Top 111 Java Developer Jobs in Belleville, IL

Java Developer
Kashcomp LLC —St. Louis, MO
- $49.22 - $59.27 an hour
- Full-time
- Azure
- Mid-level
- Office
Quick Apply
17h
Java Developer- Direct Hire- 150213
Sovereign Technologies —St. Louis, MO
- Mid-level
- Java
- Python
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
Junior Java/Web Developer
Sovereign Technologies —St. Louis, MO
- Oracle
- Computer Science
- Bachelor of Science
Sr. Java Programmer
Rely Systems —Belleville, IL
- Mid-level
- Office
- IT
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
Android Software Engineer - AI Trainer
DataAnnotation —Red Bud, IL
- $50 - $100 an hour
- Part-time
- Remote
- Writing skills
- English
- Mid-level
- Flexible schedule
Quick Apply
Lead Software Engineer, Phantom Works
Boeing —Berkeley, MO
- $160,650 - $217,350 a year
- Computer science
- Computer Science
- Bachelor of Science
- Health savings account
- Disability insurance
Mid-Level Backend Software Engineer
Leidos —St. Louis, MO
- $87,100 - $157,450 a year
- Full-time
- Azure
- Computer Science
- System design
Lead Software Engineer
Emergent Software —St. Louis, MO
- $140,000 - $160,000 a year
- Full-time
- Remote
- 5 years
- Java
- Mentoring
Quick Apply
9d
Mission Software Engineer (Experienced or Senior)
Boeing —Berkeley, MO
- $126,650 - $217,350 a year
- Computer science
- Computer Science
- 5 years
- Health savings account
- Disability insurance
Software Test Engineer (Associate, Experienced, and Senior)
Boeing —Berkeley, MO
- $85,000 - $171,350 a year
- System design
- Java
- Bachelor's degree
- Health savings account
- Disability insurance
8d
Software Engineer – Systems (Experienced and Senior)
Boeing —Berkeley, MO
- $118,150 - $200,100 a year
- Computer Science
- 5 years
- Bachelor of Science
- Health savings account
- Disability insurance
Missions Systems Software Engineer - Embedded (Associate, Experienced, Senior)
Boeing —Berkeley, MO
- $99,450 - $217,350 a year
- Computer science
- Computer Science
- Java
- Health savings account
- Disability insurance
Lead Developer Platforms Software Engineer
Boeing —Berkeley, MO
- $198,050 - $267,950 a year
- Computer science
- Azure
- 6 years
- Health savings account
- Disability insurance
6d
F-15 Mission Systems Software Engineer (Associate, Experienced, & Senior)
Boeing —Berkeley, MO
- $99,450 - $217,350 a year
- Computer science
- Computer Science
- Software troubleshooting
- Health savings account
- Disability insurance
Sr. Java Developer
Sovereign Technologies —St. Louis, MO
- 5 years
- Bachelor's degree
- Training & development
Software Application Developer
Boeing —Scott AFB, IL
- $81,000 - $92,000 a year
- Computer science
- Azure
- Computer Science
- Health savings account
- Disability insurance
3d
Java Spring Boot Microservices Developer
Infosys —St. Louis, MO
- Mid-level
- Training & development
- Communication skills
Quick Apply
Android Developer
Adidev Technologies Inc —St. Louis, MO
- $30 - $40 an hour
- Full-time
- Office
- In-person
- 1 year
- Relocation assistance
Quick Apply

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

Java Developer

Kashcomp LLC
St. Louis, MO

Quick Apply

Job Details

Full-time
$49.22 - $59.27 an hour
17 hours 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 Belleville, IL

Java Developer

Java Developer- Direct Hire- 150213

Mid Software Developer

Junior Java/Web Developer

Sr. Java Programmer

Full Stack Developer (Backend Emphasis)

Android Software Engineer - AI Trainer

Lead Software Engineer, Phantom Works

Mid-Level Backend Software Engineer

Lead Software Engineer

Mission Software Engineer (Experienced or Senior)

Software Test Engineer (Associate, Experienced, and Senior)

Software Engineer – Systems (Experienced and Senior)

Missions Systems Software Engineer - Embedded (Associate, Experienced, Senior)

Lead Developer Platforms Software Engineer

F-15 Mission Systems Software Engineer (Associate, Experienced, & Senior)

Sr. Java Developer

Software Application Developer

Java Spring Boot Microservices Developer

Android Developer

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

Related Searches

Explore jobs in more locations

Job Seeker Tools

Employer Tools

Browse

Stay Connected