Senior Java Developer

Trax; Miami, Northern (FL, KY); Hybrid; USD 120,000 - 160,000; Full time

Job summary

Trax USA Corp is seeking a Senior Java Developer to join our Development team supporting a Tier 1 customer. You will design and develop robust backend systems powering mission-critical aviation software solutions, focusing on secure, scalable code in a distributed architecture.

You will mentor peers and contribute to engineering best practices in a fast-paced environment. Required 7+ years of Java experience, familiarity with Spring/EJB Hibernate, RESTful services, and database design.

Qualifications

• 7+ years of hands-on Java development experience focused on backend service design and implementation.

Responsibilities

• Design, develop, and maintain backend services and APIs using modern Java frameworks in a microservices environment.
• Develop secure, high-performance, and scalable code for mission-critical business processes.
• Build and support event-driven processing within distributed systems.
• Collaborate with product, engineering, QA, and operations to align solutions with objectives.
• Contribute to Java development best practices, tooling, and code review processes.
• Mentor teammates with knowledge sharing and peer reviews to elevate capabilities.
• Troubleshoot, optimize and monitor backend systems for reliability and performance.
• Ensure security standards, data privacy, and compliance across code and components.
• Participate in architecture discussions and provide input on system design and scalability.
• Other duties as assigned.

Skills

Java backend

RESTful services

Spring Framework

Microservices

Distributed systems

SQL databases

SOLID principles

Agile/Scrum

Education

Bachelor's degree in Computer Science or related field

Tools

Docker

Kubernetes

AWS

Azure

Oracle DB

PL/SQL

Quarkus

Micronaut

Job description

Description

Trax USA Corp is seeking an experienced Senior Java Developer to join our Development team supporting a Tier 1 customer. In this role, you will design and develop robust backend systems that power mission-critical aviation software solutions. You will play a key role in delivering high-quality, scalable services while helping drive engineering best practices and code quality across the organization.

As a Senior Java Developer, you will collaborate closely with internal product, engineering, and quality teams to design, implement, and support backend services in a modern, distributed architecture. You will also contribute to mentoring, technical standards, and continuous improvement of our Java development ecosystem.

Key Responsibilities

• Design, develop, and maintain backend services and APIs using modern Java frameworks and tools in a microservices environment.
• Develop secure, high-performance, and scalable code to support mission-critical business processes.
• Build and support event-driven and asynchronous processing within distributed systems.
• Collaborate cross-functionally with product, engineering, QA, and operations teams to align technical solutions with product and business objectives.
• Contribute to the evolution of Java development best practices, coding standards, tooling, and code review processes.
• Serve as a technical mentor by providing guidance, knowledge sharing, and peer reviews to help elevate team capabilities.
• Troubleshoot, optimize, and monitor backend systems to ensure reliability, performance, and operational stability in production environments.
• Ensure adherence to security standards, data privacy requirements, and industry compliance standards across all code and system components.
• Participate in architecture discussions and provide technical input on system design and scalability.
• Other duties as assigned.

Requirements

Required Skills and Experience

• Bachelor’s degree in Computer Science, Software Engineering, or a closely related field, or equivalent practical experience.
• 7+ years of hands-on Java development experience, with a strong focus on backend service design and implementation.
• Deep understanding of object-oriented design, SOLID principles, functional programming concepts, and common design patterns.
• Proven experience designing and building RESTful services, backend APIs, and asynchronous or event-driven processing within distributed systems.
• Strong proficiency in modern Java frameworks and ecosystems (e.g., Spring Boot, Spring Framework, Hibernate/JPA, or equivalent).
• Demonstrated ability to write clean, maintainable, scalable, and secure Java code suitable for mission-critical production systems.
• Experience with relational databases, data modeling, and performant data access patterns.
• Proven ability to analyze, troubleshoot, and resolve complex production issues, including performance bottlenecks and system reliability concerns.
• Experience monitoring and supporting backend systems in production environments with a focus on stability, resilience, and observability.
• Comfortable working in Agile/Scrum environments and contributing to continuous improvement in development practices and team processes.
• Strong communication and collaboration skills when working with cross-functional teams such as product, QA, operations, and support.

Preferred Qualifications

• Experience working in microservices-based architectures and distributed systems.
• Hands-on experience with containerized environments (e.g., Docker, Kubernetes) and cloud-native or microservice-friendly frameworks (e.g., Quarkus, Micronaut).
• Familiarity with major cloud platforms such as AWS, Azure, OCI, or Google Cloud Platform.
• Experience with CI/CD pipelines, automated testing practices, and modern build/deployment workflows.
• Knowledge of security best practices, data protection, and compliance requirements in enterprise or regulated environments.
• Oracle Database and PL/SQL experience.
• Domain experience in aviation, aerospace, logistics, or other regulated industries is a strong plus.

Other requirements:

• Ability to travel domestically and internationally, for extended periods preferred.
• Ability to support global customers on different time zones by working different shifts as required.

Job type: Full time / Salaried

Job Level: Experience / Senior

Job Location: Fully Onsite - Coral Gables

Job Shift: First - 8a - 5p

Remote: No

TRAX USA Corp is an equal opportunity employer committed to diversity in the workplace. We evaluate qualified applicants without regard to race, color, religion, sex, disability, veteran status, and other protected characteristics. We maintain a drug-free and tobacco-free workplace and perform pre-employment background checks.