Senior Java Developer

Garrison Associates, LLC

A Leading Financial Services Firm in Manhattan that owns and operates financial and commodity marketplaces and exchanges is looking for a Full-Time, permanent, employee for a Senior Java Developer.

The Firm provides mortgage technology, data and listing services. The Firm’s operations include futures exchanges, cash exchanges, central clearing houses, and market services for off-exchange trading.

Nearly half the world’s crude oil futures trade and clear on the Firm’s state of the art electronic trading and clearing platforms. As a Senior Developer you will play a key role in developing systems which provide clearing services to vital markets such as oil, sugar and cotton which are essential to economies around the world.

This is a Hybrid position, working 3 days in the office, and 2 days Remotely

Responsibilities

• Design and code key systems using Spring, REST, SQL, Hibernate, MyBatis, and MQ
• Take ownership of key systems and build reusable utilities and frameworks.
• Work on the scalability and performance of high-performance components
• Work closely with the business units, product management and QA teams

Knowledge And Experience

• Bachelor’s degree in computer science or related fields; or equivalent years’ experience required.
• 5+ years of experience developing with Java Technologies
• Strong working knowledge of
  • Java 11/17
  • Data structures, Algorithms, OOD and Design Patterns
  • Distributed messaging, JMS
  • Spring and its frameworks like Spring Boot, Spring Cloud, Spring Data, Spring AOP
  • Relational databases, Oracle, SQL, PL/SQL, Hibernate/MyBatis, JDBC, and JPA
  • Multi-threaded server-side development
  • Unit testing with Spring Boot Test, Mockito, and Junit
• Experience in Java performance tuning, debugging and memory profiling.
• Knowledge of distributed transactions with JTA and managers such as Atomikos, Narayana
• Experience with the build pipelines and CI/CD tools
• Strong interpersonal and writing skills and ability to work well in a team environment.
• Ability to work independently.

Preferred

• Experience with JavaScript UI frameworks such as Ext JS and React
• Exposure to financial markets – particularly in futures and options
• Demonstrated open-source contribution.
• Experience with Container and Cloud technologies – e.g., Docker, Kubernetes, Helm, Kustomize