Top 20 Java core developer Jobs in O'fallon, Il

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
12d
Software Engineer
Reinventing Geospatial, Inc. (RGi) —St. Louis, MO
- $115,000 - $170,000 a year
- Full-time
- Computer science
- Computer Science
- 5 years
- Paid parental leave
- Health insurance
API Engineer
Booz Allen Hamilton —Scott AFB, IL
- $86,800 - $198,000 a year
- Full-time
- Azure
- Office
- High school diploma or GED
- Disability insurance
- Health insurance
4d
Full Stack Software Engineer
Reinventing Geospatial, Inc. (RGi) —St. Louis, MO
- Full-time
- Bachelor of Science
- Writing skills
- Windows
- Paid parental leave
- Health insurance
Lead Java/Microservices Developer
Sovereign Technologies —St. Louis, MO
- Email
- Computer Science
- Mentoring
- Senior level
Sr. Java Developer
Sovereign Technologies —St. Louis, MO
- 5 years
- Bachelor's degree
- Training & development
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
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
Mid-level Software Engineer
DLS Engineering —St. Louis, MO
- $100,000 - $105,000 a year
- Full-time
- Background check
- Computer science
- Azure
- Disability insurance
- Health insurance
Quick Apply
Senior Software Engineer, Core Experiences - St. Louis, MO, USA
Speechify —St. Louis, MO
- $140,000 - $200,000 a year
- Remote
- System design
- Senior level
- Negotiation
14d
Cloud DevOps Engineer
CACI —Scott AFB, IL
- $82,100 - $172,400 a year
- Full-time
- Remote
- 5 years
- Java
- Bachelor's degree
- Health insurance
8d
Guidewire PolicyCenter Sr Developer
Deloitte —St. Louis, MO
- $116,200 - $229,100 a year
- Full-time
- Azure
- Oracle
- Up to 50% travel
Consultant - Guidewire Developer
Deloitte —St. Louis, MO
- $107,700 - $151,800 a year
- Full-time
- Azure
- Oracle
- Up to 50% travel
Senior Automation Engineer
Deloitte —St. Louis, MO
- $100,400 - $197,900 a year
- Full-time
- 7 years
- Computer Science
- HIPAA
Senior Software Engineer
Omni Federal —St. Louis, MO
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
Quick Apply

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java core developer jobs near o'fallon, il

Mid Software Developer

Chenega Agile Real-Time Solutions -
O'Fallon, IL

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Job Details

Full-time
$75,000 - $100,000 a year
12 days ago

Qualifications

.NET Core
C#
Java
Swagger

Full Job Description

Overview:

Mid Software Developer

O’Fallon, IL

Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer’s core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the next level!

Chenega Agile Real-Time Solutions (CARS) was created with the purpose of providing integrated enterprise IT support to Federal customers both CONUS and OCONUS. CARS employs Subject Matter Experts (SMEs) with decades of experience working in the Federal marketplace.

Chenega Agile Real-Time Solutions (CARS) is seeking a Mid Software Developer to join the FS2 – Foundation Solutions team. The Backend Software Developer will modify existing GOTS code and integrate open-source software solutions for display and analysis within Aeronautical Production Systems.

Responsibilities:

Coding, developing, integrating, and debugging Python, React, C#, and other languages. Strong familiarity with Python Flask, Mapping, Gitlab/DevOps, and ESRI development
Writing validation tests against existing code baselines to ensure the integrity of the code during Agile development efforts.
Assisting with unit testing.
Writing scripts to automate AWS and RDS tasks.
Performs software systems development, including the design, development, troubleshooting, and debugging of software programs for software enhancements and new software-intensive systems and products.
Participate in peer reviews and unit testing, and must be adaptable to different responsibilities.
Duties include software requirements analysis, development of software products.
This role is responsible for identifying software and hardware dependencies and capacities.
Other duties as assigned

Qualifications:

