Trainee Principal Java Software Engineer Jobs in Michigan

Placement Type:
Temporary
Salary:
$38.09-42.33 Hourly
W2
Start Date:
Aug 10, 2026
Aquent is partnering with a leading financial services firm renowned for its innovative and high-performance platforms, to find a talented developer who will significantly impact the evolution of their industry-leading desktop trading application. This is an exciting opportunity to join a collaborative, innovative, and technically challenging environment where you will perform complex software design, technical analysis, and contribute to a highly performant, multi-threaded, and resilient system. Your expertise will be crucial in enhancing the core desktop application, its installation processes, Java runtime updates, user interface, and various backend modules, directly influencing the speed and reliability of a critical platform.
**What You'll Do:**
* Lead product design and troubleshooting exercises of extreme complexity, requiring extensive research and analysis.
* Drive system design and specification development, program logic, flow-charting, testing, debugging, and documentation.
* Make critical design choices that will guide development teams.
* Lead complex programming tasks, providing thorough review of various development efforts and documentation.
* Analyze problems and recommend effective solutions.
* Serve as a key contributor in client and technology interactions for developing robust technology solutions.
* Collaborate with enterprise architecture and infrastructure teams on strategic designs and initiatives.
* Lead the troubleshooting of complex issues in both development and production environments, ensuring timely resolution.
**Must-Have Qualifications:**
* 1+ years of experience with Java and J2EE (both client and server-side).
* 1+ years of experience with Object-Oriented Analysis/Design (OOA/OOD), distributed systems/software, real-time processing, relational database systems, and messaging systems.
* Strong understanding of data structures, algorithms, and design patterns (GoF).
* Experience with agile methodologies and test-driven development.
* Demonstrated experience working with core business logic within applications.
* Experience in developing APIs and Frameworks.
* Bachelor's degree in Computer Science or an equivalent discipline.
* Excellent written and verbal communication skills.
**Nice-to-Have Qualifications:**
* Experience developing downloadable desktop applications.
* Experience with concurrency and multi-threading.
* Experience with scaling, Java Garbage Collection, and performance tuning.
* Experience with rich UI frameworks such as Angular JS, jQuery, HTML 5, Swing, Java FX, or similar frameworks/APIs.
* Experience with application development frameworks like Spring, Hibernate, JSF, or similar frameworks.
* Experience with Unix/Linux, Windows, and Mac operating systems.
* Experience with build, deploy, and test automation tools like Ant, Gradle, Maven, Jenkins, TeamCity, JUnit, or similar tools.
* Working knowledge of finance and/or the trading domain.
Please note: This position is available on a W-2 employment basis only and is not open to Corp-to-Corp (C2C) arrangements. The client is also unable to provide employment-based visa sponsorship or transfers for this role.
#LI-LP1
**About Aquent Talent:**
Aquent Talent connects the best talent in marketing, creative, and design with the world's biggest brands.
Our eligible talent get access to amazing benefits like subsidized health, vision, and dental plans, paid sick leave, and retirement plans with a match.
Aquent is an equal-opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics. We're about creating an inclusive environment-one where different backgrounds, experiences, and perspectives are valued, and everyone can contribute, grow their careers, and thrive.