Mid-Level Test Engineer
$87K - $157K/yr
Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
$87K - $157K/yr
Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
$87K - $157K/yr
Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Saint Louis, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Saint Louis, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Saint Louis, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Saint Louis, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Bridgeton, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Bridgeton, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Ballwin, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Ballwin, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Earth City, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Earth City, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Arnold, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Arnold, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Fenton, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Fenton, MO · On-site
$87K - $157K/yr
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
Saint Louis, MO · On-site
$117K - $152K/yr
Backend Lead (Java Microservices + GCP) Location : Spingfield, MO / Dallas, TX / Chicago, IL / New ... Mentor and guide junior and mid-level engineers across full-stack development. Document "as-is" and ...
Quick apply
Saint Louis, MO · On-site
$117K - $152K/yr
Backend Lead (Java Microservices + GCP) Location : Spingfield, MO / Dallas, TX / Chicago, IL / New ... Mentor and guide junior and mid-level engineers across full-stack development. Document "as-is" and ...
Saint Louis, MO · On-site +1
Developer Client is one of the fastest growing payment processing companies in the country.This year they will process $14 billion in annual transaction volume for 45,000 merchants. Our team is a ...
Saint Louis, MO · On-site +1
Developer Client is one of the fastest growing payment processing companies in the country.This year they will process $14 billion in annual transaction volume for 45,000 merchants. Our team is a ...
Saint Louis, MO · Remote
$18 - $40/hr
... engineering. * Curriculum Awareness & Adaptive Instruction: Familiar with Java curricula including AP Computer Science A and college-level courses, and common challenges such as understanding ...
Saint Louis, MO · Remote
$18 - $40/hr
... engineering. * Curriculum Awareness & Adaptive Instruction: Familiar with Java curricula including AP Computer Science A and college-level courses, and common challenges such as understanding ...
NET Developer to join our team in St. Louis, MO. You will have the opportunity to utilize a wide ... Mid-Tier Financial Transaction System Development experience a plus * Kiosk Development experience ...
NET Developer to join our team in St. Louis, MO. You will have the opportunity to utilize a wide ... Mid-Tier Financial Transaction System Development experience a plus * Kiosk Development experience ...
$150K - $275K/yr
AWS / GCP / Azure (environment-dependent) DevOps (Exposure Level) * Git, Jenkins (CI/CD) Languages ... Strong hands-on experience with: o Apache Spark or Enterprise Java Developer o Python (PySpark) o ...
$150K - $275K/yr
AWS / GCP / Azure (environment-dependent) DevOps (Exposure Level) * Git, Jenkins (CI/CD) Languages ... Strong hands-on experience with: o Apache Spark or Enterprise Java Developer o Python (PySpark) o ...
... Mid-Level Geotechnical Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level. Shannon & Wilson is an Equal Opportunity Employer Shannon & Wilson ...
... Mid-Level Geotechnical Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level. Shannon & Wilson is an Equal Opportunity Employer Shannon & Wilson ...
... Mid-Level Geotechnical Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level. Shannon & Wilson is an Equal Opportunity Employer Shannon & Wilson ...
... Mid-Level Geotechnical Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level. Shannon & Wilson is an Equal Opportunity Employer Shannon & Wilson ...
Saint Louis, MO · On-site
$150K - $275K/yr
AWS / GCP / Azure (environment-dependent) DevOps (Exposure Level) * Git, Jenkins (CI/CD) Languages ... Strong hands-on experience with: o Apache Spark or Enterprise Java Developer o Python (PySpark) o ...
Saint Louis, MO · On-site
$150K - $275K/yr
AWS / GCP / Azure (environment-dependent) DevOps (Exposure Level) * Git, Jenkins (CI/CD) Languages ... Strong hands-on experience with: o Apache Spark or Enterprise Java Developer o Python (PySpark) o ...
... Mid-Level Geotechnical Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level. Shannon & Wilson is an Equal Opportunity Employer Shannon & Wilson ...
... Mid-Level Geotechnical Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level. Shannon & Wilson is an Equal Opportunity Employer Shannon & Wilson ...
... Mid-Level Geotechnical Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level. Shannon & Wilson is an Equal Opportunity Employer Shannon & Wilson ...
... Mid-Level Geotechnical Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level. Shannon & Wilson is an Equal Opportunity Employer Shannon & Wilson ...
