Miodrag is available for hire
Hire MiodragMiodrag Zivanovic
Verified Expert in Engineering
Quality Assurance Engineer and Software Developer
Belgrade, Serbia
Toptal member since April 1, 2020
Bio
Miodrag is a manual QA engineer with significant experience in web and mobile testing. He's skilled at building QA from scratch and focusing on communication with the client. His QA work is always transparent, and client needs always drive the project. Miodrag is proactive, reliable, results-oriented, and communicative.
Portfolio
Nubilaria Srl
Quality Assurance (QA), Agile, Test Case Creation, CSV, Manual Testing...
1800NOFAULT LLC
Quality Assurance (QA), Glide, Monday.com, Mobile App Testing, Android, iOS...
Reddit, Inc.
Quality Assurance (QA), Mobile, Testing, QA Testing, Manual QA, Android, iOS...
Experience
- Regression Testing - 11 years
- Manual Software Testing - 11 years
- Website QA - 11 years
- Software QA - 11 years
- Manual QA - 9 years
- QA Testing - 9 years
- Quality Assurance (QA) - 9 years
- User Interface (UI) - 9 years
Preferred Environment
Android, iOS, BrowserStack, Skype, Slack, MacOS, Windows
The most amazing...
...experience I've had was when I covered the whole QA team testing in one sprint.
Work Experience
Software Validation Specialist
2025 - 2026
Nubilaria Srl
- Designed, maintained, and executed comprehensive test cases using CSV templates, ensuring standardized QA processes across multiple clinical trial projects.
- Performed simple to complex SQL queries in HeidiSQL to validate database integrity and support functional testing of desktop, web/mobile web applications.
- Conducted manual testing on Windows desktop and mobile platforms, identifying critical defects and verifying feature stability.
- Logged, tracked, and documented bugs in Monday.com, collaborating closely with project managers and QA managers to prioritize and resolve issues efficiently.
- Contributed to Agile workflows by providing timely QA feedback, improving sprint deliverables, and overall product quality.
Technologies: Quality Assurance (QA), Agile, Test Case Creation, CSV, Manual Testing, Test Cases, API Testing, Website QA, Software QA, Manual Software Testing, Smoke Testing, Monday.com, Regression Testing, User Interface (UI), UI Testing
QA Engineer
2025 - 2025
1800NOFAULT LLC
- Improved the quality of the client's mobile app (on Android and iOS) with a better UI/UX. After following the acceptance criteria for different features, new ideas were shared with the client and almost all have been accepted and implemented.
- Added, tracked, and verified bugs using the Monday.com board.
- Launched v2.0 of the app to production, resulting in rapid user growth and positive feedback. The client confirmed all expectations were met and exceeded.
Technologies: Quality Assurance (QA), Glide, Monday.com, Mobile App Testing, Android, iOS, Test Cases, Test Case Creation, Slack, Website QA, Software QA, Manual Software Testing, Smoke Testing, Regression Testing, User Interface (UI), UI Testing
QA Tester
2021 - 2025
Reddit, Inc.
- Communicated daily with Android/iOS developers, design managers, product managers, delivery managers, and QA team members via popular business communication tools to ensure smooth project coordination.
- Verified tickets daily, created new ones and performed comprehensive smoke and regression testing against acceptance criteria to maintain quality standards.
- Participated actively in feature planning, bug triaging, and playtesting to support the product development cycle.
- Authored and maintained clear, detailed test cases, ensuring efficient testing processes and knowledge sharing in TestRail and Zebrunner.
- Trained new QA team members to effectively handle tasks and ensure successful outcomes.
- Conducted weekly complete regression testing, with already defined Test Plans, for the media posts(video, gallery, and image posts) on both Android/iOS platforms to ensure feature stability and performance.
- Performed exploratory testing to discover unanticipated bugs and/or edge cases.
