Engineer I - Intercontinental Exchange

Polluxa, Inc.; Jacksonville (FL); On-site; USD 60,000 - 76,000; Full time

Job summary

Polluxa, Inc. seeks an Associate Software Developer to join our innovative development team in Jacksonville. You will contribute to designing and building Java enterprise applications, using Spring Boot for backend services and React for the frontend.

The role emphasizes ownership of components, RESTful API development, and maintaining code quality through unit tests. Ideal candidates have 0-2 years of professional experience, a CS/SE degree or equivalent, and familiarity with SQL databases,

Qualifications

• Bachelor's degree or equivalent experience in computer science or related field.
• 0-2+ years of professional software development experience.
• Proficiency in core Java with Spring/Spring Boot experience.
• Experience with SQL and relational databases (e.g., PostgreSQL).
• Familiar with Git, Agile methodologies, and basic CI/CD concepts.

Responsibilities

• Design, develop, and maintain web applications using Java for backend services and React for frontend development.
• Design and develop RESTful APIs to deliver frontend functionality and for use by partners.
• Implement new features and enhancements with moderate guidance.
• Write clean, efficient, and maintainable code following best practices and team standards.
• Collaborate with cross-functional teams to understand requirements and deliver solutions.
• Troubleshoot, debug, and resolve issues in backend and frontend systems.
• Participate in code reviews and provide constructive feedback.
• Write and maintain unit tests using frameworks such as JUnit or Mockito.
• Contribute to database design and development using SQL.
• Stay current with Java technologies and frameworks.

Skills

Core Java

Spring Boot

SQL

Git

Agile

Unit testing

Generative AI tools

Education

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

Tools

JUnit

Mockito

PostgreSQL

Git

Docker

Azure DevOps

GitHub Actions

Job description

Job Purpose

We are seeking an Associate Software Developer (Engineer I) to join our innovative development team. In this role, you will contribute to the design and development of Java enterprise applications utilizing frameworks such as Spring Boot. This position will have responsibilities in full life cycle development while taking ownership of specific components and features.

Responsibilities

• Design, develop, and maintain web applications using Java technologies for backend services and react for frontend development
• Design and develop RESTful APIs necessary to deliver front-end functionality and/or be consumed by other partners
• Implement new features and enhancements to existing functionality with moderate guidance
• Write clean, efficient, and maintainable code following best practices and team standards
• 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 using frameworks such as Junit or Mockito
• Contribute to database design and development using SQL
• Stay current with Java technologies and frameworks

Knowledge and Experience

• Bachelor’s degree in computer science, Software Engineering, or related field (or equivalent experience)
• 0-2+ years of professional software development experience
• Proficiency in core Java (OOP, collections, exception handling, multithreading)
• Experience with Spring or Spring Boot frameworks
• Proficient with generative AI technologies such as Claude Code and GitHub CoPilot
• Exposure to Postgres or SQL and relational database concepts
• Understanding of web application security principles
• Experience with version control systems (Git)
• Familiarity with Agile development methodologies
• Strong problem-solving skills and attention to detail
• Excellent communication and collaboration abilities

Preferred Knowledge and Experience

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