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Freelance R Programming Language Jobs in Illinois

Sr. Data Scientist, Payments

Oregon, IL · On-site

$152K - $205K/yr

Proficiency in SQL and at least one programming language, such as R or Python, for data manipulation, analysis, and model. * Strong understanding of statistics and experience applying statistical ...

Sr. Data Scientist, Payments

Ohio, IL · On-site

$152K - $205K/yr

Proficiency in SQL and at least one programming language, such as R or Python, for data manipulation, analysis, and model. * Strong understanding of statistics and experience applying statistical ...

Proficiency in SQL and at least one programming language, such as R or Python, for data manipulation, analysis, and model. * Strong understanding of statistics and experience applying statistical ...

Sr. Data Scientist, Payments

Virginia, IL · On-site

$152K - $205K/yr

Proficiency in SQL and at least one programming language, such as R or Python, for data manipulation, analysis, and model. * Strong understanding of statistics and experience applying statistical ...

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Freelance R Programming Language information

Are R programmers in demand?

R programmers are in demand in fields such as data analysis, statistics, and research, especially in industries like healthcare, finance, and academia. Their skills in data visualization, statistical modeling, and familiarity with tools like RStudio make them valuable for data-driven decision-making and analytics projects.

What are some common challenges freelance R programmers face when working with clients remotely?

Freelance R programmers often encounter challenges related to communication and project scope when collaborating remotely with clients. Since requirements can change or lack clarity, it's important to establish clear expectations and maintain regular updates through meetings or written summaries. Additionally, managing data privacy and access can be tricky, so freelancers should be prepared to use secure data-sharing tools and clarify ownership of scripts and results. Building strong communication skills and being proactive about project management can help overcome these hurdles and ensure successful client collaborations.

What are the key skills and qualifications needed to thrive as a Freelance R Programmer, and why are they important?

To thrive as a Freelance R Programmer, you need strong statistical analysis, data manipulation, and coding skills in R, often supported by a degree in statistics, computer science, or a related field. Familiarity with RStudio, version control systems like Git, and relevant libraries such as tidyverse and Shiny is typically required. Excellent problem-solving, client communication, and time management skills help you stand out in this role. These abilities ensure you can deliver accurate, timely data solutions that meet client needs in a competitive freelance environment.

What is a freelance R programmer?

A freelance R programmer is a professional who works independently, providing services related to the R programming language on a contract or per-project basis. They typically help organizations or individuals analyze data, build statistical models, visualize results, and develop custom R scripts or packages. Freelance R programmers often work remotely and may serve clients across various industries, including finance, healthcare, academia, and technology. Their flexible arrangements allow them to take on diverse projects, from data cleaning to advanced machine learning tasks.

Is R in high demand?

R programming language skills are in high demand in data analysis, statistics, and data science roles across various industries. Employers seek professionals proficient in R for tasks involving data visualization, statistical modeling, and machine learning, often requiring knowledge of related tools like RStudio and packages such as ggplot2 and dplyr.

Which coding language is best for freelancing?

For freelance R programming language roles, R is the primary language used for data analysis, statistical computing, and visualization tasks. Freelancers often combine R with tools like RStudio and may need knowledge of data manipulation, scripting, and reporting. The best language depends on the specific project requirements, but R is essential for data-focused freelancing in this field.

What is the difference between Freelance R Programming Language vs Data Analyst?

AspectFreelance R Programming LanguageData Analyst
Required skillsProficiency in R, statistical analysis, data visualizationData manipulation, statistical analysis, reporting
Work environmentIndependent, project-based, remote or on-siteTypically in organizations, team-based, office or remote
CertificationsR certifications, data analysis coursesData analysis, business intelligence certifications
Industry usageFreelance projects across various industriesCorporate, finance, healthcare, marketing

Freelance R Programming Language professionals focus on independent projects requiring R skills, while Data Analysts work within organizations analyzing data to inform business decisions. Both roles require statistical knowledge, but their work settings and project types differ.

What jobs can you get with R programming?