Technologies: Quality Assurance (QA), Mobile, Testing, QA Testing, Manual QA, Android, iOS, BrowserStack, TestRail, Zebrunner, Social Networks, Regression Testing, Smoke Testing, User Interface (UI), Test Cases, Test Case Creation, Jira, Asana, Slack, Software QA, Manual Software Testing, UI Testing
Manual QA Engineer
2022 - 2023
Mystery Tackle Box, Inc
- Collaborated closely with a small team of project managers, engineers, and front-end developers, completing different features in a very short time and within the deadline.
- Worked in Kanban and followed the progress of the tickets and their verification. I raised a significant number of bug tickets.
- Discovered, on two occasions, blockers before releases. Thanks to my finding, we saved a lot of money and clients' time and nerves.
Technologies: Quality Assurance (QA), Manual QA, BrowserStack, Manual Testing, Lambda Functions, Jira, Raygun, Kanban, Mobile App Testing, Agile, Functional Testing, Regression Testing, iOS, Android, QA Testing, Mobile, Testing, User Interface (UI), Test Cases, Test Case Creation, Slack, Website QA, Manual Software Testing, Smoke Testing, UI Testing
Manual QA Engineer
2016 - 2023
SnapMD
- Provided manual QA for a telemedicine technology company in the top 10 in the US.
- Established procedures, processes, and communication on projects.
- Wrote test cases and test plans and communicated daily with the project manager and QA lead.
Technologies: Windows, MacOS, Manual QA, BrowserStack, Postman, Mobile App Testing, Agile, Quality Assurance (QA), Manual Testing, Functional Testing, Regression Testing, iOS, Android, QA Testing, Mobile, Testing, User Interface (UI), Assembla, Test Cases, Test Case Creation, API Testing, Slack, Software QA, Manual Software Testing, Java, Skype, Smoke Testing, UI Testing
QA Engineer
2021 - 2022
Steady Platform, Inc
- Improved the project's quality by collaborating with the developers to bring many new users and a significant profit.
- Captured and reported over 300 bugs using Jira as a recording and monitoring tool.
- Gained several big investors quickly to invest in the client's product for further development.
Technologies: Quality Assurance (QA), Manual QA, REST APIs, Android, iOS, VPN, Segment, Hangfire, Postman, Mobile App Testing, Agile, Manual Testing, Functional Testing, Regression Testing, QA Testing, Mobile, Testing, Test Cases, API Testing, Website QA, Software QA, Manual Software Testing, Smoke Testing, UI Testing
Manual QA Engineer
2020 - 2021
Toptal MVP Project
- Tested the iOS app on iPhone X to find UI, functional, and API bugs.
- Located, reported, and retested bugs using Clubhouse.
- Created and executed different levels of test cases using TestRail.
- Communicated daily with developers, a project manager, UI/UX designers, and clients.
Technologies: Clubhouse, iOS, Mobile App Testing, Agile, Quality Assurance (QA), Manual Testing, Functional Testing, Regression Testing, Android, Manual QA, QA Testing, Mobile, Testing, Test Cases, Test Case Creation, API Testing, Website QA, Software QA, Manual Software Testing, Smoke Testing, UI Testing
Manual QA Engineer
2020 - 2020
Toptal Project
- Enhanced the system for different interfaces (customer, master admin, lower level admins) by finding different kinds of bugs such as UI, functional, and API.
- Located, reported, and retested bugs using Jira. Communicated daily with developers and project manager.
- Created and executed different levels of test cases using TestRail.
Technologies: Test Case Execution, Test Case Development, Test Cases, Test Case Creation, Jira, TestRail, Manual Testing, Manual QA, Mobile App Testing, Agile, Quality Assurance (QA), Functional Testing, Regression Testing, iOS, Android, QA Testing, Mobile, Testing, API Testing, Manual Software Testing, Smoke Testing, User Interface (UI), UI Testing
Team Leader of Airfreight Service Centre Emea and Pharma Careteam
2011 - 2016
Kuehne+Nagel
- Worked on a very sensitive project of Kuehne+Nagel as a first team lead for monitoring pharmaceutical shipments around the world.
