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QA Engineer focused on driving product quality through structured testing strategy and release ownership. Act as main QA point of contact, defining testing scope, regression coverage, and go/no-go validation across environments. Experienced in end-to-end web testing for FinTech (invoice financing/transport workflows), API verification (Postman/Swagger), and SQL data checks, with a strong track record of collaborating with cross-functional teams and improving QA workflows and user experience.…QA Engineer focused on driving product quality through structured testing strategy and release ownership. Act as main QA point of contact, defining testing scope, regression coverage, and go/no-go validation across environments. Experienced in end-to-end web testing for FinTech (invoice financing/transport workflows), API verification (Postman/Swagger), and SQL data checks, with a strong track record of collaborating with cross-functional teams and improving QA workflows and user experience.

Stefan Vulovic

QA Engineer, Game Tester, Project Manager

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QA Engineer focused on driving product quality through structured testing strategy and release ownership. Act as main QA point of contact, defining testing scope, regression coverage, and go/no-go validation across environments. Experienced in end-to-end web testing for FinTech (invoice financing/transport workflows), API verification (Postman/Swagger), and SQL data checks, with a strong track record of collaborating with cross-functional teams and improving QA workflows and user experience.…QA Engineer focused on driving product quality through structured testing strategy and release ownership. Act as main QA point of contact, defining testing scope, regression coverage, and go/no-go validation across environments. Experienced in end-to-end web testing for FinTech (invoice financing/transport workflows), API verification (Postman/Swagger), and SQL data checks, with a strong track record of collaborating with cross-functional teams and improving QA workflows and user experience.

Available to hire

QA Engineer focused on driving product quality through structured testing strategy and release ownership. Act as main QA point of contact, defining testing scope, regression coverage, and go/no-go validation across environments. Experienced in end-to-end web testing for FinTech (invoice financing/transport workflows), API verification (Postman/Swagger), and SQL data checks, with a strong track record of collaborating with cross-functional teams and improving QA workflows and user experience.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Language

Serbian

Fluent

English

Advanced

Work Experience

QA / Release Engineer at Play Studios Europe

December 1, 2023 - February 1, 2025

Monitoring production environment during live configuration changes to ensure stability and continuity. Managing onboarding and knowledge transfer processes for new and existing team members. Configuring Sales and Live Events within POP! Slots and MGM applications through the Back-Office system, including segmentation, duration, logic setup, and graphical adjustments. Publishing Live Events based on Product Manager input, main taining logs, documentation, and performance tracking monitors. Troubleshooting and resolving configuration issues in both test and production environments. Collaborating with development teams to support new tool features and workflow improvements. Configuring and preparing the Production environment as part of the release process.

Quality Assurance Engineer at Play Studios Europe

June 1, 2022 - December 1, 2023

Executing manual test cases, analyzing results, and ensuring overall product quality through systematic validation of a FinTech web application for invoice financing and transport management. Creating comprehensive test plans and documentation covering all major product use cases and scenarios. Collaborating cross-functionally with Product, Design, and Development teams to deliver high-quality features. Monitoring and validating Production stability and performance after releases. Reviewing and maintaining changes in Test Requirements to ensure alignment with evolving product specifications. High-level collaboration with Product, Design, and Development teams to improve test coverage and reliability.

QA Engineer at Moje Račun Srbija

June 1, 2020 - July 1, 2021

Executing manual test cases, analyzing results, and ensuring overall product quality through systematic validation. Creating comprehensive test plans and documentation covering major product use cases and scenarios. Collaborating cross-functionally with Product, Design, and Development teams to deliver high-quality features. Monitoring and validating production stability and performance after releases. Reviewing and maintaining changes in Test Requirements to ensure alignment with evolving product specifications. Working with cross-functional teams to identify defect root causes and communicate findings to stakeholders.

Broad Band Technical Support Consultant at SBB Serbia

December 1, 2021 - May 1, 2022

Delivered remote customer support for broadband services, troubleshooting hardware and connectivity issues, and guiding customers through installation and configuration. Managed customer cases end-to-end from initial contact to solution and follow-up. Documented all customer interactions and implemented solutions in the ticketing system to ensure accurate records. Provided high-quality assistance to clients by diagnosing and resolving software-related technical issues. Escalated complex problems to senior technical teams when necessary. Contributed to knowledge base and provided feedback for process improvements.

Quality Assurance Engineer at Invovitix AG (Remote)

June 1, 2025 - Present

Led QA activities across QA, Pre-Prod, and Production environments, covering end-to-end and exploratory testing of a FinTech web application for invoice financing and transport management; independently defined regression plans, testing strategies, and release validation processes to ensure product quality and stability; designed, maintained, and executed comprehensive test scenarios, ensuring clear traceability and consistent documentation; analyzed application behavior and front-end issues to identify root causes and verify data integrity across systems; managed deployment validation and environment coordination, working closely with developers, IT leads, and UI/UX designers; actively suggesting workflow improvements to enhance testing efficiency and user experience; acted as the main QA point of contact for testing scope and documentation.