Java Full Stack Developer

ICE Clear Europe Limited; Jacksonville (FL); On-site; USD 80,000 - 120,000; Full time

Job summary

ICE Clear Europe Limited is looking for a Software Developer to join our innovative development team in Jacksonville, Florida. You will design and develop web applications using Java and Spring Boot for backend services, and React for front-end development. The ideal candidate should have over 3 years of professional software development experience and a strong understanding of RESTful services.

This role involves creating RESTful APIs, collaborating with cross-functional teams, and maintaining high coding standards. The position offers an exciting opportunity to contribute to impactful projects.

Qualifications

• 3+ years of professional software development experience.
• Strong understanding of RESTful services and microservices architecture.
• Proficiency in backend development using Java and Spring.

Responsibilities

• Design and develop web applications using Java and Spring Boot.
• Implement new features and maintain existing functionality.
• Create and maintain RESTful APIs integrated with React frontends.

Skills

Java Programming

React

Spring Boot

SQL

PostgreSQL

HTML

CSS

JavaScript

TypeScript

NLP

Machine Learning

Education

Bachelor's degree in Computer Science, Software Engineering, or related field

Tools

Git

Azure DevOps

CI/CD Pipelines

Docker

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

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