Top 96 Java Developer Jobs in O Fallon, IL

Java Developer
Kashcomp LLC —St. Louis, MO
- $49.22 - $59.27 an hour
- Full-time
- Azure
- Mid-level
- Office
Quick Apply
3d
Java Angular Full Stack Engineer
Stellar IT Solutions LLC —St. Louis, MO
- $52 - $58 an hour
- Remote
- Java
- AWS
- Mentoring
Quick Apply
Junior Java/Web Developer
Sovereign Technologies —St. Louis, MO
- Oracle
- Computer Science
- Bachelor of Science
Web Developers
Swip Systems —St. Louis, MO
- Email
- Customer service
- Mid-level
- Office
Sr. Java Programmer
Rely Systems —Belleville, IL
- Mid-level
- Office
- IT
Sr. Java Developer
Sovereign Technologies —St. Louis, MO
- 5 years
- Bachelor's degree
- Training & development
Java Developer- Direct Hire- 150213
Sovereign Technologies —St. Louis, MO
- Mid-level
- Java
- Python
Software Engineer - Intermediate
Equifax —St. Louis, MO
- Full-time
- Hybrid work
- Azure
- Mid-level
- Office
- Health insurance
- Paid time off
Sr. Java/Web Developer
Sovereign Technologies —St. Louis, MO
- Computer Science
- Bachelor of Science
- SQL
Mulesoft Developer
Equifax —St. Louis, MO
- Full-time
- Hybrid work
- Azure
- Mid-level
- AWS
- Health insurance
- Paid time off
2d
Java/J2EE developer Sr.
kollasoft —St. Louis, MO
- Contract
- Oracle
- Mentoring
- Senior level
Quick Apply
Software Application Developer
Boeing —Scott AFB, IL
- $81,000 - $92,000 a year
- Computer science
- Azure
- Computer Science
- Health savings account
- Disability insurance
6d
Full Stack Developer (Frontend Emphasis)
Agile Defense —Scott AFB, IL
- $110,000 - $150,000 a year
- Hybrid work
- Computer Science
- System design
- Java
- Paid holidays
- Disability insurance
Quick Apply
Mid Software Developer
Chenega Agile Real-Time Solutions —O'Fallon, IL
- $75,000 - $100,000 a year
- Full-time
- Background check
- Microsoft Excel
- Bachelor of Science
Full Stack Developer (Backend Emphasis)
Agile Defense —Scott AFB, IL
- $110,000 - $150,000 a year
- Hybrid work
- Computer Science
- 5 years
- System design
- Paid holidays
- Disability insurance
Quick Apply
Software Engineer
Sovereign Technologies —St. Louis, MO
- Computer Science
- Mid-level
- IT
Application Development Senior Advisor
The Cigna Group —St. Louis, MO
- Online Application
- 5 years
- Engineering
- SQL
C++ Software Engineer
LSEG (London Stock Exchange Group) —St. Louis, MO
- $95,700 - $159,700 a year
- Full-time
- Azure
- Mid-level
- 3 years
- Commuter assistance
- Health insurance
Lead Software Engineer
Emergent Software —St. Louis, MO
- $140,000 - $160,000 a year
- Full-time
- Remote
- 5 years
- Java
- Mentoring
Quick Apply
12d
Senior Software Engineer - Java/Spring/Hibernate
Enterprise Mobility —St. Louis, MO
- Full-time
- Computer Science
- Research
- Office
- Profit sharing
- Health insurance

I want to receive the latest job alert for Java Developer in O Fallon, IL

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

Java Developer jobs near O Fallon, IL

Java Developer

Kashcomp LLC
St. Louis, MO

Quick Apply

Job Details

Full-time
$49.22 - $59.27 an hour
3 days ago

Qualifications

Enterprise software
Java
Microservices
AWS
Grafana

Full Job Description

Overview

We are seeking a dynamic and highly skilled Java Developer to join our innovative technology team. In this role, you will be instrumental in designing, developing, and maintaining scalable software solutions that power our core applications. Your expertise will drive the development of robust microservices architectures, RESTful APIs, and cloud-based systems, ensuring high performance and security. This position offers an exciting opportunity to work with cutting-edge technologies and contribute to complex system design within a collaborative Agile environment.

Duties

Develop, test, and deploy high-quality Java applications aligned with business requirements and technical specifications
Design system architecture components using best practices such as design patterns and scalable system principles
Build and maintain RESTful APIs to enable seamless communication between front-end interfaces and back-end services
Collaborate within Agile teams to deliver iterative improvements, participate in sprint planning, stand-ups, and retrospectives
Implement microservices architecture on cloud platforms like AWS or Azure to enhance system scalability and resilience
Integrate third-party APIs and develop custom APIs for internal use, ensuring secure data exchange via RBAC (Role-Based Access Control)
Utilize version control tools such as GitHub or SVN for code management, along with CI/CD pipelines for continuous integration and delivery
Optimize application performance by applying best practices in application development, system design, and scalability techniques
Contribute to front-end development efforts using JavaScript frameworks like React or Express for full-stack project delivery
Maintain comprehensive documentation of system designs, API specifications, and development processes

Experience

Proven software engineering experience with a strong focus on Java development in enterprise environments
Hands-on experience designing scalable systems using microservices architecture and RESTful API standards
Familiarity with IT infrastructure components including Linux servers, cloud platforms (AWS/Azure), and networking fundamentals
Knowledge of web development technologies such as JavaScript, React, Express.js, along with proficiency in SQL databases like MySQL or SQL Server
Experience working within Agile software development methodologies including Scrum or Kanban
Strong understanding of version control systems such as GitHub or SVN and CI/CD tools for automated deployment pipelines
Background in application development across multiple programming languages including C#, Python, C++, VBA or C is a plus
Exposure to system security concepts like RBAC and best practices for scalable, secure API integrations
Ability to collaborate effectively with cross-functional teams including front-end developers, QA engineers, and system architects

Join us to be part of a forward-thinking team that values innovation, technical excellence, and continuous growth. If you’re passionate about building impactful software solutions using the latest technologies in a fast-paced environment, we want to hear from you!

Pay: $49.22 - $59.27 per hour

Work Location: In person

Quick Apply

Refine Your Search

Java Developer jobs in O Fallon, IL

Java Developer

Java Angular Full Stack Engineer

Junior Java/Web Developer

Web Developers

Sr. Java Programmer

Sr. Java Developer

Java Developer- Direct Hire- 150213

Software Engineer - Intermediate

Sr. Java/Web Developer

Mulesoft Developer

Java/J2EE developer Sr.

Software Application Developer

Full Stack Developer (Frontend Emphasis)

Mid Software Developer

Full Stack Developer (Backend Emphasis)

Software Engineer

Application Development Senior Advisor

C++ Software Engineer

Lead Software Engineer

Senior Software Engineer - Java/Spring/Hibernate

I want to receive the latest job alert for Java Developer in O Fallon, IL

Related Searches

Explore jobs in more locations

Job Seeker Tools

Employer Tools

Browse

Stay Connected