O Fallon, MO · Hybrid
$116K - $153K/yr
Mentor junior and mid-level engineers, share technical knowledge, and contribute to a culture of ... Strong hands-on experience with Java and modern Java development practices, with a deep ...
O Fallon, MO · Hybrid
$116K - $153K/yr
Mentor junior and mid-level engineers, share technical knowledge, and contribute to a culture of ... Strong hands-on experience with Java and modern Java development practices, with a deep ...
Saint Louis, MO · On-site
$49.50 - $64.25/hr
Programmer Analyst Location: St. Louis, MO Duration: Long Term Required Skills/Experience: * Deep ... Act as first level responder and point of contact for all issues impacting the OMS systems. The ...
Saint Louis, MO · On-site
$49.50 - $64.25/hr
Programmer Analyst Location: St. Louis, MO Duration: Long Term Required Skills/Experience: * Deep ... Act as first level responder and point of contact for all issues impacting the OMS systems. The ...
$38.90 - $41.29
4% of jobs
$41.29 - $43.67
4% of jobs
$43.67 - $46.06
7% of jobs
$47.45 is the 25th percentile. Wages below this are outliers.
$46.06 - $48.44
16% of jobs
$48.44 - $50.83
13% of jobs
$50.83 - $53.21
5% of jobs
The median wage is $53.45 / hr.
$53.21 - $55.60
5% of jobs
$55.60 - $57.98
5% of jobs
$57.98 - $60.37
8% of jobs
$61.30 is the 75th percentile. Wages above this are outliers.
$60.37 - $62.75
17% of jobs
$62.75 - $65.14
15% of jobs
$38
$54
$65
A Mid Level Java Developer is responsible for designing, developing, and maintaining Java-based applications. They typically have 2-5 years of experience and work on coding, debugging, and optimizing software solutions. They collaborate with teams, follow best coding practices, and may mentor junior developers. Their role involves understanding project requirements, integrating APIs, and ensuring application performance. Mid Level Java Developers contribute to both backend and frontend development, depending on the project needs.
Successful Mid Level Java Developers possess a solid understanding of Java programming, object-oriented design, and commonly used frameworks such as Spring or Hibernate, typically backed by a relevant degree and professional experience. Familiarity with tools like Git, Maven, popular IDEs (e.g., IntelliJ IDEA or Eclipse), and certifications like Oracle Certified Professional Java Programmer (OCPJP) are advantageous. Strong collaboration, problem-solving abilities, and effective communication skills help developers work efficiently within agile teams and cross-functional projects. Mastering both technical and soft skills ensures smooth project delivery, maintainable code quality, and productive teamwork in dynamic software development environments.
As a Mid Level Java Developer, your typical workday often involves writing and testing Java code, troubleshooting existing applications, and participating in code reviews. You'll collaborate closely with other developers, QA engineers, and sometimes product managers in agile sprints to ensure features are delivered according to requirements. Daily stand-up meetings are common, as is the use of tools like Jira for tracking tasks. You may also spend time learning new frameworks or best practices, which helps with both personal growth and contributing to more efficient software solutions.
The most popular types of Java Developer jobs in Pacific, MO are:
For Mid Level Java Developer jobs in Pacific, MO, the most frequently searched job titles are:
Cities near Pacific, MO with the most Mid Level Java Developer job openings:

Saint Louis, MO
$87K - $157K/yr
Full-time
Re-posted 20 days ago
8.3
Based on 153 frontline employees who took The Breakroom Quiz
82nd of 501 rated business services
Job Description:
Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions.
If you're energized by solving complex technical challenges, championing quality throughout the software development lifecycle, and driving continuous improvement in an Agile environment, we'd like to hear from you.
As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure, and high-performing software solutions. You'll work as an integral member of a cross-functional Agile Scrum Team, developing and executing comprehensive test strategies that support rapid, iterative delivery while maintaining exceptional quality standards.
This role is ideal for someone who thrives in a collaborative DevSecOps environment and enjoys automating testing, and improving processes.
Position may be performed in the following locations below. Please note Gaithersburg, MD is the program's primary work location.
Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.
Primary Responsibilities:
Basic Qualifications:
Preferred Qualifications:
#Chinook
#NSBA
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
Original Posting:July 21, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
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At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.
It services
10,000+ Employees
Reston, VA, US