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Javascript Backend Developer Jobs in Jacksonville, FL

As a Lead Software Engineer with strong back-end expertise, you'll start your day aligning with ... Some front-end exposure (JavaScript/TypeScript, React) to support end-to-end coordination

Work with technologies such as Java, Javascript and Typescript, RESTful API integrations ... A degree in Computer Science, Software Engineering, or a related field is preferred. * Strong ...

Developer

Jacksonville, FL · On-site

$47.25 - $61.25/hr

A heads-down developer strong at execution will not fulfill this need." ADDITIONAL DETAILS: Project ... back-end databases • Working knowledge of Front-End technologies, including HTML and Javascript ...

Software developers for this JavaScript application develop back-end components, connect the application with the other web services, and support the front-end developers by integrating their work ...

Software developers for this JavaScript application develop back-end components, connect the application with the other web services, and support the front-end developers by integrating their work ...

Software developers for this JavaScript application develop back-end components, connect the application with the other web services, and support the front-end developers by integrating their work ...

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Javascript Backend Developer information

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$53

$78

How much do javascript backend developer jobs pay per hour?

As of Jul 24, 2026, the average hourly pay for javascript backend developer in Jacksonville, FL is $53.49, according to ZipRecruiter salary data. Most workers in this role earn between $43.89 and $63.27 per hour, depending on experience, location, and employer.

Can I learn backend in 3 months?

A JavaScript Backend Developer can acquire foundational backend skills in about three months with focused study, including learning Node.js, databases, and APIs. However, becoming proficient and gaining job-ready experience typically requires ongoing practice and real-world project work beyond this timeframe.

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 is JavaScript salary?

The salary for a JavaScript Backend Developer varies based on experience, location, and company size, but typically ranges from $70,000 to $120,000 annually in many regions. Skilled developers with knowledge of frameworks like Node.js and experience with cloud services tend to earn higher salaries. Entry-level positions may start lower, while senior roles can exceed $150,000.

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, especially with environments like Node.js, which allows developers to build scalable server-side applications using the same language as frontend development. It offers a large ecosystem of libraries and frameworks, making it a popular choice for full-stack developers and backend roles requiring proficiency in JavaScript. Knowledge of asynchronous programming and server management is beneficial for backend JavaScript development.

Are JavaScript developers in demand?

JavaScript developers are in high demand due to the widespread use of JavaScript for web development, both on the client and server sides with frameworks like Node.js. Companies seek developers skilled in JavaScript, front-end frameworks, and related tools to build dynamic, responsive applications, making it a valuable skill in the tech industry.
What are popular job titles related to Javascript Backend Developer jobs in Jacksonville, FL? For Javascript Backend Developer jobs in Jacksonville, FL, the most frequently searched job titles are:
What job categories do people searching Javascript Backend Developer jobs in Jacksonville, FL look for? The top searched job categories for Javascript Backend Developer jobs in Jacksonville, FL are:
What cities near Jacksonville, FL are hiring for Javascript Backend Developer jobs? Cities near Jacksonville, FL with the most Javascript Backend Developer job openings:
Infographic showing various Javascript Backend Developer job openings in Jacksonville, FL as of July 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 83% Physical, 3% Hybrid, and 14% Remote job distribution, with an average salary of $111,268 per year, or $53.5 per hour.
Information Technology_USA - USA_Developer

Information Technology_USA - USA_Developer

Real Soft, Inc.

