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Computer Science Jobs in Belleville, IL (NOW HIRING)

Master's degree in Data Science, Computer Science, Statistics, Mathematics, or a related field is preferred * Experience withMLOpstools (e.g.,MLflow, Azure ML, SageMaker, or Kubeflow) and model ...

Expert Data Scientist

Saint Louis, MO · On-site

$130K - $188K/yr

Bachelor's degree in Data Science, Applied Statistics, Mathematics, Computer Science, or a related field * 7+ years of professional experience, with 5+ of those years in data science, advanced ...

Data Scientist I

Saint Louis, MO · On-site

$70K - $110K/yr

Bachelor's degree in mathematics, statistics, computer science, physics, or a STEM related field Recommended Qualifications * Experience with spatial and GIS concepts, preferably using Esri software

Computer Science, Aviation Management, Math, Computer Programming, Systems Engineering or Systems Integration. Qualifications Education / Experience: Preferred candidates should have a minimum of a ...

Data Science Analyst

Saint Louis, MO · On-site

$132K - $159K/yr

Bachelor's degree in systems Engineering or in related technical or scientific fields such as engineering, physics, mathematics, operations research, engineering management, Computer Science ...

Data Science Analyst

Saint Louis, MO · On-site

$133K - $180K/yr

Bachelor's degree in systems Engineering or in related technical or scientific fields such as engineering, physics, mathematics, operations research, engineering management, Computer Science ...

Business Analytics, Data Science, Information Technology (IT), Information Systems (MIS), Statistics, Computer Engineering, Computer Science, Software Engineering, Supply Chain Management/Logistics ...

Business Analytics, Data Science, Information Technology (IT), Information Systems (MIS), Statistics, Computer Engineering, Computer Science, Software Engineering, Supply Chain Management/Logistics ...

Business Analytics, Data Science, Information Technology (IT), Information Systems (MIS), Statistics, Computer Engineering, Computer Science, Software Engineering, Supply Chain Management/Logistics ...

Business Analytics, Data Science, Information Technology (IT), Information Systems (MIS), Statistics, Computer Engineering, Computer Science, Software Engineering, Supply Chain Management/Logistics ...

Business Analytics, Data Science, Information Technology (IT), Information Systems (MIS), Statistics, Computer Engineering, Computer Science, Software Engineering, Supply Chain Management/Logistics ...

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Associate or bachelor's degree in information technology, Computer Science, or related field, or equivalent work experience. * Knowledge and experience in network configurations, Cat5-6 cabling ...

Showing results 41-60

Computer Science information

See Belleville, IL salary details

$54.9K

$80.7K

$95.2K

How much do computer science jobs pay per year?

As of Sep 8, 2026, the average yearly pay for computer science in Belleville, IL is $80,724.00, according to ZipRecruiter salary data. Most workers in this role earn between $75,300.00 and $90,800.00 per year, depending on experience, location, and employer.

What is computer science?

Computer science is the study of computers, computational systems, and how they process information. It covers a wide range of topics, including programming, algorithms, data structures, artificial intelligence, and software engineering. Computer scientists design and analyze software and hardware to solve problems and improve technology. The field is essential in many industries, from finance and healthcare to entertainment and research.

What are computer science jobs?

The computer science field provides a wide range of opportunities for technically talented individuals. Depending on your skills and interests, you can find computer science jobs as a software developer, hardware engineer, database administrator, computer systems analyst, network architect, information security analyst, or web developer. You need an analytical mind and strong technical skills to perform your job duties, which may be to develop, maintain, and troubleshoot computer systems, applications, or networks. Your responsibilities in a computer science job are often directly related to the business goals and outcomes of your employer.

What are the key skills and qualifications needed to thrive in a computer science role, and why are they important?

To thrive in a Computer Science role, you need strong programming skills, problem-solving abilities, and a degree in computer science or a related field. Familiarity with languages like Python, Java, C++, version control systems such as Git, and software development methodologies is often required. Analytical thinking, attention to detail, and effective teamwork are valuable soft skills that set candidates apart. These skills ensure you can design efficient solutions, collaborate on complex projects, and adapt to rapidly evolving technologies.