- Collaborated with clients and KN colleagues around the world.
- Monitored and managed the quality of work of team members.
- Reported on daily, weekly, monthly, and yearly levels to corporate management.
Technologies: Windows, Agile
Experience
Telemedicine Platform
SnapMD’s Virtual Care Management (VCM) telemedicine platform is a white-label software platform integrated with all the features and functions you need to practice any form of medicine suitable for virtual care. As a software provider, we don’t offer medical services—we simply provide the technology to fully virtualize your clinic. The VCM platform’s single, intuitive interface enables an efficient, effective, easy-to-use virtual visit for both patient and provider.
TAYSTR
TAYSTR rates the actual dishes on the menu, while other apps only rate the overall restaurant. Seeking the most Instagrammable dish, the best pizza in town, a must-try cocktail, or the best dishes for vegans, paleo, or keto diets. TAYSTR is your guide to finding trending restaurant dishes in your area.
Discover and save new dishes to try. Track and share all of your favorites. Navigate your local food scene like a pro.
Discover and save new dishes to try. Track and share all of your favorites. Navigate your local food scene like a pro.
Voyage - New Zealand Government Project
Connecting Education New Zealand's tools and services with one account.
An administration portal and dashboard for Education New Zealand to give their industry partners easy, centralized access to all of ENZ's tools and services, migrating the existing users to use one identity and single sign-on to log in across all of their applications.
An administration portal and dashboard for Education New Zealand to give their industry partners easy, centralized access to all of ENZ's tools and services, migrating the existing users to use one identity and single sign-on to log in across all of their applications.
Manual QA Engineer
CONTRIBUTIONS
• Handled daily communication (scheduled meetings via Slack private messages and huddles) with Android and iOS developers, as well as the DM and PM.
• Conducted daily ticket verifications, added new tickets, and did smoke testing.
• Performed full regression testing once per week for my part of the project (media, which includes video, gallery, and image posts).
• Was a participant in feature planning, bug triaging, and playtesting.
• Wrote and maintained precise and very clear test cases.
• Handled daily communication (scheduled meetings via Slack private messages and huddles) with Android and iOS developers, as well as the DM and PM.
• Conducted daily ticket verifications, added new tickets, and did smoke testing.
• Performed full regression testing once per week for my part of the project (media, which includes video, gallery, and image posts).
• Was a participant in feature planning, bug triaging, and playtesting.
• Wrote and maintained precise and very clear test cases.
Education
2007 - 2009
Bachelor's Degree in Economics
Megatrend University - School of Business Studies - Belgrade, Serbia
2004 - 2007
Bachelor's Degree in Engineering
Information and Communication Technology (ICT) College - Belgrade, Serbia
Skills
Libraries/APIs
REST APIs
Tools
Zebrunner, Slack, BrowserStack, Assembla, TestRail, Asana, Skype, Jira, Clubhouse, Figma, Postman, VPN, Hangfire
Paradigms
Manual Testing, Agile, Functional Testing, Testing, Kanban
Platforms
iOS, Android, MacOS, Windows, Mobile
Languages
Java
Frameworks
Glide
Other
Test Case Creation, Test Cases, Manual QA, Manual Software Testing, QA Testing, Quality Assurance (QA), Mobile App Testing, Regression Testing, Smoke Testing, UI Testing, Software QA, Website QA, API Testing, User Interface (UI), Monday.com, Test Case Development, Test Case Execution, Windows 10, iPhone X, Segment, Lambda Functions, Raygun, Engineering, Social Networks, CSV
Collaboration That Works
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
1
Share your needs
Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2
Choose your talent
Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3
Start your risk-free talent trial
Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.
Top talent is in high demand.
Start hiring