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Junior Full Stack Software Developer Jobs in Jacksonville, FL

Kavaliro

Senior Fullstack Engineer

Jacksonville, FL · On-site

Kavaliro is seeking a Senior Full Stack Developer for our local Jacksonville client. n this role ... Develop and maintain simulation software across the stack, with a primary focus on backend systems ...

Fortegra

Senior Full Stack AI Engineer

Jacksonville, FL · On-site

$110K - $190K/yr

Evaluate and integrate emerging AI developer tools. Rapid Prototyping and Product Development ... Partner with business stakeholders to transform ideas into working software. * Develop prototypes ...

ARC Group

(Full stack) Java/react Developer

Jacksonville, FL · Remote

$48.75 - $62.75/hr

(Full stack) Java/react Developer - Remote ARC Group has an immediate opportunity for a(Full stack) Java/react Developer! This position is 100% remote. This is starting out as a contract position ...

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Showing results 21-40

All JobsFull Stack Software Developer JobsJunior Full Stack Software Developer JobsJunior Full Stack Software Developer Jobs in Jacksonville, FL

Junior Full Stack Software Developer information

See Jacksonville, FL salary details

$22.2K

$82.4K

$127.4K

How much do junior full stack software developer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for junior full stack software 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 does a junior full stack software developer do?

A Junior Full Stack Software Developer is responsible for assisting in the design, development, and maintenance of both front-end and back-end components of web applications. They work with various programming languages, frameworks, and databases to build and support software solutions. Typically, they collaborate with senior developers and other team members to learn best practices, resolve bugs, and implement new features. This role is ideal for those who have foundational programming knowledge and are looking to gain hands-on experience across the entire software development stack.

What is the difference between Junior Full Stack Software Developer vs Junior Front End Developer?

AspectJunior Full Stack Software DeveloperJunior Front End Developer
Required SkillsProficiency in both front-end and back-end technologies (HTML, CSS, JavaScript, server-side languages, databases)Strong skills in HTML, CSS, JavaScript, and front-end frameworks (React, Angular)
Work EnvironmentInvolved in both client-side and server-side development, often in full project cyclesPrimarily focused on user interface and client-side features
Common UsageUsed in roles requiring versatile development across the stackUsed in roles specializing in UI/UX and front-end design

The main difference is that a Junior Full Stack Software Developer works on both front-end and back-end tasks, while a Junior Front End Developer focuses solely on the user interface and client-side development. The full stack role requires broader skills, whereas the front-end role specializes in creating engaging user experiences.

Can I become a junior full stack software developer with no experience?

Yes, it is possible to become a junior full stack software developer with no prior experience by learning foundational skills in programming languages like JavaScript, HTML, and CSS, and gaining practical knowledge through online courses, coding bootcamps, or personal projects. Entry-level roles often focus on demonstrating problem-solving abilities and a willingness to learn, rather than extensive professional experience.

What are some typical daily tasks and collaboration expectations for a junior full stack software developer?

As a Junior Full Stack Software Developer, your daily tasks often include writing and testing code for both front-end and back-end components, debugging issues, and participating in code reviews. You’ll regularly collaborate with other developers, designers, and sometimes product managers during stand-up meetings or sprint planning sessions to ensure alignment on project goals. It's common to work under the guidance of senior developers while learning best practices and receiving constructive feedback. This collaborative environment not only helps you grow technically but also improves your communication and teamwork skills.

What are the key skills and qualifications needed to thrive as a junior full stack software developer?

