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Entry Level Computer Scientist Jobs in O Fallon, IL

E*Pro, Inc.

Jr. Validation Engineer

Saint Louis, MO · On-site

Temporary, entry-level position to mitigate expected validation workload Review requirements ... Computer Science, IT, Engineering, Science or equivalent experience Preferred minimum 1-2 years of ...

Genesis10

Entry Level Software Developer

Saint Louis, MO · On-site

$60K/yr

A recent STEM degree (e.g., Computer Science, Information Technology, Engineering, or a related discipline) OR 12 months of professional work experience in finance, healthcare, banking, insurance ...

CannonDesign

Electrical - Entry Level

Saint Louis, MO · On-site

... science and technology. HERE'S WHAT YOU'LL DO * Under supervision, design lighting, power ... Experience in computer applications for engineering design programs (i.e. Revit, Navisworks or ...

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All JobsComputer Scientist JobsEntry Level Computer Scientist JobsEntry Level Computer Scientist Jobs in O'Fallon, IL

Entry Level Computer Scientist information

See O Fallon, IL salary details

$47.1K

$103.9K

$128.3K

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

As of Aug 1, 2026, the average yearly pay for entry level computer scientist in O'Fallon, IL is $103,861.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,200.00 and $127,800.00 per year, depending on experience, location, and employer.

What professions make $200,000 a year without a degree?

Entry-level computer scientists typically do not earn $200,000 annually without significant experience or advanced certifications. High-paying tech roles such as software engineers, data scientists, or cybersecurity specialists often require specialized skills, experience, or higher education, though some self-taught professionals in fields like software development or freelance consulting can reach high income levels through skill and project volume.

What does an entry level computer scientist do?

An entry level computer scientist typically works on software development, coding, testing, debugging, and supporting computer systems and applications. They may work under the supervision of senior engineers, assisting in designing algorithms, solving technical problems, and maintaining documentation. Their tasks often involve collaborating with teams, learning new technologies, and applying foundational knowledge to real-world projects. This role provides an opportunity to grow technical skills and gain industry experience.

How to get into computer science with no experience?

Entry level computer scientists can start by learning programming languages such as Python or Java through online courses and tutorials. Gaining practical skills with projects, participating in coding challenges, and obtaining certifications like CompTIA IT Fundamentals can improve employability without prior experience.

What Does an Entry-Level Computer Scientist Do?

As an entry-level computer scientist, your job is to help develop software for your client. In this role, you may help coordinate the flow of work between departments, provide feedback on the development of an application, work with an existing developer to learn coding techniques, study the programming environment, or set up a server. As a junior developer, your job isn't to create the software so much as learn how to make it. Companies typically use this job as an extended training period to prepare employees for larger assignments. These jobs go by several names, so you may need to apply for positions like an entry-level computer programmer or entry-level computer engineer.

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

AspectEntry Level Computer ScientistEntry Level Software Developer
Required CredentialsBachelor's in Computer Science or related field; some roles may prefer internshipsBachelor's in Computer Science, Software Engineering, or related field; coding bootcamps helpful
Work EnvironmentResearch labs, academia, tech companies focusing on algorithms, data structures, and theoretical conceptsSoftware companies, startups, IT departments developing applications, websites, and software solutions
Employer & Industry UsageUniversities, research institutions, tech firms emphasizing research and developmentTech firms, software companies, consulting firms focusing on product development

Entry Level Computer Scientists typically focus on research, algorithms, and theoretical aspects of computing, often working in academia or research labs. In contrast, Entry Level Software Developers concentrate on coding, building applications, and deploying software solutions in industry settings. Both roles require a computer science background but differ in their primary focus and work environment.

How to make $10,000 a month with no degree?

Entry level computer scientists can increase earning potential by developing in-demand skills such as programming, data analysis, or cybersecurity, and gaining experience through freelance projects or certifications like CompTIA or Cisco. Building a strong portfolio and networking can lead to higher-paying freelance or contract work, which can help reach a monthly income of $10,000.

What jobs pay 4000 a week without a degree?

Entry-level computer science roles that can pay around $4,000 a week without a degree typically involve freelance or contract work such as software development, web development, or cybersecurity consulting, often requiring strong skills in programming, problem-solving, and relevant tools. These positions may be project-based, remote, or self-employed, and income depends on experience, skill level, and client demand.

What are the key skills and qualifications needed to thrive as an Entry Level Computer Scientist, and why are they important?

