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Javascript Backend Developer Jobs in Missouri (NOW HIRING)

Palnar

Sr. Java Full Stack Developer

O Fallon, MO · On-site

$49 - $63.25/hr

Deep understanding of JavaScript and it's benefits and quirks. Proven experience building ADA and ... development Backend Skills Java 17 Spring Boot 3.x SQL / Hibernate / JPA Data Structure ...

Fabergent

C# Developer (Jr and Sr Roles)

Saint Louis, MO

$53 - $70/hr

HTML5 and Angular JS or similar JavaScript libraries Strong knowledge of object-oriented ... NET Experience with Entity Framework Experience with using SQL Server as a backend preferred Must ...

Walmart

Javascript Senior Software Engineer

Noel, MO · On-site

$90K - $180K/yr

The SSO Engineering team develops scalable identity services that provide seamless and secure ... Build secure RESTful APIs and backend services using Java, Go, or Python, and integrate with ...

Walmart

Javascript Senior Software Engineer

Noel, MO

$90K - $180K/yr

Architect scalable, universally available backend systems that process and validate security ... As a Senior software engineer, experience in building scalable, resilient, secure enterprise ...

Walmart

Javascript Senior Software Engineer

Anderson, MO · On-site

$90K - $180K/yr

Architect scalable, universally available backend systems that process and validate security ... As a Senior software engineer, experience in building scalable, resilient, secure enterprise ...

The Timberline Group

Angular .Net Developer

Saint Louis, MO · On-site

$53.25 - $65.25/hr

The role is full stack, so the candidate should have good experience on both front and back end ... Proficient in HTML5, JavaScript, and CSS. User interface and graphic design skills. Source code ...

Jobgether

$94K - $130K/yr

... developer-facing product. You will work closely with Product and Backend Engineering teams to ... modern JavaScript frameworks. * Expert-level proficiency in React and its ecosystem. * Proven ...

The Timberline Group

Angular .Net Developer

Saint Louis, MO · On-site

$53.25 - $65.25/hr

The role is full stack, so the candidate should have good experience on both front and back end ... NET work experience. • Proficient in HTML5, JavaScript, and CSS. • User interface and graphic ...

Yuno

Collaborate with backend and mobile teams to ensure SDK consistency across platforms. * Maintain ... Strong knowledge of JavaScript, React, Node, CSS, Git, NPM * Demonstrated knowledge using unit ...

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All JobsJavascript Backend Developer JobsJavascript Backend Developer Jobs in Missouri

Javascript Backend Developer information

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$11

$54

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How much do javascript backend developer jobs pay per hour?

As of Jun 18, 2026, the average hourly pay for javascript backend developer in Missouri is $54.15, according to ZipRecruiter salary data. Most workers in this role earn between $44.42 and $64.04 per hour, depending on experience, location, and employer.

What does a JavaScript Backend Developer do?

A JavaScript Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs that power web applications. They use JavaScript, often with frameworks like Node.js, to process requests, manage data, and ensure smooth communication between the frontend and backend of an application. Their work ensures that web applications are scalable, secure, and efficient. JavaScript Backend Developers also collaborate with frontend developers and other team members to deliver seamless user experiences.

Which pays more, JavaScript or Python?

For a JavaScript Backend Developer, Python developers often have higher average salaries due to demand in data science, machine learning, and backend development. However, salary differences depend on experience, location, and industry, with both skills being highly valued in tech roles.

What are the key skills and qualifications needed to thrive as a Javascript Backend Developer, and why are they important?

To thrive as a Javascript Backend Developer, you need strong proficiency in JavaScript (especially Node.js), knowledge of backend frameworks, and a solid understanding of databases such as MongoDB or PostgreSQL. Familiarity with development tools like Git, RESTful APIs, Docker, and cloud platforms, as well as relevant certifications, is highly valuable. Excellent problem-solving, teamwork, and communication skills help you collaborate effectively and deliver robust solutions. These abilities are crucial for building scalable, secure, and maintainable backend services that power modern applications.

Can I learn backend in 6 months?

