Zefr · 1 day ago
Quality Assurance Engineering Intern
Marina del Rey, CA
Internship
Hybrid
Intern
$25/hr - $30/hr
0+ years expZefr is a leading global technology company enabling responsible marketing in social environments. The QA Engineering Intern will help ensure a seamless experience for clients by identifying user-facing issues and validating data accuracy in customer portals.
AdvertisingEnterprise SoftwareInternetMarketingVideoVideo Advertising
Responsibilities
Build and Execute automated test cases to verify the functionality, usability, and visual integrity of customer-facing web applications
Validate API responses to ensure the data being sent to our portals is accurate, structured correctly, and performing efficiently
Perform data quality checks by writing Python scripts and SQL queries to compare the information displayed on the UI against the underlying database records
Document clear, reproducible bug reports in our tracking system to help developers identify and resolve technical issues quickly
Collaborate with senior QA engineers to maintain and extend automated UI test suites using Playwright framework
Participate in agile ceremonies, including sprint planning and daily stand-ups, to understand feature requirements and provide input on testability
Assist in regression testing during release cycles to ensure new updates do not negatively impact existing portal functionality
Qualification
Required
Currently pursuing a Bachelor's or Master's degree in Computer Science, Information Technology, or a related technical field
Previous internship experience or academic project work involving software testing, web development, or data analysis (0–1 years of experience)
Foundational knowledge of Python or another scripting language, with an interest in learning automated testing frameworks (e.g., Selenium, Playwright, or PyTest)
Basic proficiency in SQL for data retrieval and verification
Understanding of how web applications work, including basic knowledge of HTML, CSS, and how browsers interact with APIs (JSON/REST)
Strong attention to detail and a natural curiosity for 'breaking' software to find edge cases
Excellent written and verbal communication skills to effectively describe technical issues to cross-functional team members
A proactive learner who takes initiative to ask questions and seeks to understand the 'why' behind product features
Company
Zefr
Zefr is a technology company that uses artificial intelligence to deliver digital advertising services.
201-500 employees
H1B Sponsorship
Zefr has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (5)
2024 (3)
2023 (4)
2022 (10)
2021 (9)
2020 (2)
Funding
Current Stage
Late StageTotal Funding
$65.06MKey Investors
IVPU.S. Venture PartnersMK Capital
2016-03-09Series E· $5M
2014-02-26Series D· $30M
2012-08-15Series C· $18.5M
Leadership Team
Richard Raddon
Co-Founder, Co-CEO
Zach James
Co-Founder & Co-CEO
Recent News
2025-12-16
2025-12-11
Company data provided by crunchbase