Senior Java Software Engineer

Green Key Resources; New York (NY); On-site; USD 140,000 - 190,000; Full time

Job summary

Green Key Resources in New York City is seeking a Senior Software Engineer to help build and scale real-time trading and market data platforms. You will work on high-performance backend systems, distributed architectures, and APIs that traders rely on daily.

This role emphasizes streaming data pipelines, event-driven designs, and stateful services, with collaboration with traders and technology teams. Onsite four days a week in NYC.

Qualifications

• 5+ years of software engineering experience.
• Experience with streaming data platforms, event-driven architectures, and stateful services.
• Strong understanding of software design, system architecture, and performance optimization.
• Experience working with large-scale datasets and backend platforms.
• Strong problem-solving and communication skills.

Responsibilities

• Building and enhancing real-time trading and market data applications
• Developing streaming data platforms and event-driven systems
• Designing and maintaining stateful services supporting critical business workflows
• Building scalable backend services and APIs
• Working with large-scale distributed architectures and data-intensive applications
• Partnering closely with traders, portfolio managers, and technology teams

Skills

Java

Streaming data platforms

Event-driven architectures

Stateful services

Performance optimization

Communication skills

Tools

Containerization technologies

Job description

Senior Software Engineer | Trading Systems | Java | NYC

I'm currently partnering with a multi-strategy hedge fund in New York City that is looking to add a Senior Software Engineer to a team responsible for building and scaling critical trading and market data platforms.

This role is heavily focused on software engineering and distributed systems development, working on high-performance applications that support trading operations and process large volumes of real-time market data.

What You'll Work On:

• Building and enhancing real-time trading and market data applications


• Developing streaming data platforms and event-driven systems


• Designing and maintaining stateful services supporting critical business workflows


• Building scalable backend services and APIs


• Working with large-scale distributed architectures and data-intensive applications


• Partnering closely with traders, portfolio managers, and technology teams

What We're Looking For:

• 5+ years of software engineering experience


• Experience with streaming data platforms, event-driven architectures, and stateful services
  
• Strong understanding of software design, system architecture, and performance optimization


• Experience working with large-scale datasets and backend platforms


• Strong problem-solving and communication skills

Nice to Have:

• Bloomberg products


• Trading applications


• Containerization technologies

Location: New York City

Schedule: 4 days onsite