Java Market Data Developer (Consultant) - Local NY / NJ

Nexiva • Middletown, NY

1d • Hybrid

About The Position

Seeking a hands-on Java Market Data Developer to support its Market Data Engineering and Development team. This role focuses on building and enhancing real-time data platforms and integrations with leading market data vendors such as Bloomberg and LSEG/Refinitiv. The developer will be responsible for designing, developing, and maintaining high-performance Java-based market data applications and services, integrating and supporting vendor market data APIs, and building real-time data ingestion, normalization, and distribution pipelines. The role involves partnering with trading, quant, and infrastructure teams to deliver low-latency data solutions, troubleshooting production issues, and optimizing system performance, scalability, and reliability. The developer will also contribute to the architecture and design of next-generation market data systems.

Requirements

• 10+ years of Java development experience in financial services
• Strong experience with market data systems and vendor APIs (Bloomberg, LSEG/Refinitiv)
• Hands-on experience with real-time streaming and messaging technologies (Kafka, Solace, Tibco, etc.)
• Solid understanding of market data concepts (pricing, reference data, symbology, entitlements)
• Experience building low-latency, high-throughput systems
• Strong debugging and production support capabilities
• Candidates must have recent experience developing market data feed APIs.
• Candidates must have recent local projects in the NYC/NJ area.
• Candidates must have experience doing Java development for market data feeds (such as Bloomberg and LSEG/Refinitiv) not just capital markets, trading or banking.
• Candidates must have "Market Data Feeds" on their resume.
• Candidates must have good tenure and/or long projects.

Nice To Haves

• Experience with cloud platforms (AWS preferred)
• Knowledge of FIX protocol or trading systems
• Exposure to Python for scripting or data analysis
• Familiarity with Linux environments and distributed systems

Responsibilities

• Design, develop, and maintain high-performance Java-based market data applications and services
• Integrate and support vendor market data APIs (Bloomberg B-Pipe, Refinitiv Elektron, etc.)
• Build real-time data ingestion, normalization, and distribution pipelines
• Partner with trading, quant, and infrastructure teams to deliver low-latency data solutions
• Troubleshoot production issues related to market data feeds, entitlements, and distribution
• Optimize system performance, scalability, and reliability across market data platforms
• Contribute to architecture and design of next-generation market data systems

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed