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Junior Software Developer Java Jobs in Florissant, MO

w3r Consulting

Senior Software Engineer (Java)

O Fallon, MO · On-site

$116K - $153K/yr

Java 8+, J2EE, Spring, Hibernate * Angular/React front-end development * REST/SOAP APIs and ... Cloud-Native Architecture & DevOps * Cloud-Native / AWS or Other Cloud Platforms * CI/CD and ...

DCS Corp

Senior Level Software Developer

Saint Louis, MO

$53 - $70/hr

We are seeking a Software Engineer to support our client's intelligence analysis products and ... Java, JavaScript or Python enterprise application development. Web services architecture, design ...

Ports North

Senior Software Engineer -Java

O Fallon, MO · On-site

$82.66 - $110.21/hr

Ensure software designs align with Mastercard's Enterprise Architecture and leverage enterprise ... Title Sr Java Developer Location O'Fallon, MO Client Industry Finance Compensation $60-80/hr #J ...

Wipro Technologies

Software DEVELOPER

O Fallon, MO · On-site

$60 - $135/hr

We are seeking a highly skilled Java Full Stack Developer with strong experience in building enterprise-grade, cloud-native applications. The ideal candidate should have hands-on expertise in Java ...

Apex Informatics

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

St Louis, MO * 10+ years of hands-on software engineering experience * Excellent hands-on experience in Java * Experience in developing REST services. * Experience in unit test frameworks. * Ability ...

Eliassen Group

Senior Software Developer

Saint Louis, MO · On-site

$100 - $125/hr

Louis, MO Our client seeks a Senior Software Developer to support modernization and maintenance of ... The role requires full-stack development across Java/Spring Boot services and Angular/TypeScript ...

Eliassen Group

Senior Software Developer

Saint Louis, MO · On-site

$100 - $125/hr

Louis, MO Our client seeks a Senior Software Developer to support modernization and maintenance of ... The role requires full-stack development across Java/Spring Boot services and Angular/TypeScript ...

The Timberline Group

Senior Software Developer

Saint Louis, MO · On-site +1

$53 - $70/hr

Senior Software Developer(s) to design custom software solutions based on client requirements. This ... with Java services and an Angular user interface. Individuals will apply advanced theoretical ...

AG Technologies

Junior JAVA Devloper

Chesterfield, MO

$300/wk

... engineering, interfacing, integration of hardware and software systems to include an understanding ... Experience in Java development This position requires a TS/SCI clearance with a polygraph.

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All JobsSoftware Developer Java JobsJunior Software Developer Java JobsJunior Software Developer Java Jobs in Florissant, MO

Junior Software Developer Java information

See Florissant, MO salary details

$56.3K

$98.5K

$148.5K

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

As of Aug 22, 2026, the average yearly pay for junior software developer java in Florissant, MO is $98,520.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,600.00 and $98,200.00 per year, depending on experience, location, and employer.

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 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 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 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 are popular job titles related to Junior Software Developer Java jobs in Florissant, MO?

For Junior Software Developer Java jobs in Florissant, MO, the most frequently searched job titles are:

What job categories do people searching Junior Software Developer Java jobs in Florissant, MO look for?

The top searched job categories for Junior Software Developer Java jobs in Florissant, MO are:

What cities near Florissant, MO are hiring for Junior Software Developer Java jobs?

Cities near Florissant, 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 Florissant, MO as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $98,520 per year, or $47.4 per hour.

Software Engineer

(EDO) Entertainment Data Oracle, Inc.

Saint Louis, MO • Hybrid

Full-time

Medical, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Job description

Freedom Technology Solutions Group is seeking a Software Engineer to support our client's intelligence analysis products and capabilities. This position involves providing software development capabilities to enhance existing and emerging client capabilities, including design and development, modernization of existing applications and services, and operations and sustainment. The role focuses on driving the client's adaptation of higher levels of automation and operational efficiency through agile development methodologies, rapid prototyping, and modern technology stacks. The Junior Software Developer applies expertise to multiple development assignments. This role requires originality in developing solutions and provides latitude in designing methodologies and approaches. Responsibilities Build and maintain secure, automated DevSecOps pipelines for CI/CD. Lead containerized solution deployments across hybrid and cloud (AWS) environments. Implement and optimize geospatial data processing and API integrations. Troubleshoot, debug, and improve system performance. Review code contributions. Contribute to system architecture discussions and recommend improvements. Provide input on deliverables, schedules, and performance metrics. Participate in rapid prototyping to quickly iterate and improve solutions. Utilize modern technology stacks to meet client needs. Collaborate with cross-functional teams to deliver high-quality software solutions. Key Technologies AWS Services GitLab Apache Spark, Glue, and other ETL processes/procedures Data Types: Structured and Unstructured, Parquet, JSON, XML, etc. Required Qualifications Active TS/SCI clearance (eligible for CI Poly). 0-3 years software development experience. Experience with DevSecOps pipelines, Agile methodologies, and CI/CD tools (e.g., GitLab). Hands‐on experience with AWS services (Lambda, ECS, S3, RDS, etc.). Skilled in containerization technologies (Docker, Kubernetes, OpenShift). Experience with geospatial data frameworks and APIs (e.g., GeoServer, PostGIS, ArcGIS). Using GitLab for code source repository and using GitLab CI/CD. What's in It for You? Flexible work environment. Team mentality – work with friendly, like‐minded professionals. Work with innovative, cutting‐edge technologies. Enjoy extremely competitive compensation and benefits. Work‐life balance you can count on. Opportunities to grow and advance your career on our dime. Benefits You Get with Freedom Amazing benefits including matching 401(k), fully paid medical, and more. Generous paid time off – including paid site closure days. Competitive salary offerings. Paid training and tuition reimbursement. Fully paid life and disability insurance. Company-sponsored events (game nights, holiday party, summer party, happy hours). Interested in learning more about Freedom and our culture? Contact us today! We're constantly hosting hiring events in our office and elsewhere to help you get a sense of what life is like at Freedom before joining the team. Accessibility : If you need an accommodation as part of the employment process, please contact Human Resources at Phone: 410-290-9035 As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability, or veteran status. If you want to view the Pay Transparency Policy Statement, please click the link: English #J-18808-Ljbffr

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