Software Engineer - Low Latency

DTI
New York, NY, United States
about 2 months ago

Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Working hours
Regular working hours
Job source

Tech stack

Java (Programming Language) Application Programming Interfaces (APIs) Unit Testing Program Optimization Code Review Data Structures Software Design Patterns Fault Tolerance Java Virtual Machine (JVM) Java Native Interface Linux Kernel Packet Analyzer
+9 more
Network Protocols Performance Tuning Transmission Control Protocol (TCP) Transaction Processing (Computing) Diagnostic Tools Multithreading Build Management Low Latency Asynchronous Programming

Job description

  • Design and develop secure, scalable, and reliable technology solutions.
  • Focus on architecture and solution efficiencies while balancing performance, capacity, reliability, and core system functionality.
  • Identify opportunities for code optimization and performance improvements.
  • Participate in code reviews and assist with environment builds, deployments, release notes, and build notices.
  • Proactively identify and mitigate code defects and troubleshoot application issues.
  • Develop optimized application modules and unit tests with minimal guidance.
  • Interpret low-level designs and integrate them into larger application architectures.
  • Communicate and share design ideas using system design tools.
  • Utilize low-level diagnostic tools such as packet captures and hardware performance counters.
  • Tune applications and systems for high throughput and low latency using modern multi-processor architecture concepts.
  • Apply software design patterns and contribute to engineering best practices and process improvements.

Requirements

  • Strong understanding of algorithm analysis and data structure selection based on performance constraints.
  • Expertise in:
  • Multithreading
  • Concurrent data structures
  • Shared memory
  • Asynchronous programming
  • JNI (Java Native Interface)
  • Java NIO
  • HashMap and related collections
  • Strong understanding of queue theory and queue implementation strategies.
  • Experience with networking protocols including TCP and UDP.
  • Knowledge of redundancy and fault-tolerance techniques.
  • Strong understanding of JVM internals and garbage collection tuning.
  • Advanced knowledge of Linux OS and Linux kernel internals.
  • Experience tuning applications for high-performance, low-latency environments., * Experience with EF_VI, JNI, and Solarflare Onload Extension APIs.
  • Knowledge of:
  • Thread pinning
  • Interrupt handling
  • Core isolation
  • Jitter reduction techniques
  • NUMA architecture
  • TLB caches
  • Experience working in ultra-low latency or high-frequency transaction processing environments.

About the company

Founded in 2007, DTI (Diversified Technology, Inc.) is a successful African American owned IT Consulting/Staffing firm based in Chicago’’s Loop.

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