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Software Testing Internship Jobs in Westminster, CA

MiniMed

Software Engineering Manager

Los Angeles, CA · Hybrid

$165K - $175K/yr

Leverage automation testing with Selenium, Cucumber, Behavior Driven Development (BDD) and TestNG ... Please note that "regular employees" refers to those who are not temporary staff, such as interns ...

Panasonic

Software Quality Engineer I - Hybrid

Irvine, CA · On-site

$69K - $115K/yr

Coursework, internship, project, or early-career exposure to software development lifecycles, testing, requirements, quality systems, audit readiness, regulated technical environments, data analytics ...

Panasonic

Software Quality Engineer I - Hybrid

Irvine, CA · On-site

$69K - $115K/yr

Coursework, internship, project, or early-career exposure to software development lifecycles, testing, requirements, quality systems, audit readiness, regulated technical environments, data analytics ...

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All JobsSoftware Testing JobsSoftware Testing Internship JobsSoftware Testing Internship Jobs in Westminster, CA

Software Testing Internship information

See Westminster, CA salary details

$13

$26

$39

How much do software testing internship jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for software testing internship in Westminster, CA is $26.20, according to ZipRecruiter salary data. Most workers in this role earn between $21.30 and $29.76 per hour, depending on experience, location, and employer.

What is a software testing internship?

A Software Testing Internship is a temporary position where students or recent graduates gain practical experience in testing software applications for bugs, usability, and performance issues. Interns work under the guidance of experienced testers or quality assurance engineers and may be involved in manual or automated testing processes. The internship provides hands-on exposure to industry-standard testing tools, methodologies, and documentation practices, helping interns build foundational skills for a career in software quality assurance.

What types of projects and tasks can I expect to work on during a software testing internship?

As a Software Testing Intern, you will typically assist with writing and executing test cases, identifying and documenting bugs, and working closely with the development team to ensure product quality. You may also get hands-on experience with various testing tools and methodologies, such as manual testing, automated testing, and regression testing. Interns often participate in daily stand-ups and collaborate with quality assurance engineers to understand best practices, providing a valuable opportunity to learn about the software development lifecycle and gain practical skills that are highly valued in the industry.

What are the key skills and qualifications needed to thrive as a software testing intern, and why are they important?

To thrive as a Software Testing Intern, you need a foundational understanding of software development concepts, basic programming skills, and knowledge of testing methodologies, often demonstrated through coursework or relevant certifications. Familiarity with tools like Selenium, JIRA, or TestRail, as well as basic scripting languages, is typically expected. Strong attention to detail, analytical thinking, and effective communication help interns identify issues and collaborate with development teams. These skills and qualities are vital for ensuring software quality, catching defects early, and supporting team efficiency in the development lifecycle.

What is the difference between Software Testing Internship vs QA Tester?

AspectSoftware Testing InternshipQA Tester
Required CredentialsTypically pursuing or recent graduate in Computer Science or related fieldRelevant certifications (e.g., ISTQB) often preferred, with some experience
Work EnvironmentEntry-level, training-focused, often in tech companies or software firmsFull-time role in software development or quality assurance teams
Employer & Industry UsageInternships offered by tech companies, startups, and software firmsPermanent position in IT, software development, and quality assurance industries

In summary, a Software Testing Internship is an entry-level, training-focused position for students or recent graduates, while a QA Tester is a full-time professional role requiring more experience and certifications. Internships serve as a stepping stone into a QA career, which involves ongoing responsibilities in software quality assurance.

What are popular job titles related to Software Testing Internship jobs in Westminster, CA?

For Software Testing Internship jobs in Westminster, CA, the most frequently searched job titles are:

What job categories do people searching Software Testing Internship jobs in Westminster, CA look for?

The top searched job categories for Software Testing Internship jobs in Westminster, CA are:

What cities near Westminster, CA are hiring for Software Testing Internship jobs?

Cities near Westminster, CA with the most Software Testing Internship job openings:

Software Testing Internship jobs near you
Infographic showing various Software Testing Internship job openings in Westminster, CA as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $54,498 per year, or $26.2 per hour.

Flight Software Engineer (All Levels)

Castelion Corporation

Torrance, CA • On-site

Other

Medical, Dental, Vision, PTO

This job post has expired today. Applications are no longer accepted.

Job description

About the job Flight Software Engineer (All Levels)
About Castelion
Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We're designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts.
Flight Software Engineer
As a Flight Software Engineer, you will play a key role in designing, developing, and testing flight software that powers these advanced systems. You'll work closely with multidisciplinary teams to deliver high-performance, real-time embedded software that operates reliably under extreme conditions.
This is a hands-on role for an engineer who thrives on solving hard problems, building robust systems from the ground up, and moving fast without compromising quality.
Responsibilities
  • Design, develop, and test real-time embedded flight software for missile systems
  • Collaborate with GNC engineers, systems engineers, and hardware teams to ensure seamless integration
  • Implement and maintain software for high-reliability, safety-critical environments
  • Support simulation, hardware-in-the-loop (HIL), and flight testing to validate performance
  • Participate in root cause analysis and debugging across software and system interfaces
  • Follow rigorous software lifecycle practices, including configuration management and verification
  • Contribute to defining and improving development processes, tools, and standards
  • Stay informed on emerging technologies and best practices relevant to flight software and real-time systems

Basic Qualifications
  • Bachelors or Master's degree in Computer Science, Electrical Engineering, Aerospace Engineering, or related field
  • Experience: Open to candidates across all experience levels, from early-career engineers to senior technical contributors. Professional experience, internships, research, open-source contributions, or other hands-on technical work will be considered.
  • Proficiency in C/C++ and experience with real-time operating systems (RTOS)
  • Familiarity with hardware/software integration and real-time system constraints
  • Experience working with GNC systems or similar control-intensive applications
  • Strong understanding of testing practices including simulation and HIL environments
  • Excellent problem-solving skills and attention to detail
  • Ability to work effectively in a fast-paced, multidisciplinary team environment
  • Active or eligible for a Top-Secret security clearance

Preferred Skills and Experience
  • Experience developing flight software for missile, launch vehicle, or spacecraft systems
  • Exposure to FPGA-based systems and embedded software optimization techniques
  • Knowledge of secure software development and cybersecurity best practices
  • Familiarity with agile or iterative development methodologies
  • Hands-on experience with software verification, validation, and integration in defense environments

Leadership Qualities
  • Bias to Action and Creative Problem Solving. Desire and experience questioning assumptions in ways that lead to break through ideas that are ultimately implemented. Successfully bring in applicable processes/concepts/materials from other industries to achieve efficiency gains. Ability to personally resolve minor issues in development without requiring significant support.
  • High Commitment, High Initiative. A successful candidate will have a genuine passion for Castelion's mission and consistently look for ways to contribute to the company's technical goals and prevent hardware blockers. Ability to work in a fast paced, autonomously driven, and demanding atmosphere. Strong sense of accountability and integrity.
  • Clear Communicator. Proactively communicates blockers. Trusted in previous roles to be voice of company with regulators, suppliers, gate keepers and customers. Capable of tactfully managing relationships with stakeholders to achieve company-desired outcomes without compromising relationships. Emails, IMs and verbal interactions are logical, drive clarity, and detailed enough to eliminate ambiguity.

ITAR Requirements

    Employment with Castelion is governed on the basis of competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
    All employees are granted long-term stock incentives as part of their employment as Castelion. All employees receive access to comprehensive medical, vision, and dental insurance, and the company offers four weeks of paid time off per year.

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