Senior Java Software Engineer
Informatic Technologies
Chicago, United States of America
yesterday
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English Experience level
SeniorJob location
Chicago, United States of America
Tech stack
Java
API
Unit Testing
Program Optimization
Code Review
Data Structures
Fault Tolerance
Java Virtual Machine (JVM)
Java Native Interface
Packet Analyzer
Network Protocols
Multithreading
Low Latency
Job description
This role engineers secure, scalable and reliable technology solutions, with minimal mentoring, to advance Client in the global marketplace and serve risk management needs of customers around the world
Principal Accountabilitie
- s:Focuses on Architecture and Solution efficiencies. Balances performance, capacity and reliability with core system functionalit
- y.Identifies potential opportunities for code optimization. Provides input for code reviews and helps with environment build deployments, release notes and build notices; Reviews code to proactively identify and mitigate potential issues and defects and helps to identify sources of defects as well as troubleshoots various forms of cod
- e.Writes optimized application modules and unit tests with minimal guidance. Understands low-level designs and how to incorporate into the larger applicatio
- n.Uses design tools to frequently share and communicate design ideas on larger systems. Comfortable using low level tools to examine the system (i.e. packet capture, hardware counters, etc
- ).Utilizes knowledge of modern multi-processor architecture to tune the applications and systems for high throughput and low latenc
- y.Uses patterns frequently, contributing to best practice and process enhancemen
Requirements
Skills & Software Requireme
- ntsAbility to evaluate the characteristics of algorithms and data structures for the given constra
- intProficiency in Multi-threading, concurrent data structures, shared memory, asynchronization, JNI, NIO, Hashmap e
- tc.Understands queue theory and various designs and implementations to enhance system performan
- ce.Experience working with networking protocols (UDP, T
- CP)Familiarity with redundancy and fault tolerance techniq
- uesUsage of EF_VI, JNI, On-load Solar Flare extension API's prefer
- redDemonstrate the understanding of thread pinning, interrupts, isolating cores, jitters, numa node, TLB Cache's etc. will be an added val
- ue.Familiar with JVM internals and garbage collection tun
- ingAdvanced knowledge of Linux kernel/OS intern