ZipRecruiter

Log In

1

Java Backend Developer Jobs in O Fallon, MO (NOW HIRING)

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 ...

Futran Tech Solutions Pvt. Ltd.

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location: St. Louis, MO Strong Programming skills (OOP, SOLID, 12-factor). Java is preferred. Experience with distributed systems design and architecture Strong experience with CI/CD ...

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 ...

Wipro Limited

Full Stack Java Developer

O Fallon, MO · On-site

$60K - $135K/yr

Design, develop, and maintain robust and scalable backend services using Java, Spring Boot, and ... Mentor junior engineers and share your expertise. * Work in an agile environment, participating in ...

Apex Informatics

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location: St Louis, MO * 10+ years of hands-on software engineering experience * Excellent hands-on experience in Java * Experience in developing REST services. * Experience in unit ...

The Timberline Group

Java Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on customers' needs * The ability to develop technical documentation * Proficient knowledge of Java ...

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 Primary Skills required: * Hibernate * Java 6 or above * Google Web Toolkit Goo to have skills:

The Timberline Group

Java/J2EE Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

... JAVA applications. 2. Perform software analysis, programming, testing, debugging based on technical requirements. 3. Identify production and non-production application issues and ensure designs ...

The Timberline Group

Java/J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

... JAVA applications. 2. Perform software analysis, programming, testing, debugging based on technical requirements. 3. Identify production and non-production application issues and ensure designs ...

Atria Group LLC

Java Developer

Saint Louis, MO · On-site

$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 ...

next page

Showing results 1-20

All JobsJava Backend Developer JobsJava Backend Developer Jobs in O'Fallon, MO

Java Backend Developer information

See O Fallon, MO salary details

$9

$51

$68

How much do java backend developer jobs pay per hour?

As of Jul 8, 2026, the average hourly pay for java backend developer in O'Fallon, MO is $51.08, according to ZipRecruiter salary data. Most workers in this role earn between $45.38 and $58.89 per hour, depending on experience, location, and employer.

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

Java Backend Developers working on large-scale enterprise applications often encounter challenges such as ensuring application scalability, managing complex codebases, and optimizing system performance under heavy loads. Collaborating across teams to integrate with front-end services and external APIs can require strong communication and problem-solving skills. Additionally, maintaining high code quality while delivering new features quickly often means balancing technical debt with innovation. Regular code reviews and adopting best practices in software architecture help address these challenges.

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

To thrive as a Java Backend Developer, you need strong proficiency in Java programming, knowledge of data structures and algorithms, and experience with backend frameworks such as Spring or Hibernate, often supported by a degree in computer science or a related field. Familiarity with relational databases (like MySQL or PostgreSQL), RESTful API development, version control systems (such as Git), and build tools (like Maven or Gradle) is typically required, and certifications like Oracle Certified Professional Java Programmer can be advantageous. Excellent problem-solving skills, attention to detail, and effective communication are crucial soft skills for collaborating with teams and troubleshooting complex systems. These capabilities ensure robust, scalable, and maintainable backend solutions that meet business requirements and support seamless application performance.

What does a Java Backend Developer do?

A Java Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs of web applications using the Java programming language. They ensure that data is properly stored, retrieved, and processed while integrating with the frontend systems. Java Backend Developers also work on optimizing application performance, implementing security measures, and collaborating with other developers to deliver robust software solutions.
What are popular job titles related to Java Backend Developer jobs in O'Fallon, MO? For Java Backend Developer jobs in O'Fallon, MO, the most frequently searched job titles are:
What job categories do people searching Java Backend Developer jobs in O'Fallon, MO look for? The top searched job categories for Java Backend Developer jobs in O'Fallon, MO are:
What cities near O'Fallon, MO are hiring for Java Backend Developer jobs? Cities near O'Fallon, MO with the most Java Backend Developer job openings:
Java Backend Developer jobs near you
Infographic showing various Java Backend Developer job openings in O'Fallon, MO as of July 2026, with employment types broken down into 92% Full Time, 3% Part Time, and 5% Contract. Highlights an 78% Physical, 3% Hybrid, and 19% Remote job distribution, with an average salary of $106,253 per year, or $51.1 per hour.
Sr. Java Full Stack Developer

Sr. Java Full Stack Developer

Palnar

O Fallon, MO • On-site

$49 - $63.25/hr

Full-time

Posted 16 days ago

Job description

Successfully designed and developed externally facing web applications utilizing modern single page application frameworks. Angular and React JS experience preferred.
Deep understanding of JavaScript and it's benefits and quirks.
Proven experience building ADA and WCAG compliant web applications.
Successfully designed and developed cloud ready REST APIs utilizing industry best practices.
Deep understanding of Cloud Architecture and it's benefits and quirks.
Deep understanding of Messaging frameworks and event-based architecture and it's benefits and quirks.
Possess an understanding of multi-tier web development; including knowledge of server-side technologies and databases.
Understanding of web application optimizations such as progressive web apps, web workers, browser repaints and reflows, performance and memory optimizations, debugging memory leaks, caching, flame graphs.
Experience and knowledge of authentication and authorization workflows using concepts like JWT.
Have proficiency in Quality engineering and experience working with Quality leads to define processes and technologies.
Passion for improving code quality using approaches such as unit and end to end testing.
Deep knowledge of Continuous Integration and Delivery and toolsets that provide this ability.
Understanding of agile principles and methodologies and experience implementing and adapting them to fit the team's needs.
Use and understand Git based source control systems.
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
SQL / Hibernate / JPA
Data Structure & Algorithms / Cloud Principles
UI Skills
Demonstrated skills using Angular 13+
Demonstrated skills making UI ADA, WCAG and Responsive Web compliant
Unit test framework using Jasmine, Karma

Apply