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Freelance Algorithmic Trading Software Developer Jobs in New York

Galaxy

VP, Algo Trading / SOR Developer

New York, NY · On-site

Who You Are: We're seeking an experienced Algo Trading / SOR Developer to join our team in Hong ... In this role, you will take a lead in developing greenfield algorithmic trading systems, shaping ...

New

Navtech, Inc.

Algo Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

Algo Java Developer Location: New York, NY (Remote until Covid is resolved, then in office ... The Cash Equities Algorithmic Trading Technology team runs the execution stack from client FIX ...

Galaxy

VP, Algo Trading / SOR Developer

New York, NY · On-site

Who You Are: We're seeking an experienced Algo Trading / SOR Developer to join our team in Hong ... In this role, you will take a lead in developing greenfield algorithmic trading systems, shaping ...

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Freelance Algorithmic Trading Software Developer information

What is the difference between Freelance Algorithmic Trading Software Developer vs Quantitative Analyst?

AspectFreelance Algorithmic Trading Software DeveloperQuantitative Analyst
CredentialsProgramming skills, trading platform knowledge, possibly certifications like CQFMathematics, statistics, finance degrees, certifications like CFA
Work EnvironmentIndependent, remote, project-basedOffice-based, team-oriented, financial institutions
Industry UsageDevelops trading algorithms for clients or own tradingAnalyzes financial data to inform trading strategies

While both roles involve quantitative skills and financial markets, Freelance Algorithmic Trading Software Developers focus on building and implementing trading algorithms independently, often working remotely. Quantitative Analysts typically analyze data within financial firms to develop trading strategies, often working in team environments. The roles overlap in technical skills but differ in scope and work setting.

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Freelance Algorithmic Trading Software Developer jobs near you

Quantitative Analyst, Equities Algorithmic Trading, VP

Citigroup, Inc.

New York, NY • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 15 days ago

Citibank rating

8.3

Company rating: 8.3 out of 10

Based on 177 frontline employees who took The Breakroom Quiz

39th of 170 rated banks

Job description

Citi's Markets Quantitative Analysis (MQA) group is seeking a highly skilled VP Quantitative Analyst to join its Equities team. This role is central to the research, design, implementation, and maintenance of cutting-edge Equities Execution Algorithms for Citi's clients and internal trading desks, with a specific focus on North America and LATAM markets. This position offers a unique opportunity to apply strong quantitative, technical, and soft skills to foster innovation within a collaborative team culture, directly impacting trading businesses, control functions, and the global client base.
Key Responsibilities
  • Algorithmic Development & Enhancement:
    • Design and develop new algorithms and strategies for the next generation equity trading platform initiative at Citi.
    • Research, design, and implement improvements for existing algorithmic trading strategies (e.g., VWAP, liquidity seeking).
    • Develop and enhance quantitative models, including optimal schedule, market impact models, and short-term predictive signals (e.g., fair value).
    • Implement algorithm enhancements and customizations with production-quality code, applying best practices for modular, reusable, and robust trading components.
  • Data Analysis & Modeling:
    • Perform in-depth analysis of large datasets comprising market data, orders, executions, and derived analytics.
    • Apply statistical modeling and machine learning techniques for data analysis and signal generation.
    • Conduct flow analysis and performance tuning for various client flows.
    • Provide data and analysis to support initial model validation and ongoing performance analysis.
  • Collaboration & Support:
    • Collaborate closely with traders, risk managers, product, sales, and technology teams to integrate quantitative tools into daily workflows and address complex client requests.
    • Provide quantitative support and expertise for new product development.
  • Risk Management & Compliance:
    • Design and execute backtesting frameworks to assess model performance and robustness under different market conditions.
    • Maintain comprehensive documentation of models, methodologies, and validation processes, ensuring adherence to internal standards and regulatory requirements.
    • Work in partnership with Risk & Control, Legal, Compliance & Audit teams to ensure appropriate governance and compliance with industry regulations.
    • Appropriately assess risk when making business decisions, safeguarding Citigroup, its clients, and assets, and escalating control issues with transparency.
    • Adhere to Citi's Code of Conduct, policies, and procedures, fostering a culture of responsible finance and ethics.

Required Qualifications & Skills
Education:
  • Advanced degree (Master's or Ph.D.) in a computer science or quantitative field such as Financial Engineering, Mathematics, Statistics, Physics, Computer Science, or a related discipline preferred.

Experience:
  • Minimum 5 years of experience in trading or real time algorithm development, quantitative analysis or model development within a trading environment at a financial institution, with at least 3 years focused on research and development of agency execution algorithms, smart order routing strategies, liquidity seeking strategies, market making strategies, or high-frequency trading strategies.
  • Excellent grasp of algorithms and systems development, low latency and high performance computing experience desired.
  • Experience with Predictive signal, Market Impact, and Optimal Trading schedule models is desirable.

Technical Skills:
  • Strong analytical and quantitative skills with a solid understanding of stochastic calculus, probability theory, and statistical modeling techniques.
  • Programming, software design skills and Java experience desirable.
  • Strong programming skills in Python or R (statistical programming languages).
  • Experience with numerical libraries and data manipulation.
  • Experience with Q/KDB or other time series databases is desirable.

Licenses:
  • Will be required to either already possess or apply upon arrival for Series 7 and 63 licenses.

What Citi Offers
Joining Citi means becoming part of a global institution committed to fostering an inclusive and diverse workplace where talent thrives. We believe in providing an environment where everyone feels comfortable coming to work as their whole self, every day. As a Quantitative Analyst VP, you will be offered competitive compensation, comprehensive benefits, and a wealth of opportunities for professional development and career growth. You will have access to a vast array of learning resources and the chance to work alongside some of the brightest minds in the financial industry. We encourage our employees to continuously expand their skill sets, take on new challenges, and contribute to innovative solutions that shape the future of finance.
Job Family Group:
Institutional Trading
Job Family:
Quantitative Analysis
Time Type:
Full time
Primary Location:
New York New York United States
Primary Location Full Time Salary Range:
$175,000.00 - $250,000.00
In addition to salary, Citi's offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.
Most Relevant Skills
Please see the requirements listed above.
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.
Anticipated Posting Close Date:
Aug 09, 2026
Automated Processing and AI
We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.
Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.
Illinois residents - AI Notice and Right
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi's EEO Policy Statement and the Know Your Rights poster.

What Citibank employees say

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Benefits

Hours and flexibility

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Get the full story on Breakroom

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About Citigroup Inc

Sourced by ZipRecruiter

We live in an increasingly complex world. Companies these days are either born global or are going global at record speed. Business and geopolitics are forging an entirely new dynamic and consumers now expect financial services to be a seamless part of their digital lives. Citi is a bank that’s uniquely positioned for this moment. Through our vast global network and our on-the-ground expertise, we can connect the dots, anticipate change and empathize the needs of our clients and customers in ways that other banks simply cannot. Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We have set expectations for how we must act to bring our mission to life. These expectations are at the heart of our Leadership Principles – we take ownership, we deliver with pride and we succeed together.

Industry

Banking and credit intermediation

Company size

5,001 - 10,000 Employees

Headquarters location

New York City, NY, US

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