I am a Senior QA Professional with 7.5 years in the Games/Tech industry, including work with Rockstar Games. I have helped release 7 AAA titles and 2 live-service titles, collaborating with teams across a range of departments and worldwide studios. I thrive in both automated and manual QA across the full Software Development Lifecycle, from pre-release to post-release, and I enjoy turning complex problems into quality improvements. I excel at bridging communication between developers and producers, and I am comfortable working with cross-functional teams across the globe to deliver reliable, quality software.

Sam O'Sullivan

I am a Senior QA Professional with 7.5 years in the Games/Tech industry, including work with Rockstar Games. I have helped release 7 AAA titles and 2 live-service titles, collaborating with teams across a range of departments and worldwide studios. I thrive in both automated and manual QA across the full Software Development Lifecycle, from pre-release to post-release, and I enjoy turning complex problems into quality improvements. I excel at bridging communication between developers and producers, and I am comfortable working with cross-functional teams across the globe to deliver reliable, quality software.

Available to hire

I am a Senior QA Professional with 7.5 years in the Games/Tech industry, including work with Rockstar Games. I have helped release 7 AAA titles and 2 live-service titles, collaborating with teams across a range of departments and worldwide studios. I thrive in both automated and manual QA across the full Software Development Lifecycle, from pre-release to post-release, and I enjoy turning complex problems into quality improvements.

I excel at bridging communication between developers and producers, and I am comfortable working with cross-functional teams across the globe to deliver reliable, quality software.

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Experience Level

Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Work Experience

Bookkeeper / Customer Store Manager at Entain Group – Ladbrokes / Coral: Sports Betting
May 1, 2024 - Present
Managed store bookkeeping and customer store operations for Ladbrokes/Coral retail outlets within Entain Group.
QA Analysis / Consulting Private Client at Private Client
March 1, 2024 - September 30, 2024
Commissioned to perform QA Analysis / Consultancy on a Project.
Senior QA Tester at Rockstar Games [Take-Two Interactive]
July 1, 2020 - March 31, 2024
Designed/executed a range of advanced QA testing practices across consoles, mobile, and PC, including API Testing, CI/CD Testing, DevOps Integration, Performance Testing, Security Testing, and User Acceptance Testing. Formally a key contact in the Single Player Department for tasking and review with management.
QA Analysis / Consulting Private Client at Private Client
March 1, 2022 - June 30, 2022
Commissioned to perform QA Analysis / Consultancy on a Project.
QA Analysis / Consulting Private Client at Private Client
August 1, 2020 - February 28, 2021
Commissioned to perform QA Analysis / Consultancy on a Project.
QA Tester at Rockstar Games [Take-Two Interactive]
July 1, 2017 - July 31, 2020
Designed/executed basic/intermediate QA testing across consoles, mobile, and PC; End-to-End, Integration, Regression, Sanity, Smoke, System, and Unit testing.

Education

Applications and Practices of Cyber Security at Udemy
July 1, 2025 - January 22, 2026
NCFE Foundation & Level 2 Certificate in Principles of Cyber Security at LMP Education
April 1, 2025 - July 1, 2025
BA (Hons) Film and Television Production at University of Lincoln
January 1, 2013 - January 1, 2017
BTEC Level 3 Diploma in IT (Triple Distinction) at Carmel College Sixth Form
January 1, 2011 - January 1, 2013
GCSEs (A*-C in all core subjects) at De La Salle High School
January 1, 2006 - January 1, 2011

Qualifications

NCFE Foundation & Level 2 Certificate in Principles of Cyber Security
April 1, 2025 - July 1, 2025
Applications and Practices of Cyber Security (Udemy)
July 1, 2025 - January 22, 2026

Industry Experience

Gaming, Software & Internet, Media & Entertainment