Jacksonville, FL • On-site

Contractor

Posted 2 days ago


Job description

**Please strictly adhere to the following resume naming convention:
ALL CAPS, NO SPACES B/T UNDERSCORES
PTN_US_GBAMSREQID_CandidateBeelineID
i.e. PTN_US_9999999_SKIPJOHNSON0413
MSP Owner: Andres Villegas
Location: 6565 Headquarters Drive , Plano , Texas 75024. 8AM - 5PM or 9AM - 6 PM. 100% onsite.
Duration: 6 months
skill id: 10704588
Role Descriptions: Job descriptionMin 5-year exp. in React Native Mobile App developmentHands on experience working with React Native| Redux| Jest| Axios| Expo etc.Hands on experience working with ReactJS| NextJS| NodeJSHave strong expertise with HTML| CSS| and writing cross-browser compatible code.Expert in at-least iOS native or Android nativeProficiency with JavaScript| HTML5 and CSS3Experience with integrating RESTful API on UI.Experience SDK integrationsUnderstanding of the platform| database| API| caching layer| proxiesExperience working with Jest for Unit testing.Experience in performance tuning of UI application.Experience in making design and technical decisions for Native Mobile ApplicationsKnowledge in writing ADA compliant code. Knowledge in CICD Tools and DevOps pipelineCoordinating with the back-end developer in the process of building the RESTful APICoordinating with UX designer for UX design clarificationCoordinating Business Analyst| QA and Product owners for requirement clarification and QA supportProficiency with JavaScript| HTML5 and CSS3Proficient with CSS-preprocessor e.g. SASSHands on Experience in CSS frameworks e.g. BootstrapExperience with integrating RESTful services.Experience in developing responsive UI design to support multiple view port.Thorough understanding of the responsibilities of the platform| database| API| caching layer| proxiesExperience working with testing frameworks Jasmine| Karma etc.Experience in building scalable application.Experience in performance tuning of UI application.Experience in making design and technical decisions for ReactJSNextJS application.Experience in writing ADA compliant HTML code. Experience in Search Engine Optimization and writing Search Engine Optimized code.Delivering a complete front-end applicationKnowledge in CDN(CloudFront)| CMS(AEM)| AWS EKS systemKnowledge in CICD Tools and DevOPSCoordinating with the back-end developer in the process of building the RESTful APICoordinating with UX designer| Business Analyst| Product owners
Essential Skills: Job descriptionMin 5-year exp. in React Native Mobile App developmentHands on experience working with React Native| Redux| Jest| Axios| Expo etc.Hands on experience working with ReactJS| NextJS| NodeJSHave strong expertise with HTML| CSS| and writing cross-browser compatible code.Expert in at-least iOS native or Android nativeProficiency with JavaScript| HTML5 and CSS3Experience with integrating RESTful API on UI.Experience SDK integrationsUnderstanding of the platform| database| API| caching layer| proxiesExperience working with Jest for Unit testing.Experience in performance tuning of UI application.Experience in making design and technical decisions for Native Mobile ApplicationsKnowledge in writing ADA compliant code. Knowledge in CICD Tools and DevOps pipelineCoordinating with the back-end developer in the process of building the RESTful APICoordinating with UX designer for UX design clarificationCoordinating Business Analyst| QA and Product owners for requirement clarification and QA supportProficiency with JavaScript| HTML5 and CSS3Proficient with CSS-preprocessor e.g. SASSHands on Experience in CSS frameworks e.g. BootstrapExperience with integrating RESTful services.Experience in developing responsive UI design to support multiple view port.Thorough understanding of the responsibilities of the platform| database| API| caching layer| proxiesExperience working with testing frameworks Jasmine| Karma etc.Experience in building scalable application.Experience in performance tuning of UI application.Experience in making design and technical decisions for ReactJSNextJS application.Experience in writing ADA compliant HTML code. Experience in Search Engine Optimization and writing Search Engine Optimized code.Delivering a complete front-end applicationKnowledge in CDN(CloudFront)| CMS(AEM)| AWS EKS systemKnowledge in CICD Tools and DevOPSCoordinating with the back-end developer in the process of building the RES
Top 3 Required Skills:
• Min 5-year exp. in React Native Mobile App development
• Hands on experience working with React Native, Redux, Jest, Axios, Expo etc.
• Hands on experience working with ReactJS, NextJS, NodeJS
• Have strong expertise with HTML, CSS, and writing cross-browser compatible code.
• Expert in at-least iOS native or Android native
• Proficiency with JavaScript, HTML5 and CSS3
• Experience with integrating RESTful API on UI.
Experience SDK integrations
• Understanding of the platform, database, API, caching layer, proxies
• Experience working with Jest for Unit testing.
• Experience in performance tuning of UI application.
• Experience in making design and technical decisions for Native Mobile Applications
• Knowledge in writing ADA compliant code.
• Knowledge in CI/CD Tools and DevOps pipeline
• Coordinating with the back-end developer in the process of building the RESTful API
• Coordinating with UX designer for UX design clarification
• Coordinating Business Analyst, QA and Product owners for requirement clarification and QA support
• Proficiency with JavaScript, HTML5 and CSS3
• Proficient with CSS-preprocessor e.g. SASS
• Hands on Experience in CSS frameworks e.g. Bootstrap
• Experience with integrating RESTful services.
• Experience in developing responsive UI design to support multiple view port.
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies
• Experience working with testing frameworks Jasmine, Karma etc.
• Experience in building scalable application.
• Experience in performance tuning of UI application.
• Experience in making design and technical decisions for ReactJS/NextJS application.
• Experience in writing ADA compliant HTML code.
• Experience in Search Engine Optimization and writing Search Engine Optimized code.
• Delivering a complete front-end application
• Knowledge in CDN(CloudFront), CMS(AEM), AWS EKS system
• Knowledge in CI/CD Tools and DevOPS
• Coordinating with the back-end developer in the process of building the RESTful API
• Coordinating with UX designer, Business Analyst, Product owners
Top 3 Preferred Skills:
• Min 5-year exp. in React Native Mobile App development
• Hands on experience working with React Native, Redux, Jest, Axios, Expo etc.
• Hands on experience working with ReactJS, NextJS, NodeJS
• Have strong expertise with HTML, CSS, and writing cross-browser compatible code.
• Expert in at-least iOS native or Android native
• Proficiency with JavaScript, HTML5 and CSS3
• Experience with integrating RESTful API on UI.
Experience SDK integrations
• Understanding of the platform, database, API, caching layer, proxies
• Experience working with Jest for Unit testing.
• Experience in performance tuning of UI application.
• Experience in making design and technical decisions for Native Mobile Applications
• Knowledge in writing ADA compliant code.
• Knowledge in CI/CD Tools and DevOps pipeline
• Coordinating with the back-end developer in the process of building the RESTful API
• Coordinating with UX designer for UX design clarification
• Coordinating Business Analyst, QA and Product owners for requirement clarification and QA support
• Proficiency with JavaScript, HTML5 and CSS3
• Proficient with CSS-preprocessor e.g. SASS
• Hands on Experience in CSS frameworks e.g. Bootstrap
• Experience with integrating RESTful services.
• Experience in developing responsive UI design to support multiple view port.
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies
• Experience working with testing frameworks Jasmine, Karma etc.
• Experience in building scalable application.
• Experience in performance tuning of UI application.
• Experience in making design and technical decisions for ReactJS/NextJS application.
• Experience in writing ADA compliant HTML code.
• Experience in Search Engine Optimization and writing Search Engine Optimized code.
• Delivering a complete front-end application
• Knowledge in CDN(CloudFront), CMS(AEM), AWS EKS system
• Knowledge in CI/CD Tools and DevOPS
• Coordinating with the back-end developer in the process of building the RESTful API
• Coordinating with UX designer, Business Analyst, Product owners
• Education Requirements: Bachelors in Computer Science or other related field
• Years of Experience: 5 years, Project Code :