With R programming skills, you can pursue roles such as data analyst, data scientist, statistical programmer, or research analyst. These jobs typically involve data analysis, statistical modeling, and visualization, often requiring knowledge of data manipulation packages like dplyr and ggplot2, and may require familiarity with data management tools and statistical concepts.
What are the most commonly searched types of R Programming Language jobs in Illinois? The most popular types of R Programming Language jobs in Illinois are:
What job categories do people searching Freelance R Programming Language jobs in Illinois look for? The top searched job categories for Freelance R Programming Language jobs in Illinois are:
Lead Assoc Principal, Quantitative Risk Management

Lead Assoc Principal, Quantitative Risk Management

The Options Clearing

Chicago, IL • Hybrid

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 14 days ago


Job description

To be considered for this position, applications and resumes are accepted only through our careers site by directly applying to the posted job. We do not accept unsolicited resumes or sales solicitations from staffing agencies. Any OCC employee wishing to submit a referral must do so through their Workday account. Any resume submitted outside of an active job posting will not be considered for employment.

Who We Are

About Us

The Options Clearing Corporation (OCC) is the world's largest equity derivatives clearing organization. Founded in 1973, OCC is dedicated to promoting stability and market integrity by delivering clearing and settlement services for options, futures and securities lending transactions. As a Systemically Important Financial Market Utility (SIFMU), OCC operates under the jurisdiction of the U.S. Securities and Exchange Commission (SEC), the U.S. Commodity Futures Trading Commission (CFTC), and the Board of Governors of the Federal Reserve System. OCC has more than 100 clearing members and provides central counterparty (CCP) clearing and settlement services to 19 exchanges and trading platforms. More information about OCC is available at www.theocc.com.

What We Offer

A highly collaborative and supportive environment developed to encourage work-life balance and employee wellness. Some of these components include:

A hybrid work environment, up to 2 days per week of remote work

Tuition Reimbursement to support your continued education

Student Loan Repayment Assistance

Technology Stipend allowing you to use the device of your choice to connect to our network while working remotely

Generous PTO and Parental leave

Competitive health benefits including medical, dental and vision

Summary

This role is responsible for one or more functions within Quantitative Risk Management (QRM) to develop and maintain risk models for margin, clearing fund and stress testing: model analytics and performance monitoring; model prototyping and testing; and model implementation. This role will collaborate with other quantitative analysts, business users, data & technology staff, and model validation colleagues to implement new models and enhance existing models.


Responsibilities

  • Develop models for pricing, margin risking and stress testing of financial products and derivatives

  • Design, implement and maintain model prototypes, model library and model testing tools using best industry practices and innovations

  • Implement new models into model library and enhance existing models

  • Write and review documentations (whitepapers) for the models, model prototypes and model implementation

  • Perform model performance testing, including portfolio back-testing using historical data

  • Review implementation of models and algorithms focusing on requirement verification, coding, and testing quality

  • Conduct comprehensive quality assurance testing on model library including constructions of test cases, automation of model unit testing and creations of reference models if needed

  • Participate in model code reviews, model release testing (including margin impact analysis and baseline support and troubleshooting during model library integration with production applications) and production support

  • Support the launch of new products

  • Provide quantitative analysis and support to risk managers on pricing, margin, and risk calculations

  • Communicate model analysis to professionals across OCC and collaborate with cross-functional departments


Supervisory Responsibilities

  • None

Qualifications & Experience

  • [Required] Financial mathematics (derivatives pricing models, stochastic calculus, statistics and probability theory, advanced linear algebra)

  • [Required] Econometrics, data analysis (e.g., time series analysis, GARCH, fat-tailed distributions, copula, etc.) and machine learning techniques

  • [Required] Numerical methods and optimization; Monte Carlo simulation and finite difference techniques

  • [Required] Risk management methods (value-at-risk, expected shortfall, stress testing, backtesting, scenario analysis)

  • [Required] Financial products knowledge: good understanding of markets and financial derivatives in equities, interest rate, and commodity products

  • [Required] Strong programing skills. Able to read and/or write code using a programming language (e.g., Java, C++, Python, R, Scala, etc.) in a collaborative software development setting: Model development and prototyping requires advanced development skills in Python and database manipulation

  • [Required] Model implementation requires advanced Java programming ability and a demonstrated ability in developing and maintaining enterprise level software

  • [Required] Strong problem-solving skills: Be able to accurately identify a problem's source, severity, and impact to determine possible solutions and needed resources

  • [Required] Ability to challenge model methodologies, model assumptions, and validation approach

  • [Required] Proficiency in technical and scientific documentation (e.g., white papers, user guides, etc.)

