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Hi, I’m Natallia Zen, a QA Engineer with 5+ years of experience delivering quality software for enterprise FinTech and marketplace platforms. I specialize in functional testing, microservices architectures, and cross-functional collaboration within Agile teams to ensure robust releases. I enjoy turning complex requirements into solid test plans, driving release readiness, and sharing best practices with teammates. I’m comfortable working across mobile, web, and API testing in fast-paced environments, always aiming to boost quality and reduce production defects.…Hi, I’m Natallia Zen, a QA Engineer with 5+ years of experience delivering quality software for enterprise FinTech and marketplace platforms. I specialize in functional testing, microservices architectures, and cross-functional collaboration within Agile teams to ensure robust releases. I enjoy turning complex requirements into solid test plans, driving release readiness, and sharing best practices with teammates. I’m comfortable working across mobile, web, and API testing in fast-paced environments, always aiming to boost quality and reduce production defects.

Natallia Zen

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Hi, I’m Natallia Zen, a QA Engineer with 5+ years of experience delivering quality software for enterprise FinTech and marketplace platforms. I specialize in functional testing, microservices architectures, and cross-functional collaboration within Agile teams to ensure robust releases. I enjoy turning complex requirements into solid test plans, driving release readiness, and sharing best practices with teammates. I’m comfortable working across mobile, web, and API testing in fast-paced environments, always aiming to boost quality and reduce production defects.…Hi, I’m Natallia Zen, a QA Engineer with 5+ years of experience delivering quality software for enterprise FinTech and marketplace platforms. I specialize in functional testing, microservices architectures, and cross-functional collaboration within Agile teams to ensure robust releases. I enjoy turning complex requirements into solid test plans, driving release readiness, and sharing best practices with teammates. I’m comfortable working across mobile, web, and API testing in fast-paced environments, always aiming to boost quality and reduce production defects.

Available to hire

Hi, I’m Natallia Zen, a QA Engineer with 5+ years of experience delivering quality software for enterprise FinTech and marketplace platforms. I specialize in functional testing, microservices architectures, and cross-functional collaboration within Agile teams to ensure robust releases.

I enjoy turning complex requirements into solid test plans, driving release readiness, and sharing best practices with teammates. I’m comfortable working across mobile, web, and API testing in fast-paced environments, always aiming to boost quality and reduce production defects.

Skills

SQL

Jira

Selenium

Experience Level

SQL

Expert

Jira

Expert

Selenium

Intermediate

Language

English

Advanced

Polish

Beginner

Russian

Fluent

Belarusian

Fluent

Work Experience

QA Engineer at Marketplace Platform

May 1, 2025 - March 1, 2026

Requirements Analysis: Analyzed business and functional requirements to design comprehensive test scenarios from scratch. Conducted functional, regression, and usability testing for high-traffic platforms. Created detailed test reports and documentation to ensure full transparency of testing activities and results. Process Optimization: Reduced production defects by 25% by refining test documentation and expanding regression coverage. Release Management: Validated fixes and performed final smoke tests to ensure stable, high-quality releases. Analyzed and filtered production errors before escalation to the development team. Delivered feature demos, contributed to scope meetings, and mentored junior colleagues through best practices, test case reviews, and tool guidance.

QA Engineer at Fintech Project

January 1, 2023 - April 1, 2025

Tested Flutter and Native apps across iOS/Android using physical devices and emulators/simulators. Leveraged log analysis (LogCat, Charles Proxy) to identify and debug back-end-related issues. Produced test execution reports. Assisted developers in reproducing bugs and verified fixes. Partnered with PMs and POs during the release phase to provide status updates, manage risks, and confirm go/no-go decisions. Designed test scenarios, cases, and checklists for complex financial products. Kept test environments up-to-date with existing CI/CD workflows.

QA Engineer at Fintech Project

September 1, 2021 - January 1, 2023

Experienced in testing both monolithic and microservices-based applications; performed static testing to catch defects early in the SDLC. Data Validation: Verified data integrity using SQL queries and created complex data sets for financial product testing. Automation Support: Updated and maintained automated test scripts using Cypress to improve regression efficiency. Defect Lifecycle: Managed the full defect lifecycle in Jira, collaborating closely with developers for timely resolution. Prioritized testing tasks to meet release deadlines. Kept test environments up-to-date with existing CI/CD workflows.