Igor – Playwright, Cypress, API Testing

A financial technology platform for investment professionals, with AI-powered assistants, recommendations and tools for retrieving and interpreting financial information. The React web interface works through REST APIs, with ETL pipelines and data transformations in the backend.

• Designed the test automation architecture and quality strategy for the platform.
• Built scalable UI and API automation frameworks with Playwright and TypeScript.
• Validated ETL pipelines and data transformations for accuracy and consistency across financial systems.
• Developed AI evaluation workflows with Python, LangChain, LangGraph and OpenAI APIs, covering RAG retrieval accuracy, response relevance, hallucinations and prompt adherence.
• Integrated automated regression tests and AI quality checks into GitHub Actions pipelines.
• Used Cursor and Playwright MCP to speed up test automation development and maintenance.

A large retail and e-commerce platform that supports online shopping, customer-facing web workflows and internal business operations. It runs on REST APIs and backend services, with end-to-end business processes that need continuous regression testing.

• Reduced CI execution time by about 65% with a Python and scikit-learn model that prioritizes regression tests.
• Cut flaky tests by about 40% with self-healing locator techniques.
• Designed and built UI and API automation frameworks with Playwright, TypeScript, Python, PyTest and BDD practices.
• Created reusable components and page object models for maintainability.
• Implemented visual regression testing with PyTorch and OpenCV.
• Explored LLM-based test evaluation with LangGraph.
• Mentored engineers on automation best practices and testing standards.

A large online gaming and lottery platform with customer web applications, account management, gaming transactions and identity and access management. It requires high availability, security and regulatory compliance.

• Helped reduce production defect leakage by about 40% through automated validation and quality gates.
• Defined the test automation strategy and built frameworks with Cypress, Playwright, Java, Selenium, TestNG and Cucumber.
• Automated more than 300 UI tests with Cypress and Playwright and over 500 tests with Java, Cucumber and TestNG.
• Built API testing solutions with Karate, REST Assured and Swagger.
• Integrated regression testing into GitLab CI pipelines.
• Ran performance tests with Apache JMeter and supported security testing of identity and access management.
• Worked with developers and business analysts to improve test coverage.

A hardware validation and regression testing platform used by engineering teams to verify CPUs, GPUs and related computing technologies. It includes Python-based validation tools, test orchestration and CI integration.

• Reduced regression execution time by about 25% through automation improvements.
• Built Python regression automation for GPU and CPU validation with PyTest and Requests.
• Integrated automated regression runs into Jenkins pipelines.
• Worked with edge computing technologies and hardware-oriented test environments.
• Investigated complex failures together with engineering teams.
• Tracked test execution, reporting and defects with Jenkins and TestRail.

A quality assurance consulting engagement delivering test automation for enterprise clients across several industries.

• Improved regression testing efficiency by about 35% on a provincial transportation ministry engagement.
• Designed and maintained automated testing solutions for enterprise clients.
• Built reusable automation components and frameworks for functional, regression and integration testing.
• Created automated validation with TestComplete and other enterprise testing tools.
• Integrated automated tests into GitLab CI for continuous validation.
• Worked with development teams on testing risks and coverage.

Enterprise video streaming and payment applications built on backend services and microservices in a cloud environment.

• Built UI automation with Cypress and Selenium.
• Tested backend services, APIs and microservices for functionality and integration.
• Developed Python validation solutions and tested databases on MongoDB.
• Integrated automated tests into Jenkins pipelines in cloud-based delivery environments.
• Supported performance testing and troubleshooting of distributed components.
• Worked with developers and DevOps engineers to speed up regression testing.

Software QA automation for Android-based products, covering release acceptance and regression testing.

• Led the SWQA automation team.
• Implemented the automated testing framework with Python and Appium.
• Built release acceptance and regression test sets.
• Supported QA and UAT for newly developed systems.
• Met regularly with the executive team to align on objectives and deliverables.

Network software verification covering functional, system, integration, regression and performance testing.

• Designed and implemented network verification as technical lead.
• Covered functional, system and integration testing.
• Ran regression, performance and stress tests.

Testing of enterprise information management software and Cisco networking solutions, using lab environments that emulate customer setups.

• Created test plans and test cases for information management software products.
• Built and configured test environments that emulated customer environments.
• Ran Cisco SCE lab testing and automated tests for networking and system monitoring.
• Wrote IXIA packet generation scripts and frameworks to test Cisco DPI performance, including malicious and large packet scenarios.
• Configured Cisco IOS with L2/L3 switching and routing and L4-L7 SLB.
• Reported product quality status and metrics across the organization.
• Worked with product managers, engineering and customer support on releases.

Corporate network operations covering Cisco switching and routing infrastructure, network security and monitoring tools.

• Maintained a network of Cisco Catalyst switches and routers.
• Designed and supported the core network, including trunking and VLAN setup.
• Owned network security, including IDS, Cisco firewalls, ACS servers and VPNs.
• Migrated 35 Catalyst 55xx devices to Catalyst 65xx.
• Implemented redundancy based on HSRP instead of VRRP.
• Built network backup and monitoring tools with Perl and MySQL.
• Documented the network topology, equipment and configuration.