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Open Systems Technologies
Open Systems Technologies

60 Open Systems Technologies Quantitative Developer Jobs Hiring Near You

Open Systems Technologies

C++ Developer

Manhattan, NY · On-site

$300K/yr

Responsibilities * Working alongside hardware and software developers to build ultra-low latency trading systems * Designing and implementing a low latency, high-frequency trading platform ...

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What are the key skills and qualifications needed to thrive as a Quantitative Developer, and why are they important?

To thrive as a Quantitative Developer, you need expertise in mathematics, statistics, programming (often in Python, C++, or Java), and a strong background in quantitative finance or a related field. Familiarity with financial modeling tools, version control systems like Git, and experience with data analysis libraries or platforms are typically required. Strong problem-solving abilities, attention to detail, and effective communication make candidates stand out in this role. These skills are crucial for developing robust, efficient models and tools that directly support trading, risk management, and financial decision-making.

How does a Quantitative Developer typically collaborate with quantitative analysts and traders in a financial firm?

Quantitative Developers work closely with quantitative analysts to implement mathematical models into robust, efficient code that can be used by traders for real-time decision-making. They often translate research prototypes into production-ready applications, ensuring that the models are both accurate and optimized for speed. Regular communication with traders helps Quantitative Developers understand the practical requirements of trading strategies, allowing them to tailor tools and systems for maximum usability and impact. This collaborative environment is essential for quickly adapting to market changes and maintaining a competitive edge.

What are Quantitative Developers?

Quantitative Developers, often called 'quant devs,' are professionals who combine expertise in programming, mathematics, and finance to design, develop, and maintain complex financial models and trading algorithms. They work closely with quantitative analysts (quants) to implement models that analyze financial data, price securities, or automate trading strategies. Their role typically involves programming in languages like Python, C++, or Java, and working with large datasets to ensure the efficiency and accuracy of financial systems. Quantitative Developers play a critical role in investment banks, hedge funds, and financial technology firms.

What is the difference between Quantitative Developer vs Quantitative Analyst?

AspectQuantitative DeveloperQuantitative Analyst
Required CredentialsDegree in Computer Science, Mathematics, or related field; programming skills (Python, C++, Java)Degree in Finance, Economics, or Mathematics; strong analytical skills
Work EnvironmentPrimarily software development, coding, and system implementationData analysis, modeling, and strategy development
Employer & Industry UsageFinancial firms, hedge funds, trading desksInvestment banks, asset management firms, hedge funds
Common Search & ComparisonFocuses on coding and system buildingFocuses on market analysis and strategy

While both roles work within the finance industry and require quantitative skills, Quantitative Developers primarily focus on building and maintaining trading systems and algorithms through programming. Quantitative Analysts concentrate on analyzing data and developing models to inform trading strategies. The roles often collaborate but differ in their core responsibilities and skill sets.

What is it like to work at Open Systems Technologies?

Open Systems Technologies appears to be a collaborative and innovative company that prioritizes teamwork and customer satisfaction. The company's mission-driven approach is reflected in its structured team environment, where employees work together to deliver cutting-edge solutions and services to clients across various industries. Working at Open Systems Technologies may appeal to candidates who value a dynamic work environment, opportunities for professional growth, and the chance to contribute to meaningful projects that drive business success.
What other companies are hiring for Quantitative Developer jobs?
What are the most popular jobs at Open Systems Technologies?
What are the most popular categories at Open Systems Technologies?
Infographic showing various Quantitative Developer job openings at Open Systems Technologies in the United States as of May 2026, with employment types broken down into 89% Full Time, and 11% Contract. Highlights an 97% Physical, and 3% Remote job distribution.
ECS - Systems Engineer (SME-Top Secret-Onsite-Huntsville)

ECS - Systems Engineer (SME-Top Secret-Onsite-Huntsville)

Open Systems Technologies Corporation

Huntsville, AL • On-site

Full-time

Medical, Dental, Life, Retirement, PTO

Posted 12 days ago

Job description

Open Systems Technologies Corporation is looking for a Systems Engineer SME to join our high performing cyber team in support of a large SOC enterprise environment.
Responsibilities
Supervise, coordinate and/or design, develop and perform additions and changes to network hardware, infrastructure server environments, and operating systems, and attached devices, including investigation, analysis, recommendation, configuration, installation, and testing of new network hardware and software. Provide direct support in the day-to-day operations on network hardware and operating systems including the evaluation of system utilization, monitoring response time and primary support for detection and correction of operational problems. Troubleshoot at the physical level of the network, working with network measurement hardware and software, as well as physical checking and testing of hardware devices at the logical level working with communication protocols. Participate in planning design, technical review and implementation for new network infrastructure hardware and network operating systems for voice and data communication networks. Perform systems management and integration functions. Exhibiting proficiency with virtualization technologies and network administration. Maintain network infrastructure standards including network communication protocols such as TCP/IP. Provide technical consultation, training and support to IT staff as designated by the government. Diagnose and resolve complex communication problems. Perform systems management and integration functions. Responsible for design, deployment, evaluating, testing, certification, patching, addressing interoperability issues, not only of the base storage & backup system, but for all features, components, and application dependencies. Ensures systems are current with approved patches and assists with certification and system accreditation tasks, composes SOPs, and Quick Reference guides for users. Provides top level technical expertise responsible for design and development of a client/server environment. Develops strategy of client/server system and the design infrastructure necessary to support that strategy. Advises on selection of technological purchases with regards to processing, data storage, data access, and applications development. Sets standards for the client/server relational database structure for the organization. Advises of feasibility of potential future projects to management.
Required Skills:
• Clearance: Top Secret with the ability to sit for the CI Poly
• Requires BS or BA degree
• Microsoft Windows, Active Directory (R) with 10 years total experience
• Understanding of NIST 800 series publications and Federal Information Security Management Act (FISMA) compliance. (R)
Preferred Skills:
Having the following tools experience and/or certifications:
• Microsoft Windows Server Hybrid Administrator Associate
• VMware Data Center Virtualization (VCP-DCV)
• Cisco Certified Network Professional (CCNP)
• Certified Information Systems Security Professional (CISSP)
• VMWare vSphere 7 experience (P)
• Cisco Networking (P)
• Dell Server, and SAN Storage hardware experience (P)
• Familiarity with system accreditation and authorization and the FBI's ATO processes
• experience evaluating, documenting, and managing NIST 800-53 control implementations (P)
• experience with GRC tools (RiskVision, Xacta and JCAM) (P)
BENEFITS
OST has been operating since 1996 and has various contracts with Government agencies. We offer a comprehensive benefits package that includes 3 weeks paid time off, 11 Federal Holidays, medical/dental coverage, STD, LTD, Life Insurance, AD&D, 401k with up to 4% match, and end-of-year profit sharing.

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