Senior Java Developer - Capital Markets & Trading (Onsite)

Realign LLC; Jersey City (NJ); On-site; USD 120,000 - 180,000; Full time

Job summary

Realign LLC in Jersey City, NJ, is seeking an experienced Java Developer for on-site work supporting Equities Trading and Capital Markets platforms. The role focuses on building scalable microservices, real-time data integration, and robust trade processing in a fast-paced environment.

You will collaborate with Front Office, Operations, Risk and IT to deliver secure, high-performance solutions using Java 8/11, Spring Boot, REST APIs, and modern DevOps practices.

Qualifications

• 10+ years of Java development experience, preferably within Capital Markets, Equities Trading, or Financial Services environments.
• Strong hands-on experience in Core Java, Java 8/11, Spring Boot, Spring MVC, and Microservices development.
• Experience developing and supporting applications for Equities Trading, Electronic Trading, OMS, EMS, or Trade Processing platforms.
• Strong understanding of Equities Trading workflows, trade lifecycle, order management, execution, allocation, and settlement processes.
• Experience working with real-time market data, trade data, and event-driven architectures.
• Strong proficiency in SQL and experience with Oracle, SQL Server, or PostgreSQL.
• Experience developing and consuming REST APIs and integrating with upstream/downstream systems.
• Hands-on experience with messaging technologies such as Kafka, JMS, RabbitMQ, or similar.
• Strong understanding of multithreading, concurrency, performance tuning, and scalable application design.
• Experience with Linux/Unix environments and source control tools such as Git.
• Knowledge of CI/CD pipelines, DevOps practices, and containerization technologies.
• Proven experience working in an Agile development environment.
• Strong analytical, problem-solving, debugging, and troubleshooting skills.
• Excellent verbal and written communication skills.

Responsibilities

• Design, develop, and maintain Java-based applications supporting Equities Trading and Capital Markets operations.
• Build scalable and high-performance solutions for trade processing, order management, and market data integration.
• Develop microservices and REST APIs to support trading and reporting platforms.
• Collaborate with Front Office, Trading, Operations, Risk, and business stakeholders to gather requirements and deliver solutions.
• Integrate applications with market data providers, trading platforms, and internal systems.
• Develop and maintain real-time data processing solutions using messaging technologies and event-driven architectures.
• Ensure application performance, reliability, and scalability through continuous monitoring and optimization.
• Troubleshoot production issues, perform root cause analysis, and implement long-term fixes.
• Participate in trade lifecycle enhancement initiatives and platform modernization projects.
• Ensure compliance with development standards, security policies, and regulatory requirements.
• Participate in Agile ceremonies including sprint planning, daily stand-ups, reviews, and retrospectives.
• Create and maintain technical documentation and support production deployments.
• Collaborate with cross-functional teams to deliver robust and reliable trading technology solutions.

Skills

Java

Spring Boot

Spring MVC

Microservices

SQL

REST APIs

Kafka

Multithreading

Linux/Unix

Git

CI/CD

Agile

Communication

Tools

Oracle

SQL Server

PostgreSQL

JMS

RabbitMQ

Job description

Realign LLC in Jersey City, NJ, is seeking an experienced Java Developer for on-site work supporting Equities Trading and Capital Markets platforms. The role focuses on building scalable microservices, real-time data integration, and robust trade processing in a fast-paced environment.

You will collaborate with Front Office, Operations, Risk and IT to deliver secure, high-performance solutions using Java 8/11, Spring Boot, REST APIs, and modern DevOps practices.