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Junior Software Developer Java Jobs in Florissant, MO

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 ...

Senior Java Developer

Saint Louis, MO

$55.75 - $71/hr

Project: working on encryption and decryption software for the switching network which is how they ... Technical requirements: -Java - api development -spring boot framework Soft skill requirements ...

... 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.

... 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.

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Company Description We specialize in Staffing, Consulting, Software Development, and Training along ... Unigroup is in need of a senior Java developer. They will be part of a 10+ person team developing ...

Java Developer- St Louis

Saint Louis, MO

$49.50 - $64.25/hr

Position- Java Developer Location- St Louis, MO Duration- Contract Rate- DOE • Strong Java developer with very good understanding of micro services. • Grasp of software engineering skills in ...

Sr. Java Developer

Saint Louis, MO · On-site

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Experience building software in a continuous integration environment like Jenkins or any other ...

Sr. Java Developer

Saint Louis, MO · On-site

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Experience building software in a continuous integration environment like Jenkins or any other ...

Sr. Java Developer

Saint Louis, MO · On-site

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Experience building software in a continuous integration environment like Jenkins or any other ...

Senior Java Engineer

Saint Louis, MO

$55.75 - $71/hr

Overview We are looking for a highly skilled Senior Java Engineer to design, develop, and maintain ... DevOps, QA, and product to deliver high-quality software solutions * Participate in code reviews ...

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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 Jun 19, 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 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 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:
Infographic showing various Junior Software Developer Java job openings in Florissant, MO as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $98,520 per year, or $47.4 per hour.
Lead Software Development Engineer - Java

Lead Software Development Engineer - Java

R2 Technologies Corporation

Saint Louis, MO • On-site

Full-time

Posted 15 days ago


Job description

Overview:
Client: MasterCard
Location: Stlouis, MO
Technologies:
Java, DXP/Angular, Oracle, Cloud Development, Microservices
(1) Lead Software Development Engineer:
• Experience leading a development team
• Full stack engineering experience in a production environment • Expert programming skills in Java, Spring and reactive programming • Proficiency in Software Development Best Practices (ATDD/BDD, Unit tests) • Experience with modern Web, Java and Java EE platforms including Spring framework & components, Messaging, NATS, Kafka, Web & Application Server ( Server App Design & Technology Skills ), Web Services, REST ( Services Design & Technology Skills ).
Skills:
Java,full stack,sdlc