Java Developer

Acestack; Jersey City (NJ); On-site; USD 150,000 - 230,000; Full time

Job summary

Acestack is seeking a seasoned Java Developer to join our Jersey City team onsite. You will design, build, and maintain Java-based applications supporting Equities Trading and Capital Markets operations, delivering scalable trade processing and market data integration.

You will work closely with Front Office, Trading, and Risk teams exploring real-time data, event-driven architectures, and REST/microservice solutions in an Agile environment. Strong communication and problem-solving are essential.

Qualifications

• 10+ years of Java development experience in capital markets.
• Strong Core Java, Java 8/11+, Spring Boot, Spring MVC, and microservices.
• Experience with Equities Trading, OMS/EMS or Trade Processing.
• Knowledge of trading workflows, trade lifecycle, and settlement processes.
• Experience with real-time market data and event-driven architectures.
• SQL and relational databases (Oracle/SQL Server/PostgreSQL).
• REST APIs, Kafka/JMS/RabbitMQ, multithreading, and performance tuning.
• Linux/Unix, Git, CI/CD, and containerization.

Responsibilities

• Design, develop, and maintain Java-based applications for Equities Trading and Capital Markets operations.
• Build scalable and high-performance solutions for trade processing and order management.
• Develop microservices and REST APIs to support trading and reporting platforms.
• Collaborate with Front Office, Trading, Operations, Risk, and 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 using messaging and event-driven architectures.
• Ensure performance, reliability, and scalability through monitoring and optimization.
• Troubleshoot production issues and perform root cause analysis.
• Participate in trade lifecycle enhancement and platform modernization projects.

Skills

Core Java

Java 8/11+

Spring Boot

Microservices

SQL Databases

REST APIs

Kafka

Multithreading

Linux/Unix

Git

CI/CD

Agile

Problem Solving

Education

Bachelor's degree (CS/IS/Engineering)

Tools

Oracle

PostgreSQL

SQL Server

Kafka

RabbitMQ

JMS

Git

Job description

Role: Java Developer

Location: Jersey City, NJ Onsite

Fulltime Permanent

Job Description

Must Have Technical/Functional Skills

• 10+ years of experience in Java development, 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 working with relational databases such as Oracle, SQL Server, or PostgreSQL.
• Experience developing and consuming REST APIs and integrating with upstream and 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.

Roles & 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.