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Hudson Information Technology and Manpower Services

Full Stack Developer (2-4 years)

Posted 3 Days Ago
Hybrid
Chicago, IL, USA
30-40 Hourly
Mid level
Hybrid
Chicago, IL, USA
30-40 Hourly
Mid level
Design, develop, and optimize high-performance Core Java applications for scalable, high-throughput distributed systems. Lead architecture discussions, troubleshoot and tune performance, implement concurrency and JVM optimizations, conduct code reviews, support deployments and production stability, and drive engineering best practices and technical projects across teams.
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Position Overview

We are seeking a highly skilled Lead Software Engineer to join a high-performing engineering team focused on building and optimizing scalable, high-throughput enterprise systems. This role is ideal for a senior engineer with deep Core Java expertise and strong experience designing and supporting distributed systems where performance, reliability, resiliency, and scalability are mission-critical.

Key Responsibilities

  • Design, develop, and optimize high-performance Core Java applications.

  • Lead architecture discussions around scalability, throughput, latency, and resiliency.

  • Analyze, troubleshoot, and improve application performance across distributed environments.

  • Develop optimized, maintainable, and scalable software components and unit tests.

  • Conduct code reviews and identify opportunities for optimization and risk mitigation.

  • Support deployments, release management, and production stability initiatives.

  • Collaborate with engineering teams to resolve complex technical challenges.

  • Tune applications for multi-threaded and high-concurrency environments.

  • Drive engineering best practices, design patterns, and continuous improvement initiatives.

  • Lead technical projects and influence engineering direction across teams.

Required Qualifications

  • 2-4 years of hands-on Core Java development experience.

  • Strong expertise in:

    • Multi-threading

    • Concurrent programming

    • Shared memory and synchronization

    • JVM internals and Garbage Collection tuning

    • JNI and NIO

    • Concurrent data structures and collections

  • Strong knowledge of algorithms and data structures.

  • Experience with TCP/IP networking, including TCP and UDP protocols.

  • Experience building scalable, high-throughput distributed systems.

  • Strong troubleshooting, debugging, and performance optimization skills.

  • Experience participating in architecture and system design discussions.

  • Ability to balance reliability, scalability, and performance requirements.

Preferred Qualifications

  • Experience in financial services, trading platforms, or derivatives systems.

  • Exposure to cloud technologies.

  • Knowledge of fault tolerance and redundancy patterns.

  • Experience with BDD testing frameworks.

  • Experience supporting low-latency systems.

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