To excel as a Junior Full Stack Software Developer, you need a solid understanding of programming languages (such as JavaScript, Python, or Java), front-end and back-end frameworks, and a relevant degree or coding bootcamp experience. Familiarity with tools like Git, databases (e.g., SQL, MongoDB), and cloud platforms, as well as knowledge of agile methodologies, is typically expected. Problem-solving ability, eagerness to learn, and effective teamwork are standout soft skills in this role. These skills and qualities ensure you can build, maintain, and improve applications efficiently while collaborating well within a development team.
What are the most commonly searched types of Full Stack Software Developer jobs in Jacksonville, FL? The most popular types of Full Stack Software Developer jobs in Jacksonville, FL are:
What are popular job titles related to Junior Full Stack Software Developer jobs in Jacksonville, FL? For Junior Full Stack Software Developer jobs in Jacksonville, FL, the most frequently searched job titles are:
What job categories do people searching Junior Full Stack Software Developer jobs in Jacksonville, FL look for? The top searched job categories for Junior Full Stack Software Developer jobs in Jacksonville, FL are:
What cities near Jacksonville, FL are hiring for Junior Full Stack Software Developer jobs? Cities near Jacksonville, FL with the most Junior Full Stack Software Developer job openings:
Junior Full Stack Software Developer jobs near you
Infographic showing various Junior Full Stack Software Developer job openings in Jacksonville, FL as of August 2026, with employment types broken down into 2% Internship, 88% Full Time, 6% Part Time, and 4% Contract. Highlights an 86% In-person, 4% Hybrid, and 10% Remote job distribution, with an average salary of $82,442 per year, or $39.6 per hour.

Senior Fullstack Engineer

Kavaliro

Jacksonville, FL • On-site

Full-time

Re-posted 20 days ago

Job description

Job Description
Kavaliro is seeking a Senior Full Stack Developer for our local Jacksonville client. n this role, you'll serve as a key contributor across the full product lifecycle, with a strong emphasis on backend architecture and development. This is a fast-paced, hands-on position suited for an experienced full stack engineer who enjoys tackling complex systems, working at scale, and shaping technical direction.
What You'll Do
  • Design and implement cloud-based architecture in Microsoft Azure to support high-volume simulation workloads running in fully automated, background batch processing environments.
  • Develop and maintain simulation software across the stack, with a primary focus on backend systems using C#/.NET Core, C++, and Python.
  • Build and manage integrations with multiple external systems through APIs and data pipelines.
  • Debug, troubleshoot, and optimize complex codebases using Microsoft Visual Studio.
  • Design and maintain data storage solutions, including SQL databases, NoSQL systems, and data lakes, to support large and complex datasets.
  • Participate in system installation, testing, validation, and issue resolution alongside internal teams and clients.
  • Deliver software updates and support deployment and validation efforts in production environments.
  • Provide technical guidance and leadership to engineers and technicians assigned to your projects.
  • Identify opportunities to improve performance, scalability, and overall development efficiency.
Minimum Qualifications
  • 3+ years of professional experience in full stack software development, with a strong emphasis on backend engineering.
  • Bachelor's degree in Computer Science or a related technical field, plus 3+ years of hands-on engineering experience.
  • At least 2+ years of experience designing and implementing Azure-based enterprise applications, including batch processing, queue management, and parallel execution at scale.
  • Proven experience leading or driving software architecture initiatives from planning through delivery and operational support.
  • Hands-on experience designing and tuning databases (SQL, NoSQL, and/or data lakes) to support large, performance-sensitive datasets.
  • Experience designing, consuming, and integrating RESTful APIs, including complex JSON-based data structures and build pipelines that ingest data from multiple external sources.
  • Strong object-oriented programming skills and a disciplined approach to debugging and problem solving.
  • Clear, effective communication skills and the ability to collaborate across teams.
  • Self-directed, highly motivated, and comfortable working independently.
  • Fast learner with a curiosity for new tools, technologies, and domains.
  • Creative problem solver who's comfortable challenging existing approaches.
  • Authorization to work in the United States.
Desired Skills & Experience
  • Proficiency with C#/.NET Core, C++, Python, and batch scripting.
  • Strong background in API and web service integration.
  • Familiarity with GIS data or spatial data systems.
  • Experience generating reports, both scheduled and on-demand.
  • Experience using Kanban-style project management tools such as Jira or Trello.
  • Ability to juggle multiple priorities in a fast-moving environment.
  • Strong written and verbal technical communication skills in English.
  • Exposure to modeling and simulation concepts or experience within the railway industry.
  • Demonstrated team leadership or mentorship experience, with a desire to help others grow.
  • Confidence navigating large, complex, and legacy codebases.
  • Working knowledge 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
On-Site
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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