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Posted 15 August, 2026

Full Stack Developer (2-4 years)

Hudson Manpower
Chicago, IL, US Full Time

Job Description

Job description

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Position Overview

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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.

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Key Responsibilities

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

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

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

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

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

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    Support deployments, release management, and production stability initiatives.

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    Collaborate with engineering teams to resolve complex technical challenges.

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

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

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    Lead technical projects and influence engineering direction across teams.

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Job requirements

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Required Qualifications

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

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    Strong expertise in:

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      Multi-threading

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      Concurrent programming

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      Shared memory and synchronization

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      JVM internals and Garbage Collection tuning

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      JNI and NIO

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      Concurrent data structures and collections

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    Strong knowledge of algorithms and data structures.

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

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    Experience building scalable, high-throughput distributed systems.

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    Strong troubleshooting, debugging, and performance optimization skills.

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    Experience participating in architecture and system design discussions.

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    Ability to balance reliability, scalability, and performance requirements.

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Preferred Qualifications

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

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    Exposure to cloud technologies.

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    Knowledge of fault tolerance and redundancy patterns.

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    Experience with BDD testing frameworks.

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    Experience supporting low-latency systems.

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All done!

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