Colman Marcus-Quinn
@colmanmarcus-quinn
I deliver enterprise API automation, technical discovery, and regulated customer solutions.
GermanyWhat I'm looking for
I've delivered API testing, Python automation, and release evidence for Zoll and other public-sector programmes at MSG, validating interfaces, data flows, and regression risks in regulated environments.
Across Commerzbank, Deutsche Telekom, Sanofi, Rolls-Royce, DVAG, and payments environments, I've turned complex workflows, defects, and technical constraints into practical delivery decisions. I bring hands-on experience in performance engineering, quality automation, SQL analysis, stakeholder reporting, and enterprise mobile delivery.
I lead technical discovery by clarifying customer problems, mapping workflows, defining success criteria, and explaining architecture trade-offs to technical and business stakeholders.
I've also built AI-assisted development workflows using OpenAI Codex on cloud-hosted Linux infrastructure, including a secure browser-based interface for task execution, monitoring, and automation. I'm focused on API platforms, demos, POCs, workshops, CI/CD, and customer enablement for enterprise teams.
Experience
Work history, roles, and key accomplishments
Test Automation Consultant
MSG
May 2023 - Present (3 years 3 months)
Consultant for public sector and enterprise programmes, focusing on API testing, automation, and quality assurance. Delivers repeatable automation and release evidence for regulated environments.
Performance and Test Engineering Consultant
Ilume Informatik
May 2021 - Dec 2022 (1 year 7 months)
Supported regulated banking systems with performance engineering, test automation, and stakeholder reporting. Created reproducible evidence for business-critical systems.
Enterprise Mobile Delivery
Ilume Informatik
Feb 2020 - Dec 2020 (10 months)
Lead mobile delivery for the Sanofi Order App and provided enterprise mobile app delivery and quality support for Rolls-Royce.
Automation and Quality Engineering
Ilume Informatik
Oct 2017 - Sep 2020 (2 years 11 months)
Delivered automation and quality engineering for a large-scale customer application with high visibility and frequent release cycles. Built trust across product, engineering, and business groups.
QA Automation and Systems Delivery
Ilume Informatik
Jan 2017 - Jun 2017 (5 months)
Worked on a financial adviser platform, combining functional testing, workflow automation, data checks, and stakeholder coordination.
Test and Integration Engineering
Inatec
Oct 2014 - Jan 2016 (1 year 3 months)
Supported payment-processing environments involving card/payment workflows, integration testing, and compliance-sensitive delivery.
Education
Degrees, certifications, and relevant coursework
Trinity College Dublin
Bachelor of Arts, Mathematics
Graduated with a degree in Mathematics, including additional study at TU Darmstadt.
TU Darmstadt
Mathematics
Additional study in mathematics and algorithmic work.
Tech stack
Software and tools used professionally
Availability
Location
GermanyAuthorized to work in
Job categories
Skills
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