- Automate UI, API, and Batch regression test suites.
- Integrate automation tests into the CI/CD pipeline.
- Participate in and provide direction to testing activities to ensure the quality and functionality of assigned MasterCard developed systems.
- Expertise in Selenium and BDD frameworks (Cucumber, Jasmine, or JBehave).
- Intermediate knowledge of REST API testing and API automation frameworks (Restassured, Spock, or Karate).
- Intermediate knowledge of StormRunner or other performance testing tools.
- Intermediate knowledge of core Java, Groovy, Node.js, and ReadyAPI.
- Advanced experience writing user stories and acceptance criteria.
- Strong communication and problem-solving skills.
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Manager Test Engineering
1 week ago
SES Government Solutions BridgetonJob Summary · Leonardo DRS Land Systems is seeking a full-time Manager of Test Engineering for our Bridgeton, MO facility. This role requires expertise in the design, development, analysis, documentation, and support of complex products, systems, or subsystems. · Key Responsibili ...
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Test Automation Engineer
1 week ago
GDIT St. Louis Full timeJob Description: · Seize your opportunity to make a personal impact as a Test Automation Engineer supporting our government customers. We are GDIT, where people are our differentiator. · Our work depends on a TS/SCI cleared Test Automation Engineer joining our team to support ou ...
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Senior Software Test Engineer
11 hours ago
The Boeing Company Maryland HeightsJob Description · We innovate and collaborate to make a better world. At Tapestry Solutions, a Boeing Company, you can contribute to meaningful work with a company that values diversity, equity, and inclusion. We foster an environment where every teammate feels welcome, respected ...
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Associate System Test Engineer
11 hours ago
The Boeing Company St LouisAt Boeing, we innovate and collaborate to make the world a better place. · We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. · You can contribute to work that matters with a c ...
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Senior Software Test Engineer
1 week ago
Boeing Maryland HeightsSenior Software Test Engineer · Company: · Tapestry - G0G · Job ID: · 00000441789 · Date Posted: · 2025-01-18 · Location: · USA - Maryland Heights, MO · Job Description Qualifications: · Senior Software Test Engineer (Hybrid) · Tapestry Solutions, A Boeing Company, com ...
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Senior Software Test Engineer
1 week ago
Leonardo DRS BridgetonJob ID: 110180 · The Leonardo DRS Land Systems business is a recognized leader in the design and integration of complex technologies into new and legacy systems and platforms for global military and commercial customers. We are a 3 year running Top Workplace in the Greater St. Lo ...
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Software Development Engineering Test
1 week ago
The Dignify Solutions LLC St LouisKey Requirements: · 4-7 years of relevant experience · Key Responsibilities: · Experience in API testing, using tools like RestAssured and Postman. · Knowledge of Java programming language · Expertise in test strategy, design, automation, and creation of test reports. · Proficien ...
- LSEG (London Stock Exchange Group) Creve Coeur
Brief Job Description: Quality Engineers are involved in requirements analysis, test planning, writing test cases/scripts, test case automation, and execution of all testing (which may include application integration, system, system/network integration, performance testing and ac ...
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Associate Principal Test Software Engineer
1 week ago
BioFire Diagnostics HazelwoodSoftware Engineer · We develop equipment, tests, and software that deliver rapid, high-impact, actionable results in immunoassays, microbiology, and molecular biology. · Key Responsibilities: · Software Development: Write, test, and maintain high-quality code for software applica ...
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Associate Principal Test Software Engineer
4 days ago
bioMerieux Inc. HazelwoodJob Description · We develop equipment, tests, and software that deliver rapid, high-impact, actionable results in immunoassays, microbiology, and molecular biology. · Key Responsibilities: · Develop and support software supporting patient health and consumer product safety. · Wr ...
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Experienced F-22 System Test Engineer
11 hours ago
The Boeing Company St LouisJob Summary · The F-22 Raptor team has an exciting opportunity for an Experienced F-22 System Test Engineer (Level 3) to join the Agile Integration Lab (AIL) in Berkeley, MO with a focus on developing cutting edge solutions to continue the advancement of the world's premier air s ...
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Co-Op Engineers (May 2025-December 2025)
1 week ago
Rawlings Sporting Goods Company Inc O'Fallon Full timeJob Title: Quality Assurance/Product Development Co-Op Engineer · This is an Engineering Co-op position that will split time between Quality Assurance and Product Development. · Duties & Responsibilities: · Performs quality audits and new product development testing of sporting g ...
