The Junior AI Data Engineer is an early-career role focused on learning the craft of data ... testing AI-generated code before committing it. * Follow the team's context files (CLAUDE.md ...
Quick apply
The Junior AI Data Engineer is an early-career role focused on learning the craft of data ... testing AI-generated code before committing it. * Follow the team's context files (CLAUDE.md ...
Quick apply
The Junior AI Data Engineer is an early-career role focused on learning the craft of data ... testing AI-generated code before committing it. * Follow the team's context files (CLAUDE.md ...
Position Profile Name: Jr. Characterization Engineer Requisition No.: 6600-1002 Type of Position ... Additional responsibilities include PCIe and Ethernet interoperability testing as well as learning ...
Position Profile Name: Jr. Characterization Engineer Requisition No.: 6600-1002 Type of Position ... Additional responsibilities include PCIe and Ethernet interoperability testing as well as learning ...
San Diego, CA · On-site
$32.30 - $35/hr
Epsilon Systems Solutions is seeking a full time Junior Structural Engineer I in San Diego, CA ... Review lifting plans and safety nets for design and testing. * Develop and review weight test memos.
San Diego, CA · On-site
$32.30 - $35/hr
Epsilon Systems Solutions is seeking a full time Junior Structural Engineer I in San Diego, CA ... Review lifting plans and safety nets for design and testing. * Develop and review weight test memos.
West Hollywood, CA · On-site
$80K - $90K/yr
With a pipeline of projects to build, we are looking for a dynamic Junior Architect to join the ... testing per project specifications and regulatory requirements · Ensure that materials and ...
Quick apply
West Hollywood, CA · On-site
$80K - $90K/yr
With a pipeline of projects to build, we are looking for a dynamic Junior Architect to join the ... testing per project specifications and regulatory requirements · Ensure that materials and ...
Los Angeles, CA The Junior JMeter Performance Test Engineer will support performance testing activities across Oracle CCS SaaS and integrated utility systems. This role will participate in test ...
Quick apply
Los Angeles, CA The Junior JMeter Performance Test Engineer will support performance testing activities across Oracle CCS SaaS and integrated utility systems. This role will participate in test ...
Job Title: Jr. Microsoft Dynamics 365 Tester Location: Hybrid (Miramar Air Base) California ... Dynamics 365 Testing or strong understanding. 1 yr exp. * Either used 365 or implemented it
Job Title: Jr. Microsoft Dynamics 365 Tester Location: Hybrid (Miramar Air Base) California ... Dynamics 365 Testing or strong understanding. 1 yr exp. * Either used 365 or implemented it
El Segundo, CA · On-site
$100K - $130K/yr
Today, we operate seven factories nationwide, including our advanced prototyping and testing ... Overview The Junior Propulsion Component Test Engineer supports the verification and qualification ...
El Segundo, CA · On-site
$100K - $130K/yr
Today, we operate seven factories nationwide, including our advanced prototyping and testing ... Overview The Junior Propulsion Component Test Engineer supports the verification and qualification ...
This position requires a junior person to participate in data collection during military system testing and performance events. Requirements: 1. Possess a High School diploma or GED 2. Possess, or be ...
This position requires a junior person to participate in data collection during military system testing and performance events. Requirements: 1. Possess a High School diploma or GED 2. Possess, or be ...
Oceanside, CA · On-site
$27.72/hr
This position requires a junior person to participate in data collection during military system testing and performance events. Requirements:1. Possess a High School diploma or GED2. Possess, or be ...
Quick apply
Oceanside, CA · On-site
$27.72/hr
This position requires a junior person to participate in data collection during military system testing and performance events. Requirements:1. Possess a High School diploma or GED2. Possess, or be ...
Oceanside, CA · On-site
$27.72/hr
This position requires a junior person to participate in data collection during military system testing and performance events. Requirements: 1. Possess a High School diploma or GED 2. Possess, or be ...
Oceanside, CA · On-site
$27.72/hr
This position requires a junior person to participate in data collection during military system testing and performance events. Requirements: 1. Possess a High School diploma or GED 2. Possess, or be ...
