Java Full Stack Developer

Intercontinental Exchange Holdings, Inc.; Jacksonville (FL); On-site; USD 80,000 - 110,000; Full time

Job summary

Intercontinental Exchange Holdings, Inc. seeks a Software Developer to join their innovative team in Jacksonville, Florida. The role involves designing and developing web applications using Java, Spring Boot for backend services, and React for the frontend.

The ideal candidate will have a Bachelor's degree in Computer Science and over 3 years of experience in software development. Strong skills in Java, SQL, and React are essential for success in this role, which offers opportunities to work with cutting-edge technologies.

Qualifications

• 3+ years of professional software development experience.
• Deep knowledge of Java language and its ecosystem.
• Proficiency in HTML, CSS, JavaScript, React, and TypeScript.

Responsibilities

• Design and develop web applications using Java and Spring Boot.
• Collaborate with cross-functional teams to deliver solutions.
• Write clean and efficient code following best practices.

Skills

Java Programming

SQL

PostgreSQL

JavaScript

React

TypeScript

RESTful Services

Microservices Architecture

Git

AI Fundamentals

Education

Bachelor's degree in Computer Science or related field

Tools

Java

Spring Boot

HTML

CSS

Azure DevOps

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

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