Java Backend Engineer for High-Performance Trading Systems

Apexon; Dallas (TX); On-site; USD 110,000 - 140,000; Full time

Job summary

Apexon is seeking an experienced Java Backend Developer to join a high-performing engineering team supporting mission-critical trading applications for a leading Banking & Financial Services client. You will design, develop and maintain scalable Java backends, build microservices, and optimize for low latency and high availability.

The role involves collaborating with analysts, traders and DevOps, participating in architecture discussions, and adhering to Agile practices to deliver essential

Qualifications

• Experience building scalable backend applications using Java and Spring Boot.
• Hands-on development of trading platform solutions in financial services.
• Ability to design for high availability, low latency, and security.

Responsibilities

• Design, develop, test, and maintain high-performance Java backend apps.
• Build scalable microservices and RESTful APIs for trading systems.
• Develop low-latency, high-volume transaction processing solutions.
• Collaborate with analysts, traders, product owners, QA, and DevOps.
• Participate in architecture discussions and technical design decisions.
• Optimize performance, scalability, and reliability; troubleshoot issues.
• Write clean, documented code and perform code reviews.
• Engage in Agile ceremonies and backlog refinement.

Skills

Agile experience

Strong problem solving

Excellent communication

Education

Bachelor's or Master's in CS/IT/Engineering

Tools

Java

Spring Boot

Spring MVC

Spring Security

Spring Data JPA

Hibernate

Microservices

REST API

Maven/Gradle

Git

SQL (Oracle, PostgreSQL, SQL Server)

Multithreading & Concurrency

Collections Framework

JVM Tuning

Design Patterns

OOP

Job description

Apexon is seeking an experienced Java Backend Developer to join a high-performing engineering team supporting mission-critical trading applications for a leading Banking & Financial Services client. You will design, develop and maintain scalable Java backends, build microservices, and optimize for low latency and high availability.

The role involves collaborating with analysts, traders and DevOps, participating in architecture discussions, and adhering to Agile practices to deliver essential