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Senior Software Engineer In Test Jobs in Saint Louis, MO

Sr SDET - STL,MO

Saint Louis, MO · On-site

$48.50 - $62.75/hr

Sr SDET(QE) - 2 Positions - New Only fulltime STL, MO Excellent communication skills, verbal and written; able to communicate with technical people as well as management and business Has a broad ...

New

Sr SDET - STL,MO

Saint Louis, MO · On-site

$48.50 - $62.75/hr

Sr SDET(QE) - 2 Positions - New Only fulltime STL, MO Excellent communication skills, verbal and written; able to communicate with technical people as well as management and business Has a broad ...

New

Title: Java - SDET Location: St Louis, MO Duration: 3 yrs SDET ROLE * Let me be very clear here - these are NOT traditional QA roles. I.e. Selenium-only or QTP/UFT-only guys who are QA Engineers.

Java - SDET Location: St Louis, MO Duration: 3 yrs SDET ROLE * Let me be very clear here - these are NOT traditional QA roles. I.e. Selenium-only or QTP/UFT-only guys who are QA Engineers. Instead, I ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... test strategies, automation plans, integration specifications, and operational readiness ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Develop robust test automation using Java, Spring, JUnit, Rest Assured, JBehave, Cucumber, or ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Title and Summary Senior Software Engineer Overview Join a team responsible for building the ... in test automation, code coverage, and system reliability Analyze and optimize system performance ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ... optimize test execution, data handling, and performance validation Collaborate in Agile ...

Senior Software Engineer

Saint Louis, MO · On-site

$119K - $157K/yr

Shift Type Job Title Senior Software Engineer Education Bachelor's Degree Location Stereotaxis - St ... This role will design, develop, document, and test software written in the C++ language using ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ... optimize test execution, data handling, and performance validation Collaborate in Agile ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ... test strategies, and validation models • Ensure secure coding practices are embedded in ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Title and Summary Senior Software Engineer Overview Join a team responsible for building the ... in test automation, code coverage, and system reliability • Analyze and optimize system ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Role As a Senior Software Engineer, you will: • Design, develop, test, deploy, and support ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ... test strategies, and validation models • Ensure secure coding practices are embedded in ...

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Showing results 1-20

Senior Software Engineer In Test information

See Saint Louis, MO salary details

$21.9K

$122.1K

$159K

How much do senior software engineer in test jobs pay per year?

As of Sep 1, 2026, the average yearly pay for senior software engineer in test in Saint Louis, MO is $122,074.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,400.00 and $139,500.00 per year, depending on experience, location, and employer.

What is a senior software engineer in test?

Senior Software Engineers in Test are experienced professionals who design, develop, and implement automated testing frameworks and tools to ensure the quality and reliability of software products. They work closely with development and QA teams to identify testing needs, create robust test plans, and write automated scripts that validate software functionality. In addition to hands-on coding, they often mentor junior engineers, drive process improvements, and contribute to the overall testing strategy of the organization.

What are some typical challenges a senior software engineer in test faces when designing automated testing frameworks?

Senior Software Engineers in Test often encounter challenges such as integrating automated tests with complex, evolving codebases and ensuring tests remain reliable as features change. Balancing thorough test coverage with execution speed, especially in continuous integration environments, is another common concern. Additionally, collaborating with both development and QA teams to align on testing strategies and maintaining documentation for test frameworks are key responsibilities that require strong communication and adaptability.

What are the key skills and qualifications needed to thrive as a senior software engineer in test, and why are they important?

To thrive as a Senior Software Engineer in Test, you need a deep understanding of software development, test automation frameworks, and a background in computer science or a related field. Mastery of tools like Selenium, Jenkins, JUnit, and experience with CI/CD systems, as well as relevant certifications such as ISTQB, are typically required. Strong analytical thinking, problem-solving abilities, and effective communication skills set top candidates apart in this role. These skills are crucial for ensuring robust, scalable, and reliable software delivery in complex technical environments.

What is the difference between Senior Software Engineer In Test vs Software Development Engineer in Test?

AspectSenior Software Engineer In TestSoftware Development Engineer in Test
CredentialsBachelor's in CS or related field, experience in testing and automationBachelor's in CS or related field, strong coding skills, experience in testing
Work EnvironmentDesigning test strategies, automation frameworks, collaborating with development teamsDeveloping test tools, writing automated tests, integrating testing into CI/CD pipelines
Industry UsageCommon in tech companies, especially in QA and testing teamsWidely used in software development companies focusing on automation

The main difference is that Senior Software Engineer In Test often focuses on testing strategy and automation leadership, while Software Development Engineer in Test emphasizes developing testing tools and automation code. Both roles require strong coding skills and testing experience, but their focus areas differ slightly within the testing lifecycle.

What are the most commonly searched types of Software Engineer In Test jobs in Saint Louis, MO?

The most popular types of Software Engineer In Test jobs in Saint Louis, MO are:

What are popular job titles related to Senior Software Engineer In Test jobs in Saint Louis, MO?

For Senior Software Engineer In Test jobs in Saint Louis, MO, the most frequently searched job titles are:

What job categories do people searching Senior Software Engineer In Test jobs in Saint Louis, MO look for?

The top searched job categories for Senior Software Engineer In Test jobs in Saint Louis, MO are:

What cities near Saint Louis, MO are hiring for Senior Software Engineer In Test jobs?

Cities near Saint Louis, MO with the most Senior Software Engineer In Test job openings:

Infographic showing various Senior Software Engineer In Test job openings in Saint Louis, MO as of August 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $122,074 per year, or $58.7 per hour.

Sr SDET - STL,MO

Saint Louis, MO • On-site

$48.50 - $62.75/hr

Full-time

Posted 3 days ago

New


Job description

Sr SDET(QE) - 2 Positions – New

Only fulltime

STL, MO

Excellent communication skills, verbal and written; able to communicate with technical people as well as management and business

Has a broad understanding of Software Engineering concepts, testing and methodologies

Ability to be flexible, accountable, reliable, and industrious

Establish a strong presence as a change agent providing innovative, effective, and efficient Quality Assurance practices and solutions.

Ability to manage multiple priority efforts in parallel and ensure Quality Assurance standards are followed

Ability to work in an Agile environment

High-energy, detail-oriented and proactive with the ability to function under pressure in an independent environment

Fluent in Java and object-oriented development; strong background in test automation with a focus on APIs; experience with Spring Framework; experience REST Assured, Apache REST or other service-layer framework; working experience with JDBC connections, Oracle databases and PL/SQL; experience with JUnit and/or TestNG; working experience with Selenium WebDriver (Java); working experience of delivery tools and scripting (Bamboo, Jenkins); working knowledge of ALM tool

Additional Skills: Experience in Pivotal Cloud Foundry or other cloud platforms; experience and knowledge of continuous delivery and/or continuous integration; Groovy scripting