Top 63 javascript developer Jobs in o'fallon, mo

Entry-Level Software Developer
Leidos —St. Louis, MO
- $57,850 - $104,575 a year
- Full-time
- Writing skills
- Java
- AWS
1d
Dynamics Developer- St. Louis
SYDENSTRICKER NOBBE PARTNERS —Saint Charles, MO
- Full-time
- Azure
- 5 years
- System design
Quick Apply
Java Lead
Tata Consultancy Services —O'Fallon, MO
- $80,000 - $120,000 a year
- Senior level
- Communication skills
- Commuter assistance
- Health insurance
Software Engineer - Frontend
Augustine Institute Inc —Florissant, MO
- Full-time
- System design
- Office
- Bachelor's degree
Quick Apply
Senior Software Engineer
Boeing —Maryland Heights, MO
- $133,000 - $160,000 a year
- Hybrid work
- 11+ years
- Analysis skills
- C++
- Health savings account
- Disability insurance
Software Engineer, Information Technology
NISA Investment Advisors, LLC —St. Louis, MO
- Full-time
- Computer science
- Computer Science
- Mid-level
- Wellness program
- Health insurance
Software Engineer–Developer
Boeing —Berkeley, MO
- $118,150 - $182,850 a year
- Remote
- Computer science
- Computer Science
- Bachelor of Science
- Health savings account
- Disability insurance
1d
Lead C#.net Developer - Hybrid!
Perceptive Recruiting, LLC —St. Louis, MO
- Hybrid work
- Azure
- 5 years
- SQL
- Profit sharing
- Paid time off
Quick Apply
SR. SOFTWARE ENGINEER
UnikproS —Maryland Heights, MO
- Azure
- Computer Science
- Bachelor of Science
- Referral program
Database/Programmer Developer
Diligent Solutions —Overland, MO
- Microsoft Access
- Windows
- JavaScript
- Dental insurance
- 401(k)
Back-End 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
Lead Application Developer
Cass Information Systems, Inc. —Bridgeton, MO
- Hybrid work
- Computer science
- Computer Science
- 5 years
Software Developer Fulltime , 40 hours per week
I3GlobalTech —St. Louis, MO
- $122,970 a year
- Full-time
- Computer Science
- Mid-level
- Office
Senior Software Engineer - .NET/C#
Enterprise Mobility —St. Louis, MO
- Full-time
- Hybrid work
- Microsoft Access
- Azure
- Computer Science
- Profit sharing
- Health insurance
Senior Software Engineer, Technology Solutions
NISA Investment Advisors, LLC —St. Louis, MO
- Full-time
- Computer science
- Computer Science
- 5 years
- Wellness program
- Health insurance
Sr. Programmer Analyst
Sovereign Technologies —St. Louis, MO
- Computer Science
- 5 years
- Bachelor of Science
Senior Software Engineer
Soleo Health Inc —Chesterfield, MO
- Urgently hiring
- 6 years
- Senior level
- Communication skills
- Paid parental leave
- Health savings account
Quick Apply
10d
Java Lead Developer (Back End) - Contract to Hire Only
Fabergent —Fenton, MO
- Computer Science
- 5 years
- Bachelor of Science
Quick Apply
Senior Python Developer
ArchKey Solutions LLC —Fenton, MO
- Full-time
- Computer science
- Azure
- Computer Science
- Paid holidays
- Health insurance
Quick Apply
Sr Software Engineer - Backend
Augustine Institute Inc —Florissant, MO
- Full-time
- Office
- Bachelor's degree
- Experience equivalent to degree accepted
Quick Apply

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javascript developer jobs near o'fallon, mo

Entry-Level Software Developer

Leidos -
St. Louis, MO

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Job Details

Full-time
$57,850 - $104,575 a year
1 day ago

Qualifications

Web development
Writing skills
Bachelor's degree
Web applications
TS/SCI with Polygraph

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 for 6 month – temporary to permanent hire position. 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

Primary responsibilities will involve building software coding knowledge providing the system administration and modification of existing GOTS code to integrate open-source software solutions for display in a web application.
This role will work with programming languages to include C#/Java and JavaScript/TypeScript, Python, Shell scripting.
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 applications through iteration/functionality utilizing Atlassian (Jira/Confluence).
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 and 0+ years of prior relevant experience.
Experience with JavaScript, Python, or C# development framework.
Experience of working with web-enabled applications.
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.
US Citizenship required.
Ability to obtain and maintain a TS/SCI with Polygraph clearance.

Preferred Qualifications

0+ year of experience working in a government cloud environment.
0+ years of experience with DOD software requirements.
AWS Solutions or DevOps certification.
Team Collaboration tools (Jira, Confluence).
Active TS/SCI with Polygraph clearance.
DOD 8570 Compliant Certification (Sec+).

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:

June 5, 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

javascript developer jobs in o'fallon, mo

Entry-Level Software Developer

Dynamics Developer- St. Louis

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Senior Software Engineer

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Lead C#.net Developer - Hybrid!

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Lead Application Developer

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