Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Maria Bardina, a Senior QA Engineer with 9+ years of experience specializing in backend, API, and integration testing for fintech and life sciences projects. I love digging into complex distributed systems, tracing issues across logs, APIs, and databases to identify root causes rather than just surface bugs. I thrive in fast-paced environments with complex integrations and frequent releases, and I enjoy collaborating with distributed teams worldwide, using automation and AI-assisted testing to improve quality while reducing manual effort.…I'm Maria Bardina, a Senior QA Engineer with 9+ years of experience specializing in backend, API, and integration testing for fintech and life sciences projects. I love digging into complex distributed systems, tracing issues across logs, APIs, and databases to identify root causes rather than just surface bugs. I thrive in fast-paced environments with complex integrations and frequent releases, and I enjoy collaborating with distributed teams worldwide, using automation and AI-assisted testing to improve quality while reducing manual effort.

Maria Bardina

QA Engineer, AI Engineer, Data Scientist, +2





I'm Maria Bardina, a Senior QA Engineer with 9+ years of experience specializing in backend, API, and integration testing for fintech and life sciences projects. I love digging into complex distributed systems, tracing issues across logs, APIs, and databases to identify root causes rather than just surface bugs. I thrive in fast-paced environments with complex integrations and frequent releases, and I enjoy collaborating with distributed teams worldwide, using automation and AI-assisted testing to improve quality while reducing manual effort.…I'm Maria Bardina, a Senior QA Engineer with 9+ years of experience specializing in backend, API, and integration testing for fintech and life sciences projects. I love digging into complex distributed systems, tracing issues across logs, APIs, and databases to identify root causes rather than just surface bugs. I thrive in fast-paced environments with complex integrations and frequent releases, and I enjoy collaborating with distributed teams worldwide, using automation and AI-assisted testing to improve quality while reducing manual effort.

Available to hire

I’m Maria Bardina, a Senior QA Engineer with 9+ years of experience specializing in backend, API, and integration testing for fintech and life sciences projects. I love digging into complex distributed systems, tracing issues across logs, APIs, and databases to identify root causes rather than just surface bugs.

I thrive in fast-paced environments with complex integrations and frequent releases, and I enjoy collaborating with distributed teams worldwide, using automation and AI-assisted testing to improve quality while reducing manual effort.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Russian

Fluent

Work Experience

QA Engineer at Shiji (Enterprise hospitality system)

September 1, 2022 - Present

Test integration-heavy product features across APIs, logs, and data flows; validate end-to-end user flows; investigate issues across services using logs and databases; build and maintain API regression tests (Postman); automate critical flows in C#; coordinate releases, risks, and validation strategy; lead testing of a new sub-product; collaborate with distributed teams across China, Japan, and USA; run client demos explaining system behavior and testing results.

QA Engineer at Arcadia Inc

September 1, 2020 - September 1, 2022

Validated end-to-end user workflows in medical/life science systems; built QA processes from scratch for new product areas; coordinated a small QA team; clarified requirements and defined test coverage; supported release cycles; built regression and smoke test suites; created basic automated tests (CodeceptJS); performed API testing (Postman) with SQL-based data validation; interviewed QA candidates.

QA Engineer at Bitworks (Fintech)

August 1, 2016 - September 1, 2020

Tested complex product features in high-load fintech systems, including trading flows and real-time data; validated end-to-end user scenarios; backend and API testing; investigated production issues and user-reported bugs; supported releases of critical product features; worked with PostgreSQL to validate data; collaborated with developers and analysts to improve product quality; participated in interviews for QA candidates.