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Freelance Junior Java Developer Jobs in Florida (NOW HIRING)

United Airlines

Java Spark Developer

Tampa, FL · On-site

$48.25 - $62.25/hr

Mentor junior developers and contribute to a culture of craftsmanship and continuous improvement Qualifications * 7 years of handson experience in Java and Apache Spark Big Data development * Strong ...

Ztek Consulting INC

Java Full Stack Developer Lead

Tampa, FL · On-site

$49.50 - $64/hr

Java Full Stack Developer Lead Client address: 10410 Highland Manor Dr, Tampa, FL 33610 Years of ... mentor junior developers, and promote engineering best practices and coding standards. o ...

Ztek Consulting INC

Java Full Stack Developer Lead

Tampa, FL · On-site

$49.50 - $64/hr

Java Full Stack Developer Lead Client address: 10410 Highland Manor Dr, Tampa, FL 33610 Years of ... mentor junior developers, and promote engineering best practices and coding standards. o ...

TSR Consulting

Senior Java Frontend Developer

Tampa, FL · On-site

$83/hr

Senior Java Frontend Developer Location: Tampa, FL Duration: Temp to Hire - 6 months About TSR TSR ... Mentor junior and mid-level developers and provide technical guidance. * Partner with stakeholders ...

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Freelance Junior Java Developer information

What is a freelance junior Java developer?

A Freelance Junior Java Developer is an entry-level programmer who works independently on a contract basis, specializing in Java development. They typically handle coding, debugging, and basic software tasks for clients rather than being employed full-time by a single company. Freelance junior developers often work on smaller projects or assist senior developers, allowing them to gain experience and build their portfolios. This role requires a solid understanding of Java fundamentals and the ability to adapt to different project requirements.

What are the key skills and qualifications needed to thrive as a freelance junior Java developer, and why are they important?

To thrive as a Freelance Junior Java Developer, you need a solid grasp of Java programming, basic software development principles, and a relevant degree or coursework in computer science. Familiarity with tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and an understanding of basic frameworks like Spring Boot are typically required. Strong problem-solving abilities, effective time management, and clear communication make you stand out when collaborating remotely with clients. These skills and qualities are essential to deliver reliable code, meet project deadlines, and build lasting professional relationships as a freelancer.

What are some common challenges freelance junior Java developers face when starting out, and how can they overcome them?

Freelance junior Java developers often face challenges such as finding consistent projects, adapting quickly to different client codebases, and managing their own schedules and client communications. Building a strong online portfolio and actively networking in developer communities can help attract more clients. Additionally, setting clear expectations with clients and continuously improving technical and soft skills are key to overcoming early hurdles and building a successful freelance career.

What is the difference between Freelance Junior Java Developer vs Junior Java Developer?

AspectFreelance Junior Java DeveloperJunior Java Developer
Work EnvironmentIndependent, remote or contract-based projectsFull-time employment in a company or organization
CredentialsTypically requires basic Java knowledge, some coding experienceOften requires a degree or certification in computer science or related field
Employer & Industry UsageClients across various industries, project-basedEmployers in tech, finance, or enterprise sectors
Work ScopeLimited to specific projects, flexible hoursPart of a team, involved in ongoing development tasks

In summary, a Freelance Junior Java Developer works independently on short-term projects, often remotely, with flexible hours and minimal formal employment ties. In contrast, a Junior Java Developer is typically employed full-time within a company, working as part of a team on continuous development tasks, often requiring formal education or certifications.

What are popular job titles related to Freelance Junior Java Developer jobs in Florida?

For Freelance Junior Java Developer jobs in Florida, the most frequently searched job titles are:

What job categories do people searching Freelance Junior Java Developer jobs in Florida look for?

The top searched job categories for Freelance Junior Java Developer jobs in Florida are:

Freelance Junior Java Developer jobs near you
Infographic showing various Freelance Junior Java Developer job openings in Florida as of September 2026, with employment types broken down into 83% Full Time, 10% Part Time, and 7% Contract. Highlights an 85% In-person, and 15% Remote job distribution.

Java Full Stack Developer

Jacksonville, FL • On-site

Intercontinental Exchange Holdings, Inc.
Finance and Insurance • 5 - 10K employees
Learn more about Intercontinental Exchange Holdings, Inc.external

$48.75 - $62.75/hr

Other

Re-posted 29 days ago

Job description

Overview

Job Purpose

We are seeking a Software Developer to join our innovative development team. In this role, you will contribute to the design and development of our applications while taking ownership of specific components and features.

Responsibilities

  • Design, develop, and maintain web applications using Java and Spring Boot for backend services and React for frontend development
  • Implement new features and enhancements to existing functionality with moderate guidance
  • Write clean, efficient, and maintainable code following best practices and team standards
  • Create and maintain RESTful APIs and integrate them with React-based frontends
  • Collaborate with cross-functional teams to understand requirements and deliver solutions
  • Troubleshoot, debug, and resolve technical issues in both backend and frontend systems
  • Participate in code reviews, providing and receiving constructive feedback
  • Write and maintain unit tests to ensure code quality and functionality
  • Contribute to database design and development using SQL and PostgreSQL
  • Stay current with relevant technologies and frameworks
  • Provide occasional guidance to junior developers

Knowledge and Experience

  • Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience)
  • 3+ years of professional software development experience
  • Java Programming: Deep knowledge of Java language, its ecosystem, and best practices
  • Experience with SQL, PostgreSQL and relational database concepts
  • Frontend Technologies: Proficiency in HTML, CSS, JavaScript, React, and TypeScript
  • Backend Development: Expertise in developing and maintaining backend services using Java, Spring, and related technologies
  • Strong understanding of RESTful services, microservices architecture, and database management
  • Familiarity with version control systems like Git, Azure DevOps, and CI/CD pipelines
  • AI & ML Fundamentals: Understanding of natural language processing (NLP), machine learning concepts, and how LLMs work
  • Prompt Frameworks & Techniques: Proficiency in methods such as zero-shot, few-shot, chain-of-thought, and knowledge-generation prompting
  • LLM API Experience: Hands-on work with major AI platforms (e.g., OpenAI, Anthropic, Google Gemini) to test and refine prompts
  • Prompt Optimization: Ability to craft precise, structured instructions that reduce hallucinations and improve accuracy
  • Data Preparation: Preparing and curating datasets for training or fine-tuning models
  • Performance Analysis: Measuring and improving AI output quality through A/B testing and iterative refinement

Preferred Experience

  • Knowledge of cloud platforms (OCP, Apigee, AWS, GCP, or Azure)
  • Experience with CI/CD pipelines (e.g., Azure DevOps, GitHub Actions)
  • Knowledge of containerization concepts (Docker)
  • Familiarity with microservices architecture
  • Experience with automated testing frameworks
  • Understanding of responsive design and accessibility standards
  • Knowledge of performance optimization techniques

#LI-MA1

Intercontinental Exchange, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to legally protected characteristics.
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