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Javascript Developer Jobs in O'Fallon, IL, US

96 javascript developer jobs from 41 companies hiring in O'Fallon, IL, US.

All jobs in O'Fallon, IL, USJavascript Developer Jobs in United States
Nearby:Shiloh·Fairview Heights·Belleville·Collinsville·Swansea·St. Louis·Glen Carbon·Granite City·Troy·Edwardsville·Cahokia·Maryville·Mascoutah·University City·Spanish Lake·Lebanon·Oakville·Mehlville·Scott Air Force Base
96 jobs- O'Fallon • 50 miles
4d
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Test Systems Engineer
Saint Louis, Missouri, United States
$86k-$138k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
6+ YOEBachelor's degree or 6+ years in Engineering/CS; 6+ years test management; experience with traditional, Agile, and DevOps; TS/SCI with poly.
JMeter, Jenkins, Docker, Postman, Swagger, Nexus, Apigee, GitHub/GitLab, Java, Bash, Curl, XML, JSON, SQL, Python, JavaScript, AWS, C2S
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2mo
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Information Protection Advisor
St. Louis or Bloomfield or Philadelphia
OnsiteFull Time
The Cigna Group
The Cigna GroupNYSE: CI: Provides global health insurance and pharmacy benefit management services.
7+ YOE7+ years in application development; Node.js/JavaScript, Python, RESTful APIs, Oracle, MySQL; Linux, shell scripting; architecture discussions; strong problem solving and collaboration.
Node.js, JavaScript, Python, REST, Oracle, MySQL, Linux, Shell scripting, Docker, Jenkins, Okta
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2mo
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Senior Solutions Engineer, Majors - Kansas City, MO or St. Louis, MO
Kansas City or St. Louis
OnsiteFull Time
Cloudflare
CloudflareNew York Stock Exchange: NET: Secures and accelerates websites and internet-connected applications.
Enterprise solution engineering: security, networking, cloud, and sales support; build relationships with executives; design solutions; proficiency in cloud platforms and scripting; knowledge of security standards.
AWS, GCP, Azure, DNS, TLS, WAF, DDoS, SD-WAN, BGP, HTTP, Python, JavaScript, Golang, Bash
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2w
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Software Engineering Intern (Time-Limited/Remote) - WashU IT
Clayton, Missouri, United States
RemoteFull Time
Washington University in St. Louis
Washington University in St. Louis: Providing higher education and conducting advanced academic research.
No required degree or prior work experience; strong interest in software development and HPC; willingness to learn and follow best practices; ability to work in a remote setting.
Git, Python, C++, JavaScript, Docker, Singularity/Apptainer, APIs, Linux environments, PyTorch, scikit-learn, TensorFlow
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1mo
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IT Internship
Chesterfield, Missouri, United States
OnsiteInternship
Opaa! Food Management
Opaa! Food Management: Provides nutritional food service management to K-12 school districts.
Pursuing Bachelor's in CS or related field; interest in automation, development, data analytics; familiar with JavaScript, SQL, REST APIs, Python or PowerShell, HTML/CSS; strong problem solving and communication.
Zoho Creator, Microsoft 365, SQL, REST APIs, Python, PowerShell, JavaScript, HTML/CSS
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HiringCafe market data

Javascript Developer Jobs market signals in O'Fallon, IL, US

These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.

Open jobs
96
Hiring companies
41
Fresh sample
50% new in 30d
Salary visibility
33% show pay

Companies appearing in this market

Washington University in St. LouisCloudflareOpaa! Food ManagementPeratonThe Cigna Group

Work location mix in visible results

Onsite: 5Remote: 1

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