Ivan Kovalyov

- Developed and upgraded C2 agents and communication profiles for the Mythic C2 framework (Leviathan agent ecosystem).
- Refactored agent client and server codebases to Mythic v3 manifest standards and updated syntax to modern ES6 JavaScript.
- Built custom WebSocket communication profiles and integrated SOCKS5 proxy support for resilient C2 channels.
- Engineered a Shadow DOM data interception mo

● Developed and upgraded C2 agents and communication profiles for the Mythic C2 framework (Leviathan agent ecosystem).

● Refactored agent client and server codebases to Mythic v3 manifest standards and updated syntax to modern ES6 JavaScript.

● Built custom WebSocket communication profiles and integrated SOCKS5 proxy support for resilient C2 channels.

● Engineered a Shadow DOM data interception

● Architected a multi-application Playwright automation framework and migrated the core codebase into an NX monorepo.

● Developed custom Playwright fixtures, accelerating test case creation by 30% across engineering teams.

● Designed and built a custom WebRTC Call Performance Testing Framework using CDP, replacing commercial TestRTC tooling and reducing operational costs by $2,000/month.

● Crea

- Formulated and executed an end-to-end testing strategy for a WebRTC streaming platform, increasing overall test coverage by 40%.
- Built Web and REST API automation frameworks using Playwright (TypeScript), reducing regression testing cycles by 40%.
- Led and managed a team of 5 Manual QA and 2 Hybrid QA engineers, successfully driving a manual-to-automation transformation and cutting release cy

● Formulated and executed an end-to-end testing strategy for a WebRTC streaming platform, increasing overall test coverage by 40%.

● Built Web and REST API automation frameworks using Playwright (TypeScript), reducing regression testing cycles by 40%.

● Led and managed a team of 5 Manual QA and 2 Hybrid QA engineers, successfully driving a manual-to-automation transformation and cutting release

- Established an international QA engineering team from the ground up for the Jasper Healthcare platform, scaling it to 6 engineers within 6 months.
- Implemented unified UI, Mobile (Flutter Driver), and GraphQL API automation, reducing manual testing effort by 60%.
- Mentored junior and mid-level engineers, resulting in the promotion of 2 QA engineers to Senior roles.
- Designed strategic testing

● Established an international QA engineering team from the ground up for the Jasper Healthcare platform, scaling it to 6 engineers within 6 months.

● Implemented unified UI, Mobile (Flutter Driver), and GraphQL API automation, reducing manual testing effort by 60%.

● Mentored junior and mid-level engineers, resulting in the promotion of 2 QA engineers to Senior roles.

● Designed strategic test

● Built and managed a QA team specializing in frontend automation (Playwright TS) and performance benchmarking (K6).

● Managed full-cycle delivery processes, collaborating with Product Owners to define requirements and technical specifications for development teams.

● Transformed 3 manual QA engineers into Test Automation Engineers, reducing regression release cycle times by 30%.

● Provided int

- Executed functional, regression, and performance testing for a WebRTC telemedicine platform.
- Automated core regression suites using Playwright and CodeceptJS, reducing manual testing workload by 50%.
- Authored strategic QA documentation, including CPU testing strategies, skill matrices, and regression plans.
- Conducted WebRTC call performance testing using TestRTC and Nightwatch.
- Injected

Responsibilities:
- Cross-browser testing
- Desktop testing
- Mobile testing
- Automation Testing
- Performance testing
- Analyzing software, requirements and creating the appropriate test documentation (Test Plan, Test Cases)
- Raising the defect reports using TFS bug tracking system
- Discussion of questions and issues with QA Managers and Development team
- Testing status reporting

● Performed manual, API, mobile, and desktop testing for a Cash Logistics platform during a major migration from SOAP to REST APIs.

● Built automated testing frameworks using Pytest and Appium for API and mobile regression suites.

● Conducted performance testing using Apache JMeter and delivered product demonstrations for enterprise clients.

Responsibilities:
-Manual software testing
-Cross browser and cross platform testing
-Analyzing software, requirements and creating the appropriate test documentation (Test Plan, Test Cases)
-Raising the defect reports using JIRA bug tracking system
-Discussion of questions and issues with QA Managers and Development team
-Cross-browser testing
-Testing status reporting

● Executed manual, cross-browser, cross-platform, and API testing for e-commerce platforms.

Responsibilities:
-Manual software testing
-Cross Browser and IOS testing
-Analyzing software, requirements and creating the appropriate test documentation
-Raising the defect reports using JIRA bug tracking system
-Discussion of questions and issues with QA Managers and Development team
-Testing status reporting
-API testing
-Technologies:
HTML, CSS, JIRA, MS SQL Server 2012, IOS, POSTMAN

● Performed requirement analysis, test documentation creation, and API/functional testing for a CRM system (Supervisor Monitor).

Worked as System Administration Specialist at Ревенью Капитал.

Worked as Главный специалист по вопросам видеосвязи at Министерство доходов и сборов Украины.