Senior Software Engineer – Low Latency
DTI•Chicago, IL
•Hybrid
About The Position
We are seeking a Senior Software Engineer – Low Latency to engineer secure, scalable, and reliable technology solutions that support critical business operations and risk management initiatives. This role requires minimal supervision and focuses on building high-performance, low-latency systems while driving architecture efficiency, code optimization, and system reliability.
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.
Nice To Haves
- 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.
Responsibilities
- 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.
Benefits
- Equal Opportunity Employer
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
