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C++ Quant Developer Jobs in Chicago, IL (NOW HIRING)

Flow Traders

Senior Software Engineer, C++

Chicago, IL · On-site

$185K - $225K/yr

As a C++ Engineer, you will build systems used to analyze and trade tens of thousands of products ... Working closely with Technologists, Quantitative Researchers, and Traders, you'll guide the ...

DB E.C.O. North America

Senior Consultant

Chicago, IL · On-site

$118K - $153K/yr

C.O." representing "Engineering, Consulting and Operations") offers specialized rail and transit ... Perform research and quantitative analyses, conduct and coordinate studies and lead workshops.

P2P

Senior Software Engineer, C++ (Algo)

Chicago, IL · On-site

$150 - $250/hr

... devops, testing and release management. We are looking for talented programmers eager to develop ... Collaborate with quantitative researchers and traders on strategy development * Design, develop ...

DRW

Senior Software Engineer, C++ (Algo)

Chicago, IL · On-site

$150K - $250K/yr

... devops, testing and release management. We are looking for talented programmers eager to develop ... Collaborate with quantitative researchers and traders on strategy development * Design, develop ...

DB E.C.O. North America

Senior Consultant

Chicago, IL · On-site

$118K - $153K/yr

C.O." representing "Engineering, Consulting and Operations") offers specialized rail and transit ... Perform research and quantitative analyses, conduct and coordinate studies and lead workshops.

Old Mission

C++ Software Engineer

Chicago, IL · On-site +1

$175K - $300K/yr

About the Position Old Mission Capital LLC, is looking to add several C++ Software Engineers to ... and Quants to develop the next generation of the firm's trading algorithms and strategies.

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All JobsC++ Quant Developer JobsC++ Quant Developer Jobs in Chicago, IL

C Quant Developer information

See Chicago, IL salary details

$171.1K

$213.3K

$243.6K

How much do c++ quant developer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for c++ quant developer in Chicago, IL is $213,297.00, according to ZipRecruiter salary data. Most workers in this role earn between $189,900.00 and $236,700.00 per year, depending on experience, location, and employer.

What is a C++ quant developer?

A C++ Quant Developer is a specialized software engineer who builds and maintains quantitative trading models, tools, and infrastructure for financial institutions using the C++ programming language. Their work involves implementing algorithms for pricing, trading, and risk management, often in high-frequency or low-latency environments. They collaborate closely with quantitative analysts ('quants') to translate mathematical models into efficient, reliable code. This role requires strong programming skills, a solid understanding of mathematics and finance, and the ability to optimize code for performance-critical applications.

What does a C++ quant developer do?

The duties of a C++ quantitative developer involve financial software development using the C++ programming language. In many cases, other traders or Quant professionals write prototype code for financial institutions in a programming language such as Python or R. This prototype code is then translated into C++ by a quantitative developer. Qualifications to become a quantitative developer include a bachelor’s degree in financial engineering, computer science, or a closely related field.

What are the key skills and qualifications needed to thrive as a C++ quant developer, and why are they important?

To excel as a C++ Quant Developer, you typically need strong programming skills in C++, a solid foundation in mathematics or quantitative finance, and at least a bachelor's degree in a technical field such as computer science, mathematics, or engineering. Familiarity with financial libraries, low-latency trading systems, and version control tools like Git is common, and proficiency in UNIX/Linux environments is often required. Exceptional problem-solving abilities, attention to detail, and effective communication skills distinguish top performers in this role. These competencies enable developers to design robust, efficient trading algorithms and collaborate effectively with quantitative researchers and traders in high-stakes financial environments.

What are some common challenges faced by C++ quant developers when implementing trading algorithms in a live environment?

C++ Quant Developers often face challenges related to optimizing code for ultra-low latency and high reliability, as even minor inefficiencies can impact trading performance. Debugging and testing algorithms in a live environment is complex due to the need for accuracy, speed, and managing large volumes of data under real-time constraints. Collaboration with quantitative analysts, traders, and infrastructure teams is essential to ensure that models are not only mathematically sound but also robust and scalable in production. Staying updated with the latest advancements in both C++ and financial technology is also crucial for success in this role.

What is the difference between C++ Quant Developer vs Quantitative Analyst?

AspectC++ Quant DeveloperQuantitative Analyst
Required CredentialsDegree in Computer Science, Mathematics, or related field; programming certificationsDegree in Finance, Economics, or Mathematics; often CFA or FRM certifications
Work EnvironmentFinancial firms, hedge funds, trading firms; focus on software developmentFinancial institutions, asset management; focus on data analysis and modeling
Employer & Industry UsagePrimarily in quantitative trading and algorithm developmentRisk management, investment analysis, and strategy formulation

The main difference is that C++ Quant Developers focus on building and optimizing trading systems using C++, while Quantitative Analysts analyze data and develop models to inform trading strategies. Both roles require strong quantitative skills, but their daily tasks and focus areas differ significantly.

