106 test software engineer jobs at 56 companies in Missouri
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
Bachelor's degree, foundational testing and basic programming knowledge, analytical problem-solving, ability to obtain U.S. Secret security clearance, familiarity with test procedures and defect management.
Team Foundation Server, Azure DevOps, OFP (Operational Flight Program), SIL (System Integration Lab)
California or New Jersey or New York or Washington or Hawaii or Alaska or Maryland or Connecticut or Rhode Island or Massachusetts or Nevada or Oregon or Arizona or Colorado or Wyoming or Texas or North Dakota or Minnesota or Missouri or Illinois or Wisconsin or Florida or Georgia or Michigan or Ohio or Virginia or Pennsylvania or Delaware or Vermont or New Hampshire or Maine or Utah or Idaho or Montana or New Mexico or South Dakota or Nebraska or Kansas or Oklahoma or Iowa or Arkansas or Louisiana or Mississippi or Alabama or Tennessee or Kentucky or Indiana or South Carolina or North Carolina or West Virginia or United States
$94k-$179k/yrRemoteFull Time
Mercury InsuranceNYSE: MCY: Provider of personal and commercial insurance coverage.
5+ YOEBachelor's in CS or related (or equivalent experience), 5+ years industry experience, 3+ years Java/Python and automation/framework development, CI/CD, containerization, cloud, performance and API testing experience.
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
1+ YOEBachelor's degree, active U.S. Secret clearance, ability to obtain TS/SCI, DoD 8140 foundational qualifications, 1+ years QA experience, proficiency with Python/JavaScript/PowerShell/.NET, Agile experience, test automation and Azure DevOps preferred.
H&R Block: A tax and financial services blending human expertise with digital innovation to serve clients.
2+ YOE2+ years software development experience, Bachelors in CS/IT or equivalent, experience with C#, .NET, SQL Server, Angular/TypeScript, Azure DevOps, unit testing and CI/CD practices.
H&R Block: A tax services providing tax preparation and related financial services.
2+ YOEBachelor's (or equivalent),2+ years software development experience with C#, .NET, SQL Server, Angular/TypeScript, Azure DevOps, CI/CD; strong debugging, testing, and communication skills.
MiTekNYSE: BRK-B: Provides software and automation for the building industry.
2+ YOEBachelor's in CS or related, 2+ years software development experience, experience with C#/.NET, SQL Server, web fundamentals, Git, testing, and strong communication and problem-solving skills.
Lead Software Development Engineer in Test (Lead SDET)
O’Fallon, Missouri, United States
$140k-$231k/yrHybridFull Time
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Extensive SDET/QA experience in large-scale, high-availability systems; strong C/C++ and test automation skills; Linux; CI/CD; leadership and mentoring required.
C, C++, Google Test, Linux, Shell Scripting, Git, CI/CD
NidecTokyo Stock Exchange: 6594: Manufactures electric motors and electronic components for industrial applications.
Currently enrolled in a bachelor's program in software engineering, computer science, or similar; available 25–29 hours/week while attending school; support testing, development, assembly, and lab activities for software controls.
Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Maryland or Massachusetts or Michigan or Minnesota or Missouri or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Puerto Rico or Rhode Island or Tennessee or Texas or Utah or Vermont or Virginia or Washington or West Virginia or Wisconsin or Wyoming or Brazil or Canada or Colombia or Germany or Ghana or India or Indonesia or Italy or Kenya or Mexico or Morocco or Netherlands or Poland or Singapore or South Africa or Spain or Switzerland or United Kingdom
$95k-$149k/yrRemoteFull Time
Wikimedia Foundation: Operates Wikipedia and provides global free knowledge infrastructure.
2+ YOE2–5 years software engineering experience; proficiency with JavaScript or PHP (or similar), unit testing, version control, strong written communication, and solid algorithms/data-structures skills.
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
5+ YOEActive U.S. Top Secret/SCI clearance; 5+ years software development in VB.NET/C#.NET; SQL experience; unit testing; CompTIA Security+ or Computer Science degree.
CarePortal: Technology platform connecting communities to support children in crisis.
Proven production software experience in object-oriented languages (PHP, Java, C#, Python), REST API and SQL schema design, SOLID principles, test-first discipline (unit/integration), discovery participation, and strong written communication.
