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Software Testing Internship Jobs in Fairfield, CA

Clerkie

Software Engineer Internship

San Francisco, CA · On-site +1

$80/hr

A note before you apply We're hiring Software Engineering Interns! This is a full-time salaried 12 ... Experience with testing frameworks (Jest, Mocha) * Interest in fintech or financial literacy Other ...

PSC Biotech

Validation Engineer I

San Francisco, CA · Remote

$20 - $23/hr

Prior internship or project experience within computer systems/software testing and validation. * Basic understanding of validation processes and risk-based approach. * Familiar with clinical trial ...

Linuxconfig

Software Engineer, Storage

San Francisco, CA · On-site

$117 - $138/hr

Participate in testing and rollout of software across the stack, from bare metal to user-facing ... Some hands-on experience (through internships, school projects, or ~1 year of professional work ...

New

Zof AI

Software Engineer II

San Francisco, CA · On-site

$73 - $145/hr

Contribute to frontend, backend, testing, and internal tooling. * Participate in code reviews and ... Evidence of projects, internships, open-source work, or self-directed learning. * High learning ...

New

Crusoe

Software Engineer I, Storage

San Francisco, CA · On-site

$117 - $138/hr

Participate in testing and rollout of software across the stack, from bare metal to user-facing ... Some hands-on experience (through internships, school projects, or ~1 year of professional work ...

Crusoe

Software Engineer I, Network

San Francisco, CA · On-site

Participate in testing and rollout of software across the stack, from bare metal to user-facing ... Some hands-on experience (through internships, school projects, or ~1 year of professional work ...

New

Crusoe

Software Engineer I, Network

San Francisco, CA · On-site

Participate in testing and rollout of software across the stack, from bare metal to user-facing ... Some hands-on experience (through internships, school projects, or ~1 year of professional work ...

New

Crusoe

Software Engineer I, Storage

San Francisco, CA · On-site

Participate in testing and rollout of software across the stack, from bare metal to user-facing ... Some hands-on experience (through internships, school projects, or ~1 year of professional work ...

Crusoe

Software Engineer I, Storage

San Francisco, CA · On-site

Participate in testing and rollout of software across the stack, from bare metal to user-facing ... Some hands-on experience (through internships, school projects, or ~1 year of professional work ...

ProducePay

Software Engineer I, Storage

San Francisco, CA · On-site

$117 - $138/hr

Participate in testing and rollout of software across the stack, from bare metal to user-facing ... Some hands-on experience (through internships, school projects, or ~1 year of professional work ...

New

Amazon

Software Engineer, Safety

San Francisco, CA · On-site

... testing, and delivering software components on time and with quality. - Work independently and ... internship professional software development experience - 1+ years of professional software ...

Gradient Robotics

Software Engineer

San Francisco, CA · On-site

... with strong project or internship experience are welcome to apply) * Strong programming ... Bazel, Nix, HIL testing, or CI/CD * Experience with real-time control systems: motor control, high ...

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Software Testing Internship information

See Fairfield, CA salary details

$13

$25

$39

How much do software testing internship jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for software testing internship in Fairfield, CA is $25.87, according to ZipRecruiter salary data. Most workers in this role earn between $21.06 and $29.38 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 Fairfield, CA?

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

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

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

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

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

Software Testing Internship jobs near you

Software Engineering Internship

Hypercubic, Inc

San Francisco, CA • On-site

Full-time

Posted 6 days ago

Job description

The world's most critical infrastructure-banking, airlines, utilities-is held together by millions of lines of COBOL and mainframe logic written decades ago. The engineers who built it are retiring and the documentation is fading. These systems are "too big to fail" and "too complex to change," leaving global infrastructure frozen in the 1970s.
At Hypercubic, we're building AI systems that can understand, reason about, and rearchitect large-scale legacy applications. We work at the intersection of program analysis, knowledge extraction, and agentic systems, applied to some of the most critical enterprise software in the world.
Learn why we're excited about mainframe modernization.
About the Role
We are looking for students with unusually high slope and strong engineering taste. You will work directly with the CTO to design, prototype, and productionize AI-powered systems from first principles.
You'll start by owning a well-scoped project that ships to production. As you demonstrate strong judgment and execution, you'll take on broader ownership. Interns who perform well may receive an offer to join Hypercubic full-time.
This role is suited for someone with strong fundamentals who learns quickly and is comfortable working across abstraction layers, from low-level system reasoning to high-level product interactions.
What You'll Do
  • Own and ship a high-impact engineering project end to end.
  • Rapidly prototype new concepts and features to validate ideas before full implementation.
  • Build AI-driven systems, including agent workflows, evaluations, program-analysis tooling, backend infrastructure, and user-facing features.
  • Translate ambiguous problems into concrete experiments, constraints, and working systems.
  • Contribute to engineering standards around testing, reliability, and code quality.
  • Work directly with the CTO on technical and product decisions, taking on greater ownership as you earn trust.
  • Collaborate with subject-matter experts and customers across industries including banking, insurance, airlines, and utilities.

You are a Fit if...
  • You care deeply about your work and the product you are building.
  • You have strong programming fundamentals and can learn unfamiliar tools and systems quickly.
  • You have demonstrated your abilities through ambitious projects, research, open-source contributions, internships, or exceptional coursework.
  • You are comfortable with uncertainty and enjoy figuring out what to build before determining how to build it.
  • You think in systems and feedback loops, not just features.
  • You can move fast and slow-prototyping ideas in hours, then developing the most promising ones to a high-quality bar.
  • You can reason clearly about technical decisions and communicate your thinking.
  • You want to become world-class at AI engineering.
  • You have a bias for action and thrive in fast-moving environments.
Nice to Have
  • Experience building complex agentic products, infrastructure, or autonomous systems.
  • Strong testing intuition, including experience with TDD or property-based testing.
  • Experience building and maintaining production-grade software.
  • Exposure to legacy systems (especially mainframes or COBOL), compilers, program analysis techniques, or high-performance computing (HPC).
  • Familiarity with enterprise software constraints.
Logistics
  • Eligibility: Open to currently enrolled undergraduate and graduate students of any year, degree program, or major.
  • Location: This is a full-time, in-person role based in San Francisco, California.
  • Timing: Start dates are flexible and applications are considered on a rolling basis. We can accommodate summer internships, semester-long internships, and co-op schedules.
  • Relocation: Relocation support is available as needed.
  • Work authorization: Candidates must already be authorized to work in the United States. We can support CPT and OPT, but cannot sponsor new visas.

Apply