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Software Tester Jobs in Missouri (NOW HIRING)

Jobgether

The position combines software testing expertise, analytical problem-solving, and technical investigation to deliver high-quality products. You will work with diverse technologies, programming ...

Boeing

Software Systems Engineer

Hazelwood, MO · On-site

$163K - $193K/yr

The successful candidate for the role of Software Systems Engineer will play a crucial role in the design, development, testing, and maintenance of non-embedded software throughout the end-to-end ...

Boeing

Software Systems Engineer

Hazelwood, MO

$163K - $193K/yr

The successful candidate for the role of Software Systems Engineer will play a crucial role in the design, development, testing, and maintenance of non-embedded software throughout the end-to-end ...

Boeing

Software Systems Engineer

Hazelwood, MO · On-site

$163K - $193K/yr

The successful candidate for the role of Software Systems Engineer will play a crucial role in the design, development, testing, and maintenance of non-embedded software throughout the end-to-end ...

MasterCard

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Ensure adequate test coverage through unit, functional, integration, and performance testing practices. Contribute to and influence the architecture and design of software systems, ensuring ...

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How much do software tester jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for software tester in Missouri is $40.81, according to ZipRecruiter salary data. Most workers in this role earn between $31.35 and $49.13 per hour, depending on experience, location, and employer.

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

To thrive as a Software Tester, you need a solid understanding of software development life cycles, attention to detail, and knowledge of testing methodologies, often supported by a degree in computer science or related certifications. Familiarity with testing tools such as Selenium, JIRA, and experience with automated and manual testing systems is typically required. Strong analytical thinking, effective communication, and problem-solving skills help testers identify, document, and resolve issues efficiently. These skills ensure software quality, minimize defects, and contribute to successful product releases.

What is the difference between Software Tester vs QA Analyst?

AspectSoftware TesterQA Analyst
CertificationsISTQB, CSTEISTQB, CSTE
Work EnvironmentTesting teams, development projectsQuality assurance teams, project management
Industry UsageSoftware companies, IT firmsSoftware companies, IT firms
Primary FocusExecuting test cases, finding bugsDesigning test plans, process improvement

While both Software Testers and QA Analysts work to ensure software quality, Software Testers primarily focus on executing test cases and identifying bugs. QA Analysts take a broader role in designing testing strategies and improving quality processes. Both roles require similar certifications and are integral to software development teams, but their responsibilities differ in scope and focus.

Is it easy to become a software tester?

Becoming a software tester generally requires basic knowledge of software development and testing principles, which can be gained through training, certifications, or self-study. Many entry-level positions are available for those with attention to detail and problem-solving skills, and learning testing tools like Selenium or JIRA can improve job prospects. The difficulty varies depending on individual background and the complexity of the testing role.

What is a software tester?

A software tester conducts the QA (quality assurance) testing phase of the project lifecycle. Responsibilities include examining software or websites as a user would—as it will be used post-release. During these test cases, the software tester records any issues (“bugs”) and reports them to the development team so they can be fixed. A software tester explores the software with a critical mindset, assesses the functionality and overall experience, and reports their findings.

What are some common challenges software testers face when collaborating with developers, and how can these be effectively addressed?

Software testers often encounter challenges such as communication gaps with developers, differences in understanding requirements, and tight deadlines for bug fixes. These issues can lead to misunderstandings about defect severity or unclear expectations regarding test coverage. Effective strategies include maintaining open, respectful communication, participating in agile ceremonies like daily stand-ups, and using collaborative tools to track issues and share feedback. Building strong professional relationships and fostering a culture of mutual respect greatly enhances teamwork and leads to higher-quality software.

Are software testers still in demand?