What are some common challenges computer science professionals face when working on collaborative software projects?

Computer science professionals often encounter challenges such as coordinating with team members across different disciplines, managing version control in shared codebases, and ensuring clear communication of technical concepts to non-technical stakeholders. Navigating conflicting priorities and integrating diverse components can also be demanding, especially in agile environments with tight deadlines. Strong collaboration skills, openness to feedback, and familiarity with team tools like Git and project management platforms can help address these challenges effectively.

What is the difference between Computer Science vs Software Developer?

AspectComputer ScienceSoftware Developer
Required CredentialsBachelor's or higher in CS or related fieldBachelor's in CS, Software Engineering, or related field often preferred
Work EnvironmentResearch labs, academia, tech companies, startupsTech companies, software firms, freelance projects
Industry UsageAcademic research, algorithm development, theoretical workBuilding, coding, testing software applications
Common Search/ComparisonFocuses on theoretical foundations and algorithmsFocuses on practical software creation and deployment

Computer Science and Software Developer roles often overlap, but Computer Science emphasizes theoretical foundations, algorithms, and research, while Software Developers focus on designing, coding, and maintaining software applications. Both roles require programming skills, but their primary focus and work environments differ.

Are computer science majors still in demand?

Computer science majors are currently in high demand due to the growth of technology, software development, cybersecurity, and data analysis fields. Employers seek candidates with programming skills, knowledge of algorithms, and experience with tools like Python, Java, and cloud platforms, making it a strong career choice with good job prospects.

What are careers in computer science?

Careers in computer science include roles such as software developer, systems analyst, cybersecurity analyst, data scientist, and network administrator. These jobs typically require strong programming skills, knowledge of algorithms, and familiarity with tools like programming languages, databases, and operating systems.

What can you do with a computer science degree?

A computer science degree prepares individuals for a variety of roles such as software developer, systems analyst, cybersecurity analyst, data scientist, and network administrator. It provides skills in programming, algorithms, and systems design, often requiring knowledge of programming languages, databases, and problem-solving. Graduates can work in technology companies, finance, healthcare, or government agencies, often with opportunities for certification and ongoing learning.

What jobs can I do with computer science?

A degree in computer science opens opportunities for roles such as software developer, systems analyst, cybersecurity analyst, data scientist, and network administrator. These jobs typically require programming skills, knowledge of algorithms, and familiarity with tools like databases and operating systems.

What are the most commonly searched types of Computer Science jobs in Belleville, IL?

The most popular types of Computer Science jobs in Belleville, IL are:

What are popular job titles related to Computer Science jobs in Belleville, IL?

For Computer Science jobs in Belleville, IL, the most frequently searched job titles are:

What job categories do people searching Computer Science jobs in Belleville, IL look for?

The top searched job categories for Computer Science jobs in Belleville, IL are:

What cities near Belleville, IL are hiring for Computer Science jobs?

Cities near Belleville, IL with the most Computer Science job openings:

Infographic showing various Computer Science job openings in Belleville, IL as of August 2026, with employment types broken down into 50% Full Time, and 50% Part Time. Highlights an 85% In-person, and 15% Remote job distribution, with an average salary of $80,724 per year, or $38.8 per hour.

$88K - $123K/yr

Full-time

Retirement

Re-posted 24 days ago


Job description

Driven by integrity and united by the people-and-pet bond, we find strong purpose in the work we do and an even greater joy in those we get to work alongside. Together, we harness the expertise of our long-standing tradition of excellence to embrace possibility and continuously push to do what's never been done before in pet care. Discover your purpose and fuel your passions when you bring your love of pets to a team that prides itself on the power of togetherness-We are Proudly Connected. Purely Driven.

Position Summary 

Digital Transformation is at the center of all that we do. With data-driven innovators passionate about making a difference in the lives of pets, we createcutting-edgedigital business models that solve complex problems.You'llbe at the forefront of digital advancements as they happen in real time, as well as ensure weremaina leader and innovator in the pet care category. Have a hand in making a lasting impact within our long-standing history. 

