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Entry Level Computer Science Jobs in O Fallon, MO

Business Administration/Management, Computer Science/Information Systems - Demonstrating ... PwC does not intend to hire experienced or entry level job seekers who will need, now or in the ...

Overview / Responsibilities Wood is currently recruiting entry level Water Resources Engineers in ... Master of Science qualification preferred. Classwork or job/internship in the following knowledge ...

... science and technology. Click here to learn more about our Engineering practice HERE'S WHAT YOU'LL ... Experience in computer applications for engineering design programs (i.e. Revit, RAM, RISA ...

Showing results 41-60

Entry Level Computer Science information

See O Fallon, MO salary details

$19.3K

$43.2K

$86.5K

How much do entry level computer science jobs pay per year?

As of Sep 11, 2026, the average yearly pay for entry level computer science in O'Fallon, MO is $43,226.00, according to ZipRecruiter salary data. Most workers in this role earn between $30,557.00 and $49,362.00 per year, depending on experience, location, and employer.

What are entry level computer science jobs?

Entry-level computer science jobs include positions that involve programming, software and app development, database administration, and the engineering of software and computer systems. You can also provide technical support, develop specialized programs for mobile phones or embedded computer systems, and work in areas such as cloud computing and machine learning. Entry-level computer science professionals typically operate as part of software development or IT teams, or they report to senior personnel and submit their work for testing and approval. Your duties and responsibilities often focus on developing, testing, or engineering a specific part of a computer-related project.

What are the key skills and qualifications needed to thrive as an entry level computer science professional?

To thrive as an Entry Level Computer Science professional, you need a solid understanding of programming languages (such as Python, Java, or C++), algorithms, and data structures, typically supported by a bachelor’s degree in computer science or a related field. Familiarity with version control systems like Git, basic software development tools, and potentially certifications like CompTIA IT Fundamentals can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help you collaborate and adapt to new challenges. These skills are crucial for efficiently developing, testing, and maintaining software solutions in a team-oriented and rapidly evolving technical environment.

What types of projects or tasks can I expect to work on as an entry level computer science professional?

As an entry level computer science professional, you will typically work on tasks such as debugging code, writing simple programs or scripts, assisting with software testing, and supporting senior developers with larger projects. You may also be responsible for maintaining documentation, collaborating with team members during code reviews, and learning new technologies as needed. These experiences help you build a strong foundation and gain practical skills, setting the stage for more complex responsibilities and career advancement in the future.

What is the difference between Entry Level Computer Science vs Software Developer?

AspectEntry Level Computer ScienceSoftware Developer
Required CredentialsBachelor's in CS or related fieldBachelor's in CS or related field; coding bootcamps
Work EnvironmentTech companies, startups, IT departmentsTech firms, software companies, startups
Employer & Industry UsageEntry-level roles in various industriesDeveloping software applications across industries
Common Search & ComparisonYesYes

Entry Level Computer Science roles typically focus on foundational knowledge and may involve a variety of IT tasks, while Software Developer positions emphasize designing, coding, and maintaining software applications. Both roles often require similar educational backgrounds, but Software Developers usually have more specialized coding skills and project responsibilities.

What cities near O'Fallon, MO are hiring for Entry Level Computer Science jobs?

Cities near O'Fallon, MO with the most Entry Level Computer Science job openings:

Infographic showing various Entry Level Computer Science job openings in O'Fallon, MO as of September 2026, with employment types broken down into 20% Internship, 60% Full Time, and 20% Part Time. Highlights an 100% In-person job distribution, with an average salary of $43,226 per year, or $20.8 per hour.

Associate Product Specialist, Product Management

O Fallon, MO β€’ On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago


Job description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Associate Product Specialist, Product ManagementOverview
The Business & Market Intelligence team fuels growth for partners globally through cutting-edge capabilities across analytics, insights, and data-driven solutions. Within Mastercard Business & Market Insights, the Operational Intelligence pillar enables customers to understand, manage, and optimize the end-to-end payment lifecycle through scalable reporting and analytics platforms.
We are seeking an Associate Product Specialist, Product Management support platform growth initiatives across the Operational Intelligence portfolio. This entry-level role is ideal for someone early in their career who enjoys working with data, learning new tools, and helping teams turn information into useful insights.
This role will provide analytical and execution support by helping collect data, maintain reports, summarize trends, and document insights that support product and business decisions.
Role Responsibilities
In this role, you will:
Support analysis of platform adoption, usage trends, and performance across Operational Intelligence solutions.
Help organize and review customer, subscription, and operational data to identify trends and areas for further review.
Work with Product, Technology, and Data teams to learn how platform data is structured and how it supports business decisions.
Create and maintain basic reports, dashboards, and KPI tracking related to adoption, usage, retention, and revenue.
Help gather data, check assumptions, and summarize findings for business cases and product planning.
Track new feature rollouts and help monitor early usage or performance results.
Document insights clearly so product, data, and commercial teams can understand and act on the information.
Communicate findings in a simple, practical way for team members and stakeholders.
Technical & Analytical Foundation
Basic experience with data analysis, reporting, and visualization; Excel experience required, and exposure to Tableau, Power BI, or similar tools is helpful.
Exposure to SQL, databases, data querying, or data concepts through coursework, internships, projects, or hands-on learning.
Ability to work with structured data, check for accuracy, identify simple patterns, and summarize observations.
Interest in learning how data moves across systems, platforms, and reporting tools.
Willingness to learn new tools, technical concepts, and business processes in a product environment.
All About You
Bachelor's degree in data analytics, information systems, computer science, engineering, business analytics, economics, or a related field.
Coursework, internship, project, or early career exposure to data analytics, business intelligence, product analytics, reporting, or related areas.
Ability to summarize data into clear observations and explain what the information may mean.
Curious, eager to learn, and comfortable asking questions to understand products, systems, and customer needs.
Organized and able to manage tasks, meet deadlines, and follow through on details with guidance.
Clear communicator who can collaborate with product, technology, data, and business partners.
Interest in payments, analytics, reporting platforms, or financial services is helpful but not required.Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Corporate Security Responsibility


All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

  • Abide by Mastercard's security policies and practices;

  • Ensure the confidentiality and integrity of the information being accessed;

  • Report any suspected information security violation or breach, and

  • Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.

Pay Ranges

O'Fallon, Missouri: $77,000 - $128,000 USD