El Monte, CA · On-site
The Gill Corporation is seeking a Junior Quality Engineer to assist in performing inspections ... Perform (as needed in a supporting function) sample preparation and specimen testing to conform to ...
El Monte, CA · On-site
The Gill Corporation is seeking a Junior Quality Engineer to assist in performing inspections ... Perform (as needed in a supporting function) sample preparation and specimen testing to conform to ...
El Monte, CA · On-site
$70K - $84K/yr
The Gill Corporation is seeking a Junior Quality Engineer to assist in performing inspections ... Perform (as needed in a supporting function) sample preparation and specimen testing to conform to ...
El Monte, CA · On-site
$70K - $84K/yr
The Gill Corporation is seeking a Junior Quality Engineer to assist in performing inspections ... Perform (as needed in a supporting function) sample preparation and specimen testing to conform to ...
El Monte, CA · On-site
The Gill Corporation is seeking a Junior Quality Engineer to assist in performing inspections ... Perform (as needed in a supporting function) sample preparation and specimen testing to conform to ...
El Monte, CA · On-site
The Gill Corporation is seeking a Junior Quality Engineer to assist in performing inspections ... Perform (as needed in a supporting function) sample preparation and specimen testing to conform to ...
Los Angeles, CA · On-site
$80K - $120K/yr
Jr. Project Manager Location: Los Angeles, CA Position Type: Full-time Minimum Experience: 3 years ... Support system upgrades and programming transitions through testing, reporting, and remediation.
Los Angeles, CA · On-site
$80K - $120K/yr
Jr. Project Manager Location: Los Angeles, CA Position Type: Full-time Minimum Experience: 3 years ... Support system upgrades and programming transitions through testing, reporting, and remediation.
Ridgecrest, CA · On-site
$85K - $100K/yr
Utilize static code analysis and support vulnerability assessments and penetration testing to provide technical evidence of software security Requirements: Required Qualifications: * Junior Level: 3 ...
Ridgecrest, CA · On-site
$85K - $100K/yr
Utilize static code analysis and support vulnerability assessments and penetration testing to provide technical evidence of software security Requirements: Required Qualifications: * Junior Level: 3 ...
Jackson, CA · On-site
$60K - $117K/yr
... junior high schools and six elementary schools. Job Summary THE ACUSD ALLOWS YEAR FOR YEAR ... testing procedures, curricular or extracurricular, including all sports and other activities ...
Jackson, CA · On-site
$60K - $117K/yr
... junior high schools and six elementary schools. Job Summary THE ACUSD ALLOWS YEAR FOR YEAR ... testing procedures, curricular or extracurricular, including all sports and other activities ...
Los Angeles, CA · On-site
The Role KITSCH is seeking a Junior Packaging Engineer who brings precision, ownership, and follow ... Understand color management, testing protocols, and approval processes well enough to flag ...
Los Angeles, CA · On-site
The Role KITSCH is seeking a Junior Packaging Engineer who brings precision, ownership, and follow ... Understand color management, testing protocols, and approval processes well enough to flag ...
Los Angeles, CA · On-site
The Role KITSCH is seeking a Junior Packaging Engineer who brings precision, ownership, and follow ... Understand color management, testing protocols, and approval processes well enough to flag ...
Quick apply
Los Angeles, CA · On-site
The Role KITSCH is seeking a Junior Packaging Engineer who brings precision, ownership, and follow ... Understand color management, testing protocols, and approval processes well enough to flag ...
China Lake, CA · On-site
$85K - $100K/yr
Utilize static code analysis and support vulnerability assessments and penetration testing to provide technical evidence of software security Requirements Required Qualifications: * Junior Level: 3 ...
China Lake, CA · On-site
$85K - $100K/yr
Utilize static code analysis and support vulnerability assessments and penetration testing to provide technical evidence of software security Requirements Required Qualifications: * Junior Level: 3 ...
The junior specialist will participate fully in developmental research regarding testing infants, toddlers, and children in behavioral experiments online and in person. They will report directly to ...
