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Freelance Operations Research Engineer Jobs in Riverside, CA

Software Engineer, DevOps

Irvine, CA · On-site

$115K - $170K/yr

... SRE, or related roles. * Strong experience with Kubernetes, Docker, and cloud-native ... Research Institute, and SpaceX, along with a track record of field deployments and strong ...

Software Engineer, DevOps

Irvine, CA · On-site

$115K - $170K/yr

... SRE, or related roles. * Strong experience with Kubernetes, Docker, and cloud-native ... Research Institute, and SpaceX, along with a track record of field deployments and strong ...

Software Engineer, DevOps

Irvine, CA · On-site

$115K - $170K/yr

... SRE, or related roles. * Strong experience with Kubernetes, Docker, and cloud-native ... Research Institute, and SpaceX, along with a track record of field deployments and strong ...

Software Engineer, DevOps

Irvine, CA · On-site

$115K - $170K/yr

... SRE, or related roles. * Strong experience with Kubernetes, Docker, and cloud-native ... Research Institute, and SpaceX, along with a track record of field deployments and strong ...

Software Engineer, DevOps

Irvine, CA · On-site

$115K - $170K/yr

... SRE, or related roles. * Strong experience with Kubernetes, Docker, and cloud-native ... Research Institute, and SpaceX, along with a track record of field deployments and strong ...

Software Engineer, DevOps

Irvine, CA · On-site

$115K - $170K/yr

... SRE, or related roles. * Strong experience with Kubernetes, Docker, and cloud-native ... Research Institute, and SpaceX, along with a track record of field deployments and strong ...

Research Chemist

Jurupa Valley, CA · On-site

$70K - $80K/yr

These efforts support multiple departments, including Technical Services, Operations, Quarry, and ... Engineering, Chemistry, or a related field, with a minimum of 5 years of relevant experience

Research Chemist

Jurupa Valley, CA · On-site

$70K - $80K/yr

These efforts support multiple departments, including Technical Services, Operations, Quarry, and ... Engineering, Chemistry, or a related field, with a minimum of 5 years of relevant experience

Research Chemist

Jurupa Valley, CA · On-site

$70K - $80K/yr

These efforts support multiple departments, including Technical Services, Operations, Quarry, and ... Engineering, Chemistry, or a related field, with a minimum of 5 years of relevant experience

These efforts support multiple departments, including Technical Services, Operations, Quarry, and ... Engineering, Chemistry, or a related field, with a minimum of 5 years of relevant experience

DevOps Engineer, Web Platform

Irvine, CA · On-site

$125K - $170K/yr

... DevOps, infrastructure, or production engineering roles * Strong experience with AWS and ... Research Institute, and SpaceX, along with a track record of field deployments and strong ...

DevOps Engineer, Web Platform

Irvine, CA · On-site

$125K - $170K/yr

... DevOps, infrastructure, or production engineering roles * Strong experience with AWS and ... Research Institute, and SpaceX, along with a track record of field deployments and strong ...

DevOps Engineer, Web Platform

Irvine, CA · On-site

$125K - $170K/yr

... DevOps, infrastructure, or production engineering roles * Strong experience with AWS and ... Research Institute, and SpaceX, along with a track record of field deployments and strong ...

R&D Chef

Lake Forest, CA · On-site

$89K - $110K/yr

Practical operational capabilities must include: food costing and related financial skills ... Can reverse engineer a finished product back to its source ingredients. Well-developed sense of ...

Practical operational capabilities must include: food costing and related financial skills ... Can reverse engineer a finished product back to its source ingredients. Well-developed sense of ...

Operations Supervisor

Ontario, CA · On-site

$29 - $33/hr

The Operations Supervisor is responsible for coordinating the production schedule, warehousing ... Interface with engineers to address ECRs, BOMs/drawing issues, transitions from R&D to production ...

New

Operations Supervisor

Ontario, CA · On-site

$29 - $33/hr

The Operations Supervisor is responsible for coordinating the production schedule, warehousing ... Interface with engineers to address ECRs, BOMs/drawing issues, transitions from R&D to production ...

New

Showing results 21-40

Freelance Operations Research Engineer information

See Riverside, CA salary details

$15

$49

$137

How much do freelance operations research engineer jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for freelance operations research engineer in Riverside, CA is $49.77, according to ZipRecruiter salary data. Most workers in this role earn between $25.34 and $64.47 per hour, depending on experience, location, and employer.

What are some common challenges faced by freelance operations research engineers when working with diverse clients?

Freelance Operations Research Engineers often encounter challenges such as understanding varied client needs, adapting to different industries, and integrating with existing teams remotely. Navigating unclear project scopes and communicating complex analytical findings to non-technical stakeholders can also be demanding. Building rapport quickly and establishing trust are essential to ensure effective collaboration and project success.

What is the difference between Freelance Operations Research Engineer vs Data Analyst?

AspectFreelance Operations Research EngineerData Analyst
CredentialsTypically requires a master's or PhD in operations research, industrial engineering, or related fieldsUsually holds a bachelor's or master's degree in data science, statistics, or related areas
Work EnvironmentFreelance, project-based, often remote, working with multiple clientsFull-time or part-time, often in corporate offices or remote settings
Industry UsageCommon in logistics, manufacturing, supply chain, and consultingPrevalent in finance, marketing, healthcare, and tech sectors

While both roles analyze data to improve decision-making, Freelance Operations Research Engineers focus on optimizing complex systems and processes through advanced modeling, often working independently. Data Analysts interpret data trends to support business insights, typically within organizations. The choice depends on the project scope and industry focus.

