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

Senior Java Engineer

Saint Louis, MO

$55.75 - $71/hr

Overview We are looking for a highly skilled Senior Java Engineer to design, develop, and maintain enterprise-grade applications. The ideal candidate will have deep expertise in Java, Spring Boot ...

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.

Java Developer

O Fallon, MO

$47.75 - $61.75/hr

Sr. Java Developer Key Skills and Experience: * Strong hands on experience in Java(J2ee) * Strong in webservices(microservices), Rest API's, Oracle DB knowledge, Cloud native(preferably AWS or Azure)

Senior Java Software Engineer.

Clayton, MO · On-site

$116K - $153K/yr

Senior Java Software Engineer. Location: Weldon or Clayton, MO Duration: Long term Contract Face to Face interview. Responsibilities As a Senior Software Engineer on the Vehicle Management Team, you ...

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 ...

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 ...

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 ...

Senior Java Dev

O Fallon, MO

$53.50 - $68.25/hr

Senior Software Development Engineer Card Portal Overview: Senior Software Development Engineer Card Portal - Commercial Technology under Smart Data Requirements: Java (We use Java 8) Angular (We use ...

Senior Java Developer

Saint Charles, MO · On-site

$54 - $68.75/hr

Object-oriented design and programming with Java, J2EE - web technologies, web framework * Solid working experience in developing cloud applications. * Angular 2.0 or above * Open source frameworks ...

Senior Java Developer

Saint Louis, MO

$55.75 - $71/hr

... Engineering Concepts and Methodologies is required. • Minimum 5 years of experience working in backend, and micro-service APIs with Java and SpringBoot • Experience with version control systems ...

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 ...

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 ...

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Senior Java Engineer information

See Florissant, MO salary details

$10

$57

$79

How much do senior java engineer jobs pay per hour?

As of Jun 12, 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 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 are the key skills and qualifications needed to thrive as a Senior Java Engineer, and why are they important?

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 Senior Java Engineers?

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 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 & Mid-Level Java Engineer

Senior Java Engineer & Mid-Level Java Engineer

Avani Technology Solutions, Inc.

Saint Louis, MO • On-site

$120K - $159K/yr

Full-time

Posted 21 days ago


Job description

Title: Senior Java Engineer & Mid-Level Java Engineer
Duration: 24+ Months
Location: St. Louis, MO
Interview Process: Hacker Test followed by IN PERSON INTERVIEW---Tuesday, August 27th.
Required Skills:
  • Java 8
  • Spring/Springboot
  • Cloud (PCF is preferred, but any is fine)
  • CI/CD tools (Jenkins)
  • RESTful APIs
  • Angular 5 (but anything 2 or higher would be considered)

Thanks & Regards,
Naveen Kumar
Technical Recruiter
AVANI Tech Solutions Inc
Naveen.b@avanitechsolutions.com
585 532 7121.