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I’m a QA engineer with expertise in API testing and data validation, experienced in ensuring the accuracy and integrity of analytics systems, including Toast API implementations, and able to deliver actionable insights on short-term, high-impact projects. I have worked on complex projects, including a year-long crypto exchange engagement, where I conducted rigorous QA and data integrity checks. I excel at quickly identifying inconsistencies, providing clear recommendations, and delivering concise QA documentation to help teams optimize their analytics processes.…I’m a QA engineer with expertise in API testing and data validation, experienced in ensuring the accuracy and integrity of analytics systems, including Toast API implementations, and able to deliver actionable insights on short-term, high-impact projects. I have worked on complex projects, including a year-long crypto exchange engagement, where I conducted rigorous QA and data integrity checks. I excel at quickly identifying inconsistencies, providing clear recommendations, and delivering concise QA documentation to help teams optimize their analytics processes.

Nino Ristic

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I’m a QA engineer with expertise in API testing and data validation, experienced in ensuring the accuracy and integrity of analytics systems, including Toast API implementations, and able to deliver actionable insights on short-term, high-impact projects. I have worked on complex projects, including a year-long crypto exchange engagement, where I conducted rigorous QA and data integrity checks. I excel at quickly identifying inconsistencies, providing clear recommendations, and delivering concise QA documentation to help teams optimize their analytics processes.…I’m a QA engineer with expertise in API testing and data validation, experienced in ensuring the accuracy and integrity of analytics systems, including Toast API implementations, and able to deliver actionable insights on short-term, high-impact projects. I have worked on complex projects, including a year-long crypto exchange engagement, where I conducted rigorous QA and data integrity checks. I excel at quickly identifying inconsistencies, providing clear recommendations, and delivering concise QA documentation to help teams optimize their analytics processes.

Available to hire

I’m a QA engineer with expertise in API testing and data validation, experienced in ensuring the accuracy and integrity of analytics systems, including Toast API implementations, and able to deliver actionable insights on short-term, high-impact projects. I have worked on complex projects, including a year-long crypto exchange engagement, where I conducted rigorous QA and data integrity checks. I excel at quickly identifying inconsistencies, providing clear recommendations, and delivering concise QA documentation to help teams optimize their analytics processes.

Skills

Jira

Selenium

API

Experience Level

Jira

Expert

Selenium

Expert

API

Intermediate

Language

English

Advanced

Serbian

Fluent

Work Experience

QA Manager

April 1, 2025 - Present

Contract-based QA Manager leading quality assurance transformation for a regulated B2B iGaming platform (casino and sports book). Mentoring QA staff, developing structured QA procedures, auditing, end-to-end scenario coverage, and providing executive-level QA updates and continuous improvement plans.

Senior QA Engineer

October 1, 2023 - March 31, 2025

Working on a web/mobile applications platform with 360° documentation and AI-powered automated sketching. Writing and updating test cases, executing test runs, establishing testing processes and standards, and planning testing approaches in collaboration with cross-functional teams.

QA Engineer at Holycode

May 1, 2022 - September 30, 2023

Manual testing of comprehensive web applications for strategic marketing; close collaboration with design, development, and PMO teams; defining, creating and executing well-structured test cases using standard software testing methodologies; establishing testing processes and test case design; cross-functional collaboration.

QA Engineer at SKF

September 1, 2021 - April 30, 2022

QA Engineer working on an application closely connected with SPA systems; performing black-box, functional, regression, stress, visual, sanitation, and smoke testing; testing and deployment with CI/CD; supporting a system used across Europe and the Americas.

QA Engineer at Nordik Software Solutions

November 1, 2020 - August 31, 2021

Created and implemented comprehensive testing procedures for multiple SaaS projects; manual testing; API testing (Postman); test automation; black-box, functional, regression, stress, and smoke testing; integration with CI/CD and multi-tenant environments.