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Junior Testing Jobs in Missouri (NOW HIRING)

Stellar IT Group

Data Quality Analyst

Saint Louis, MO · On-site

... lead testing and validation efforts across complex data environments, ensuring the accuracy ... As senior contributors, you will define quality strategies, mentor junior analysts, and collaborate ...

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... junior team members, and performing code reviews. This is a vital role responsible for planning ... testing, deployment, and monitoring Architecture & Design - Participate in defining software ...

MasterCard

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... junior team members, and performing code reviews. This is a vital role responsible for planning ... testing, deployment, and monitoring Architecture & Design - Participate in defining software ...

US Department of the Air Force

MO

$36K/yr

Students in their junior year of a full-time baccalaureate program will be able to apply for a ... Other Significant Facts: 1.) Some positions may be deemed drug testing designated positions and ...

Highbrow LLC

Golang Developer

Kansas City, MO · On-site

$95 - $115/hr

Experience using system monitoring tools and automated testing frameworks. * Performing peer reviews and development optimization, especially mentoring more junior team members. * Core Skills include ...

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Junior Testing information

What is a junior testing role?

Junior Testing roles are entry-level positions in the software quality assurance field. Individuals in these roles are responsible for executing test cases, identifying bugs, and reporting issues to ensure the software meets specified requirements. They work under the guidance of more experienced testers or QA engineers, learning about different testing methodologies and tools. Junior testers help improve product quality while gaining valuable industry experience.

What are the key skills and qualifications needed to thrive as a junior testing professional?

To thrive as a Junior Testing professional, you need a solid understanding of software testing concepts, attention to detail, and a degree in computer science or a related field. Familiarity with test management tools (like JIRA, TestRail), basic scripting or automation frameworks, and knowledge of QA methodologies are typically required. Strong analytical thinking, communication skills, and the ability to collaborate with development teams help you stand out. These skills ensure accurate bug identification, effective teamwork, and the delivery of high-quality software products.

What are some common challenges faced by junior testers during their first year on the job?

Junior Testers often encounter challenges such as understanding complex software requirements, adapting to various testing tools and methodologies, and learning to identify and report bugs effectively. They may also need to quickly familiarize themselves with the team's workflow and communication style, as well as manage tight deadlines during release cycles. With guidance from more experienced testers and ongoing training, these challenges typically become manageable and are valuable learning opportunities for career growth.

What is the difference between Junior Testing vs QA Tester?

AspectJunior TestingQA Tester
Required CredentialsHigh school diploma or equivalent; basic understanding of testing conceptsSimilar; often includes certifications like ISTQB Foundation
Work EnvironmentEntry-level, often in software development teamsSame; typically within software or product development teams
Employer & Industry UsageCommon in IT and software companiesWidely used across tech, finance, healthcare industries
Search & Comparison IntentYes; often compared for entry-level rolesYes; related but more comprehensive testing responsibilities

Junior Testing and QA Tester roles share similar credentials, work environments, and industry usage. The main difference lies in scope: Junior Testing is often an entry-level position focusing on basic testing tasks, while QA Testers may have broader responsibilities including test planning and process improvement. Both roles are essential in ensuring software quality and are frequently compared by job seekers entering the testing field.

How to become a junior testing?

To become a junior tester, candidates typically need a basic understanding of software testing principles, familiarity with testing tools like Selenium or JIRA, and a relevant educational background such as a diploma or degree in computer science or related fields. Entry-level positions often require strong attention to detail, good communication skills, and the ability to learn quickly on the job.

What are the most commonly searched types of Testing jobs in Missouri?

The most popular types of Testing jobs in Missouri are:

What cities in Missouri are hiring for Junior Testing jobs?

Cities in Missouri with the most Junior Testing job openings:

Junior Testing jobs near you
Infographic showing various Junior Testing job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 12% Part Time, 4% Contract, and 1% Nights. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution.

Data Quality Analyst

Stellar IT Group

Saint Louis, MO • On-site

Full-time

Re-posted 8 hours ago

Job description

Overview:
Data Quality Analyst
Location: Remote
Duration: 3-6+ months (possible extension)
Position Summary
We are seeking experienced Data Quality Analysts to join Medica's IT team. In this role, you will lead testing and validation efforts across complex data environments, ensuring the accuracy, integrity, and reliability of outbound data feeds, regulatory submissions, and vendor deliverables. As senior contributors, you will define quality strategies, mentor junior analysts, and collaborate with engineering, analytics, and business stakeholders to deliver high-quality solutions.
Key Responsibilities
  • Design and execute test strategies, plans, and validation frameworks for data pipelines and applications.
  • Lead functional, regression, and data validation testing to ensure compliance with business and regulatory requirements.
  • Validate inbound/outbound data feeds, including regulatory submissions, vendor integrations, and reporting outputs.
  • Perform advanced data reconciliation and root cause analysis across multiple systems.
  • Identify risks and quality gaps; drive mitigation strategies proactively.
  • Partner with stakeholders to define acceptance criteria and ensure release readiness.
  • Maintain documentation and traceability to support audits, compliance, and internal controls.
Required Qualifications
  • Bachelor's degree in Information Systems, Computer Science, Analytics, or related field.
  • 5+ years of experience in QA, software testing, or data validation.
  • Advanced SQL skills with experience handling large, complex datasets.
  • Strong background in testing data pipelines, ETL processes, and data platforms.
  • Excellent analytical, problem-solving, and communication skills.
  • Experience working in Agile or iterative delivery environments.
Preferred Qualifications
  • Experience in healthcare or health plan data (claims, enrollment, HEDIS/Stars).
  • Familiarity with QA automation tools and frameworks.
  • Exposure to cloud-based data platforms or modern data architectures.

Skills:
QA,SQL,ETL,HEDIS,HEALTHCARE

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