The junior specialist will participate fully in developmental research regarding testing infants, toddlers, and children in behavioral experiments online and in person. They will report directly to ...
| Aspect | Junior Testing | QA Tester |
|---|---|---|
| Required Credentials | High school diploma or equivalent; basic understanding of testing concepts | Similar; often includes certifications like ISTQB Foundation |
| Work Environment | Entry-level, often in software development teams | Same; typically within software or product development teams |
| Employer & Industry Usage | Common in IT and software companies | Widely used across tech, finance, healthcare industries |
| Search & Comparison Intent | Yes; often compared for entry-level roles | Yes; related but more comprehensive testing responsibilities |
Junior Testing and QA Tester roles share similar credentials, work environments, and industry usage. The main difference lies in scope: Junior Testing is often an entry-level position focusing on basic testing tasks, while QA Testers may have broader responsibilities including test planning and process improvement. Both roles are essential in ensuring software quality and are frequently compared by job seekers entering the testing field.
The most popular types of Testing jobs in California are:
Cities in California with the most Junior Testing job openings:

Full-time
Posted 8 days ago
Cortica is looking for a Junior AI Data Engineer to join its growing team!
The Junior AI Data Engineer is an early-career role focused on learning the craft of data engineering while building AI-first habits from day one. Working under the guidance of senior engineers, this role contributes to the data pipelines, models,and reporting that power care decisions, financial planning, and operational efficiency at Cortica.
This role partners with the data science, finance, and clinical operations teams on well-scoped tasks, growing toward independent ownership over time. AI-assisted development is part of the daily workflow: the Junior AI Data Engineer isexpected to use AI coding tools responsibly, verify their output, and build the judgment that turns AI acceleration into reliable, production-quality work.
We are a rapidly growing healthcare company pioneering the most effective treatment methods for children with neurodevelopmental differences. Our mission is to design and deliver life-changing care – one child, one family, one community at a time. Ultimately, we envision a world that cultivates the full potential of every child. At Cortica, every team member is instrumental in helping us achieve our mission!
Our culture and values guide how we work and treat one another. Cortica celebrates diversity and fosters an inclusive environment, seeking ideas and opinions from everyone on the team. We safeguard equal rights and respect for all individuals, regardless of race, color, religion, sex, national origin, age, disability, creed, genetic information, sexual orientation, gender identity or expression, ancestry, veteran status or other applicable, legally protected characteristics. All Corticaemployment decisions are made based on an individual's qualifications and ability to successfully perform the job responsibilities.
What will you do?
We'd love to hear from you if:
Your Compensation & Benefits
Cortica cares deeply about the well-being of each member of our team, and we have created a passionate, caring, and growth-minded culture that helps teammates thrive! As a Cortica teammate, we'll support your well-being through medical, dental, and vision insurance, a 401(k) plan with company matching and rapid vesting, paid holidays and wellness days, life insurance, disability insurance options, tuition reimbursements for professional development and continuing education, and referral bonuses. We value you and the experience you bring to your role, and are proud to provide you with a compensation and benefits package designed to enhance all aspects of your life.
The salary range for this role is between $80,000 - $90,000.
Privacy Notice
Cortica is committed to protecting your personal information in compliance with applicable federal and state laws. Please review our Privacy Notice to understand how your data is collected, used, and protected.
Fair Chance Ordinance Compliance
Cortica is committed to fair hiring practices. Qualified candidates with criminal histories will be considered and are not automatically disqualified from employment, consistent with applicable federal law, the California Fair Chance Act, and local ordinances such as the San Francisco Fair Chance Ordinance, the City of Los Angeles Fair Chance Initiative for Hiring, and the Los Angeles County Fair Chance Ordinance for Employers.
E-Verify Participation
This employer participates in E-Verify. Click here to view the E-Verify Poster and your Right to Work.
Este empleador participa en E-Verify. Haga clic aquí para ver el cartel de E-Verify y su derecho a trabajar.
#LI-NF1
#LI-Remote