Carlsbad or California or Missouri or Canada or United Kingdom or India or China
$95k-$126k/yrOnsiteFull Time, Temporary
HM Electronics: Provides specialized communication and timing solutions for various industries
5+ YOEDesign, fabricate, and program ATE; strong electronics and test equipment knowledge; computer programming and engineering software skills; BS in Electrical Engineering required; 5+ years experience.
Automated Test Equipment (ATE), PCB ATE, Engineering Computer Software, test equipment
Seattle or St. Louis or Arlington or Ridley Park or Charleston or Mesa
$183k-$265k/yrHybridFull Time
BoeingNYSE: BA: Manufactures commercial and military aircraft, satellites, and defense systems.
10+ YOEBachelor's degree in a technical field and 10+ years developing software, data pipelines, and cloud-based data services; U.S. Person required for export control; drug testing and COI assessment apply.
United States or Connecticut or South Carolina or Pennsylvania or New Hampshire or Hawaii or California or Alaska or Washington or Oregon or Texas or Alabama or Mississippi or Tennessee or Illinois or Wisconsin or Louisiana or Arkansas or Missouri or Iowa or Minnesota or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Idaho or Montana or Utah or Vermont or North Carolina or Massachusetts or Georgia or Rhode Island or New York or Maryland or Delaware or Virginia or Ohio or New Jersey or Maine
$148k-$185k/yrRemoteFull Time
Worksoft: Automation platform for enterprise business process testing and discovery.
10+ YOEBachelor's in CS/Engineering or 15+ years related experience; 10+ years Windows OO development; strong C#/.NET skills; WinForms/WPF experience; problem-solving, troubleshooting, and customer-facing communication skills; familiarity with CI/CD and test automation preferred.
Oak Brook or Alabama or Arizona or Florida or Georgia or Iowa or Illinois or Indiana or Michigan or Minnesota or Missouri or North Carolina or Nebraska or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or West Virginia
$107k-$137k/yrRemoteFull Time
Inspira Financial: Provides health, wealth, retirement, and financial custody solutions.
5+ YOE5+ years software product development experience; expertise in .NET (C#), .NET Core, MS SQL/T-SQL; cloud, container, and Kubernetes experience; Agile SDLC, automated testing, security and compliance knowledge; Bachelor’s preferred.
Alabama or Arizona or California or Colorado or Connecticut or District of Columbia or Delaware or Florida or Georgia or Illinois or Louisiana or Maine or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Nevada or North Carolina or New Jersey or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Texas or Tennessee or Utah or Virginia or Washington or Wisconsin
$136k-$153k/yrRemoteFull Time
Nava: Consultancy providing digital modernization services to government agencies.
5+ YOE5+ years full-stack engineering experience with Ruby/Rails and Typescript, experience building large-scale web systems, automated testing, code quality tools, system design, strong communication and collaboration.
Ruby, Ruby on Rails, Typescript, Linter, LinkedIn Learning
Toledo or Ohio or Michigan or Texas or Florida or Missouri or Oregon
RemoteFull Time
Double A Solutions: We build SaaS products to automate manual business processes.
4+ YOEBachelor's in CS or related; 4+ years .NET (C#/VB.NET) web development; experience with ASP.NET, HTML5, JavaScript, jQuery, MVC, CSS; MySQL or SQL Server; APIs/SOAP/XML; Git; strong debugging and testing skills; remote role limited to specific US states.
Microsoft .NET, C#, VB.NET, JSON, SOAP, XML, ASP.NET, HTML5, JavaScript, jQuery, AJAX, MVC, CSS, MySQL, Microsoft SQL Server, Git
H&R BlockNYSE: HRB: Provides income tax preparation and small business financial services.
5+ YOEBachelor's degree or equivalent, 5+ years web and hybrid mobile development, experience with Angular, .NET, Ionic, cloud/DevOps, unit testing, and mentoring.
CarePortal: Connects children and families in crisis with local support.
Production experience in an object‑oriented language (PHP, Java, C#, Python), REST API and SQL schema design, SOLID principles, test‑first development (PHPUnit/Pest/Dusk), reading unfamiliar codebases, product discovery involvement, and clear written communication.