Top 25 Junior software Jobs in Missouri

Entry-Level Software Developer
Leidos —St. Louis, MO
- $57,850 - $104,575 a year
- Full-time
- Writing skills
- Databases
- Bachelor's degree
Junior Application Developer
CACI —St. Louis, MO
- $53,100 - $106,300 a year
- Full-time
- Computer Science
- Java
- Bachelor's degree
- Health insurance
Junior Software Engineer
CACI —St. Louis, MO
- $69,100 - $141,500 a year
- Full-time
- Computer Science
- System design
- Java
- Health insurance
Junior Application Engineer
Anacomp, Inc. —St. Louis, MO
- From $60,000 a year
- Full-time
- Computer Science
- Bachelor's degree
- Linux
Quick Apply
8d
Junior Java/Web Developer
Sovereign Technologies —St. Louis, MO
- Oracle
- Computer Science
- Bachelor of Science
Junior Systems Engineer
CACI —St. Louis, MO
- $58,000 - $115,900 a year
- Full-time
- Computer Science
- Engineering
- Travel
- Health insurance
Jr Digital Production Specialist
Bass Pro Shops —Springfield, MO
- Weekends as needed
- Google Workspace
- Computer science
- Computer Science
- Health savings account
- Paid holidays
Programmer Analyst – Junior .NET Developer
Sovereign Technologies —St. Louis, MO
- Computer Science
- Bachelor's degree
- Computer skills
Junior Systems Integrator
CACI —St. Louis, MO
- $58,000 - $115,900 a year
- Full-time
- Computer Science
- Databases
- Travel
- Health insurance
Junior SQL Developer
Automotive Product Consultants LLC —O'Fallon, MO
- Computer science
- Computer Science
- Office
- Health insurance
- Dental insurance
Quick Apply
4d
JUNIOR SOFTWARE DEVELOPER
Bed Rock, Inc dba Tri-State Motor Transit Co. —Joplin, MO
- Full-time
- Hybrid work
- Research
- Office
- High school diploma or GED
- Health savings account
- Health insurance
Quick Apply
11d
DevOps Engineer - Junior
CACI —St. Louis, MO
- $58,000 - $115,900 a year
- Full-time
- Computer science
- Azure
- Computer Science
- Health insurance
Junior Help Desk Specialist
Chenega Agile Real-Time Solutions —St. Louis, MO
- Full-time
- Microsoft Excel
- Military
- High school diploma or GED
1d
C# Developer (Jr and Sr Roles)
Fabergent —St. Louis, MO
- Customer service
- Mid-level
- Windows
Quick Apply
Junior NOC Operator
StarHunter —Kansas City, MO
- $45,000 - $50,000 a year
- Weekends as needed
- Continuous improvement
- Computer networking
- Linux
Quick Apply
12d
Jr. Enterprise Watch Officer
Chenega Agile Real-Time Solutions —St. Louis, MO
- Full-time
- Microsoft Excel
- Pass drug screening
- Mid-level
10d
TS/SCI -Entry-Level Software Developer (Python Required)
Bailey Information Technology, LLC —St. Louis, MO
- Bachelor of Science
- Writing skills
- Master's degree
Quick Apply
Cloud Operations and Customer Support Engineer Jr
Meridian Systematics —St. Louis, MO
- $105,000 - $140,000 a year
- Full-time
- Computer science
- Computer Science
- Mid-level
- Health insurance
- Dental insurance
Quick Apply
3d
Jr DevOps Engineer
General Dynamics Information Technology —St. Louis, MO
- $83,300 - $112,700 a year
- On call
- System design
- In-person
- Senior level
- Paid time off
- 401(k) matching
Jr Data Steward
Everforth ECS —St. Louis, MO
- Mid-level
- Office
- High school diploma or GED
11d

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junior software jobs near missouri

Entry-Level Software Developer

Leidos -
St. Louis, MO

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Job Details

Full-time
$57,850 - $104,575 a year

Qualifications

Version control
Writing skills
Bachelor's degree
Continuous integration
Functional quality evaluation testing
Python

Full Job Description

Description

The Leidos FS2 Aero team has an opening for a junior (entry level) software developer to work on the design and coding with software solutions for the Aeronautical Navigation Office. The ideal candidate has a familiarity with and a baseline understanding of software development concepts, developing coding skills using different tools, and ambition towards future projects in support of the mission.

Primary Responsibilities

The applicant must possess competence with Python and should have working knowledge JavaScript/TypeScript. Other duties include working with Docker, AWS Cloud, and familiarity with JSON APIs.
This role includes creation and documentation of new and existing functionality within software version control repositories (GitLab) and utilizing DevOps principals and tools to deliver new features within an Agile construct.
Participate in program Agile software development initiatives (standup, planning, Increment planning) to support innovation and enhancement of custom applications through iteration/functionality testing.
Primary responsibilities will involve developing configurations and features for processing Safety of Navigation (SoN) data through an Optical Character Recognition (OCR), Machine Learning (ML) application. This role includes API development and database integration for interaction with React frameworks, using various open-source packages for visualization and data filtering and code modifications that shall apply best practices in unit and build testing.
Participate and collaborate with team members to assess tickets to ensure proper testing and delivery of functionality per User Story Acceptance Criteria.

Basic Qualifications

Requires Bachelors degree.
US Citizenship required.
Ability to obtain and maintain a TS/SCI with polygraph clearance.
0+ years of experience with Python.
Experience with modern JavaScript development framework.
Experience with unit testing, continuous integration tools, and Gitlab version control.
Proactive self-starter demonstrates a positive, willing attitude and excellent oral and written communication skills.
Experience in either software development projects or software integration projects in a service-oriented environment (Cloud, SOA, Web-Services) or virtualization environment.
Organizational Skills: Can plan and prioritize work. Follow tasks to their logical conclusion and make sure that everything has been done to the right standard. Good attention to detail.
Communications: Ability to communicate clearly and efficiently with team members and clients, verbally and in writing. Able to present ideas in a variety of ways depending upon audience and context.

Preferred Qualifications

0+ years of experience with Optical Character Recognition (OCR) and/or Computer Vision (CV) Technologies (AWS Textract, Tesseract, OpenCV).
0+ years of experience with DoD Aeronautical Datasets.
0+ years of experience with AWS cloud formation templates and/or AWS CDK.
Experience with 2D data (HTML Canvas, OpenLayers, Leaflet, GeoJSON, Godot).
AWS Solutions or DevOps certification.
Experience with Team Collaboration tools (Jira, Confluence).

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

July 31, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $57,850.00 - $104,575.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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Refine Your Search

junior software jobs in missouri

Entry-Level Software Developer

Junior Application Developer

Junior Software Engineer

Junior Application Engineer

Junior Java/Web Developer

Junior Systems Engineer

Jr Digital Production Specialist

Programmer Analyst – Junior .NET Developer

Junior Systems Integrator

Junior SQL Developer

JUNIOR SOFTWARE DEVELOPER

DevOps Engineer - Junior

Junior Help Desk Specialist

C# Developer (Jr and Sr Roles)

Junior NOC Operator

Jr. Enterprise Watch Officer

TS/SCI -Entry-Level Software Developer (Python Required)

Cloud Operations and Customer Support Engineer Jr

Jr DevOps Engineer

Jr Data Steward

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