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Software Tester Internship Jobs in Seattle, WA (NOW HIRING)

Software internships are available across the company within different teams such as Boltline ... You will contribute to the full software lifecycle, including design, implementation, testing, and ...

Software internships are available across the company within different teams such as Boltline ... You will contribute to the full software lifecycle, including design, implementation, testing, and ...

New

Software internships are available across the company within different teams such as Boltline ... You will contribute to the full software lifecycle, including design, implementation, testing, and ...

A note before you apply We're hiring Software Engineering Interns! This is a full-time (40+ hours a ... Experience with testing frameworks (Jest, Mocha) * Interest in fintech or financial literacy Other ...

Troubleshooting system and software issues Collaborating with cross-functional teams on ... internship start * Experience with hands-on lab testing and technical documentation (e.g., lab ...

Troubleshooting system and software issues Collaborating with cross-functional teams on ... internship start * Experience with hands-on lab testing and technical documentation (e.g., lab ...

Troubleshooting system and software issues Collaborating with cross-functional teams on ... internship start * Experience with hands-on lab testing and technical documentation (e.g., lab ...

Troubleshooting system and software issues Collaborating with cross-functional teams on ... internship start * Experience with hands-on lab testing and technical documentation (e.g., lab ...

Troubleshooting system and software issues Collaborating with cross-functional teams on ... internship start * Experience with hands-on lab testing and technical documentation (e.g., lab ...

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Software Tester Internship information

See Seattle, WA salary details

$15

$28

$44

How much do software tester internship jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for software tester internship in Seattle, WA is $28.93, according to ZipRecruiter salary data. Most workers in this role earn between $23.51 and $32.84 per hour, depending on experience, location, and employer.

What is a software tester internship?

A Software Tester Internship is an entry-level role where interns assist in evaluating software applications to identify bugs, defects, and inconsistencies. Interns typically work alongside experienced testers and developers, executing test cases, documenting results, and reporting issues. They gain hands-on experience with testing methodologies, automation tools, and quality assurance processes. This internship helps build foundational skills in software testing and can lead to full-time opportunities in QA or development roles.

What does a software tester intern do?

As a Software Tester Intern, your typical responsibilities include reviewing software requirements, creating and executing test cases, reporting bugs, and collaborating with developers to resolve issues. You may also assist with manual and automated testing, regression testing, and documentation of test results. It's common to participate in team meetings and communicate feedback about the application's functionality and user experience. This hands-on experience allows you to learn industry best practices and gain a practical understanding of the software development lifecycle.

What are the key skills and qualifications needed for a software tester internship?

To thrive as a Software Tester Intern, you need a basic understanding of software development and testing concepts, proficiency in writing test cases, and typically a background in computer science or a related field. Familiarity with testing tools such as Selenium, JIRA, or Postman, as well as basic scripting or programming skills, is commonly required. Strong attention to detail, problem-solving abilities, and clear communication are essential soft skills in this role. These skills are important to identify software defects, ensure product quality, and effectively collaborate with developers and team members.

What are the most commonly searched types of Software Tester jobs in Seattle, WA?

The most popular types of Software Tester jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Software Tester Internship jobs?

Cities near Seattle, WA with the most Software Tester Internship job openings:

Infographic showing various Software Tester Internship job openings in Seattle, WA as of August 2026, with employment types broken down into 86% Full Time, 9% Part Time, and 5% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $60,164 per year, or $28.9 per hour.

