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Junior Javascript Developer Jobs in Jacksonville, FL

Kavaliro

Junior Web Developer

Jacksonville, FL · On-site

Kavaliro is hiring a Junior Web Developer for a local Jacksonville client. In this role, you'll ... Working knowledge of technologies such as Angular, JavaScript, TypeScript, SQL, XML, Python, C#, UI ...

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Junior Javascript Developer information

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$22.2K

$82.4K

$127.4K

How much do junior javascript developer jobs pay per year?

As of Aug 24, 2026, the average yearly pay for junior javascript developer in Jacksonville, FL is $82,442.00, according to ZipRecruiter salary data. Most workers in this role earn between $62,100.00 and $80,600.00 per year, depending on experience, location, and employer.

What is a junior JavaScript developer?

A Junior JavaScript Developer is an entry-level programmer who specializes in using JavaScript to build web applications, websites, and front-end interfaces. They work under the guidance of senior developers to implement interactive features, troubleshoot issues, and improve functionality. Their responsibilities may include writing clean code, debugging, collaborating with designers, and learning new technologies. Typically, they are expected to have a basic understanding of JavaScript, HTML, CSS, and frameworks like React or Vue.js. This role is ideal for those starting their career in web development and looking to gain hands-on experience in a professional setting.

What are the typical daily responsibilities of a junior JavaScript developer?

As a Junior Javascript Developer, your day-to-day tasks often include writing and testing JavaScript code, fixing bugs, maintaining existing web applications, and collaborating on new features under the guidance of senior developers. You'll likely work closely with designers, backend developers, and QA testers to ensure seamless user experiences. Regularly attending team meetings, participating in code reviews, and updating documentation are also common. This collaborative and supportive environment is designed to help you develop your technical skills while contributing to real projects.

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

To thrive as a Junior Javascript Developer, you need a solid understanding of JavaScript fundamentals, HTML, CSS, and basic web development concepts, often supported by a relevant degree or coding bootcamp completion. Familiarity with tools such as version control systems (like Git), browser developer tools, and frameworks like React or Node.js is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help you stand out in this position. These attributes are crucial for efficiently developing and maintaining web applications, collaborating with team members, and adapting to evolving project requirements.

What are the most commonly searched types of Javascript Developer jobs in Jacksonville, FL?

The most popular types of Javascript Developer jobs in Jacksonville, FL are:

What are popular job titles related to Junior Javascript Developer jobs in Jacksonville, FL?

For Junior Javascript Developer jobs in Jacksonville, FL, the most frequently searched job titles are:

What job categories do people searching Junior Javascript Developer jobs in Jacksonville, FL look for?

The top searched job categories for Junior Javascript Developer jobs in Jacksonville, FL are:

What cities near Jacksonville, FL are hiring for Junior Javascript Developer jobs?

Cities near Jacksonville, FL with the most Junior Javascript Developer job openings:

Junior Javascript Developer jobs near you
Infographic showing various Junior Javascript Developer job openings in Jacksonville, FL as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $82,442 per year, or $39.6 per hour.

Junior Web Developer

Kavaliro

Jacksonville, FL • On-site

Full-time

Re-posted yesterday

Job description

Job Description
Kavaliro is hiring a Junior Web Developer for a local Jacksonville client. In this role, you'll focus on developing and enhancing the adaptive web interface for a rail simulation analysis platform. It's a fast-moving environment with plenty of opportunities to learn, contribute meaningfully, and see your work directly impact a production system used by real-world clients.
What You'll Be Working On
  • Build and refine a modular, component-based web interface using Angular.
  • Develop a responsive, touch-friendly frontend experience that works seamlessly across Windows and Apple platforms.
  • Create interactive UI features such as drag-and-drop components, web-based mapping, and other dynamic interfaces that improve usability and visual appeal.
  • Deploy frontend applications to Microsoft Azure and manage integrations with multiple backend APIs and data sources.
  • Design and implement data visualizations and reporting tools based on simulation results and log data.
  • Troubleshoot, debug, and maintain the codebase using Microsoft Visual Studio.
  • Participate in installation, testing, validation, and issue resolution alongside internal teams and clients.
  • Deliver software updates and support clients through deployment and verification.
  • Proactively suggest improvements to workflows, performance, and overall development efficiency.
Minimum Qualifications
  • At least 2 years of frontend- or UI-focused web development experience using HTML5, CSS3, JavaScript/TypeScript, and Angular.
  • Bachelor's degree in Computer Science or a related technical field, plus 1+ years of professional web development experience.
  • Experience building web-based reports and data visualizations in an Azure cloud environment with multiple data sources.
  • Hands-on experience designing and presenting UI/UX concepts and graphical interfaces for client-facing applications.
  • Familiarity with consuming RESTful APIs and integrating data into frontend applications.
  • Strong debugging, troubleshooting, and object-oriented programming skills.
  • Clear written and verbal communication skills.
  • Self-starter mindset with the ability to work independently and manage priorities.
  • Quick learner who enjoys picking up new tools, technologies, and concepts.
  • Creative problem solver who's comfortable thinking beyond standard solutions.
  • Authorized to work in the United States.
Desired Skills & Experience
  • Working knowledge of technologies such as Angular, JavaScript, TypeScript, SQL, XML, Python, C#, UI scripting, and batch scripting.
  • Experience with API and web service integration.
  • Familiarity with GIS data or mapping technologies.
  • Background in report generation (scheduled and on-demand).
  • Experience using Kanban-style tools such as Trello or Jira.
  • Comfortable multitasking in a fast-paced development environment.
  • Strong technical writing and communication skills in English.
  • Exposure to modeling and simulation concepts or the railway industry is a plus.
  • Leadership experience or interest in mentoring teammates.
  • Confidence working within large, complex codebases.
  • Understanding of applied engineering math concepts such as force, acceleration, friction, momentum, and power.

?Kavaliro provides Equal Employment Opportunities to all employees and applicants. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Kavaliro is committed to the full inclusion of all qualified individuals. In keeping with our commitment, Kavaliro will take the steps to assure that people with disabilities are provided reasonable accommodations. Accordingly, if reasonable accommodation is required to fully participate in the job application or interview process, to perform the essential functions of the position, and/or to receive all other benefits and privileges of employment, please respond to this posting to connect with a company representative.
Job Requirements
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By using best practices and optimal employee recruiting strategies, Kavaliro provides employers with employment solutions by providing the most qualified and professional employees, who can staff both project and permanent positions in order to ensure the ongoing success of all types of businesses. We use a streamlined-yet-thorough approach to staffing that saves our clients administrative time, resources and money.

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