Full Stack Developer

ICE; Jacksonville (FL); On-site; USD 90,000 - 130,000; Full time

Job summary

Intercontinental Exchange, Inc. is seeking a Software Developer to contribute to the design and development of applications, owning specific components and features.

You will design, develop, and maintain web applications using Java/Spring Boot for backend services and React for frontend development. You will implement new features, write tests, and ensure code quality, while collaborating with cross-functional teams to deliver solutions.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience)
• 3+ years of professional software development experience
• Deep knowledge of Java language, its ecosystem, and best practices
• Experience with SQL, PostgreSQL and relational database concepts
• Frontend Technologies: HTML, CSS, JavaScript, React, and TypeScript
• Backend Development: Java, Spring and related technologies
• Strong understanding of RESTful services, microservices architecture, and database management
• Familiarity with Git, Azure DevOps, and CI/CD pipelines
• AI & ML Fundamentals: NLP, machine learning concepts, and how LLMs work
• Prompt Frameworks & Techniques: zero-shot, few-shot, chain-of-thought
• LLM API Experience: working with major AI platforms to test prompts
• Prompt Optimization: crafting precise, structured instructions to reduce hallucinations
• Data Preparation: preparing datasets for training or fine-tuning
• Performance Analysis: measuring AI output quality via A/B testing

Responsibilities

• Design, develop, and maintain web applications with Java/Spring Boot backend and React frontend
• Implement new features and enhancements with moderate guidance
• Write clean, maintainable code following best practices
• Create and maintain RESTful APIs and integrate with React frontends
• Collaborate with cross-functional teams to understand requirements
• Troubleshoot, debug, and resolve issues in backend and frontend
• Participate in code reviews and provide feedback
• Write and maintain unit tests
• Contribute to database design and development using SQL and PostgreSQL
• Stay current with relevant technologies and frameworks
• Provide occasional guidance to junior developers

Education

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

Tools

Java

Spring Boot

React

TypeScript

SQL

PostgreSQL

HTML

CSS

JavaScript

REST APIs

Git

Azure DevOps

CI/CD

Docker

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.

Overview

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.