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Senior Java Jobs in Missouri (NOW HIRING)

Sr. Java Full Stack Developer

O Fallon, MO ยท 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 ...

Java Engineer

O Fallon, MO ยท 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.

Java Engineer

Missouri City, MO ยท 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:

Java Developer

Lake Saint Louis, MO ยท 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 ...

Java/J2EE developer Sr.

Saint Louis, MO ยท On-site

$49.50 - $64.25/hr

Java J2EE Developer in St.Louis,MO Duration: 2-3 Years Contract Need GC or USC only Communication: Present ideas assertively, aggressively and not be easily ignored. * Be articulate, persuasive and ...

Backend Java Engineer W/IBM MQ Exp

O Fallon, MO ยท On-site

$47.25 - $61.25/hr

Senior Software Development Engineer (Specialty) - Level 7 Location: O'Fallon, MO/Hybrid Duration: 12 months * Java * Proficient in core java * Spring boot preferred. * Messaging services * MQ's or ...

Java/J2EE developer Sr.

Saint Louis, MO ยท On-site

$49.50 - $64.25/hr

Java J2EE Developer in St.Louis,MO Duration: 2-3 Years Contract Need GC or USC only Communication: Present ideas assertively, aggressively and not be easily ignored. * Be articulate, persuasive and ...

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Senior Java information

See Missouri salary details

$10

$58

$80

How much do senior java jobs pay per hour?

As of Jul 9, 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 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.

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 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 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:
Infographic showing various Senior Java job openings in Missouri as of July 2026, with employment types broken down into 1% Internship, 87% Full Time, 4% Part Time, and 8% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $122,580 per year, or $58.9 per hour.
Sr. Java Full Stack Developer

Sr. Java Full Stack Developer

Palnar

O Fallon, MO โ€ข On-site

$49 - $63.25/hr

Full-time

Re-posted 16 days ago


Job description

Successfully designed and developed externally facing web applications utilizing modern single page application frameworks. Angular and React JS experience preferred.
Deep understanding of JavaScript and it's benefits and quirks.
Proven experience building ADA and WCAG compliant web applications.
Successfully designed and developed cloud ready REST APIs utilizing industry best practices.
Deep understanding of Cloud Architecture and it's benefits and quirks.
Deep understanding of Messaging frameworks and event-based architecture and it's benefits and quirks.
Possess an understanding of multi-tier web development; including knowledge of server-side technologies and databases.
Understanding of web application optimizations such as progressive web apps, web workers, browser repaints and reflows, performance and memory optimizations, debugging memory leaks, caching, flame graphs.
Experience and knowledge of authentication and authorization workflows using concepts like JWT.
Have proficiency in Quality engineering and experience working with Quality leads to define processes and technologies.
Passion for improving code quality using approaches such as unit and end to end testing.
Deep knowledge of Continuous Integration and Delivery and toolsets that provide this ability.
Understanding of agile principles and methodologies and experience implementing and adapting them to fit the team's needs.
Use and understand Git based source control systems.
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
SQL / Hibernate / JPA
Data Structure & Algorithms / Cloud Principles
UI Skills
Demonstrated skills using Angular 13+
Demonstrated skills making UI ADA, WCAG and Responsive Web compliant
Unit test framework using Jasmine, Karma