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Java backend server-side developer

Company:
3B Staffing
Location:
Manhattan, NY, 10001
Posted:
April 28, 2026
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Description:

Work Schedule: Hybrid Schedule at 1271 AOA

Below 3 questions must be answered at the top of each resume. If failure to do so, the candidate will be rejected.

*If candidates have not had experience with the topics covered in questions 2 & 3, they should answer indicating as such*

1) How do you decide what data structure should be used for different parts of a component?

2) Have you designed custom data structures such as a hash map or priority queue? If so, describe the problem you were trying to solve and the solution, highlighting design considerations and trade-offs.

3) Have you designed or developed a system that requires handling high throughput (1000's of events/updates per second) with low latency (<1 msec per event) with data from multiple sources and potentially with different data formats/messaging protocols? If so, describe the architecture with emphasis on performance considerations.

Required & Non-Negotiable:

Experienced Java Developer (JDK 11 or 17)

Experience designing and supporting low latency, high throughput trading applications

Extensive experience with asynchronous, event-driven programming & concurrency

Overview:

Client Capital Markets is starting up a new rates electronic trading business and we are looking for an experienced Java developer to join this effort. This is a unique opportunity to get in on the ground floor of a greenfield development project to design and develop a low-latency, electronic trading platform for US rates. In this role, you will work directly with trading and quantitative teams to build and deliver new trading capabilities and services leveraging modern technologies and architectures.

Responsibilities:

Work with business and technology partners to design and develop new architecture for our low latency electronic trading platform including both production and research elements

Implement initial key components of the platform and drive the implementation to the delivery of a minimum viable product

After initial delivery, work with our partners to continually improve the platform

Provide technical guidance and mentor the development team

Apply best-in-breed software tools and techniques to maintain and improve code and system quality, flexibility, and security

Participate in all phases of software delivery lifecycle from analysis through support.

Required Skills:

Hands on Senior Java Developer with over 5 years of enterprise development experience

Extensive experience with asynchronous, event-driven programming & concurrency

Strong track record of project design and delivery

Ability to work with partners across many areas in an organization

Preferred Skills:

Experience designing and supporting low latency, high throughput trading applications is strongly desired, but we will consider exceptional Java developers without background

Working experience with a range of software tools including Spring, Apache Camel, REST API (including Enterprise Authentication and Authentication), JMS (Active MQ or similar), SQL, and enterprise monitoring and state management

Knowledge of capital markets including pricing, trade execution workflow, and key vendor systems such as ION, TradeWeb or Bloomberg.

Skills: Required:

JAVA

SPRING BOOT

SPRING

APACHE

SYBASE

Additional:

JMS

REST

AUTHENTICATION

TRADING

MS SQL SERVER

API

MESSAGING PROTOCOLS

ACTUATOR

JDK

CONTINUOUS INTEGRATION/DELIVERY

QUEUE MANAGEMENT

SECURITY VULNERABILITY

DATA STRUCTURES

MENTOR

DATA STRUCTURE.

Education: B.S. in Mathematics, Engineering or Computer Science.

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