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Junior Software Developer Java Jobs in Saint Charles, MO

Sovereign Technologies

Junior C# Developer

Saint Louis, MO · On-site

$65K - $84K/yr

Company Description The individual in the Programmer Analyst role is responsible for using technical skills and programming experience to define and program solutions to problems and requests of ...

The Timberline Group

Java/J2EE Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

... software and architectural development activities to design JAVA applications. 2. Perform software analysis, programming, testing, debugging based on technical requirements. 3. Identify production ...

Zentek Infosoft Inc.

Java Engineer

O Fallon, MO · On-site

$48.50 - $66.50/hr

... Developer * Here is the JD: Java Engineer * An ideal candidate for this role would have extensive ... Modern Software Design Principles: Deep understanding of design principles like SOLID, DRY (Don't ...

TriOptus LLC

Java Developer - Consultant

Lake Saint Louis, MO · On-site

$48.25 - $62.50/hr

Contribute to all parts of the software's development including design, development, documentation ... Proficiency in multiple modern programming languages such as Java, Python, Ruby, Angular, Scala ...

Varsity Tutors

Java Tutor

Saint Louis, MO · Remote

$18 - $40/hr

Emphasizes clean code principles and test-driven development, connecting Java to web development, Android applications, and enterprise software engineering. * Curriculum Awareness & Adaptive ...

Futran Tech Solutions Pvt. Ltd.

Java engineer

O Fallon, MO · On-site

$60/hr

... Software Design Principles: Deep understanding of design principles like SOLID, DRY (Don't Repeat ... This person would fit well into a senior or lead developer role, where they can leverage their deep ...

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All JobsSoftware Developer Java JobsJunior Software Developer Java JobsJunior Software Developer Java Jobs in Saint Charles, MO

Junior Software Developer Java information

See Saint Charles, MO salary details

$57.4K

$100.6K

$151.6K

How much do junior software developer java jobs pay per year?

As of Jul 13, 2026, the average yearly pay for junior software developer java in Saint Charles, MO is $100,588.00, according to ZipRecruiter salary data. Most workers in this role earn between $71,100.00 and $100,300.00 per year, depending on experience, location, and employer.

What are some common challenges faced by Junior Software Developers working with Java, and how can they overcome them?

Junior Software Developers working with Java often encounter challenges such as understanding complex codebases, managing version control with tools like Git, and applying best practices for clean and efficient code. To overcome these obstacles, it's helpful to actively participate in code reviews, seek guidance from senior developers, and make use of online resources and documentation. Joining stand-up meetings and collaborating closely with teammates can also accelerate learning and help new developers adapt to the team's workflow.

What are the key skills and qualifications needed to thrive as a Junior Software Developer (Java), and why are they important?

To thrive as a Junior Software Developer (Java), you need a solid understanding of Java programming, algorithms, and object-oriented principles, often supported by a degree in computer science or related field. Familiarity with development tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and knowledge of build tools like Maven or Gradle is often required. Strong problem-solving abilities, willingness to learn, and effective communication skills help junior developers collaborate and adapt quickly. These skills are crucial for building reliable software, integrating smoothly into development teams, and growing within the role.

What is the difference between Junior Software Developer Java vs Junior Software Developer Python?

AspectJunior Software Developer JavaJunior Software Developer Python
Required CredentialsBachelor's in CS or related field, Java certifications (optional)Bachelor's in CS or related field, Python certifications (optional)
Work EnvironmentEnterprise applications, backend development, large-scale systemsData analysis, scripting, web development, AI/ML projects
Employer & Industry UsageFinancial services, enterprise software, telecomTech startups, data science firms, research institutions
Common Search & ComparisonYesYes

Both roles typically require a bachelor's degree in computer science or related fields. Java developers often work on enterprise-level applications in industries like finance and telecom, while Python developers focus on data analysis, scripting, and AI projects in startups and research. The choice depends on your career interests and industry focus.

What does a Junior Software Developer Java do?

A Junior Software Developer Java is an entry-level programmer who specializes in building, testing, and maintaining software applications using the Java programming language. They typically work under the supervision of senior developers and contribute to coding, debugging, and documentation. Their responsibilities often include fixing bugs, writing unit tests, and collaborating with team members to deliver functional software solutions. This role is ideal for individuals who have a basic understanding of Java and are eager to gain professional experience in software development.
What are popular job titles related to Junior Software Developer Java jobs in Saint Charles, MO? For Junior Software Developer Java jobs in Saint Charles, MO, the most frequently searched job titles are:
What job categories do people searching Junior Software Developer Java jobs in Saint Charles, MO look for? The top searched job categories for Junior Software Developer Java jobs in Saint Charles, MO are:
What cities near Saint Charles, MO are hiring for Junior Software Developer Java jobs? Cities near Saint Charles, MO with the most Junior Software Developer Java job openings:
Junior Software Developer Java jobs near you
Infographic showing various Junior Software Developer Java job openings in Saint Charles, MO as of July 2026, with employment types broken down into 81% Full Time, 8% Part Time, 1% Temporary, and 10% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $100,588 per year, or $48.4 per hour.
Software Developer | Military Veterans

