Jr Java Developer

Jr Java Developer Location: Ann Arbor, MI Onsite: 4 days a week Rate: $40/hr w-2 Contract : 6 months extendable USC, GC, GC-EAD, H4EAD DL & LinkedIn needed LOCALS The Opportunity Join the thinkorswim Development Team and help build an industry-leading desktop trading platform. This role offers the opportunity to work in a collaborative, innovative, and technically challenging environment focused on high-performance, multi-threaded, and resilient systems. Key Responsibilities Design, development, testing, debugging, and documentation of complex software solutions. Perform advanced product design, troubleshooting, technical analysis, and research. Make and recommend critical design decisions for development teams. Analyze complex technical issues and drive timely resolution in development and production environments. Collaborate with Enterprise Architecture and Infrastructure teams on strategic initiatives. Contribute to client and technology discussions to deliver innovative solutions. Review development work and provide technical guidance to team members. Required Qualifications Bachelor's degree in Computer Science or a related field. 1+ year of experience with Core Java/J2EE (client and server-side development). Experience with object-oriented analysis and design (OOA/OOD) . Knowledge of distributed systems, real-time processing, relational databases, and messaging systems. Experience with Agile methodologies and test-driven development (TDD) . Strong understanding of data structures, algorithms, and design patterns (GoF). Excellent written and verbal communication skills. Preferred Qualifications Experience developing downloadable desktop applications. Experience with concurrency, multi-threading, Java garbage collection, performance tuning, and scalability. Experience with UI technologies such as AngularJS, jQuery, HTML5, Swing, JavaFX , or similar frameworks. Experience with application frameworks such as Spring, Hibernate, JSF , or equivalent. Experience working in Unix/Linux, Windows, and Mac environments. Familiarity with build, deployment, and test automation tools including Maven, Gradle, Ant, Jenkins, TeamCity, and JUnit . Experience developing APIs, frameworks, and core business logic. Knowledge of the finance or trading industry is a plus.