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Javascript Backend Developer Jobs in Missouri (NOW HIRING)

Build-A-Bear Workshop

Developer

Saint Louis, MO · On-site

... front-end & back-end • Perform debugging, troubleshooting, and root cause analysis for ... SQL, PostgreSQL) • Proficiency working with HTML, CSS, & JavaScript frameworks (eg. React) • ...

Walmart

Javascript Senior Software Engineer

Cassville, 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 ...

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 ...

Walmart

Javascript Senior Software Engineer

Anderson, 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 · 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 ...

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 ...

Jobtailor

Senior Engineer

California, MO · On-site

$150 - $190/hr

... backend services with .NET or Java frameworks, and efficient data management using SQL and NoSQL ... Strong proficiency in front-end technologies, including HTML5, CSS3, JavaScript (ES6+), ReactJS ...

Jobgether

... JavaScript or TypeScript. * Experience building backend services using Python, Node.js, or both ... Understanding of software engineering principles including modularity, maintainability, security ...

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 ...

Walmart

Javascript Senior Software Engineer

Noel, 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 ...

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Javascript Backend Developer information

See Missouri salary details

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$54

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How much do javascript backend developer jobs pay per hour?

As of Aug 17, 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.

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.

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.

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:

What cities in Missouri are hiring for Javascript Backend Developer jobs?

Cities in Missouri with the most Javascript Backend Developer job openings:

Javascript Backend Developer jobs near you
Infographic showing various Javascript Backend Developer job openings in Missouri as of August 2026, with employment types broken down into 84% Full Time, 2% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $112,641 per year, or $54.2 per hour.

Developer

Build-A-Bear Retail Management, Inc.

Saint Louis, MO • On-site

Full-time

Re-posted yesterday

Job description

As a Developer, you will play a pivotal role in transforming business needs into innovative, scalable software solutions. In this hands-on, individual contributor role, you’ll drive the software development lifecycle—from understanding requirements and designing elegant solutions to coding, testing, documenting, & deploying high-quality applications. A passionate problem solver, this role performs with commitment to technical excellence and the ability to meet business goals with reliable solutions.

RESPONSIBILITIES:
• Design, develop, test, and deploy scalable web & enterprise applications across the full stack; front-end & back-end
• Perform debugging, troubleshooting, and root cause analysis for production issues
• Collaborate with product owners, business stakeholders, and cross-functional IT teams to translate requirements into technical solutions
• Provide Tier-2 support and track down issues with existing software solutions.
• Write & maintain technical documentation for applications, APIs, and processes
• Other duties as assigned by management

REQUIRED QUALIFICATIONS:
• Bachelor’s Degree in Computer Science, Software Engineering, or other related fields OR equivalent experience
• A minimum of 5-7 years of experience working in a software development role
• Proficient in full-stack development (front-end & back-end technologies)
• Proficient in developing applications using object-oriented programming (OOP) languages (eg., C#, Java, or similar)
• Proficiency working with relational databases ( eg. SQL, PostgreSQL)
• Proficiency working with HTML, CSS, & JavaScript frameworks (eg. React)
• Skilled in RESTful API development & integration
• Skilled with version control systems (Git) & Agile Development methodologies (Scrum, Kanban)
• Strong problem-solving, debugging, and analytical skills

PREFERRED QUALIFICATIONS:
• Experience with cloud platforms (Azure, AWS)
• Experience with CI/CD pipelines and DevOps practices
• Exposure to microservices architecture and distributed systems
• Prior experience supporting production systems and Tier 2 supports

BEHAVIORAL TRAITS FOR SUCCESS:
• Adaptable to changes in pace
• Data-driven and analytical
• Innovative & self-motivated
• Disciplined; Strong independence & responsibility for own work
• Meticulous attention to detail
• Values challenge & opportunities to showcase creative problem solving
• Enjoys expressing & implementing their own ideas
• Comfortable with conflict & challenge
• Technical problem-solving and ingenuity while working within approved organizational systems and technology

WORKING ENVIRONMENT:
• Typical office environment with climate control and sufficient lighting, ergonomic desk/chairs
• Corporate Office located in St. Louis, MO
• Lifting/Standing, etc.

YOUR PERFORMANCE WILL BE MEASURED ON:
Your performance will be measured by your ability to achieve annual department objectives and corporate goals, which include but are not limited to the following.
• Decision-making, judgment, and execution
• Commitment to technical excellence
• Accuracy and efficiency
• Innovative and scalable software solutions
• Successful software development lifecycles
• Ability to design elegant solutions that meet business goals
• Able to communicate complex issues in a clear and concise manner
• Deadlines, Accuracy, and Quality
• Stakeholder Feedback

Apply