To succeed as an Entry Level Computer Scientist, a solid background in computer science fundamentals, programming languages (such as Python or Java), and a relevant degree are essential. Familiarity with version control systems (like Git), development environments, and basic software engineering tools is typically required. Strong problem-solving abilities, teamwork, and effective communication help individuals excel in collaborative and technical settings. These skills ensure the ability to contribute to projects, adapt to new technologies, and work efficiently within dynamic development teams.

What types of projects do entry level computer scientists typically work on, and how do these projects support skill development?

Entry level computer scientists are often assigned to collaborative projects such as developing software features, debugging code, or assisting with data analysis tasks. These projects usually involve working under the guidance of senior engineers and require learning new programming languages, development tools, and methodologies. By tackling real-world problems and contributing to team goals, entry level professionals gain practical experience, build technical proficiency, and learn industry best practices, which are essential for career advancement.
More about Entry Level Computer Scientist jobs
What cities near O'Fallon, IL are hiring for Entry Level Computer Scientist jobs? Cities near O'Fallon, IL with the most Entry Level Computer Scientist job openings:
Entry Level Computer Scientist jobs near you
Infographic showing various Entry Level Computer Scientist job openings in O'Fallon, IL as of July 2026, with employment types broken down into 1% As Needed, 76% Full Time, 20% Part Time, and 3% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $103,861 per year, or $49.9 per hour.

Entry-Level Connector Developer

Nomad eCommerce

Saint Louis, MO

$20 - $35/hr

Part-time

Posted 16 days ago

Job description

Entry-Level Connector Developer

About Nomad

At Nomad eCommerce, we build ecommerce solutions that connect online stores with the business systems our customers rely on every day. As an Entry-Level Connector Developer, you'll help create and maintain the integrations that allow orders, inventory, pricing, customers, and other critical business data to flow seamlessly between ecommerce platforms and ERP systems.


This is an excellent opportunity for a recent graduate or early-career developer looking to build a career in software engineering. You'll receive hands-on mentoring while working alongside experienced developers and project managers on real client implementations.


Every project is different, offering opportunities to solve technical challenges, expand your development skills, and gain exposure to enterprise software used by manufacturers, distributors, and wholesalers around the world.


What You'll Do

  • Develop and maintain software connectors using C# and .NET.
  • Build and troubleshoot REST API integrations.
  • Write SQL queries to retrieve and validate data.
  • Assist with mapping and transforming data between JSON, XML, CSV, and database formats.
  • Test integrations using Postman and internal tools.
  • Troubleshoot integration issues and assist with resolving production support tickets.
  • Work closely with developers, ERP consultants, and project managers to deliver customer solutions.
  • Document integration processes and technical solutions.
  • Participate in code reviews, team meetings, and continuous learning opportunities.
  • Continue developing technical knowledge through mentoring and hands-on project experience.
  • Other duties may be assigned to meet business needs


What We're Looking For

We're looking for someone who enjoys solving problems, likes working with data, and wants to grow as a software developer.


Required Qualifications

  • Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related field (or equivalent experience).
  • Experience programming in C#, Java, JavaScript, Python, or another object-oriented language.
  • Basic understanding of SQL and relational databases.
  • Familiarity with REST APIs.
  • Understanding of JSON and XML.
  • Strong analytical and problem-solving skills.
  • Strong communication skills.
  • Attention to detail.
  • Ability to learn new technologies quickly.
  • Ability to manage multiple tasks and priorities.


Nice to Have

  • Personal, academic, or internship projects involving APIs.
  • Experience with Git or GitHub.
  • Experience using Postman.
  • Exposure to .NET development.
  • Exposure to ERP or ecommerce systems.
  • Understanding of software debugging techniques.
  • Experience with Azure DevOps or CI/CD pipelines.
  • Knowledge of HTML, CSS, or JavaScript.


Why Join Nomad?

At Nomad, building strong relationships with our team members is central to our culture. We believe in investing in people who are eager to learn, collaborate, and grow.

You'll work on real-world software projects that directly impact our customers while receiving mentorship from experienced engineers. If you're looking for a place where you can build your technical skills, contribute meaningful work, and grow your career, we'd love to hear from you.


Communication Disclaimer
All official communications regarding this position will only come from one of the following:

  • notifications@app.bamboohr.com
  • Any email address ending in @nomadecommerce.com

If you receive communication about this position from any other source, please disregard it as it is not authorized by Nomad eCommerce.

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