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Senior Java Jobs in Missouri (NOW HIRING)

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 ...

w3r Consulting

Senior Software Engineer (Java)

O Fallon, MO · On-site

$116K - $153K/yr

Senior Software Engineer Location: O Fallon, MO (Hybrid 3 days in office) Duration: 6 months Top 3 Required Skills: 1. Java Full Stack Engineering * Java 8+, J2EE, Spring, Hibernate * Angular/React ...

US Bank

Senior Software Engineer Java

Earth City, MO · On-site

$118K - $155K/yr

The Senior Software Engineer with strong expertise in Java and Spring Boot will be responsible for the analysis, design, testing, development and maintenance of best-in-class software experiences.

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 ...

Jobgether

$44.25 - $56.25/hr

The position combines strong Java backend expertise with modern Angular frontend development in a collaborative engineering environment. You will work with advanced development practices, including ...

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:

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 · 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 ...

Palnar

Backend Java Engineer W/IBM MQ Exp

O Fallon, MO · 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 ...

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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 Aug 18, 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 skills and qualifications are needed to thrive as a senior Java developer?

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 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.

Are senior Java jobs still in demand?

Senior Java jobs remain in demand due to the widespread use of Java in enterprise applications, backend systems, and Android development. Employers seek experienced developers with strong knowledge of frameworks like Spring and Hibernate, and proficiency in cloud environments and microservices architecture enhances job prospects.

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 August 2026, with employment types broken down into 84% Full Time, 6% Part Time, and 10% Contract. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution, with an average salary of $122,580 per year, or $58.9 per hour.

Java Developer

Atria Group LLC

Saint Louis, MO

$49.50 - $64.25/hr

Full-time

Re-posted 20 days ago

Job description

Company Description

We specialize in Staffing, Consulting, Software Development, and Training along with IT services to small to medium size companies. AG's primary objective is to help companies maximize their IT resources and meet the ever-changing IT needs and challenges.

In addition, AG offers enterprise resource planning and enterprise application integration, supply-chain management, e-commerce solutions, and B2B public exchanges and B2B process integration solutions. Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services to various clients - including governmental agencies and private companies - throughout the United States and India.

We provide these services in multiple computing environments and use technologies such as client/server architecture, object-oriented programming languages and tools, distributed database management systems, state-of-the-art networking, and communications infrastructures. Our honest and realistic approach to recruiting dictates that AG does not entice or lure engineers from their employers. We represent only high caliber technical professionals who have committed to making a change required by career.

Job Description

Required Skills:

Java, JPA/Hibernate, spring (core), REST

Ideal Skills:

JAX-RS, JSON, HTML5, CSS, jQuery, backbone.js, bootstrap.js, Agile (Scrum)

Essential Duties: Identifies, analyzes, and documents business/technical requirements and systems specifications. Creates and performs software coding. Creates and enforces software quality standards, implements/deploys information systems. Evaluates vendor-supplied applications and deploys/integrates vendor-supplied software. Generates suggestions for process/product improvement. Communicates status of assigned work to management and follows practices and procedures covered by precedents, standards or policies. Develops an awareness of systems and operating area interrelationships. Ensures the efficient development of optimal information systems through a variety of duties including management of tasks within schedule and budgetary constraints, coordination of development/implementation efforts across disciplines, generation/presentation of users training material/development plans, and expansion of knowledge applicable to technical platforms and applications. Leads teams of developers/integrators and assists in the development of programmers/analysts through coaching and training.

Qualifications

Would prefer a bachelor's degree and five + years of experience.

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 will perform at the highest technical level of all phases of systems analysis and programming activities. This individual will also be needed to provide guidance and training for other developers. 

Additional Information
  1. Good comm skills are a big priority
  2. Duration: Long term

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