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Sr Software Development Engineer In Test Jobs in Missouri

Kanak Elite Services Inc

Sr. SDET Engineer

Missouri City, MO · On-site

$103K - $134K/yr

Positon : Sr. SDET Engineer Location : O'Fallon, MO Hybrid (Onsite 3 days/week) (local) Duration : 24 months contract Interview : 1st round virtual and second round would be in-person. Must haves:

Lorven Technologies

Sr. SDET - O Fallon, MO

Mcfall, MO · On-site

$44.75 - $57.50/hr

Title : Sr. SDET Position: Contract (W2)/ Fulltime Location: O'Fallon, MO Duration : 12 Months Key Skills and Experience: * Hands on Java/Rest API testing experience * Test automation, Ops gating ...

VRProIT

Java - SDET

Saint Louis, MO · On-site

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.

VRProIT

Java - SDET

Saint Louis, MO · On-site +1

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 ...

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 ...

MasterCard

Senior Software Development Engineer

O Fallon, MO · On-site +1

$114K - $151K/yr

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories ... Title and Summary Senior Software Development Engineer Overview The Senior Software Development ...

TriOptus LLC

Sr Software Development Engineer

MO · On-site

$114K - $151K/yr

Job Title: Sr. Software Development Engineer Location: O'fallon, MO Duration: 12+ months Primary ... in adherence with MasterCard standards, processes and best practices. • Participate on complex ...

InterSources Inc

QA Test Engineer

Chesterfield, MO · On-site

$40.75 - $55.75/hr

Responsibilities : • 3+ years in QA automation or SDET-type work (adjust by level); 1+ year exposure to AI/LLM or ML-driven features is a plus. • Strong test automation in Python and/or Java ...

Jobgether

$94K - $124K/yr

Our partner is looking for a Senior Software Development Engineer, Core Infrastructure based in ... In this role, you will design and build secure, scalable, and reliable backend systems that support ...

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Sr Software Development Engineer In Test information

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

AspectSr Software Development Engineer In TestSoftware Development Engineer In Test
Required CredentialsBachelor's/Master's in CS or related, experience in automation testingBachelor's in CS or related, focus on automation skills
Work EnvironmentDesigns and develops complex test frameworks, leads testing initiativesDevelops and maintains test scripts, executes testing
Employer & Industry UsageUsed in tech companies, especially in QA and testing teamsCommon in software development companies, focusing on testing automation

The main difference is that a Sr Software Development Engineer In Test typically has more experience, leads testing efforts, and designs complex testing frameworks, while a Software Development Engineer In Test primarily focuses on developing and executing test scripts. Both roles require strong automation skills and are vital in ensuring software quality, but the senior role involves more leadership and strategic testing responsibilities.

What are some common challenges faced by a Sr Software Development Engineer in Test when working on large-scale projects?

Sr Software Development Engineers in Test (SDETs) often encounter challenges such as managing complex test automation frameworks, ensuring comprehensive test coverage for rapidly evolving codebases, and coordinating with multiple development and QA teams. Balancing the need for speed in continuous integration pipelines with maintaining high-quality standards can also be demanding. Additionally, SDETs are frequently responsible for mentoring junior testers and advocating for best testing practices across cross-functional teams, which requires strong communication and leadership skills.

What is a Sr Software Development Engineer in Test?

A Sr Software Development Engineer In Test (Sr SDET) is a senior-level professional responsible for designing, developing, and maintaining automated test frameworks and tools to ensure the quality of software products. They work closely with developers and other QA team members to create robust testing strategies, identify defects, and improve the overall software development process. Sr SDETs have advanced programming skills, deep knowledge of test automation, and often mentor junior team members. Their goal is to enable efficient, reliable, and scalable automated testing throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a Sr Software Development Engineer in Test?

To thrive as a Sr Software Development Engineer In Test, you need advanced programming skills (such as Java, Python, or C#), deep understanding of software testing methodologies, and a bachelor’s or master’s degree in computer science or a related field. Expertise with automation frameworks (like Selenium or Cypress), CI/CD tools (Jenkins, Git), and test management systems is typically required, along with certifications such as ISTQB being beneficial. Exceptional problem-solving abilities, attention to detail, and strong collaboration and communication skills distinguish standout professionals in this role. These competencies ensure the delivery of high-quality, reliable software products through efficient test automation and seamless teamwork.
What are popular job titles related to Sr Software Development Engineer In Test jobs in Missouri? For Sr Software Development Engineer In Test jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Sr Software Development Engineer In Test jobs in Missouri look for? The top searched job categories for Sr Software Development Engineer In Test jobs in Missouri are:
Sr Software Development Engineer In Test jobs near you
Infographic showing various Sr Software Development Engineer In Test job openings in Missouri as of July 2026, with employment types broken down into 1% As Needed, 80% Full Time, 16% Part Time, and 3% Contract. Highlights an 89% Physical, 2% Hybrid, and 9% Remote job distribution.

Senior Software Engineer in Test (SDET) - Fraud Prevention

Innovcentric LLC

O Fallon, MO • On-site

$60/hr

Contractor

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Role : Senior Software Engineer in Test (SDET) - Fraud Prevention
O'Fallon, Missouri (On-site)| $60/hr C2C | Client: going with Prime Vendor | Exp:12+ yrs
Interview Mode: Face to Face (Final round)
Visa: No GC (LinkedIn URL, passport and visa copy required) 
JD:https://lnkd.in/gMmGJgVK
 
We are seeking a highly advanced and passionate Senior Software Engineer in Test (SDET) to play a critical role in shaping the quality, performance, and architecture of our enterprise-grade fraud prevention solutions.
All about you:
We are looking for a candidate with a deep well of experience and a proactive, leadership mindset.
•    12+ years of experience in software development/test engineering, including deep knowledge of Agile processes.
•    Proven experience designing and developing complex, multi-tier software solutions.
•    Hands-on expertise in UI test automation using frameworks like AngularJS.
•    Strong database skills with Oracle and advanced SQL scripting.
•    Experience integrating vendor and open-source products into a cohesive system.
•    Demonstrated ability to lead cross-functional teams, mentor peers, and guide less experienced developers.
•    A decisive problem-solver who can make decisions with incomplete information and whiteboard solutions using tools like Visio or PPT.
•    A strong plus: Professional experience in financial services, cards, payments, or a related field.
 
#Request:apply only if you meet all requirements and can provide the requested documents (please don't ask for RTR without sharing required details)
sengineer@innovcentric.com 
Thank You.