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C Quant Developer jobs near you
Infographic showing various C++ Quant Developer job openings in Chicago, IL as of August 2026, with employment types broken down into 92% Full Time, and 8% Contract. Highlights an 84% In-person, 8% Hybrid, and 8% Remote job distribution, with an average salary of $213,297 per year, or $102.5 per hour.

Senior Software Engineer, C++

Flow Traders

Chicago, IL • On-site

$185K - $225K/yr

Full-time

Re-posted 26 days ago

Job description

Flow Traders is looking for Senior C++ Software Engineers to join our growing team in New York or Chicago. Software Engineers at Flow Traders provide us with our competitive edge, equipping Researchers and Traders with the information and capabilities that they need to make sound business decisions. C++ plays a critical role in our event-driven trading systems, which are designed to reliably handle vast amounts of data at ultra-low latencies.
As a C++ Engineer, you will build systems used to analyze and trade tens of thousands of products across hundreds of global trading venues every day. Working closely with Technologists, Quantitative Researchers, and Traders, you'll guide the development of our in-house trading technology and optimize it to achieve market-leading performance and reliability. Our proprietary trading platform includes everything from venue connectivity (feed handlers and ordering gateways) to trading engines to shared platforms that enable us to work quickly and efficiently - we are proud of our open and collaborative culture, so you'll have plenty of opportunity to find what fits you best.
Teamwork is one of our most important firm values, and end users are never more than a short walk away, guaranteeing short feedback loops and immediate insight into the value that your code provides. To foster collaboration and innovation, we maintain shared libraries, encourage code re-use, and continuously evolve our views on application architecture.
What you will do
For all C++ openings:
  • Lead the development and global rollout of our Core platform used in multiple business/focus groups (Market data, Quantitative research, Pricing, Strategies)
  • Be involved in the development process, which will be a fast-paced iterative process where you deploy your deliverables and validate them yourself and/or together with traders or quants
  • Develop tools/frameworks to deliver capabilities for tuning/develop data-driven systematic pricing and trading strategies
  • Work together with focus group engineers, Quants and Technical traders to refine requirements, collect feedback, and iterate on design and implementation of platform requirements

Exchange Connectivity:
  • Write software that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as FIX, Websocket or HTTP requests
  • Ensure quality of software based on a set of testing suites, which you are expected to use, maintain and extend
  • Optimize exchange communication through kernel bypass, optimizing TLS or the connection handling to an exchange
  • Research exchange behavior in detail to align our behavior to that of an exchange
  • Implement these solutions using the provided exchange SDKs in different languages such as C++, Rust, Python, Typescript

Trading Strategies:
  • Implement trading algorithms based on requirements provided by traders and quants
  • Acquire and develop the necessary trading knowledge to successfully translate the requirements into actual software implementation
  • Continuously improve the stability, reliability, and performance of the trading engine
  • Enhance monitoring and observability in collaboration with the Trading Operations team
  • Investigate and resolve production issues such as crashes, unexpected business logic behavior, and performance bottlenecks
  • Prepare for releases and deployments of new trading engine versions
What you need to succeed
  • BSc, MSc, or PhD in Computer Science, Mathematics or equivalent
  • 5+ years post-graduation professional C++ software development experience (proprietary trading industry preferred)
  • Ability to write clean, reliable, and highly scalable code
  • Good knowledge of algorithms and data structures
  • Experience in parallel, asynchronous, and multithreaded programming
  • Interest in achieving maximum performance from available hardware and software
  • Ability to communicate with technical and non-technical business colleagues

At Flow Traders, we acknowledge the importance of open and transparent communication whether it be with our employees, our stakeholders, or our local and global communities. When it comes to salary, Flow Traders uses reliable market research to create base ranges. Where candidates will fall within the range depends on a few different factors including but not limited to level of experience, location, and specific skill set. We also consider ourselves one global team, and to demonstrate that, all employees are eligible to share in the company's success through an annual discretionary variable remuneration allocated based on company, group and individual performance and contribution.
Per NYC salary transparency law, the total compensation for this role includes a base range of $185,000 to $225,000 plus annual discretionary variable remuneration.
Flow Traders does not accept unsolicited resumes from any professional staffing or search firms. All resumes, and any other information identifying potential candidates, submitted to any employee at Flow Traders via-email, the Internet or directly without a valid and signed search agreement will be deemed free to contact by Flow Traders without any restrictions and no placement fee of any kind will be paid in the event the candidate is hired by Flow Traders.
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