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Junior Application Developer Jobs in Missouri (NOW HIRING)

Junior Cartographer - TS/SCI Location: St. Louis, MO TS/SCI Security Clearance Wiser offers ... Citizen * Active Top-Secret/SCI security clearance at time of application and willingness to ...

As a Junior Poker Operations Specialist, you will join the Poker Room Management team and help ... By submitting your application, you acknowledge that Jobgether will process your personal data to ...

$77K - $95K/yr

The role also offers an opportunity to mentor junior and mid-level developers and influence ... By submitting your application, you acknowledge that Jobgether will process your personal data to ...

New

Front end Developer (Reactjs)

Springfield, MO · On-site

$94K - $110K/yr

... application performance across browsers and devices Work in Agile teams and follow Agile development methodologies Mentor junior developers and provide guidance on front-end best practices ...

Fronted Developer (React)

Springfield, MO · On-site

$94K - $110K/yr

... application performance across browsers and devices * Work in Agile teams and follow Agile development methodologies * Mentor junior developers and provide guidance on front-end best practices ...

... Engineering, Math or Information Systems from an accredited university or equivalent work experience in lieu of degree. A minimum of 2 years of relevant work experience with Java/J2EE application ...

... Engineering, Math or Information Systems from an accredited university or equivalent work experience in lieu of degree. A minimum of 2 years of relevant work experience with Java/J2EE application ...

Showing results 41-60

Junior Application Developer information

See Missouri salary details

$22.5K

$83.5K

$129K

How much do junior application developer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for junior application developer in Missouri is $83,459.00, according to ZipRecruiter salary data. Most workers in this role earn between $62,800.00 and $81,600.00 per year, depending on experience, location, and employer.

What does a junior application developer do?

A Junior Application Developer assists in designing, coding, and testing software applications under the supervision of senior developers. They typically work on writing simple code, fixing bugs, and learning the best practices of software development. Their role often involves collaborating with other team members, participating in code reviews, and continuously improving their programming skills. This position is ideal for individuals who are early in their software development careers and looking to gain hands-on experience in application development.

What are some common challenges faced by junior application developers when transitioning from academic projects to real-world applications?

Junior Application Developers often find that real-world projects involve more complex codebases, stricter deadlines, and frequent collaboration with cross-functional teams compared to academic assignments. They may also encounter challenges in understanding legacy code, adhering to industry best practices, and using version control systems like Git in a team environment. Seeking mentorship, asking questions, and participating in code reviews can help ease this transition and accelerate learning.

What are the key skills and qualifications needed to thrive as a junior application developer, and why are they important?

To thrive as a Junior Application Developer, you need a solid understanding of programming languages (such as Java, Python, or JavaScript), software development principles, and a relevant degree or equivalent experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and possibly certifications in specific technologies are often required. Strong problem-solving skills, willingness to learn, and effective communication set outstanding candidates apart. These skills and qualities are essential for delivering high-quality code, collaborating on development teams, and adapting to rapidly changing technical requirements.

How to get hired as a junior application developer?

To get hired as a junior application developer, candidates should have a solid understanding of programming languages such as Java, Python, or JavaScript, and demonstrate basic knowledge of software development processes. Building a portfolio of projects, gaining relevant internships, and obtaining certifications like Microsoft Technology Associate or Oracle Java Certification can improve employability. Strong problem-solving skills and familiarity with development tools like Git and IDEs are also important for entry-level roles.

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

The most popular types of Application Developer jobs in Missouri are:

What are popular job titles related to Junior Application Developer jobs in Missouri?

For Junior Application Developer jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Junior Application Developer jobs in Missouri look for?

The top searched job categories for Junior Application Developer jobs in Missouri are:

What cities in Missouri are hiring for Junior Application Developer jobs?

Cities in Missouri with the most Junior Application Developer job openings:

Infographic showing various Junior Application Developer job openings in Missouri as of August 2026, with employment types broken down into 75% Full Time, 19% Part Time, and 6% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $83,459 per year, or $40.1 per hour.

Senior Test Systems Engineer 112-204

IC-CAP LLC

Saint Louis, MO • On-site

Full-time

Re-posted 10 days ago


Job description

Senior-level Test Systems Engineers assist in leading Application, System and Integration Testing teams performing test and evaluation across the National System of Geospatial-intelligence (NSG), Allied System of Geospatial-intelligence (ASG) and Federal Agencies to ensure timely and accurate GEOINT.
Duties may include:
  • Guides Mid-level and Junior-level system engineers performing test and evaluation across the National System of Geospatial-intelligence (NSG), Allied System of Geospatial-intelligence (ASG) and Federal Agencies.
  • Performs testing of applications and application programming interfaces (APIs) in DevOps pipelines utilizing quality assurance measures established by the government and industry best practices.
  • Performs independent integration testing on the system software or hardware to determine the systems compliance with specified requirements.
  • Plans and executes manual tests, and automated test scripts using scripting and programming languages.
  • Supports technical investigations for defects discovered during test activities.

Education and Experience
Required:
  • Bachelors degree or higher in Engineering, Computer Science, Information Technology, Management Information Systems, or related STEM degree program, or 12+ years of experience as a Test Systems Engineer.
  • 12+ years of experience with test management and defect tracking tools.
  • Experience with three or more of the following; JMeterand, Jenkins, Docker, Postman, Swagger, Nexus, Apigee or GitHub/GitLab (or equivalent software packages), Java, Bash, Curl, XML, JSON, SQL, Python, Javascript, and AWS and C2S.
  • Experience with traditional, Agile, and DevOps development practices and associated testing strategies.

Desired:
  • Masters degree in Computer Science, Information Technology, Management Information Systems, or related STEM degree program.
  • Working knowledge of Model Based Systems Engineering, processes, tools and languages.
  • Working knowledge of Software Development Frameworks.

Security Clearance:
  • Active TS/SCI clearance and the willingness to sit for a CI polygraph, if needed

IC-CAP provides equal employment opportunities (EEO) to all applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status.