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Sr Java Developer Jobs in Missouri (NOW HIRING)

ACI Infotech

Java Developer

Lake Saint Louis, MO · On-site

$48.25 - $62.50/hr

Onsite Sr. Java Developer Location: St. Louis, MO In short, I require ::-- Java , spring boot , microservices and AWS ( cloud is compulsory , if not AWS , any other cloud will work). Responsibilities ...

Jobsbridge

Sr. Java Developer

Saint Louis, MO

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Core Java (Mandatory) Web Service [REST and SOAP] (Mandatory) Hibernate or ...

Jobsbridge

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/architects, we have them all. Core Java (Mandatory) Web Service [REST and SOAP] (Mandatory) Hibernate or ...

Jobsbridge

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/architects, we have them all. Core Java (Mandatory) Web Service [REST and SOAP] (Mandatory) Hibernate or ...

The Giant Bullseye

Senior Java Engineer

Saint Louis, MO · On-site

$55.75 - $71/hr

Overview We are looking for a highly skilled Senior Java Engineer to design, develop, and maintain ... Collaborate with cross-functional teams including DevOps, QA, and product to deliver high-quality ...

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 ...

E-Solutions

Senior Java Backend Developer

O Fallon, MO · On-site

$112K - $146K/yr

Senior Java Backend Developer O'Fallon, Missouri [Onsite] * 6+ years of experience in backend development using Java. * Strong expertise in Core Java, Spring Boot, and REST APIs. * Hands-on ...

New

Samprasoft

Senior SDET

O Fallon, MO · On-site

Senior Java Developer Senior position (minimum of 5+ years in Java and testing) Should be good in testing concepts We are expecting advanced knowledge in Core Java Test Automation skills (REST ...

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 ...

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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Sr Java Developer information

See Missouri salary details

$10

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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.
Java Software Development Engineering

Java Software Development Engineering

TriOptus LLC

Lake Saint Louis, MO • On-site

$54.25 - $69.25/hr

Contractor

Posted 26 days ago

Job description

Job Title: Java Developer/Sr. Java Developer (Multiple roles)
Location: St. Louis, MO
Experience: 3+ year for Java Developer Roles / 5+ years for Sr. Java Developer Roles
Duration: 12+ months
Role:
  • Hands-on developer who writes high quality, secure code that is modular, functional and testable.
  • Lead the design, implementation, and delivery for engineering efforts spanning 1-2 teams.
  • Contribute to all parts of the software's development including design, development, documentation, and testing.
  • Have strong ownership of your team's software and are deep in the maintenance characteristics, runtime properties and dependencies including hardware, operating system, and build.
  • Communicate, collaborate and work effectively in a global environment.

Education and Experience:
  • Degree in Computer Science or related field
  • Strong foundation in algorithms, data structures and core computer science concepts.
  • Evidence of working with object-oriented development and design patterns.
  • Proficiency in multiple modern programming languages such as Java, Python, C++ etc.
  • Strong written and verbal English communications skills.
  • Strong analytical and excellent problem solving skills.
  • Experience working in an Agile environment.
  • Strong communication skills - both verbal and written
  • 5 or more years of related work experience.
  • Experience with XP, TDD and BDD in the software development processes
  • Advantage if you have payments expertise and experience/proficiency with cloud technologies (IaaS, PaaS, serverless technology, NoSQL databases), micro-service design, CI/CD, near real-time, scalable fault tolerant platform design, API design, and distributed systems operations in a DevOps model.

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