ZipRecruiter

Log In

1

Senior Javascript Developer Jobs in Saint Louis, MO

Worky

Senior Software Developer

O Fallon, IL · On-site

$100 - $125/hr

Everforth ECS is seeking a Senior Software Developer to work in our O'Fallon, IL office. ECS ... Java, HTML5 technologies, Angular, Spring, RHEL, SQL, Oracle RDBMS, JavaScript, XML, Agile ...

B&A

PeopleSoft Senior Developer

Saint Louis, MO · On-site

Description PeopleSoft Senior Developer: At B&A, we foster and embrace a distinct set of values ... PeopleCode, COBOL 11, ASP, JavaScript, SQR, HTML Desired Skills: * AWS Certified Solutions ...

next page

Showing results 1-20

All JobsJavascript Developer JobsSenior Javascript Developer JobsSenior Javascript Developer Jobs in Saint Louis, MO

Senior Javascript Developer information

See Saint Louis, MO salary details

$29

$58

$77

How much do senior javascript developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for senior javascript developer in Saint Louis, MO is $58.62, according to ZipRecruiter salary data. Most workers in this role earn between $52.50 and $66.73 per hour, depending on experience, location, and employer.

What is a senior JavaScript developer?

A Senior JavaScript Developer is a highly experienced programmer specializing in JavaScript, including frameworks like React, Angular, or Node.js. They are responsible for designing, developing, and optimizing web applications, ensuring high performance and maintainability. Additionally, they provide technical leadership, mentor junior developers, and collaborate with cross-functional teams to deliver scalable solutions. Strong problem-solving skills, deep knowledge of JavaScript best practices, and experience with modern development tools are essential for this role.

What are the key skills and qualifications needed to thrive as a senior JavaScript developer?

To thrive as a Senior Javascript Developer, a strong command of JavaScript (including ES6+), advanced front-end frameworks (like React, Angular, or Vue), and back-end technologies (such as Node.js) are essential, along with several years of professional coding experience. Familiarity with version control systems (like Git), CI/CD pipelines, and relevant certifications (e.g., AWS Certified Developer or JavaScript certifications) is highly valued. Excellent problem-solving abilities, mentorship skills, and effective communication help developers collaborate and lead within cross-functional teams. These skills enable Senior Javascript Developers to build robust applications, guide junior team members, and drive innovation in fast-paced tech environments.

What are typical challenges faced by senior JavaScript developers in day-to-day work?

Senior Javascript Developers often encounter complex challenges such as optimizing web application performance, ensuring code scalability and maintainability, and integrating with diverse APIs and services. They are also expected to troubleshoot legacy code and address security vulnerabilities, all while keeping up with the rapidly evolving JavaScript ecosystem. Collaborating with designers, product managers, and junior developers can add layers of complexity to project requirements. However, overcoming these challenges is rewarding and provides opportunities to shape technical strategy and influence best practices within the team.

What are the most commonly searched types of Javascript Developer jobs in Saint Louis, MO?

The most popular types of Javascript Developer jobs in Saint Louis, MO are:

What are popular job titles related to Senior Javascript Developer jobs in Saint Louis, MO?

For Senior Javascript Developer jobs in Saint Louis, MO, the most frequently searched job titles are:

What job categories do people searching Senior Javascript Developer jobs in Saint Louis, MO look for?

The top searched job categories for Senior Javascript Developer jobs in Saint Louis, MO are:

What cities near Saint Louis, MO are hiring for Senior Javascript Developer jobs?

Cities near Saint Louis, MO with the most Senior Javascript Developer job openings:

Senior Javascript Developer jobs near you
Infographic showing various Senior Javascript Developer job openings in Saint Louis, MO as of August 2026, with employment types broken down into 79% Full Time, 6% Part Time, and 15% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $122,076 per year, or $58.7 per hour.

Senior JavaScript Full Stack Developer

Rose International

Chesterfield, MO • On-site

Other

Posted 3 days ago

New

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.).

Apply