Senior Java Developer

Trax USA Corp.•Coral Gables, FL

3d•Onsite

About The Position

Trax USA Corp is seeking an experienced Senior Java Developer to join their 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 the Java development ecosystem.

Requirements

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.

Nice To Haves

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.

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.