Top 176 Java Jobs in O Fallon, Il

Junior Software Developer, Applications
Everforth ECS —O'Fallon, IL
- Windows
- Bachelor's degree
- JavaScript
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
Java Developer
Netrist —Scott AFB, IL
- Full-time
- Remote
- Computer Science
- Software troubleshooting
- System design
- Paid holidays
- Disability insurance
Data Engineer
Booz Allen —O'Fallon, IL
- $61,900 - $141,000 a year
- Full-time
- Azure
- Mid-level
- Office
- Health insurance
- Flexible spending account
Senior Full Stack Developer - Front End
Netrist —Scott AFB, IL
- Full-time
- Remote
- Computer Science
- System design
- Java
- Paid holidays
- Disability insurance
Big Data Software Engineer - W2 ONLY
Tricon Solutions —O'Fallon, IL
- $55 - $60 an hour
- Contract
- Computer science
- Computer Science
- Bachelor of Science
Quick Apply
API Engineer
Booz Allen —Scott AFB, IL
- $86,800 - $198,000 a year
- Full-time
- Azure
- Mid-level
- Office
- Health insurance
- Flexible spending account
6d
SME - Software Developer, Applications
Everforth ECS —O'Fallon, IL
- SQL
- Senior level
- Python
Software Developer (Java / SOA → Cloud-Native)
Onyx Government Services,LLC —Scott AFB, IL
- Full-time
- 3 years
- Java
- AWS
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5d
Software Developer 2 (Associate)
UNCOMN —O'Fallon, IL
- $77,000 - $87,000 a year
- Azure
- Mid-level
- 3 years
- Paid holidays
- Health insurance
Sr. Java Programmer
Rely Systems —Belleville, IL
- Mid-level
- Office
- IT
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
Senior DevOps Software Engineer
Global Enterprise Services, LLC —Swansea, IL
- System design
- 8 years
- SQL
Quick Apply
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
Data Engineer
Logistics Management Institute —Scott AFB, IL
- $76,390.24 - $130,605.48 a year
- Full-time
- Azure
- Computer Science
- System design
3d
Android Developer
Adidev Technologies Inc —St. Louis, MO
- $30 - $40 an hour
- Full-time
- Office
- In-person
- 1 year
- Relocation assistance
Quick Apply
8d
Senior Developer (Security) - Hybrid
Netrist —Scott AFB, IL
- Full-time
- Remote
- Computer Science
- Software troubleshooting
- Java
- Disability insurance
- Health insurance
DCO Counter-Measures Engineer
Leidos —Illinois
- $107,900 - $195,050 a year
- Full-time
- Hybrid work
- System design
- Windows
- Java
Senior Systems Administrator - Secret Clearance
ABBTECH Professional Resources, Inc. —Illinois
- $57 - $62 an hour
- Temporary
- Bachelor of Science
- System design
- Java
- AD&D insurance
- Paid holidays
Quick Apply

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Junior Software Developer, Applications

Everforth ECS
O'Fallon, IL

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Job Details

Qualifications

Containerization systems
Process flow diagrams
Software engineering
Creating UX mockups
Requirements specification
Requirements design
Data modeling projects
XML
Procedural guides
Infrastructure as Code (IaC)
Coaching
Software implementation
Configuration management
Application deployment
Windows
Incident Escalation
DoD experience
Weblogic
System design for system development
Team development
JavaScript
Product backlog management
Issue tracking
Version control systems
Implementation (software development lifecycle)
UML
Mentoring
Help desk systems
Software documentation
Requirements management

Full Job Description

Everforth ECS Federal is looking for a Junior software developer that develops, creates, and modifies general computer applications software or specialized utility programs. Analyze user needs and develop software solutions. Design software or customize software for client use with the aim of optimizing operational efficiency. May analyze and design databases within an application area, working individually or coordinating database development as part of a team. May collaborate directly with customers on requirements gathering and software issues. Assists with software manual creation and maintenance. Work is performed under supervision

Requirements:

CompTIA Security+ Certification (or ability to obtain within 6 months)
0-3 years of development experience
Bachelor's degree or work experience substitute
Basic Knowledge of Java, HTML5 technologies, Spring, RHEL, SQL, JavaScript, XML, Agile methodologies, WebLogic, Gradle/Maven/Ant, Python.
Experience with or ability to learn ticketing system (ServiceNow)
Ability to follow documented processes, SOPs and escalation procedures
Basic troubleshooting skills and logical problem-solving ability
Knowledge of DoD transportation data and business practices
Ability to Design, Code and Test requirements usingLinux and Windows operating systems,
Knowledge of Server technologies like WebLogic, Tomcat and Apache and Container technologies like Docker, Kubernetes
Familiar with Version control systems like Git, Build and deployment orchestration tools like Jenkins and Build and package managers like Gradle and Artifactory
Experience scripting languages such as Python, BASH, Perl, Powershell
Knowledge of Configuration Management tools like Ansible, Puppet, Chef, Terraform
Experience writing Java, JavaScript, and SQL or PL/SQL
Experience developing Infrastructure as Code (IaC) and Configuration as Code (CaC)
Strong understanding of test-driven development and test automation to ensure adequate test coverage (unit, integration, system, load, functional and exploratory)
Able to work with the development manager and lead architect on architecture changes and understanding process and application design including grooming requirements in the architecture that were not provided in detail or not fully defined
Ability to manage workloads and the creation of program specifications from which the developers work and add them to the work tracker adding flowcharts, class diagrams, Entity Relationship Diagrams (ERDs), and a variety of other visual techniques (mockups) to clearly convey the meaning to the developer.
Able to work with development manager to manage backlogs, estimates and other SDLC requirements for development, provide estimates on requirements for iteration/build planning, and Integrate and deploy software in a complex architecture
Capable to review code, perform code reviews and code check-ins to ensure the integrity of commits, builds, etc.
Ability to learn, understand and refine the capabilities of other developers on the team including ability to mentor and coach intermediate and junior developers with constructive code reviews and code theory discussions

Req Benefits:

Benefits - Everforth ECS

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Refine Your Search

java jobs in o fallon, il

Junior Software Developer, Applications

Full Stack Developer (Backend Emphasis)

Java Developer

Data Engineer

Senior Full Stack Developer - Front End

Big Data Software Engineer - W2 ONLY

API Engineer

SME - Software Developer, Applications

Software Developer (Java / SOA → Cloud-Native)

Software Developer 2 (Associate)

Sr. Java Programmer

Full Stack Developer (Frontend Emphasis)

Senior DevOps Software Engineer

Java Angular Full Stack Engineer

Junior Java/Web Developer

Data Engineer

Android Developer

Senior Developer (Security) - Hybrid

DCO Counter-Measures Engineer

Senior Systems Administrator - Secret Clearance

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