  • [Preferred] Experience in Agile/SCRUM framework


Technical Skills & Background

  • [Required] Proficiency in database technology and query languages (such as SQL)

  • [Preferred] Non-relational DB and other Big Data, cloud-based computing experience

  • [Required] Proficiency in Java is required for model implementation (Java 8 or later)

  • [Required] Experience in a scripting language such as Python, R or MATLAB

  • [Required] Experience with numerical libraries and/or scientific computing |[Preferred] Experience with numerical optimizers using NAG, Matlab or similar| [Required] Experience with automated quality assurance frameworks is required (e.g., Junit, TestNG, Selenium, etc.) for model testing

  • [Required] Experience with code repository, build and deployment tools (e.g., Git, GitHub, Jenkins)

  • [Required] Software design: effective application of design patterns, expertise in object-oriented design

  • [Preferred] Experience with high performance computing

  • [Required] Experience in office technology such as PowerPoint, Confluence, Latex, Word, and Excel


Certifications

  • [Preferred] FRM, CFA, etc.


Education & Training

  • [Required] Master's degree or equivalent in a quantitative field such as computer science, mathematics, physics, finance/financial engineering

  • [Preferred] PhD

  • 5-7 years of experience in quantitative areas in finance and/or development experience in model implementation and testing

About Us

The Options Clearing Corporation (OCC) is the world's largest equity derivatives clearing organization. Founded in 1973, OCC is dedicated to promoting stability and market integrity by delivering clearing and settlement services for options, futures and securities lending transactions. As a Systemically Important Financial Market Utility (SIFMU), OCC operates under the jurisdiction of the U.S. Securities and Exchange Commission (SEC), the U.S. Commodity Futures Trading Commission (CFTC), and the Board of Governors of the Federal Reserve System. OCC has more than 100 clearing members and provides central counterparty (CCP) clearing and settlement services to 19 exchanges and trading platforms. More information about OCC is available at www.theocc.com.

Benefits

A highly collaborative and supportive environment developed to encourage work-life balance and employee wellness. Some of these components include:

  • A hybrid work environment, up to 2 days per week of remote work
  • Tuition Reimbursement to support your continued education
  • Student Loan Repayment Assistance
  • Technology Stipend allowing you to use the device of your choice to connect to our network while working remotely
  • Generous PTO and Parental leave
  • 401k Employer Match
  • Competitive health benefits including medical, dental and vision

Visit https://www.theocc.com/careers/thriving-together for more information.

Compensation

  • The salary range listed for any given position is exclusive of fringe benefits and potential bonuses. If hired at OCC, your final base salary compensation will be determined by factors such as skills, experience and/or education.
  • In addition, we believe in the importance of pay equity and consider internal equity of our current team members as part of any final offer.
  • We typically do not hire at the maximum of the range in order to allow for future and continued salary growth. We also offer a substantial benefits package as noted on www.theocc.com/careers
  • All employees may be eligible for a discretionary bonus. Discretionary bonuses are based on various factors, including, but not limited to, company and individual performance and are not guaranteed.

Salary Range

$128,800.00 - $230,200.00

Incentive Range

8% to 15%

This position is eligible for an annual discretionary incentive compensation award, for which the target range is listed above (see Incentive Range). The amount of such award, if any, will be based on various factors, including without limitation, both individual and company performance.

Step 1
When you find a position you're interested in, click the 'Apply' button. Please complete the application andattach your resume.

Step 2
You will receive an email notification to confirm that we've received your application.

Step 3
If you are called in for an interview, a representative from OCC will contact you to set up a date, time, and location.

For more information about OCC, please click here.

OCC is an Equal Opportunity Employer