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Sr Java Developer Jobs in Missouri (NOW HIRING)

Auritas

Java Lead Backend Developer

Saint Louis, MO · On-site

$120K/hr

* Strong Java developer with very good understanding of micro services * Develop and consume APIs using HTTP/Rest. * Skills on at least one major JS library /frame work. * Exposure to relational/non ...

1 point system

Java Developer

O Fallon, MO · On-site

$47.75 - $61.75/hr

The Sr. Software Engineer opportunity we have in St. Louis, MO. All candidates will be required to take a Glider exam , which is on recorded video and may be reviewed by the client , prior to ...

Omni Inclusive

Java Backend Developer

Saint Louis, MO · On-site

$49 - $63.75/hr

Senior Software Engineer We are specifically looking for Senior Software Engineers who possess expertise in Java, J2EE, Spring Boot, JPA, Axon, Kafka, and E2E Support Skill - Last Used - Experience ...

New

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO · 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 ...

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO

$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 ...

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO · 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 ...

Veracity

Java Engineer

O Fallon, MO · On-site

$48.50 - $66.50/hr

Java Engineer Location: Onsite - 5 Days/Week (O'Fallon, Missouri or NYC, NY) Type: Full-Time ... This is a highly technical role ideal for senior developers or leads passionate about solving ...

Omni Inclusive

Jr. Java Backend Developer

Saint Louis, MO · On-site

$49 - $63.75/hr

Yes/No Springboot Microservices Design patterns • We are specifically looking for Senior Software Engineers who possess expertise in Java, J2EE, Spring Boot, JPA, Axon, Kafka, and E2E Support

New

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 ...

Ztek Consulting

Sr. Developer

Saint Louis, MO · On-site

$55.75 - $71/hr

We are seeking a highly skilled GeoSpatial Sr. Developer with expertise in Java to join our dynamic team. The ideal candidate will have 10 to 14 years of experience and a strong background in Junit ...

New

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.

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Sr Java Developer information

See Missouri salary details

$10

$58

$80

How much do sr java developer jobs pay per hour?

As of Jun 25, 2026, the average hourly pay for sr java developer 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 Sr Java Developer do?

A Sr Java Developer is an experienced software engineer who designs, develops, and maintains complex applications using the Java programming language. They lead technical projects, mentor junior developers, and ensure code quality and best practices. Their role often includes collaborating with cross-functional teams, troubleshooting performance issues, and staying updated on new Java technologies to implement efficient solutions.

What are the typical collaboration dynamics for a Sr Java Developer within a software development team?

As a Sr Java Developer, you'll frequently collaborate with cross-functional teams including frontend developers, QA engineers, DevOps specialists, and project managers. You're often expected to provide technical leadership, review code, and mentor junior developers, while also participating in architectural discussions and sprint planning. Effective communication and the ability to translate complex technical concepts for non-technical stakeholders are essential. This collaborative structure helps ensure project alignment, code quality, and timely delivery of features.

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

To thrive as a Sr Java Developer, you need expert knowledge of Java, object-oriented programming, and software development principles, typically backed by a degree in computer science or related experience. Proficiency with frameworks like Spring, build tools (Maven/Gradle), version control (Git), and familiarity with CI/CD pipelines and cloud platforms is essential. Strong problem-solving, leadership, and communication skills help in mentoring junior developers and collaborating with cross-functional teams. These skills and qualities ensure robust software delivery, technical leadership, and successful project outcomes in complex development environments.

What is the difference between Sr Java Developer vs Java Software Engineer?

AspectSr Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentDevelopment teams, project-based, collaborativeDevelopment teams, project-based, collaborative
Employer & Industry UsageIT companies, software firms, tech departmentsIT companies, software firms, tech departments
Common Search & ComparisonYesYes

The main difference between a Sr Java Developer and a Java Software Engineer lies in their roles' focus and experience level. Sr Java Developers typically have more leadership responsibilities and extensive experience, while Java Software Engineers may focus more on designing and implementing Java applications. Both roles require similar credentials and work in comparable environments, often within IT and software industries.

What are popular job titles related to Sr Java Developer jobs in Missouri? For Sr Java Developer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Sr Java Developer jobs in Missouri look for? The top searched job categories for Sr Java Developer jobs in Missouri are:
Sr Java Developer jobs near you
Infographic showing various Sr Java Developer job openings in Missouri as of June 2026, with employment types broken down into 72% Full Time, and 28% Contract. Highlights an 85% In-person, 3% Hybrid, and 12% Remote job distribution, with an average salary of $122,580 per year, or $58.9 per hour.
Senior Java Backend Developer

Senior Java Backend Developer

CYNET SYSTEMS

O Fallon, MO • On-site

$50/hr

Contractor

Posted 6 days ago

Job description

Job Overview:

Requirement/Must Have:

  • 6+ years of experience in backend development using Java.
  • Strong expertise in Core Java, Spring Boot, and REST APIs.
  • Hands-on experience with Kafka / event streaming platforms.
  • Solid understanding of event-driven architecture concepts.
  • Extensive experience in microservices architecture and distributed systems.
  • Experience working with PostgreSQL or other relational databases.

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a nationally and locally certified diversity firm, Cynet delivers agile, scalable talent solutions across industries. With an active footprint in all 50 U.S. states and Canada, we support thousands of consultants through our expansive, high-performing recruitment engine operating across North America and Asia—ensuring speed, quality, and consistency in every hire.
Cynet Systems logo

About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

Social media

Twitter

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