Software Developer | Military Veterans

INflow Federal

Saint Louis, MO • On-site

Full-time

Re-posted 18 days ago

Job description

About INflow Federal - founded in 2013, INflow Federal is a mission-driven small business delivering cutting-edge solutions to the Department of War (DoW) and Joint Force operations across 20+ states. Our strength comes from our people - especially the Veterans who make up over 50% of our workforce. Through our Veteran Outreach Program and employee-first culture, we invest deeply in professional growth, well-being, and innovation. Known for our agility, transparency, and integrity, INflow combines real-world experience with emerging technologies like AI/ML to help our customers lead in a rapidly evolving defense landscape. We empower both our employees and mission partners to stay ahead - driving smarter, faster, and more secure outcomes.
INflow Federal is on the lookout for skilled transitioning military personnel and veterans who are passionate about leveraging their expertise in a new capacity within the government contracting sector. We offer an exceptional chance to progress your career as a Full Stack Software Engineer, allowing you to make a substantial contribution to the warfighter mission while expanding your professional horizon.
Established in 2013, INflow Federal is rooted in a culture that values its workforce above all, a philosophy that we believe is the cornerstone of our success. Our unwavering commitment to our team has consistently fueled our ability to deliver outstanding results for our clients. We take immense pride in our homegrown "Veteran Outreach Program," a testament to our dedication to empowering veterans. This initiative has been a key factor in ensuring that veterans constitute over half of our workforce, a distinction that underscores our adaptability, growth, and forward-looking stance in supporting mission-critical systems and operations.
As a Full Stack Software Engineer at INflow Federal, you will be instrumental in our mission to deliver state-of-the-art technological solutions to our DoD clients, playing a crucial role in the development and deployment of sophisticated software systems. Your expertise will contribute significantly to our strategic goals, facilitating the creation of robust, scalable, and innovative software solutions that enhance our operational capabilities and cybersecurity posture.
Here, your work is more than a job-it's a journey in innovation. With opportunities to work on high-impact projects, access to the latest technologies, and a culture that thrives on creativity and collaboration, INflow Federal is where your expertise can truly make a difference.
Related MOS Codes We're Seeking:
  • Army: 25B, 25C, 25F, 25L, 25N, 25Q, 25S, 25U, 25W, 25X, 94F
  • USMC (United States Marine Corps): 0600, 0631, 0633, 0639, 0651, 0639, 0681, 0699, 0630, 0605, 0601, 2800, 2813, 2847, 2862, 5900, 5939, 5948, 5970, 5974, 5993
  • USAF (United States Air Force): 1D, 1D7X1A, 1B4X1 - Cyber Warfare Operations, 3D0X2 - Cyber Systems Operations, 3D1X2 - Cyber Transport Systems, 3D1X7 - Cable and Antenna Systems
  • USN & USCG (United States Navy & United States Coast Guard): ET, ETN, ETV, ETR, Electronics Technician, IT, ITS, Information System Technician, IC, DS, Data Systems Technician

Various Responsibilities & Requirements:
  • Proficiency in Full Stack Development: Proficiency in front-end and back-end technologies, frameworks, and languages. Familiarity with HTML, CSS, JavaScript, and one or more back-end languages (e.g., Java, Python, Ruby).
  • Cloud Technologies: Knowledge of cloud services, deployment, and management within platforms such as AWS, Azure, or Google Cloud. Ability to leverage cloud capabilities to optimize software solutions.
  • DevOps Practices: Familiarity with continuous integration/continuous deployment (CI/CD) pipelines, automated testing, and deployment strategies to streamline development and enhance collaboration.
  • Version Control Proficiency: Experience with version control systems like Git, understanding branching, merging, and pull request workflows to maintain code quality and collaborative development.

Clearance Requirements :
  • TS/SCI (CI poly required to start)

Other Notes
  • Some travel may be required: Must have valid driver's license and transportation. This is subject to change at the direction of the customer.
  • If accommodation is needed with your application or the interview process for applicants with disabilities, please contact Human Resources at 703-594-8601.
  • Candidate must have the ability to lift up to 50 lbs.
  • Must have willingness to perform duties not listed in the job description as required by INflow and our customer.

Citizenship Requirements
* Please note that INflow Federal is a defense contractor. Pursuant to our government contracts, candidates must be US Citizens to be considered for employment.
Equal Opportunity Employer
Diversity and Inclusion
INflow provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.
This commitment applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, leaves of absence, compensation, and training. Job applicants and employees are evaluated solely on job-related qualifications and experience.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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