62 network software engineer jobs at 39 companies in Illinois
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Principal Software Development Engineer (IC4) - Network Region Build (NRB)
United States or Abilene or Austin or Nashville or Chicago or Pittsburgh or Philadelphia or Saline
$115k-$235k/yrOnsiteFull Time
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
6+ YOEStrong software engineering in Python/Java/Go/Rust, networking fundamentals (BGP, TCP/IP, IPv6), experience with distributed systems, Git and CI/CD, Linux production environments; 6+ years experience.
Headlands Technologies: A global proprietary trading firm utilizing quantitative algorithms.
Strong C++ ability, fundamentals of software engineering, experience building scalable distributed systems, network programming, and performance optimization; computing degree preferred or extensive professional experience.
San Jose or New York City or New York or Washington or Illinois or United States or Canada
$124k-$174k/yrHybridFull Time
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
3+ YOEBachelor's degree and 3+ years engineering experience; proficiency in C++ and Python; experience with algorithms, data structures, and networking; debugging and community engagement experience preferred.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEBachelor's in CS/CE/EE,5+ years experience,proficiency in C/C++/Python,Windows/Linux/Unix,EMBEDDED and networking experience,TS/SCI clearance required (sponsorship available).
Optiver: Global market maker providing liquidity to financial markets.
Experienced engineers with strong CS fundamentals, systems-level programming (C/C++), Linux and networking knowledge, project leadership experience, ownership mindset, and ability to work with traders and researchers.
DRW: Technology-driven principal trading firm operating in global financial markets
Degree in CS/Math/Physics or related expected by June 2027; proficiency in C++, Java or Python; experience with multi-threading, network programming (TCP/IP), API design, data processing, and algorithms.
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
5+ YOE5+ years building production software in performance-critical environments; strong C++ and Rust experience; real-time streaming and low-latency systems expertise; concurrency, memory, and network programming skills.
State Farm: Provider of auto, home, life, and health insurance.
Professional or project experience with SwiftUI or UIKit, iOS networking/RESTful API integration, familiarity with MVVM, strong Swift fundamentals, unit testing, familiarity with AI-assisted development tools; must be eligible to work in the U.S. immediately.
SwiftUI, UIKit, Swift, RESTful API, MVVM, GraphQL, Swift concurrency (async/await)
Senior Software Engineer - NVLink Rack Scale Stability and Reliability
Santa Clara or Colorado or Illinois or Arizona or California or Massachusetts or United States
$152k-$288k/yrHybridFull Time
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
5+ YOE5+ years in system software/firmware/networking/platforms; strong C/C++ and Python skills; system-level debugging across software/firmware/hardware; networking fundamentals; BS/MS in CS/CE/EE or equivalent experience.
Utah or New York or California or Texas or Colorado or New York City or San Francisco or Connecticut or Illinois or District of Columbia or Maryland or Massachusetts or New Jersey or Washington or Virginia or Alaska
$102k-$214k/yrRemoteFull Time
Proofpoint: Provides cybersecurity solutions for email, cloud, and data protection.
Build and maintain tooling and environments for threat research; experience with network inspection, virtualization, scripting (Lua/Python), regex/PCRE, web apps, APIs, databases, containers.
BlackEdge Capital: Proprietary trading firm specializing in options market making.
Strong command of modern C++ for performance-critical, low-latency systems; deep OS/memory/concurrency knowledge; ability to co-design with FPGA hardware; collaborative communication skills. FPGA, kernel-bypass networking, ML, or market microstructure experience preferred.
Atlanta or Boston or Chicago or Denver or Los Angeles or New York City or San Francisco or Austin or United States
$130k-$160k/yrRemoteFull Time
Flock Safety: Sells AI-powered cameras and software for public safety surveillance.
3+ YOE3+ years in embedded/OS-level development, deep Android/AOSP and cellular connectivity experience, telemetry and networking proficiency, strong cross-functional collaboration and communication.
Android, AOSP, SELinux, Radio Interface Layer (RIL), AT commands, eSIM, Qualcomm, TCP/IP
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or District of Columbia or Wisconsin or United States
$160k-$200k/yrHybridFull Time
NinjaTrader: Provides futures brokerage services and a trading software platform.
8+ YOEBachelor's degree in CS or related, 8+ years building reactive, message-driven distributed near real-time systems, 5+ years Scala, experience with Kubernetes and cloud (e.g., Google Cloud Platform), CI/CD (Jenkins/GitHub Actions), strong debugging and networking protocol knowledge.
BroadcomNASDAQ: AVGO: Designs and sells semiconductors and infrastructure software to enterprises.
8+ YOESenior mainframe software engineer with 8+ years z/OS development, mastery of REXX, SMF parsing, mainframe debugging tools, familiarity with network security protocols, and experience delivering production software.
z/OS, REXX, SMF, zERT, XDC, IPCS, SYSLOG, TLS, SSH, IPSEC, Assembler, Metal C, JCL, ISPF, CLIST, IBM C, RESTful API, ZOWE, Endevor, NetMaster, SOLVE, TCP/IP, RACF, ACF2, Top Secret
FEV North America: Develops and tests propulsion systems and vehicle technologies.
5+ YOEBachelor's in engineering/computer science, 5+ years in embedded software test automation, strong Python, experience with CANoe/CANalyzer, Qt/QML/Squish, virtualization/emulation, network protocols (ISO11783, J1939, ISO25119, NMEA 2000), and git/CI/CD.
Snap-onNYSE: SNA: Designs and manufactures professional tools and diagnostic equipment.
5+ YOE5+ years C/C++ embedded experience with RTOS, familiarity with Android, strong debugging and communication skills, experience with multi-threading, ARM-based designs, and embedded networking protocols.
C, C++, Android, IAR Integrated Development Environment, Visual Studio, Windows SDKs, Android Studio, Android SDK, SMX RTOS, RTOS, ARM, Cortex-M7, STM32H7, Tara Systems Embedded Wizard, GitHub Copilot, Bluetooth, Wi-Fi, HTTPS, Sockets
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
3+ YOEBachelor's degree preferred, 3+ years relevant experience, C++ and Python experience, distributed systems and network programming, DB design, Open RTB familiarity, SDLC/Agile knowledge, ability to work global/variable hours.
SESEuronext Paris: SESG: Provides global satellite-based video and data connectivity services.
4+ YOELead design and development of IFEC systems and related networks; define system requirements; collaborate with product, software, and hardware teams.
Kranze Technology SolutionsNYSE: SPXC: Develops countermeasure systems and networking solutions for military aircraft.
10+ YOEBachelor's degree in engineering with 10+ years experience, strong networking and routing knowledge, Linux and C/C++ proficiency, hardware/software troubleshooting, ability to obtain US security clearance and to travel.