Dennys Valentina Mosquera Software Engineer | QA Engineer

QA Engineer

Corona, Perficient

Jun 2025 - Jan 2026 (8 months)

Supported QA activities for an e-commerce platform, focusing on functional validation, user story review, and defect management.
- Improved clarity of QA deliverables and supported stable sprint deliveries through structured testing and defect tracking.
- Leveraged an understanding of Systems Engineering principles to approach testing with a deeper insight into system interactions, enabling effective identification of root causes for issues and ensuring overall system reliability. This involved understanding software system design, build, and validation processes.
- Validated integrations between frontend and backend systems, performed API and database testing, and ensured applications met functional and technical requiremen

QA Trainer

Corona

Jun 2025 - Jul 2025 (2 months)

Delivered comprehensive QA training focused on Azure DevOps and Azure Test Plans for QA professionals, guiding teams on test planning, execution, and best practices, providing hands-on support and mentoring.
- Improved test organization, traceability, and overall QA process maturity across teams.
- My experience as a QA Trainer directly relates to Systems Engineering principles, as it involves teaching and applying core software engineering concepts like the Software Development Life Cycle (SDLC), testing methodologies, and system validation to ensure robust quality assurance.
- Trained QA professionals on designing effective test cases, understanding intricate system behaviors, and ensuring quality across various application

QA Engineer

Hyundai, Perficient

Nov 2024 - May 2025 (7 months)

Led end-to-end QA eﬀorts for chatbot integrations (WhatsApp/SMS) and web enhancements.
- Enabled the successful launch of new communication channels and website improvements by identifying critical issues early and ensuring release stability.
- My background in Systems Engineering has informed my approach as a QA Engineer, enabling a deeper understanding of software system design, construction, and validation. This has been instrumental in analyzing system architectures, validating frontend and backend integrations, and conducting API and database testing to ensure applications meet all functional and technical requirements.
- This foundational knowledge in software engineering principles, including the Software Development L

QA Engineer

Perficient

Aug 2024 - Dec 2024 (5 months)

Contributed to the automation of the employee time registration process through automated testing, supporting regression validation and improving process reliability and operational efficiency.
- Improved delivery efficiency and created a scalable automation foundation. Contributed to QA standards and efficiency metrics.
- My foundational knowledge in Systems Engineering closely informed my QA role, enabling a comprehensive understanding of software system design, construction, and validation. This included validating frontend and backend integrations, performing API and database testing, and ensuring applications met functional and technical requirements.
- This Systems Engineering background provided a deeper insight into s

Adjunct Professor

Universidad Icesi

Jul 2024 - Current (2 years 3 months)

Teach Software Engineering courses focused on requirements analysis, UML, and software processes. Design hands‑on activities aligned with real industry scenarios and agile practices.
- Improved student performance and industry readiness by bridging academia and real‑world QA and engineering practices.

QA Manual

Perficient, Healthfirst

Dec 2023 - Jul 2024 (8 months)

Designed the test plan and led QA activities for a major application version upgrade within a healthcare insurance environment.
- Improved release readiness and risk control by increasing early defect detection and ensuring on-time delivery of a critical application upgrade.

QA Engineer

Perficient

Jun 2023 - Dec 2023 (7 months)

Internal employee feedback and growth management platform. Contributed to API test automation and supported UI automation eﬀorts, while co creating and implementing the team-wide test strategy.
- Defined and implemented a test strategy that improved team delivery, increased early defect detection, and positively impacted quality and eﬃciency metrics.

QA Engineer

Perficient, Kinesso

Apr 2022 - May 2023 (1 year 2 months)

Validated complex data‑driven workflows for audience segmentation. Performed API, DB, and UI testing; supported CI/CD validations.
- Reduced production defects and increased delivery capacity through early issue detection.

Professor's assistant

ICESI University

Aug 2020 - Jul 2022 (2 years)

• Worked closely with Software Engineering professors, helping both in the preparation of didactic material and in the management of theoretical and practical classes. • Participated actively in the planning and execution of didactic activities, ensuring an environment favorable for effective learning. • Participated in the supervision and evaluation of software engineering projects carried out by students, providing constructive feedback to promote continuous improvement. • Developed effective communication skills by interacting with students, providing individualized guidance, and facilitating tutoring sessions. Business/Technology Value • After she started with her tutoring, the students' understanding of software engineering topics

Dennys Valentina Mosquera

About

Detail

Timeline

Résumé

Dennys Valentina Mosquera

About

Detail

Behavioral traits