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Intern Software Test Engineer Sdet Jobs in Missouri

Know Ink, LLC

Quality Engineer

Saint Louis, MO · On-site

$67K - $87K/yr

SDET - Software Development Engineer in Test KNOWiNK -- St. Louis, Missouri (An On-site Role) At KNOWiNK, we build technology that powers elections across the country. That means quality isn't just a ...

Boeing

Software Test Automation Engineer

Hazelwood, MO · On-site

$43.50 - $57.25/hr

Software Test Automation Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company ... Experience working in an Agile development environment Preferred Qualifications (Desired Skills ...

Boeing

Software Test Automation Engineer

Hazelwood, MO · On-site

$43.50 - $57.25/hr

Software Test Automation Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company ... Experience working in an Agile development environment Preferred Qualifications (Desired Skills ...

Boeing Company

Software Test Automation Engineer

Hazelwood, MO · On-site

$42.50 - $56.25/hr

Software Test Automation Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company ... Experience working in an Agile development environment Preferred Qualifications (Desired Skills ...

New

Boeing

Software Test Automation Engineer

Hazelwood, MO · On-site

$43.50 - $57.25/hr

Software Test Automation Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company ... Experience working in an Agile development environment Preferred Qualifications (Desired Skills ...

Leidos

Mid-Level Test Engineer

Saint Louis, MO · On-site

$87K - $157K/yr

... software development lifecycle, and driving continuous improvement in an Agile environment, we'd ... As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ...

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All JobsIntern Software Test Engineer Sdet JobsIntern Software Test Engineer Sdet Jobs in Missouri

Intern Software Test Engineer Sdet information

What is the difference between Intern Software Test Engineer Sdet vs Intern QA Engineer?

AspectIntern Software Test Engineer SdetIntern QA Engineer
CertificationsBasic knowledge of testing tools, certifications like ISTQB beneficialSimilar certifications, often less specialized
Work EnvironmentFocus on automation, scripting, and test developmentManual testing, test case execution, and reporting
Industry UsageCommon in software development companies emphasizing automationWidespread across various industries including software and hardware

Intern Software Test Engineer Sdet roles typically involve automation and scripting skills, preparing interns for automation testing careers. Intern QA Engineer roles focus more on manual testing and quality assurance processes. Both roles serve as entry points but differ in technical focus and skill requirements.

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Infographic showing various Intern Software Test Engineer Sdet job openings in Missouri as of June 2026, with employment types broken down into 2% As Needed, 15% Full Time, 64% Part Time, 2% Temporary, 16% Contract, and 1% Nights. Highlights an 81% Physical, 6% Hybrid, and 13% Remote job distribution.

Quality Engineer

Know Ink, LLC

Saint Louis, MO • On-site

$67K - $87K/yr

Full-time

Re-posted 20 days ago

Job description

SDET – Software Development Engineer in Test

KNOWiNK — St. Louis, Missouri (An On-site Role)

At KNOWiNK, we build technology that powers elections across the country. That means quality isn't just a nice to have — it's everything. We're looking for an SDET who lives at the intersection of engineering and testing, someone who thinks in code, cares deeply about coverage, and wants to build automation that actually makes a difference. If you're the kind of person who gets excited about finding a bug before it ships, you're going to fit right in here.

What you'll be doing
  • Design, build, and maintain automated test frameworks and test suites across web, mobile, and API layers
  • Write clean, reusable test code that integrates smoothly into our CI/CD pipelines
  • Collaborate with developers and product early in the cycle to identify testability gaps and build quality in from the start
  • Perform manual and exploratory testing when automation isn't the right tool for the job
  • Own defect documentation and tracking from discovery through resolution
  • Contribute to code reviews on test automation with an eye for maintainability and coverage
  • Support performance and regression testing efforts across releases and hotfixes
  • Help maintain and improve QA documentation, standards, and processes as we grow
What we're looking for
2-4 years of SDET or test engineering experience
Solid programming skills in Python, JavaScript, Java, or similar
Hands-on experience with automation frameworks like Selenium, Cypress, or Playwright
Experience integrating tests into CI/CD pipelines
API testing experience with tools like Postman or REST Assured
Comfortable working in Agile/Scrum environments
Strong analytical thinking and sharp eye for edge cases
Clear communicator who collaborates well across engineering and product
Nice to have
  • Experience with performance testing tools like JMeter, K6, or LoadRunner
  • Mobile testing experience on iOS and/or Android
  • Familiarity with security testing practices
  • Exposure to cloud platforms like AWS, Azure, or GCP
  • Experience with Docker or containerized test environments
  • Background in elections tech, civic tech, or similarly high-stakes software
What success looks like

First 90 days

You understand our product, our stack, and our testing gaps, and you're already writing automation that matters

First 6 months

Your test coverage contributions are measurably reducing regression time and catching bugs earlier in the cycle

First year

You're a core part of how quality gets built into our product, not just validated at the end

Sound like you? We'd love to hear from you.


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