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IntercontinentalExchange · Jacksonville, Florida

# Java Full Stack Developer

Jacksonville, Florida Full-time Software Engineering 

Listed on IntercontinentalExchange’s official careers site. Posted September 23, 2026. Check that it is still open and apply there.
[Apply on IntercontinentalExchange’s careers site →](https://careers-ice.icims.com/jobs/12951/login)

[OpenNash Jobs](https://jobs.opennash.com/) / [IntercontinentalExchange](https://jobs.opennash.com/companies/intercontinentalexchange/) / Java Full Stack Developer

## Job description

### 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.

## At a glance
- Posted by the employer: Sep 23, 2026
- First seen by OpenNash: Jul 11, 2026
- Last checked: Oct 18, 2026
- Listed for: 99 days
- Location: Jacksonville, Florida
- Employment type: Full-time[Apply on IntercontinentalExchange’s careers site →](https://careers-ice.icims.com/jobs/12951/login)

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### [Associate Full Stack Developer](https://jobs.opennash.com/companies/intercontinentalexchange/jobs/34eeb216dea954f64b03/)

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### [Full Stack Developer](https://jobs.opennash.com/companies/intercontinentalexchange/jobs/879cfe8e2e89923073f5/)

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