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Implementations Network Engineer IV
1 day ago
Leidos O'Fallon Full timeDescription · This position directly supports the DISA-provided capabilities and services. · The Implementations Network Engineer will perform installation oversight, configuration, testing, monitoring and servicing of network equipment for projects supporting the Department of D ...
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Software Engineer
1 day ago
RIT Solutions, Inc. O'FallonSoftware Engineer II - Level 8 (Software Engineer in Test) · Location: O'Fallon, Missouri (Main Campus) LOCAL CANDIDATES ONLY · Duration: End of 2025 · Key Responsibilities · Develop and maintain software applications using Apache Spark, Airflow, Databricks, and AWS. · Ensure Con ...
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Deputy test Director
1 week ago
SuprTek O'Fallon Full timeJob Title · Deputy Test Director · About the Role · The Deputy Test Director is a critical member of our team, responsible for ensuring portfolio item level acceptance criteria includes all development of automated testing code necessary for completion of the item, relative to al ...
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Junior Network Administrator
1 week ago
TEKsystems O'Fallon Full timeJob Title · Global Network Support Center (GNSC) Engineer · Key Responsibilities · Configure, test, troubleshoot, and maintain routers and switches. · Monitor and analyze network and telecommunications alarms to identify potential issues. · Investigate network and telecommunicati ...
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Java /J2EE Engineer (CldJaDe-8)
1 week ago
Commserve Technologies Inc O'Fallon Full timeJob Description · We are seeking a highly skilled Software Engineering Expert to join our team. · Key Responsibilities: · Develop applications using Java/J2EE technologies, focusing on large production systems with high transaction volumes. · Utilize excellent communication and d ...
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Network Implementation Engineer
15 hours ago
Leidos O'FallonDescription · Program Summary: The Leidos Digital Modernization Sector/Global Solutions Management-Operations II (GSMO-II) has an exciting opportunity for a Network Implementation Engineer. This role focuses on overseeing the installation, configuration, testing, monitoring, and ...
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Network Implementation Engineer II
1 day ago
Leidos O'FallonJob Title: Network Implementation Engineer · Program Overview: The Leidos Digital Modernization Sector/Global Solutions Management-Operations II (GSMO-II) contract supports the Defense Information Systems Agency (DISA), which provides command and control of Defense Information Sy ...
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Software Development Engineer II
1 week ago
Resource Informatics Group Inc O'Fallon Full timeJob Description · A Software Development Engineer II position is available at a confidential end client. · The role involves programming, testing, implementation, documentation, maintenance, and support of systems application software in adherence with Mastercard standards and pr ...
SENIOR SOFTWARE DEVELOPMENT ENGINEER IN TEST - O'Fallon - Resource Informatics Group Inc

Description
Job Overview
The Senior Software Development Engineer in Test (Sr. SDET) role is part of the Push Payments Development team, primarily focusing on the Mastercard Send application.
Mastery Send is an API-based application that handles P2P and Disbursement transactions, heavily integrated with Mastercard core applications.
Key Responsibilities
Requirements
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Manager Test Engineering
SES Government Solutions- Bridgeton
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Test Automation Engineer
Full time GDIT- St. Louis
-
Senior Software Test Engineer
The Boeing Company- Maryland Heights
-
Associate System Test Engineer
The Boeing Company- St Louis
-
Senior Software Test Engineer
Boeing- Maryland Heights
-
Senior Software Test Engineer
Leonardo DRS- Bridgeton
-
Software Development Engineering Test
The Dignify Solutions LLC- St Louis
-
Sr Engineer, Software Development Engineer in Test
LSEG (London Stock Exchange Group)- Creve Coeur
-
Associate Principal Test Software Engineer
BioFire Diagnostics- Hazelwood
-
Associate Principal Test Software Engineer
bioMerieux Inc.- Hazelwood
-
Experienced F-22 System Test Engineer
The Boeing Company- St Louis
-
Co-Op Engineers (May 2025-December 2025)
Full time Rawlings Sporting Goods Company Inc- O'Fallon
-
Implementations Network Engineer IV
Full time Leidos- O'Fallon
-
Software Engineer
RIT Solutions, Inc.- O'Fallon
-
Deputy test Director
Full time SuprTek- O'Fallon
-
Junior Network Administrator
Full time TEKsystems- O'Fallon
-
Java /J2EE Engineer (CldJaDe-8)
Full time Commserve Technologies Inc- O'Fallon
-
Network Implementation Engineer
Leidos- O'Fallon
-
Network Implementation Engineer II
Leidos- O'Fallon
-
Software Development Engineer II
Full time Resource Informatics Group Inc- O'Fallon