1d
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Senior P&C Engineer
Tampa or Atlanta or Buffalo or Chicago or Los Angeles or Miami or Seattle or Boston or Dallas or Houston
RemoteFull Time
4+ YOEPE registration in the United States, Bachelor's degree in Electrical Engineering, 4+ years P&C engineering experience, knowledge of protective relays, SCADA, communication protocols, and substation automation.
SCADA, RTU, IEC 61850, GOOSE, DNP3, Modbus, SEL, GE, Siemens, ETAP, ASPEN, CYME, EasyPower, SKM, PSCAD
1mo
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Senior C++ Engineer
Krakow or Hyderabad or New York City or Chicago or London or Singapore or Hong Kong or Tokyo
HybridFull Time
4+ YOEBachelor's in Computer Science/Engineering (2:1) or equivalent, 4+ years development experience, expert C++ on Linux, Python, shell scripting, makefiles, multithreading, automated testing, gdb/Valgrind, and IP networking knowledge.
C++, Python, shell scripting, makefiles, Linux, gdb, Valgrind
1mo
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Sr. Substation P&C Engineer
Los Angeles or United States or Warrenville or Houston or Denver or Moscow
RemoteFull Time
5+ YOEBachelor's in Electrical Engineering, 5+ years substation P&C engineering experience, hands-on with relay protection (SEL, GE, Siemens, ABB), knowledge of NERC/PRC/IEEE/NEC, utilities/EPC/consulting experience; PE preferred.
SEL, GE, Siemens, ABB, AutoCAD, MicroStation, Bluebeam, SCADA
3w
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Junior C++ Developer
New York or Chicago or London
$150k-$200k/yr OnsiteFull Time
Strong foundation in algorithms, data structures, distributed systems, and software design; desire to learn low-level C++; familiarity with automated testing and CI/CD; excellent communication skills.
C++, CI/CD, Order Management System (OMS)
3w
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Junior C++ Developer
Chicago or London or New York
$150k-$200k/yr OnsiteFull Time
Strong foundation in algorithms, data structures, distributed systems, and software design; proficiency in low-level C++; familiarity with automated testing and CI/CD; strong communication and collaboration skills.
C++, CI/CD
1mo
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Senior Software Engineer C++
New York City or Chicago
$150k-$225k/yr HybridFull Time
7+ YOEExpert in low-latency Linux C++ trading systems with 7+ years software engineering experience; proficiency with Git, gdb, Valgrind, Python, bash; BS/MS in engineering/computing/science; strong communication skills.
C++, Linux, Git, gdb, Valgrind, Python, bash
2mo
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C++ Software Engineer – Latency-Critical Systems
Chicago, Illinois, United States
$110k-$150k/yr OnsiteFull Time
2+ YOE2+ years professional C++ experience; modern C++ (C++17/20); Linux/Windows; performance-focused; BS in CS/CE or equivalent
C++, Linux, Windows, STL, Performance Profiling, Debugging
1d
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Graduate C++ Developer (2027 Incoming Graduate, Full-Time)
Chicago, Illinois, United States
$125k-$200k/yr OnsiteFull Time
1+ YOEStudent graduating in 2027 with CS/Engineering degree, 1+ C++ internship experience, knowledge of low-latency systems, STL, Boost, Linux, git, and strong problem-solving and communication skills.
C++, STL, Boost, Linux, git
3mo
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C++ Engineer- FreeWheel- Onsite (Hybrid)- Chicago, IL, Denver, CO, Reston, VA or New York, NY
Chicago or New York or Reston or Denver
$110k-$188k/yr HybridFull Time
2+ YOEBachelor’s degree in computer science or related field; 2+ years in C/C++; experience with distributed systems and software development lifecycle.
C++, C, Database design, Network programming, Distributed systems, Agile, SDLC
3mo
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Engineer 3 (P&C/Substation)
Lisle or Overland Park or Homestead
OnsiteFull Time
8+ YOEBachelor's in Engineering; Professional Engineer; Driver's License; 8+ years experience; proficient with AutoCAD and/or MicroStation; relay protection design experience.
AutoCAD, MicroStation, SCADA, RTU, HMI, IED
2w
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Senior Civil Structural Engineer (LT&C)
Plainfield, Illinois, United States
$106k-$132k/yr OnsiteFull Time
6+ YOEBachelor's or Master's in civil/structural engineering, 6+ years LT&C tank engineering experience, familiarity with AISC/ASCE/IBC/API/ACI codes, PE in at least one state, Microsoft Office proficiency, strong communication skills.