Software testers remain in demand as companies prioritize quality assurance and software reliability. Skills in automation tools, scripting, and understanding of development processes enhance job prospects in this field.
More about Software Tester jobs
What are the most commonly searched types of Software Tester jobs in Missouri? The most popular types of Software Tester jobs in Missouri are:
What are popular job titles related to Software Tester jobs in Missouri? For Software Tester jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Software Tester jobs in Missouri look for? The top searched job categories for Software Tester jobs in Missouri are:
What cities in Missouri are hiring for Software Tester jobs? Cities in Missouri with the most Software Tester job openings:
What are popular job titles related to Software Tester jobs in MO? For Software Tester jobs in MO, the most frequently searched job titles are:
Software Tester jobs near you
Infographic showing various Software Tester job openings in Missouri as of August 2026, with employment types broken down into 95% Full Time, and 5% Contract. Highlights an 85% In-person, 10% Hybrid, and 5% Remote job distribution, with an average salary of $84,880 per year, or $40.8 per hour.

On Site - St. Louis MO - Senior Software Engineer

Object Computing, Inc.

Saint Louis, MO

$119K - $157K/yr

Full-time

Re-posted 4 days ago

Job description

On Site Required - In St. Louis MO
US Citizenship Required

Ready to contribute to cutting-edge defense technology and shape the future of battlefield superiority? Join our dynamic team working on a pivotal initiative focused on delivering advanced technological solutions to the U.S. Department of Defense and its allies. As a key member of our team, you'll be immersed in a challenging and rewarding environment where innovation thrives. We're collaborating with a leading mid-tier defense technology company specializing in areas like Advanced Sensing, Network Computing, and Force Protection, to develop and integrate state-of-the-art systems. If you're passionate about technology, thrive in a fast-paced setting, and want to make a tangible impact on national security, this project is for you. Be part of a team where your contributions are valued and your growth is encouraged, working alongside talented professionals dedicated to excellence and integrity. Dive into complex technical challenges, work with the latest tools and platforms, and experience the satisfaction of seeing your work directly contribute to significant advancements in defense technology.

Job Summary:
We are seeking a highly skilled Senior Software Engineer with robust expertise in C++ embedded development for a position based in St. Louis, Missouri. The ideal candidate will have a diverse set of programming skills that also includes languages other than C++. The right individual will contribute to diverse projects, requiring on-site presence four days a week. U.S. Citizenship is required.

Key Responsibilities
  • Design, develop, and maintain robust and efficient embedded software systems using modern C++ and embedded Linux (PetaLinux) for critical defense applications.
  • Provide detailed technical explanations of projects, including problems and solutions implemented.
  • Understand and work with complex software systems, including SDKs, third-party APIs, testing tools, and bench systems.
  • Understand and use simulators for software testing, including creating or improving simulators.
  • Apply various testing methodologies, especially for testing inputs/outputs of “black boxes.”
  • Debug communication problems between software and hardware devices.
  • Understand and perform codebase migration to new environments or operating systems.
  • Connect prior work and technical examples to the specific needs and challenges of our company, particularly in the aerospace, government, or defense sectors.
Required Skills & Qualifications
  • U.S. Citizenship required
  • Extensive experience in modern C++ and embedded Linux (PetaLinux).
  • Proficiency in scripting languages like PowerShell and Bash.
  • Experience with containerization technologies like Docker.
  • Familiarity with CI/CD pipelines.
  • Strong understanding of software systems complexities and “black boxes.”
  • Proficiency in creating and consuming technical documentation.
  • Familiarity with UML diagrams and tools like Confluence, Visio, and Doxygen.
  • Experience with simulators for software testing.
  • Knowledge of various testing methodologies.
  • Strong debugging skills for software and hardware communication problems.
  • Experience with or understanding of codebase migration.
  • Ability to describe technical projects in detail and discuss technical aspects succinctly and with depth.
  • Ability to identify and solve complex technical problems.
  • Strong communication skills to explain technical concepts and processes.
  • Ability to work on-site 4 days a week in St. Louis, Missouri.
Preferred Skills:
  • Experience with Linux or VxWorks, kernel development, or distributed computing.
  • Proficiency in Python and Java.
  • Experience in the aerospace, government, or defense sectors.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.