As a Data Scientist at Nestle Purina,you'llbuild and deploy the machine learning and optimization models that drivereal businessvalue across functions such as Manufacturing, Marketing, Supply Chain, Finance, and Consumer Insights. At the core of this role is traditional machine learning and optimization, building the models and optimization engines that power some of our highest-value business decisions. Working closely with cross-functional teams,you'lltranslate business problems into scalable analytical solutions, automate insights, and support enterprise decision-making. 

  • Develop and deploy machine learning, statistical, and optimization models that solve business problems and improve operational performance 
  • Support the development and maintenance of optimization engines that drive high-value business decisions 
  • Collaborate with product owners, data engineers, and business stakeholders to translate business needs into scalable analytical solutions 
  • Perform data wrangling, feature engineering, exploratory data analysis, and model evaluation using Python and SQL 
  • Design andmaintainreusable analytics workflows and automated pipelines for production-grade deployment 
  • Support GenAI-enabled applications including retrieval augmented generation (RAG), copilots, and intelligent assistants 
  • Contribute to AIOps/MLOps practices including model versioning, monitoring, continuous integration and continuous deployment pipelines, and responsible AI processes 

Requirements 

  • Bachelor's degree from an accredited institution in Data Science, Computer Science, Statistics, Engineering, Mathematics, or a related field 
  • 3+ years of professional experience in data science, analytics, or machine learning, including developing optimization or predictive models 
  • 3+ years of experience in Python (e.g., scikit-learn, pandas,PySpark, and NumPy) and SQL for data manipulation and analysis 
  • 1+ years of experience working with cloud computing platforms (e.g., Azure, AWS, or GCP) and DevOps/CI-CD practices 

Other 

  • Master's degree in Data Science, Computer Science, Statistics, Mathematics, or a related field is preferred 
  • Experience withMLOpstools (e.g.,MLflow, Azure ML, SageMaker, or Kubeflow) and model deployment inaproduction environment is preferred 
  • Experience working with Databricks, Snowflake, or distributed data processing environments is preferred 
  • Experience building GenAI-enabled applications such as RAG, copilots, or intelligent assistants is preferred 
  • Familiarity with LLM orchestration frameworks (e.g.,LangChainor Semantic Kernel), prompt engineering, and vector databases is preferred 
  • Familiarity with responsible AI practices including bias detection, explainability, and governance is preferred 

Don'tmeet all the qualifications listed under "Other"? These arepreferred, butnotrequired. When you apply for a role with Nestle, we ensure that individual confidentiality is held to the highest regard. We are intentional about creating an inclusive workplace for everyone. We consider our associates our most valuable assets. Please apply for full consideration. 

The approximate pay range for this position is $88,000 to $123,000 per year. Final compensation may vary based on factors including but not limited to knowledge,skillsand abilities as well as geographic location. Nestle offers performance-based incentives and a competitive total rewards package, which includes a 401k with companymatch, healthcarecoverageand a broad range of other benefits. Learn more at https://nestlejobs.com/nestle-in-the-us. 

It is our business imperative to remain a very inclusive workplace.
To our veterans and separated service members, you're at the forefront of our minds as we recruit top talent to join Nestle. The skills you've gained while serving our country, such as flexibility, agility, and leadership, are much like the skills that will make you successful in this role. In addition, with our commitment to an inclusive work environment, we recognize the exceptional engagement and innovation displayed by individuals with disabilities. Nestle seeks such skilled and qualified individuals to share our mission where you'll join a cohort of others who have chosen to call Nestle home.
 

The Nestle Companies are equal employment opportunity employers. All applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status or any other characteristic protected by applicable law. Prior to the next step in the recruiting process, we welcome you to inform us confidentially if you may require any special accommodations in order to participate fully in our recruitment experience. Contact us at accommodations@nestle.com or please dial 711 and provide this number to the operator: 1-800-321-6467.

This position is not eligible for Visa Sponsorship. 

Review our applicant privacy notice before applying at https://www.nestlejobs.com/privacy.

Job Requisition: 409964