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Senior Java Engineer Jobs in Florissant, MO (NOW HIRING)

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 ...

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 ...

Stellar IT Group

Core Java Developer

Saint Louis, MO · On-site

Remote Duration: 6+ Months Contract Role Overview We are seeking experienced Senior Core Java Developers to join our team and contribute to building secure, scalable, and production-ready ...

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MasterCard

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

We are looking for a Senior AI Java Engineer (Hands-on IC) to deliver AI-driven capabilities across our roadmap. This is a builder role requiring strong hands-on engineering-owning critical ...

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

We are looking for a Senior AI Java Engineer (Hands-on IC) to deliver AI-driven capabilities across our roadmap. This is a builder role requiring strong hands-on engineering-owning critical ...

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 ...

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 ...

Worky

Senior Software Developer

O Fallon, IL · On-site

$110 - $120/hr

We are seeking a Java Developer with experience developing Web applications to be part of the ... As a Senior Software Developer, the selected individual will work hands‑on with developer and ...

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All JobsJava Engineer JobsSenior Java Engineer JobsSenior Java Engineer Jobs in Florissant, MO

Senior Java Engineer information

See Florissant, MO salary details

$10

$57

$79

How much do senior java engineer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for senior java engineer in Florissant, MO is $57.94, according to ZipRecruiter salary data. Most workers in this role earn between $50.77 and $64.71 per hour, depending on experience, location, and employer.

What is a senior Java engineer?

Senior Java Engineers are experienced software developers who specialize in designing, developing, and maintaining applications using the Java programming language. They often lead development teams, architect solutions, and ensure that software meets both technical and business requirements. Their responsibilities also include code reviews, mentoring junior developers, and optimizing application performance. Typically, they have several years of experience and a deep understanding of Java frameworks and best practices.

What are the key skills and qualifications needed to thrive as a senior Java engineer?

To thrive as a Senior Java Engineer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and a degree in computer science or related field. Experience with frameworks like Spring, Hibernate, build tools such as Maven or Gradle, and familiarity with cloud platforms and CI/CD systems are typically required. Excellent problem-solving abilities, leadership, and effective communication help you guide teams and collaborate with stakeholders. These skills are crucial for delivering robust, scalable software solutions and mentoring junior engineers in complex development environments.

What are some common challenges senior Java engineers face when working on large-scale enterprise applications?

Senior Java Engineers often encounter challenges such as managing complex codebases, ensuring application scalability, and maintaining high performance under heavy loads. They are also responsible for implementing robust security practices and integrating new technologies without disrupting existing systems. Effective collaboration with cross-functional teams and mentoring junior developers are crucial aspects of the role, as these responsibilities help maintain code quality and project momentum.

What is the difference between Senior Java Engineer vs Java Developer?

AspectSenior Java EngineerJava Developer
Required CredentialsBachelor's in Computer Science, Java certifications (e.g., Oracle Certified Professional)Bachelor's in Computer Science or related field, Java certifications optional
Work EnvironmentDesigning, developing, and maintaining complex Java applications, often in team leadership rolesDeveloping Java applications, focusing on coding and implementation
Industry UsageUsed across finance, tech, and enterprise sectors for large-scale projectsCommonly employed in software development firms, startups, and tech companies

While both roles involve Java programming, Senior Java Engineers typically handle complex system design, mentorship, and project leadership, whereas Java Developers focus more on coding and implementing features. The senior role often requires more experience and certifications, with a broader scope of responsibilities.

What cities near Florissant, MO are hiring for Senior Java Engineer jobs?

Cities near Florissant, MO with the most Senior Java Engineer job openings:

Senior Java Engineer jobs near you

Sr. Java Full Stack Developer

The Timberline Group

Saint Louis, MO • On-site, Remote

$51 - $65.75/hr

Full-time

Re-posted 10 days ago

Job description

Need Senior resource, average candidate won't work here.
Must have: Spring Boot Cloud (Java Microservices with Spring Boot and Spring Cloud), Jolt Programming, Camunda (this is a rule engine. Exp with Drules will also work)
  • Java, Spring
  • JPA, Hibernate, Kafka, Oracle, WebLogic
  • EJB (good to have, old application is in EJB),
  • Microservice based architecture (RESTful api)

The Timberline Group
Phone: 636-209-5537
PO Box 385, Lebanon, MO 65536
www.timberlinegrp.com
resumes@timberlinegrp.com
"Delivering quality solutions through quality people"

Apply