Java Developer – Stock Loan/Securities Lending

Hadiamondstar Software Solutions LLC; New York (NY); On-site; USD 120,000 - 170,000; Full time

Job summary

Hadiamondstar Software Solutions LLC in New York seeks an experienced software engineer to design and implement scalable distributed systems and microservices. You will work with REST, GraphQL, and MQ-based integrations across the full SDLC.

The role emphasizes performance optimization, distributed caching with Hazelcast, and collaboration with AI-assisted development tools to accelerate delivery. Remote options are not specified; the ad implies on-site in NY.

Qualifications

• Strong knowledge of distributed systems, microservices, and event-driven architecture.
• Experience with REST APIs, GraphQL, API design, and performance optimization.
• Hands-on MQ-based integrations and messaging platforms.
• Experience with Hazelcast or distributed caching technologies.
• Experience across the full SDLC including development, testing, deployment, and L3 production support.
• Experience using AI-assisted development tools such as GitHub Copilot, Claude, ChatGPT, Cursor, or similar.

Skills

Distributed Systems

Microservices

Event-Driven Architecture

REST APIs

GraphQL

API/Schema Design

Performance Optimization

MQ-Based Integrations

Messaging Platforms

Hazelcast

Distributed Caching

Full SDLC

L3 Production Support

AI-assisted Development Tools

GitHub Copilot

Claude

ChatGPT

Cursor

Tools

GitHub Copilot

Claude

ChatGPT

Cursor

Job description

• Strong knowledge of Distributed Systems, Microservices & Event-Driven Architecture.
• Experience with REST APIs, GraphQL, API/Schema Design & Performance Optimization.
• Hands-on experience with MQ-based integrations and messaging platforms.
• Experience with Hazelcast or distributed caching technologies.
• Experience across the full SDLC, including development, testing, deployment & L3 production support.
• Experience using AI-assisted development tools such as GitHub Copilot, Claude, ChatGPT, Cursor, or similar.

Experience with MQ integrations, trade lifecycle processing, workflow automation, and L3 production support is highly important.