Penetration Tester: Internship Opportunities

Microsoft

Redmond, WA • On-site

$5.6K - $11K/mo

Internship

Posted 5 days ago


Microsoft rating

8.6

Company rating: 8.6 out of 10

Based on 134 frontline employees who took The Breakroom Quiz

70th of 247 rated software companies


Job description

Overview
Come build community, explore your passions and do your best work at Microsoft with thousands of University interns from every corner of the world. This opportunity will allow you to bring your aspirations, talent, potential-and excitement for the journey ahead.
The Microsoft Offensive Research & Security Engineering (MORSE) team is looking for a learn-it-all engineer that will help secure Microsoft products and devices. The MORSE team is responsible for securing Microsoft's operating systems, including Windows, cloud computing platforms, and virtualization technologies. These solutions support the daily needs of over one billion customers worldwide. This team performs security design reviews, code reviews, and vulnerability research on key features of Windows and Azure to make sure they meet the highest possible security standards.
In this role, you will help engineering teams secure the operating systems built at Microsoft. The candidate should demonstrate experience with native code (C/C++), vulnerability research (code audit, writing fuzzers, finding creative ways to break assumptions), a clear understanding of OS security fundamentals, solid computer science skills, and a passion for keeping Microsoft customers safe.
As a Penetration Testing Intern, under supervision, you will identify problems and vulnerabilities through application of engineering to dynamically penetrate software, hardware or human systems. You will work on efforts that results in security bug discovery, exploitation and suggested security controls and mitigations in response to security flaws. You will develop and implement pen testing strategies and apply your expertise to engineer solutions. You will help influence mitigations for current and future products and solutions.
At Microsoft, Interns work on real-world projects in collaboration with teams across the world, while having fun along the way. You'll be empowered to build community, explore your passions and achieve your goals. This is your chance to bring your solutions and ideas to life while working on cutting-edge technology.
Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
#EiP
Responsibilities
  • Participates in security reviews to identify and mitigate risk in Microsoft products, including design reviews, code reviews, and fuzzing

  • Be the security contact for teams building new innovative products and technologies in the next version of Windows and Azure

  • Identifies security vulnerabilities in a wide variety of key OS features such as network protocols, security features, and Microsoft devices

  • Leverages a broad and current understanding of security to devise new protections

  • Interacts with the external security community and security researchers

  • Collaborates with product teams to improve security, and articulate the business value of security investments

Qualifications
Required Qualifications:
  • Currently pursuing a Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field, or related field with at least one semester/term of school remaining following the completion of the internship
    • OR Currently pursuing a Master's Degree in Statistics, Mathematics, Computer Science, or related field, or related field with at least one semester/term of school remaining following the completion of the internship.

Other Requirements: Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings:
  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Preferred Qualifications:
  • Currently pursuing a Master's Degree in Statistics, Mathematics, Computer Science or related field

  • Participation in security competitions such as Capture the Flag (CTF)

  • Experience exploiting bugs (e.g., buffer overflows, use-after-free) and bypassing security mitigations in operating systems

  • Experience creating and running fuzzers (e.g., AFL, libFuzzer)

  • Experience with reverse engineering and binary analysis using tools such as IDA Pro, Binary Ninja, or Ghidra

  • Experience with debuggers or other dynamic analysis tools such as WinDbg, GDB, LLDB, Frida, Pin, angr, etc.

  • Reliable experience in code auditing and performing static analysis to identify vulnerabilities

The base pay range for this internship is USD $5,690.00 - $11,210.00 per month. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $7,410.00 - $12,250.00 per month.
Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-intern-pay
Microsoft accepts applications and processes offers for these roles on an ongoing basis throughout the academic calendar
(September - April)
This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.
Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

What Microsoft employees say

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About Microsoft

Sourced by ZipRecruiter

Our infrastructure is comprised of a large global portfolio of more than 100 datacenters and 1 million servers. Our foundation is built upon and managed by a team of subject matter experts working to support services for more than 1 billion customers and 20 million businesses in over 90 countries worldwide. With environmental sustainability and optimization at the forefront of our datacenter design and operations, we continue to grow and evolve as we meet the ever-changing business demands that hold Microsoft as a world-class cloud provider.

Industry

Computer and computer peripheral equipment and software wholesalers

Company size

10,000+ Employees

Headquarters location

Redmond, WA, US

Year founded

1975

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