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Internship Frontend Javascript Developer Jobs in Missouri

Jobgether

$88K - $116K/yr

The position combines hands-on engineering with close collaboration across teams and requires ... Strong foundation in pure JavaScript and extensive experience building modern frontend applications.

New

De Lage Landen International B.V.

$80K - $93K/yr

Front-End Developer As Front-End Developer, you will design, build, and deliver high-quality ... NodeJS, JavaScript (ES6+), TypeScript * State management (Redux, Vuex, NgRx, etc.) * Responsive UI, ...

Callaway Golf

Front End Developer

Cape Girardeau, MO · On-site

$100K - $116K/yr

Write clean, well-tested, maintainable TypeScript/JavaScript code and participate in peer code ... overall developer experience. * Stay current with emerging front-end technologies, AI-assisted ...

CACI

Full Stack Web Developer

Saint Louis, MO

Expert in HTML, CSS, JavaScript Familiarity with modern front-end JavaScript libraries or ... DevOps experience building GitLab CI/CD pipelines What We Can Offer You: We've been named a Best ...

Varsity Tutors

JavaScript Tutor

Columbia, MO · Remote

$40/hr

... web programming through advanced front-end and full-stack JavaScript development. * Effective ... Teaching Methods: Ability to identify concepts students commonly struggle with, explain material ...

Varsity Tutors

JavaScript Tutor

Saint Louis, MO · Remote

$40/hr

... web programming through advanced front-end and full-stack JavaScript development. * Effective ... Teaching Methods: Ability to identify concepts students commonly struggle with, explain material ...

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Senior JavaScript Full Stack Developer

Chesterfield, MO • On-site

Rose International
See more jobs at Rose Internationalexternal

Other

Posted 6 days ago

Job description

Date Posted: 09/03/2026
Hiring Organization: Rose International
Position Number: 506888
Industry: Biotech/Healthcare
Job Title: Senior JavaScript Full Stack Developer
Job Location: Chesterfield, MO, USA, 63005
Work Model: Hybrid
Work Model Details: Hybrid -3 days onsite and 2 days remote
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 6
Min Hourly Rate($): 65.00
Max Hourly Rate($): 75.00
Must Have Skills/Attributes: Full Stack, JavaScript, React.JS
Experience Desired: Experience in NodeJS (10 yrs); Exeprience in ReactJS (5 yrs); Experience in TypeScript (10 yrs); Exeprience in SQL queries (8 yrs)
Required Minimum Education: Bachelor's Degree
Preferred Education: Master's Degree
**C2C is not available**
Job Description
Required Education
Bachelor's degree in computer science or a similar technical field
Preferred Education
Master's degree in computer science, similar technical field
Required Experience:
A minimum of 10 years of experience
JavaScript - 10+ years
Nodejs - 10+ years
Reactjs - 5+ years
AWS - 4+ years
PostgreSQL - 5+ years
Job Overview:
5+ years of experience as a JavaScript full-stack developer
Strong experience in ReactJS, NodeJS, and TypeScript
Good programmer - able to write clean, maintainable, well-structured code, follow popular paradigms, good practices, and local guidelines.
Experience in Cloud (preferably AWS - Lambdas, S3, SQS, SNS, Kafka, Step Functions).
Experience with front-end web technologies (e.g., HTML5, CSS3, JavaScript)
Unit testing using Jest, react-testing-library
Experience building highly scalable REST APIs hosted on could environment
Strong Experience designing databases in PostgreSQL
Product-oriented - able to take a deep dive into the business domain, and partner with product experts to suggest improvements and pragmatic solutions
Experience in working in a product-oriented agile organization
Some flexibility to work with a global team across time zones
Problem-solving skills, proactivity, and being a team player
Willingness to learn, develop, & innovate
  • **Only those lawfully authorized to work in the designated country associated with the position will be considered.**

  • **Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client's business needs and requirements.**

Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.
California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.
Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.
If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.
Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).

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