ZipRecruiter

Log In

Open Systems Technologies
Open Systems Technologies

60 Open Systems Technologies Quantitative Developer Jobs Hiring Near You

Open Systems Technologies

Python Developer

Manhattan, NY · On-site

$150K - $250K/yr

Familiar with quantitative finance and electronic trading concepts and financial data * Equities ... orchestration technologies * Experience building and deploying systems that utilize services ...

next page

Showing results 1-20

All JobsOpen Systems Technologies JobsOpen Systems Technologies Quantitative Developer Jobs

Open Systems Technologies Jobs Information

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.
Test Engineer

Test Engineer

Open Systems Technologies Corporation

Chantilly, VA • On-site

Full-time

Posted 3 days ago

Job description

Job Summary:
Open Systems Technologies Corporation is looking for a Testing Engineer to conduct testing of technically complex software applications. The role involves evaluating system requirements, developing test procedures, performing testing, and supporting the test team execution.
Responsibilities:
• Evaluate and understand system's requirements and capabilities. Analyze high-level requirements to derive test cases.
• Develop test procedures to validate and verify requirements and capabilities.
• Perform testing on complex software applications and provide associated documentation and recommendations.
• Document workflows.
• Support test team execution, including providing input for test reviews.
Qualifications:
Required:
• CLEARANCE: Active TS/SCI w/CI poly required
• 6+ years of experience testing software applications Sound understanding of, and experience with, the testing process at both the unit testing and system testing levels.
• Experience in developing test plans/procedures, expected outcomes, and verification statements.
• Playwright automated test experience or similar (previously used Selenium)
• Comprehensive understanding of Agile & DevOps methodology and culture.
• Understanding of software lifecycle management skills related to application development tasks and planning testing cycles.
• Ability to apply in-depth knowledge of the Software Development Life Cycle to help anticipate complexities in the system.
• Proficient in JIRA/Confluence (or equivalent) and MS Excel spreadsheets.
• Strong oral and written communication skills.
• B.S. or M.S. degree in Software Engineering, Computer Science, Quality Engineering, or a related technical field.
Preferred:
• Active TS/SCI security clearance + CI Polygraph
• Security+ certification
• Experience with Java, ideally comfortable reading (not coding) Java to understand the code being tested when necessary.
• Experience with modern web client technologies and the associated front-end to-backend interactions.
• Experience developing/testing software using an Agile/Scrum methodology.
• Comfortable working with aggressive timelines, in a team environment, self-starter, and ability to work independently with a willingness to learn and grow.
• It would be beneficial for the candidate to have some background in space systems.
Company:
Open Systems Technologies (OST) Corporation is a technology solutions company that has been providing customized, high-end security solutions to large-scale enterprises since 1996. Founded in 1996, the company is headquartered in Gainesville, USA, with a team of 51-200 employees. The company is currently Growth Stage.

Apply