critical user-flow scenarios for mobile applications in a regulated fintech environment.

Mobile Testing iOS Android API Testing Integration Testing Exploratory testing Acceptance Testing Risk Based Testing Test Strategy Regression Testing Appium Selenide Java Defect Analysis Requirements Analysis

QA Lead

Arrival

Jan 2021 - Feb 2023 (2 years 1 month)

Led a QA team of 8 engineers, coordinating testing activities and resourcing, mentoring team members, and defining quality priorities. Conducted end-to-end testing of embedded vehicle software using real hardware and test rigs, and supported 18 releases.

Team Leadership Mentorship End To End Testing Embedded Systems Test documentation Requirement Traceability Polarion ADB CANalyzer HMI Testing Defect Investigation Release Management

Senior QA Specialist

OKKO

May 2019 - Dec 2020 (1 year 7 months)

Performed exploratory, REST API, integration, and backend testing for approximately 10 Java- and Python-based microservices. Investigated application architecture, service dependencies, and data flows to identify and reproduce complex issues.

Exploratory testing REST API Testing Integration Testing Backend Testing Microservices Python Pytest PostgreSQL Cassandra Redis DynamoDB SQL Linux Elastic Stack Log Analysis Root Cause Analysis Knowledge Sharing

QA Specialist / Scrum Master

IQ Option

Mar 2018 - May 2019 (1 year 2 months)

Performed API testing for a verification service (PHP), ensuring reliability of critical user validation flows. Investigated issues using bash and log analysis, identifying root causes and improving defect resolution across services.

API Testing PHP BASH Log Analysis Root Cause Analysis Quality Practices Test Coverage Exploratory testing Manual Testing Testing Automation Risk Based Testing

QA Specialist

Yandex

May 2017 - Mar 2018 (10 months)

Performed exploratory, functional, and end-to-end testing of a B2B web and mobile SaaS platform. Investigated and reproduced user-reported issues using browser DevTools and technical evidence.