What are the key skills and qualifications needed to thrive as a freelance operations research engineer?

To thrive as a Freelance Operations Research Engineer, you need a strong background in mathematics, optimization techniques, and analytical problem-solving, typically backed by a degree in operations research, mathematics, or engineering. Familiarity with programming languages (such as Python, R, or MATLAB), optimization solvers, and data analysis tools is essential, along with experience using simulation software. Excellent communication, self-management, and client collaboration skills help set you apart in a freelance environment. These competencies ensure you can deliver effective, data-driven solutions to clients' complex operational challenges while managing projects independently.

What does a freelance operations research engineer do?

A Freelance Operations Research Engineer applies mathematical modeling, statistics, and analytical methods to help organizations solve complex problems and make better decisions. They typically work independently or on a contract basis, analyzing data, developing optimization models, and recommending solutions for areas like logistics, supply chains, scheduling, and resource allocation. Their expertise helps businesses improve efficiency, reduce costs, and enhance overall performance without being tied to a single employer.
What job categories do people searching Freelance Operations Research Engineer jobs in Riverside, CA look for? The top searched job categories for Freelance Operations Research Engineer jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Freelance Operations Research Engineer jobs? Cities near Riverside, CA with the most Freelance Operations Research Engineer job openings:

Machine Learning Engineer II, Logistics AI

Instacart

Pomona, CA • On-site

Full-time

Re-posted 22 days ago


Instacart rating

7.1

Company rating: 7.1 out of 10

Based on 31 frontline employees who took The Breakroom Quiz

28th of 64 rated delivery companies


Job description

We're transforming the grocery industry

At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their groceries and household goods, while also offering safe and flexible earnings opportunities to Instacart Personal Shoppers.

Instacart has become a lifeline for millions of people, and we’re building the team to help push our shopping cart forward. If you’re ready to do the best work of your life, come join our table.

Instacart is a Flex First team

There’s no one-size fits all approach to how we do our best work. Our employees have the flexibility to choose where they do their best work—whether it’s from home, an office, or your favorite coffee shop—while staying connected and building community through regular in-person events. Learn more about our flexible approach to where we work.

About the Role:

As a Machine Learning Engineer, you will have the opportunity to collaborate closely with senior engineers and product leaders as part of your team. Together, you'll develop and enhance Instacart's marketplace systems. You will use machine learning to devise and refine solutions in crucial areas such as routing optimization, pricing, dispatch, and mapping. You will actively contribute to initiatives, assisting in all stages from the initial concept, through prototyping and experimentation, to final implementation.

About the Team:

The Logistics AI group is responsible for the intelligence and execution behind Instacart’s fulfillment system. The team optimizes a multi-sided marketplace to ensure customers get their orders on-time and in high quality, shoppers get efficient and fulfilling work, and retailers and consumer brands get reasonable business. The team tackles hard problems in a variety of spaces, such as matching, pricing, and geospatial, as well as foundational problems executing on a high throughput system with dynamic data.

About the Job:

  • Design, develop, and deploy machine learning solutions to tackle practical challenges in the marketplace.
  • Collaborate closely with product managers, data scientists, and backend engineers to deeply understand business needs and create impactful ML/AI applications.
  • Actively engage with diverse stakeholders to ensure that solutions are well-integrated and aligned with business goals.
  • Push the envelope on our operational efficiency by continually refining and advancing our algorithms and models.

About You:

Minimum Qualifications:

  • Have a graduate degree (masters or PhD) in artificial intelligence, machine learning, operations research or equivalent self study and experience 
  • Have strong programming skills in Python and fluency in data manipulation (SQL, Pandas) and Machine Learning (scikit-learn, XGBoost, Keras/Tensorflow) tools
  • Have strong analytical skills and problem-solving ability
  • Are a strong communicator who can collaborate with diverse stakeholders across all levels

Preferred Qualifications:

  • Have 1-2 years of industry experience using machine learning to solve real-world problems with large datasets
  • Knowledge of deep learning frameworks and methodologies
  • Experience in applying machine learning and optimization techniques to solve marketplace problems

Instacart provides highly market-competitive compensation and benefits in each location where our employees work. This role is remote and the base pay range for a successful candidate is dependent on their permanent work location. Please review our Flex First remote work policy here.

Offers may vary based on many factors, such as candidate experience and skills required for the role. Additionally, this role is eligible for a new hire equity grant as well as annual refresh grants. Please read more about our benefits offerings here.

For US based candidates, the base pay ranges for a successful candidate are listed below.


What Instacart employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


Instacart logo

About Instacart

Sourced by ZipRecruiter

Instacart, based in San Francisco, CA, US, operates within the retail industry, specifically grocery delivery and pick-up service. It is recognized as a pioneer in this field, delivering fresh groceries from local stores directly to customers' doors. The company, which launched its services in 2012, continues to pioneer change in the online grocery shopping sector through its commitment to cutting-edge technology, new business ideas, and dedicated service.

Industry

Technology, communication and media

Company size

10,000+ Employees

Headquarters location

San Francisco, CA, US

Year founded

2012