906 c engineer jobs at 373 companies in Ridgefield, CT
2mo
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C++ Developer
New York, New York, United States
$175k-$250k/yr OnsiteFull Time
2+ YOE2+ years in HFT platforms; strong C/C++ in Linux; profiling/optimization; OOP, multithreading, IPC; BS in CS/CE or related field
C++, Linux, Profiling tools
3mo
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C++ Developer
Jersey City, New Jersey, United States
$180k-$220k/yr RemoteFull Time
2+ YOE2-5 years in C++ programming; college degree in computer science or related field; strong C++ knowledge; experience with Git; able to work independently and in a team.
C++, Git, Linux, Windows, Multithreaded programming, Network Programming
2mo
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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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C# Developer
London or New York City or Europe or Asia
HybridFull Time
Strong C#/.NET development experience, Redis Cluster, TDD and automated testing, CI/CD pipeline experience, distributed/real-time systems knowledge, strong CS fundamentals and stakeholder communication.
C#, .NET, Redis Cluster, Rx .NET, TDD, CI/CD
2mo
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Software Developer C/C++ (Fintech / Payments)
New York, New York, United States
$120k-$130k/yr HybridFull Time
5+ YOE5+ years C++ experience; legal working rights in the United States.
1mo
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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)
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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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C++/ Python Developer – Algo & Analytics
Great Neck, New York, United States
$100k-$110k/yr OnsiteFull Time
3+ YOE3+ years software development experience, degree in CS or equivalent, strong C++ and Python skills, UNIX experience, problem-solving, client-facing communication; trading algos and time-series/big-data exposure useful.
C++, Python, UNIX, FlexStrategy Server
2w
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C# .NET Developer
East Haven, Connecticut, United States
OnsiteFull Time
2+ YOE.NET Framework/.NET Core and C# experience, Blazor, SQL Server (2016+), REST/SOAP, Visual Studio, Git, HTML/CSS/JavaScript, web API development, Agile experience.
.NET Framework, .NET Core, Blazor, C#, SQL Server 2016, ASP.NET, ADO.NET, REST, SOAP, Visual Studio, Git, HTML, CSS, JavaScript, JSON, AJAX, Wrike, Jira, bash, PowerShell, cmd
3w
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Senior Software Engineer, C++
Amsterdam or New York City
$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 skills, BSc/MSc/PhD in CS or Mathematics, experience with low-latency systems and exchange connectivity.
C++, Rust, Python, TypeScript, FIX, WebSocket, HTTP, TLS
1d
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I&C Engineer
Cambridge or New York
$100k-$180k/yr HybridFull Time
5+ YOEBachelor's degree in engineering,5+ years I&C experience,3+ years in power generation or regulated facilities,PLC/DCS programming,hardware design,testing,commissioning,and ability to travel to project sites.
Ovation, Allen-Bradley ControlLogix, Siemens S7, Python, C/C++
2w
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Software Engineer (C++/C#)
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
5+ YOEStrong proficiency in C++ and C#, 5+ years software engineering experience preferred, experience with low-latency systems, message parsers, multithreading, and maintaining client libraries.
C++, C#, Java, lldb, gdb
3mo
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C# Engineer - Excel Platform, Equity Research Technology
New York, New York, United States
$175k-$250k/yr OnsiteFull Time
5+ YOE5+ years Excel add-in development in C#, experience with Excel-DNA/VSTO/COM, ASP.NET Core Web API, CI/CD and Windows Server/IIS deployments, Python, AI/LLM concepts, and strong analytical and communication skills.
C#, Excel, Excel-DNA, VSTO, COM, ASP.NET Core Web API, REST APIs, CI/CD, Windows Server, IIS, Linux, Python, AI/LLM, Office.js, VBA, Bloomberg
1w
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Senior C# Developer with SWAP OR Equities Experience
New York, New York, United States
$140k-$160k/yr OnsiteFull Time
5+ YOE5+ years C#/.NET and capital markets experience (equity swaps/synthetic prime) with SQL, messaging, and front-office support; strong communication and problem-solving skills.
C#, .NET, Visual Studio, TFS, JIRA, Microsoft SQL Server, Kafka, Microsoft Excel, Angular, WPF, Windows services, Web Services
1mo
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SVP Senior C++ Market Data Engineer
Jersey City, New Jersey, United States
$177k-$265k/yr HybridFull Time
12+ YOE12+ years building low‑latency, high‑throughput systems with modern C++, experience with real‑time market data, Aeron, UDP multicast, Linux/kernel tuning, NUMA and profiling; Bachelor's in CS/Engineering or equivalent.
C++, Aeron, Linux kernel
1w
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Lead C++ Software Engineer - New York - Hybrid - FreeWheel
New York City, New York, United States
$175k-$262k/yr HybridFull Time
5+ YOE5+ years relevant experience, strong C/C++ and distributed systems skills, DB design and network programming experience, bachelor's degree preferred, leadership and SDLC/Agile familiarity.
C/C++, Open RTB
1mo
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Senior Software Engineer, Build Team (C/C++)
United States or New York City
$191k-$260k/yr HybridFull Time
5+ YOE5+ years professional C/C++ experience (C++11/14/17), proven work in large-scale C++ codebases, deep knowledge of memory, multithreading, and performance, technical leadership, and experience working in cross-functional teams.
C, C++, C++11, C++14, C++17, Docker, Kubernetes, API, RESTful, AI/ML
2mo
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I&C Hardware Engineer II (Windsor, CT, US, 06095)
Windsor or Warrendale
$69k-$87k/yr HybridFull Time
3+ YOEBachelor's in Electrical Engineering; knowledge of analog/digital circuit design; awareness of field devices; experience with AutoCAD/3D modeling; team collaboration; 3+ years experience.
AutoCAD, 3D Modeling, Electrical Design
1mo
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Senior Developer I - Full Stack C# Developer (Private Wealth Technology)
New York, New York, United States
$110k-$150k/yr HybridFull Time
4+ YOE4+ years C#/.NET development experience, Microsoft SQL Server, Angular, SOAP/REST integrations, Agile experience; degree in CS/Engineering or equivalent experience; strong communication and ownership mindset.
C#, Microsoft .NET, Microsoft SQL Server, Angular, SOAP, REST, XML, JSON, Charles River OMS, Microsoft Azure, Git, CI/CD, GitHub Copilot, Cursor
1mo
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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