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Javascript Backend Developer Jobs in Jacksonville, FL

Avani Technology Solutions, Inc.

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 ...

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One Holdings, LLC

Salesforce Web Developer

FL · On-site

$170/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

System One

Salesforce Web Developer

Fernandina, FL · On-site

$51.50 - $68/hr

Collaborate with frontend and backend developers, Salesforce Administrators, QA Engineers, and ... Salesforce Sites * JavaScript / TypeScript * HTML / CSS / SLDS * Responsive Web Development

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Showing results 21-40

All JobsJavascript Backend Developer JobsJavascript Backend Developer Jobs in Jacksonville, FL

Javascript Backend Developer information

See Jacksonville, FL salary details

$11

$53

$78

How much do javascript backend developer jobs pay per hour?

As of Sep 8, 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.

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 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:

Javascript Backend Developer jobs near you
Infographic showing various Javascript Backend Developer job openings in Jacksonville, FL as of August 2026, with employment types broken down into 87% Full Time, and 13% Contract. Highlights an 87% In-person, and 13% Remote job distribution, with an average salary of $111,268 per year, or $53.5 per hour.

Information Technology_USA - USA_Developer

Real Soft, Inc.

Jacksonville, FL • On-site

$52.25 - $65/hr

Contractor

Re-posted 7 days ago

Job description

2 Candidate Submittal Slots, New High Level Policy
MSP Owner: Rob Finton
Location: Miami, FL - REMOTE
Duration: 6 months
skill id: 10807619
Competencies: 8-10+ years experience required
ORACLE SQL
PL/SQL
U.S.Citizen/GC Only
Essential Skills:
Strong knowledge and experience in Oracle APEX development
Experience in Oracle PLSQL (packages, functions, Collections etc..), REST web services creation and consumption, JSON parsing and building,
Must-Have
Strong expertise in Oracle PLSQL
Oracle APEX (version 20.x or above preferred)
Proficient in SQL tuning and database performance optimization
REST APIs Web Services integration
HTML, CSS, JavaScript (for APEX customization)
Experience with Oracle Database (11g12c19c or higher)
Deployment and release management
Debugging and troubleshooting production issues
Good-to-Have
Understanding of Agile methodologies.
Experience using TOAD, SQL Developer
Responsibility of Expectations from the Role:
1 Should be able to understand and convert business requirement into technical design
2 Develop, test and deploy plsql components in accordance with customer schedule
3 Role required working directly with customer
4 Excellent interpersonal, written and verbal communication skills
Details of The Project:
We are seeking a highly skilled Oracle PLSQL Oracle APEX Developer with strong application support (basis) capabilities.
The candidate will be responsible for designing, developing, maintaining, and supporting Oracle-based applications, with a focus on Oracle APEX front-end development and PLSQL backend programming, while ensuring system reliability, performance, and scalability.
This role combines development support optimization, requiring a strong technical foundation in Oracle technologies along with the ability to handle production-level responsibilities (Basissupport).
Desirable Skills:
Strong knowledge and experience in Oracle APEX development
Experience in Oracle PLSQL (packages, functions, Collections etc..), REST web services creation and consumption, JSON parsing and building,
Good-to-Have - Oracle Ebusiness suite basics, Project Code :

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