Костя Мороз

QA Lead on a regulated healthcare platform (GxP) for personalized medical treatments, used across multiple sites, partners and time zones, where every error matters.

• Risk-based Testing: Cut regression effort by about 33% (from 200h to 135h) with a risk-based, AI-assisted strategy focused on the highest-risk areas; the release passed client acceptance testing and sign-off was approved

• QA Ow

Senior QA Engineer on enterprise risk and compliance systems for clients in the USA and Europe: candidate compliance workflows, business visit tracking and company-wide employee audits.

• Shift-left: Caught 12+ critical logic gaps at the requirements stage, which prevented 27+ hours of development rework; 10+ business-logic improvements I proposed were approved by stakeholders

• Tested complex

QA Engineer on web and mobile projects for clients in Europe and North America, with the main focus on a FinTech crowdfunding and investment platform.

• FinTech: Took ownership of end-to-end testing on a crowdfunding and investment platform, covering the full investor and founder journeys across public and private (invite-only) company listings

• Payments: Tested the Stripe payment integration

First commercial QA role: testing high-traffic e-commerce web platforms from requirements to release.

• Handled QA for 2 high-traffic e-commerce platforms at the same time, from requirements review to release

• Process Improvement: Introduced static testing at the requirements stage, which helped catch logic defects before development started

• Performed pixel-perfect UI testing against desig

Thesis: a computer system for controlling a group of unmanned aerial vehicles (UAVs).

Feb 2026

Feb 2026

Thesis: a security system with notifications based on the ESP32 microcontroller. Designed the system’s functional diagram and how its components work together.