BS degree and 2+ years of prior relevant experience OR
Master's 2+years of prior relevant experience; OR
High School diploma or GED equivalent and 6+ years of related experience.
- Adept at leveraging a comprehensive suite of AWS services, including Amazon S3 for storage, EC2 for compute, and Lambda for serverless functions. This expertise is complemented by strong experience in Python and shell scripting to automate cloud operations and streamline infrastructure management.
- Possession of an AWS Certified Developer - Associate certification is a strong plus.
- Experience in either software development projects or software integration projects in a service-oriented environment (Cloud, SOA, Web-Services) or virtualization environment.
- Experience with TypeScript, Node.js/Express, ASP.NET Core Web API, Swagger (OpenAPI), C#, and Postgres
- Familiarity with REST principles.
- Experience with DevSecOps, including Kubernetes and Docker.
- Experience with Python and .NET Core (coding, developing, designing, integrating, and debugging)
- Experience with Linux Administration (including writing Bash scripts)
- Experience scripting to automate AWS and RDS tasks
- Experience using AWS SDK API tools to build on AWS. Lambdas, EC2, and React.
- Experience implementing JavaScript, Java, and SQL
Background check
Successfully pass background and drug screening

Preferred Qualifications:

Master's Degree with 2+ years of prior relevant experience
Active TS/SCI Clearance

Knowledge, Skills, and Abilities:

Ability to obtain TS/SCI Clearance
Ability to work independently and yet be effective within a team setting
Must be capable of managing multiple efforts with time-related constraints in a fast-paced contracting environment
Demonstrated ability to effectively communicate and collaborate with diverse internal and external stakeholder groups and individuals
Friendly presence, helpful attitude, good interpersonal skills, and ability to work well with others.
Excellent skills in Microsoft Word, Excel, and other Office applications
Proficient with Microsoft Office Applications, and experience working in a home office setting, as well as the ability to train end users on frequently asked technical issues.
Ability to provide technical assistance and support over the phone; good phone skills, professional demeanor, and previous customer service experience strongly desired.
Good problem-solving skills; ability to visualize a problem/situation and think abstractly to solve it

How you’ll grow

At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their careers to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there’s always room to learn.

We offer opportunities to help sharpen skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their careers.

Benefits

At Chenega MIOS, we know that great people make a great organization. We value our team members and offer them a broad range of benefits.

Learn more about what working at Chenega MIOS can mean for you.

Chenega MIOS’s culture

Our positive and supportive culture encourages our team members to do their best work every day. We celebrate individuals by recognizing their uniqueness and offering them the flexibility to make daily choices that can help them be healthy, centered, confident, and aware. We offer well-being programs and continuously look for new ways to maintain a culture where we excel and lead healthy, happy lives.

Corporate citizenship

Chenega MIOS is led by a purpose to make an impact that matters. This purpose defines who we are and extends to relationships with our clients, our team members, and our communities. We believe that business has the power to inspire and transform. We focus on education, giving, skill-based volunteerism, and leadership to help drive positive social impact in our communities.

Learn more about Chenega’s impact on the world.

Chenega MIOS News- https://chenegamios.com/news/

Tips from your Talent Acquisition Team

We want job seekers exploring opportunities at Chenega MIOS to feel prepared and confident. To help you with your research, we suggest you review the following links:

Chenega MIOS web site - www.chenegamios.com

Glassdoor - https://www.glassdoor.com/Overview/Working-at-Chenega-MIOS-EI_IE369514.11,23.htm

LinkedIn - https://www.linkedin.com/company/1472684/

Facebook - https://www.facebook.com/chenegamios/

#Chenega Agile Real Time Solutions, LLC

Teleworking Permitted?: false Estimated Salary/Wage: USD $75,000.00/Yr. Up to USD $100,000.00/Yr.

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Refine Your Search

java core developer jobs in o'fallon, il

Mid Software Developer

Software Engineer

API Engineer

Full Stack Software Engineer

Lead Java/Microservices Developer

Sr. Java Developer

Full Stack Developer (Frontend Emphasis)

Full Stack Developer (Backend Emphasis)

Mid-level Software Engineer

Senior Software Engineer, Core Experiences - St. Louis, MO, USA

Cloud DevOps Engineer

Guidewire PolicyCenter Sr Developer

Consultant - Guidewire Developer

Senior Automation Engineer

Senior Software Engineer

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