A JavaScript Backend Developer can acquire foundational backend skills in about 6 months with consistent study, focusing on server-side frameworks like Node.js, databases, and APIs. However, mastering complex systems and gaining real-world experience typically requires ongoing learning beyond this timeframe.

What are the typical challenges a JavaScript Backend Developer faces when scaling applications for high traffic?

JavaScript Backend Developers, especially those working with Node.js, often encounter challenges related to handling high concurrency, optimizing database queries, and maintaining application performance under heavy load. Ensuring efficient memory management and implementing robust error handling are also critical when scaling. Working closely with DevOps and frontend teams to optimize APIs and monitor system health is essential for delivering reliable, scalable backend solutions.

What is the difference between Javascript Backend Developer vs Javascript Frontend Developer?

AspectJavascript Backend DeveloperJavascript Frontend Developer
Primary FocusServer-side development, APIs, databasesUser interface, client-side interactions
Required SkillsNode.js, databases, server managementHTML, CSS, JavaScript, UI frameworks
Work EnvironmentBack-end servers, cloud platformsWeb browsers, client devices
Common UsageBuilding APIs, server logicDesigning web pages, user experience

The main difference between a Javascript Backend Developer and a Javascript Frontend Developer lies in their focus areas. Backend developers handle server-side logic, databases, and APIs, while frontend developers focus on creating engaging user interfaces and client-side interactions. Both roles require JavaScript skills but apply them in different parts of web development projects.

Is JavaScript good for backend development?

JavaScript is widely used for backend development through environments like Node.js, allowing developers to build scalable server-side applications using a single language. It offers a large ecosystem of libraries and frameworks, making it a popular choice for full-stack developers. Knowledge of asynchronous programming and server management is beneficial for backend roles involving JavaScript.

What is the salary of a JavaScript beginner?

The salary of a JavaScript beginner typically ranges from $50,000 to $70,000 annually, depending on location, education, and prior experience. Entry-level JavaScript developers often start with basic skills in front-end or back-end frameworks and may earn less in regions with lower living costs.
What are popular job titles related to Javascript Backend Developer jobs in Missouri? For Javascript Backend Developer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Javascript Backend Developer jobs in Missouri look for? The top searched job categories for Javascript Backend Developer jobs in Missouri are:
Javascript Backend Developer jobs near you
Infographic showing various Javascript Backend Developer job openings in Missouri as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $112,641 per year, or $54.2 per hour.

Senior Software Developer

The Timberline Group

Saint Louis, MO • On-site

$53 - $70/hr

Other

Posted 16 days ago

Job description

Senior Software Developer(s) to design custom software solutions based on client requirements. This position will have a lead role in the development and enhancements of a large data management system. This will be an ongoing effort to replace and support the data management system as needs change by utilizing written Visual Basic with Java services and an Angular user interface. Individuals will apply advanced theoretical knowledge of computer science principles and concepts to perform the duties of the position. Job responsibilities and duties include:

1. Analyze and develop complex solutions based on this customer's needs.
2. Develop technical documentation.
3. Design screen layouts for high productivity.
4. Develop data management system user interface Angular, Ricola and JavaScript (including JSP, XML, HTML, and associated technologies) in an n-tier development environment.
5. Use GIT and SVN version control systems for code management.
6. Develop controls that call Rest based services to access back-end functionality.
7. Attend daily scrums.
8. Implement automated and manual code review and testing using state of the art quality control and testing processes.

This position has no direct reports and does not supervise the work of any other employees.

Minimum Requirements:
Master's degree in Computer Science, Information Technology, Software or Computer Engineering, or any related IT or Engineering field of study plus at least two (2) years of experience in the job offered or in any related position(s) in which the required experience was gained.

Qualified applicants must also have demonstrable proficiency, skill, experience, and knowledge with the following:

1. Demonstrated knowledge in object-oriented application development principles, theories, and concepts.
2. Development experience in Angular, JavaScript, XML, HTML, CSS, and associated technologies.
3. N-tier development environment.
4. Demonstrated experience working with end users to resolve business and technical issues with software.
5. Demonstrated experience analyzing complex business problems and translating to user interface designs.
6. Experience interfacing with REST & Web Services
7. Node.js or React.js

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