Anton Ostapczuk

Quality Assurance Engineer with 5 years of commercial experience testing enterprise Salesforce solutions across Sales Cloud, Service Cloud, Marketing Cloud, and Nonprofit Cloud. Experienced in end-to-end, functional, integration, regression, API, and UAT testing of complex business workflows and integrated systems. Hands-on experience with REST API testing using Postman, Salesforce data validation and troubleshooting using Salesforce Inspector and Data Loader, as well as defect investigation and root cause analysis.

Experienced in creating test plans, test cases, checklists, and release-level QA documentation. Worked on 30+ Salesforce projects in Agile teams, collaborating directly with developers, business analysts, product stakeholders, and other QA engineers throughout the full SDLC.

Salesforce QA Engineer at VRP Consulting (2021 – Present)

• Contributed to 30+ Salesforce projects across different domains, testing complex business processes, integrations, and custom Salesforce functionality.
• Analyzed business and functional requirements, identified test scenarios and risks, and designed and executed test cases for Salesforce applications, including Sales Cloud, Service Cloud, and custom Lightning components.
• Collaborated with developers, business analysts, and product stakeholders to clarify requirements, define acceptance criteria, investigate defects, and validate solutions before release.
• Performed REST API testing using Postman, including request/response validation, status codes, payloads, authentication, and negative scenarios.
• Used Salesforce Inspector and Data Loader for test data preparation, data validation, and troubleshooting Salesforce records.
• Used Jira for defect reporting and tracking, providing clear reproduction steps, expected/actual results, severity, and supporting evidence.
• Managed the defect lifecycle across multiple releases, including defect identification, reproduction, severity/priority assessment, triage, retesting, and regression verification.
• Performed end-to-end, integration, regression, smoke, and release testing of business-critical Salesforce workflows across Lightning and Classic environments.
• Supported UAT by preparing test scenarios, assisting business users, investigating reported issues, and validating fixes before production releases.
• Participated in backlog refinement and sprint planning, providing QA estimates, identifying testing dependencies and risks, and aligning test scope with release priorities.