Microsoft Office Professional
3w
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Principal AI Systems Engineer — C++ / Applied AI
San Jose or San Francisco or Seattle or New York City or Chicago or California
$190k-$361k/yr OnsiteFull Time
10+ YOE10+ years professional software engineering with deep C++ expertise, production integration of AI/LLMs, cross‑platform systems design, reliability and observability, architecture leadership, and strong communication skills.
C++, LLMs, GPT, Claude, Gemini, JSON-RPC, gRPC, WebSockets, REST, TLS, CI, Windows, macOS, Linux
2mo
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C++ Software Developer
Amsterdam or Chicago or London or New York City
OnsiteFull Time
Strong C++ ability, fundamentals of software engineering, experience building scalable distributed systems, network programming, and performance optimization; computing degree preferred or extensive professional experience.
C++, Linux
1mo
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Engineer, Sr Staff / Mechanical or I & C
Warrenville or Morris or Clinton or Cordova
$151k-$168k/yr HybridFull Time
10+ YOEBachelor's in engineering required with 10 years' engineering experience, technical leadership, ability to meet unescorted access/medical requirements; PE registration and advanced degree/coursework preferred.
1mo
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Firmware Engineer
Homewood, Illinois, United States
$83k-$95k/yr OnsiteFull Time
Bachelor’s degree in Computer Engineering or Computer Science; embedded firmware development experience; C/C++ programming; familiarity with RTOS and embedded peripherals.
C, C++, RTOS, Keil RTX, rtlinux, FreeRTOS, UART, SPI, I2C, CAN, PCIe, Ethernet, USB, TCP/IP, UDP, Or-CAD, PADS, Cadence, Cad Capture, Xilinx, Altera FPGA
4d
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Principal Software Developer - Full Stack (Unity, C#)
Austin or San Mateo or Carlsbad or Chicago or Eugene or Toronto
$114k-$180k/yr OnsiteFull Time
6+ YOEB.Sc. or equivalent, 6+ years game/mobile software experience, expert C#, 3+ years Unity, shipped mobile titles, experience with performance profiling, AWS, Kubernetes, Datadog, and git.
Unity, C#, AWS, Kubernetes, Datadog, git, Claude Code
3w
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Senior P&C Engineer in Tampa, Florida, United States
Tampa or Atlanta or Buffalo or Chicago or Los Angeles or Miami or Seattle or Boston or Dallas or Houston or United States
RemoteFull Time
4+ YOEUS PE registration, Bachelor's or Master's in Electrical Engineering, 4+ years P&C experience for transmission/distribution/HVDC/renewables, protective relays/SCADA/protocol knowledge, ETAP proficiency.
SCADA, RTU, IEC 61850, GOOSE messaging, DNP3, Modbus, SEL, GE, Siemens, ETAP, ASPEN, CYME, EasyPower, SKM, PSCAD
2w
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.NET Developer (C#)
Rosemont, Illinois, United States
$87k-$109k/yr OnsiteFull Time
1+ YOE1–2 years .NET/C# and programming experience (or 3–5+ yrs with HS/GED), Microsoft SQL Server and PowerShell experience, REST/SOAP integration, JSON/XML knowledge; ability to travel ~10–15%.
.NET, C#, Microsoft SQL Server, PowerShell, Microsoft IIS, Microsoft VBScript, JavaScript, REST, SOAP, JSON, XML, Secure FTP, IBM DB2, Microsoft Azure
1w
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Systems Engineer
Rolling Meadows, Illinois, United States
$88k-$131k/yr OnsiteFull Time
2+ YOEUS citizen with Secret clearance, STEM degree (BS+2yrs or MS/PhD), experience in model-based systems engineering, mission modeling, simulation, and proficiency with MATLAB/C/C++/Python and SysML.
C, C++, CUDA, VHDL, OpenCL, MATLAB, SysML, Cameo, Rhapsody, Python, AFSIM, STK, BRAWLER, ATCOM, ONESAF, DOORS, ClearCase, ClearQuest, UML
1w
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Senior Software Engineer, C++
Amsterdam or New York City or Chicago
$185k-$225k/yr OnsiteFull Time
Flow Traders: Provides liquidity and market making across global financial markets.
5+ YOE5+ years C++ development experience, strong algorithms and multithreading knowledge, interest in high-performance systems, and good communication skills.
C++, Rust, Python, TypeScript, FIX, WebSocket, HTTP, TLS