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Senior Java Jobs in Missouri (NOW HIRING)

TriOptus LLC

Senior Software Engineer - Java Developer

MO · On-site

$53.50 - $68.25/hr

Senior Software Engineer (Java Developer) Location: O'fallon, Missouri Duration: 24 months Experiece: 7+ years Skills summary: • Advanced in with Linux and Java development (JDK 1.7 or greater ...

Atria Group LLC

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Unigroup is in need of a senior Java developer. They will be part of a 10+ person team developing on a large rewrite of their enterprise system along with smaller projects as well. This individual ...

Palnar

Sr. Java Full Stack Developer

O Fallon, MO · On-site

$49 - $63.25/hr

What are your top 3 required technical skills We are looking for a developer who is strong in backend development and has basic skills to perform UI development Backend Skills Java 17 Spring Boot 3.x ...

Zentek Infosoft Inc.

Java Engineer

O Fallon, MO · On-site

$48.50 - $66.50/hr

This person would fit well into a senior or lead developer role, where they can leverage their deep Java expertise, cloud knowledge, and problem-solving skills to drive impactful projects.

R2 Technologies Corporation

Java Engineer

Missouri City, MO · On-site

$48.25 - $66.25/hr

This person would fit well into a senior or lead developer role, where they can leverage their deep Java expertise, cloud knowledge, and problem-solving skills to drive impactful projects Skills:

Tanisha Systems

Java Software Developer

Saint Louis, MO · Hybrid

$50 - $55/hr

Java Software Developer III 1st Preference - St Louis - 4 days in the office 2nd Preference- Denver ... senior engineers Partner with product and architecture teams to translate business needs into ...

Tanisha Systems

Java Software Developer

Saint Louis, MO · Hybrid

$50 - $55/hr

Java Software Developer III 1st Preference - St Louis - 4 days in the office 2nd Preference- Denver ... senior engineers Partner with product and architecture teams to translate business needs into ...

TriOptus LLC

Java Developer

Lake Saint Louis, MO · On-site

$48.25 - $62.50/hr

Java Developer Job Location: Lake St. Louis Duration: 12+ months Mode of Interview: In-person only ... Follow MasterCard Quality Assurance and Quality Control processes. * Assist Senior Team members in ...

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Senior Java information

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How much do senior java jobs pay per hour?

As of May 31, 2026, the average hourly pay for senior java in Missouri is $58.93, according to ZipRecruiter salary data. Most workers in this role earn between $51.63 and $65.82 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Java Developer, and why are they important?

To thrive as a Senior Java Developer, you need deep expertise in Java programming, object-oriented design, and a strong grasp of software development principles, typically backed by a computer science degree or relevant experience. Experience with tools like Spring Framework, Hibernate, Maven, Git, and proficiency in using integrated development environments (IDEs) such as IntelliJ IDEA or Eclipse is essential, and certifications like Oracle Certified Professional (OCP) can be beneficial. Outstanding problem-solving skills, effective communication, and the ability to mentor junior developers set top performers apart. These skills ensure the delivery of robust, maintainable code and foster high-performing teams capable of tackling complex projects.

How do Senior Java Developers typically collaborate with cross-functional teams on large-scale projects?

Senior Java Developers often work closely with product managers, QA engineers, UI/UX designers, and DevOps teams to ensure successful project delivery. They participate in architectural discussions, provide technical guidance, and help translate business requirements into scalable software solutions. Regular communication and agile ceremonies like sprint planning and code reviews are common, allowing them to align development efforts with overall business goals and quickly address challenges. This collaborative environment helps Senior Java Developers mentor junior team members and foster a culture of continuous improvement.

What does a Senior Java Developer do?

A Senior Java Developer is responsible for designing, developing, and maintaining complex Java-based applications. They often lead development teams, make architectural decisions, and ensure code quality through best practices. Their role also includes mentoring junior developers, participating in code reviews, and collaborating with stakeholders to deliver robust software solutions. Senior Java Developers are expected to have extensive experience with Java frameworks, databases, and deployment processes.

Is Java still in demand in 2026?

Java remains a highly in-demand skill for senior Java developers due to its widespread use in enterprise applications, Android development, and backend systems. The language's stability, extensive libraries, and continued updates ensure its relevance in the software industry through 2026 and beyond.

What is the difference between Senior Java vs Java Developer?

AspectSenior JavaJava Developer
Required CredentialsBachelor's degree, extensive Java experience, possibly certifications like Oracle Certified ProfessionalBachelor's degree, Java knowledge, entry to mid-level certifications
Work EnvironmentTeam lead, project architect, involved in design and mentoringDevelopment team member, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, healthcare, enterprise solutionsStartups, tech firms, software agencies, enterprise sectors

Senior Java professionals typically have more experience, leadership responsibilities, and advanced certifications compared to Java Developers. They often lead projects and mentor junior staff, while Java Developers focus on coding and implementation. Both roles are vital in software development, but the senior position involves greater strategic input and oversight.

What are the most commonly searched types of Java jobs in Missouri? The most popular types of Java jobs in Missouri are:
What cities in Missouri are hiring for Senior Java jobs? Cities in Missouri with the most Senior Java job openings:
Senior Java jobs near you
Infographic showing various Senior Java job openings in Missouri as of May 2026, with employment types broken down into 95% Full Time, 4% Part Time, and 1% Contract. Highlights an 67% Physical, 4% Hybrid, and 29% Remote job distribution, with an average salary of $122,580 per year, or $58.9 per hour.
Senior Software Engineer - Java Developer

Senior Software Engineer - Java Developer

TriOptus LLC

On-site

$53.50 - $68.25/hr

Full-time

Posted 27 days ago

Job description

Job Title: Senior Software Engineer (Java Developer)
Location: O'fallon, Missouri
Duration: 24 months
Experiece: 7+ years
Skills summary:
• Advanced in with Linux and Java development (JDK 1.7 or greater), design patterns, threading, unit testing, debugging.
• Good understanding of agile software development processes, ideally a knowledge of SAFe
• Competent with one or more of the following: JBoss, Tomcat, shell scripting, JSON, multi-threading, Maven, Oracle PL/SQL
Top Skills:
  • Java
  • JBoss
  • Tomcat
  • Maven

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