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Quant Developer Freelance Jobs (NOW HIRING)

Publicis Groupe Holdings B.V

Data Scientist

Manhattan, NY · On-site

$72.39K - $109.48K/yr

Apply quantitative techniques to uncover latent patterns in the data * Test scalable data pipelines ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...

Invisible Agency

$65/hr

... engineering and evaluation metrics. A master's or PhD in mathematics or a closely related quantitative field is ideal; peerreviewed publications, teaching experience, research in pure or applied ...

Blue State

$85 - $110/hr

Blue State, a creative strategy and tech agency, seeks a remote freelance UX designer and ... Work closely with visual designers, strategists, product managers, and developers throughout the ...

Blue State

Contract UX Designer (Evergreen)

New York, NY · On-site +1

$85 - $110/hr

Blue State, a creative strategy and tech agency, seeks a remote freelance UX designer and ... Work closely with visual designers, strategists, product managers, and developers throughout the ...

Solomon Page

Senior User Research/Strategist

Dallas, TX · On-site

$70 - $75/hr

Work closely with UX, product management, engineering, analytics, marketing, retail, and operations ... Quantitative and qualitative research analysis * Workshop facilitation and stakeholder alignment

Blue State

Contract UX Designer (Evergreen)

Oakland, CA · On-site

$85 - $110/hr

Blue State, a creative strategy and tech agency, seeks a remote freelance UX designer and ... Work closely with visual designers, strategists, product managers, and developers throughout the ...

Rockstar

They are looking for mid-to-senior-level freelance designers who can bring strong UX thinking ... Conduct qualitative and quantitative research to inform feature planning and prioritization. Help ...

Rockstar

Product Designer

They are looking for mid-to-senior-level freelance designers who can bring strong UX thinking ... Conduct qualitative and quantitative research to inform feature planning and prioritization. Help ...

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As of Jun 2, 2026, the average yearly pay for quant developer freelance in the United States is $169,729.00, according to ZipRecruiter salary data. Most workers in this role earn between $134,500.00 and $199,000.00 per year, depending on experience, location, and employer.

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To thrive as a Quant Developer Freelance, you need strong quantitative analysis skills, advanced programming abilities (often in Python, C++, or R), and a solid understanding of financial markets, typically supported by a degree in mathematics, finance, or computer science. Proficiency with statistical modeling tools, data analysis libraries (such as NumPy, pandas, or MATLAB), and familiarity with version control systems like Git are commonly required. Exceptional problem-solving, self-motivation, and clear communication help freelancers effectively deliver solutions and collaborate with remote teams or clients. These skills are vital for developing accurate, efficient trading models and maintaining successful client relationships in a competitive, project-based environment.

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Freelance Quant Developers often face challenges such as managing overlapping project deadlines, adapting to differing coding standards, and quickly familiarizing themselves with diverse financial models used by various clients. Effective communication is crucial, as remote work may lead to misunderstandings about project requirements or data sources. Additionally, freelancers must stay up-to-date with the latest quantitative techniques and programming tools to remain competitive and deliver high-quality solutions tailored to each client's needs.

What are Quant Developer Freelancers?

Quant Developer Freelancers are independent professionals who specialize in quantitative finance, using mathematical models, statistical techniques, and programming skills to develop trading algorithms, risk models, and analytics tools. Unlike full-time employees, freelancers work on a contract basis, often handling projects for hedge funds, investment banks, or fintech companies. They typically have expertise in programming languages like Python, C++, or R, and possess strong analytical and problem-solving abilities. Hiring freelance quant developers allows organizations to access specialized skills for specific projects without long-term commitments.
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Data Scientist

Publicis Groupe Holdings B.V

Manhattan, NY • On-site

$72.39K - $109.48K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 21 days ago

Job description

Company Description
Zenith is a full-service media agency with capabilities and expertise across all channels and disciplines. Zenith is part of Publicis Media, the #1 media buying network in the Americas and #2 globally. As "The ROI Agency," Zenith's expertise lies in driving real, tangible business outcomes, not just media metrics, that will have a measurable effect on our clients' business. Every investment we make has an ROI mindset-not just for our clients, but for our agency at large. We're focused on driving the maximum value for our people, our capabilities and our media investments for some of the world's leading brands.
Overview
We're looking for a Data Scientist to join the team who is a curious, creative problem solver willing to tackle the familiar and unfamiliar of all things data, including methods, technologies, and applications. You'll address complex marketing and business challenges-from cross-channel media and customer experience optimization to segmentation, targeting and business strategy-by accessing, integrating, manipulating, mining, and modeling a wide array of data sources.
Responsibilities
  • Conduct exploratory analysis to identify relevant insights and useful transformations
  • Use distributed computing systems to access and manipulate big data sources
  • Apply quantitative techniques to uncover latent patterns in the data
  • Test scalable data pipelines or models for real-time applications
  • Ensure that analytic tasks and results meet established objectives and timelines
  • Translate marketing and business questions into data queries
  • Interpret data, analytical results and visuals to generate conclusions and recommendations
  • Share knowledge and conduct research to advance the collective knowledge and skills of our team

Qualifications
  • Bachelor's degree or higher in a quantitative field such as statistics, mathematics, econometrics, operations research, data science, computer science, engineering, marketing or social science methods, or equivalent
  • 3+ years of relevant experience and interest in marketing analytic applications
  • Experience analyzing data for patterns and insights
  • Hands-on experience running statistical or machine learning procedures, such as descriptive statistics, hypothesis testing, econometric modeling, and regression analysis
  • Resourceful, curious, and motivated individual with an ability to work independently as well as in a team setting
  • Strong organizational, communication, and time-management skills
  • Diligent with the ability to prioritize multiple tasks and balance deadlines in a fast-paced environment
  • Proficiency in Microsoft Office Suite with strong understanding of Excel and PowerPoint

Additional Information
Our Publicis Groupe motto "Viva La Différence" means we're better together, and we believe that our differences make us stronger. It means we honor and celebrate all identities, across all facets of intersectionality, and it underpins all that we do as an organization. We are focused on fostering belonging and creating equitable & inclusive experiences for all talent.
Publicis Groupe provides robust and inclusive benefit programs and policies to support the evolving and diverse needs of our talent and enable every person to grow and thrive. Our benefits package includes medical coverage, dental, vision, disability, 401K, as well as parental and family care leave, family forming assistance, tuition reimbursement, and flexible time off.
If you require accommodation or assistance with the application or onboarding process specifically, please contact USMSTACompliance@publicis.com. All your information will be kept confidential according to EEO guidelines.
Compensation Range: $72,390.00 - $109,480.00 annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. Temporary roles may also qualify for participation in our 401(k) plan after eligibility criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. The Company anticipates the application deadline for this job posting will be 10/06/2025.
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Compensation Range: USD $72,390.00 - USD $109,480.00/Annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. Temporary roles may also qualify for participation in our 401(k) plan after eligibility criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. The Company anticipates the application deadline for this job posting will be 10/21/2025.

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