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Junior Computer Science Jobs in Riverside, CA (NOW HIRING)

APTIM

Environmental Scientist

Irvine, CA · On-site

$80K - $105K/yr

... science-based solutions. Responsibilities may also include supervising junior staff and ... Strong computer skills required. Must have demonstrated strength and proficiency with Microsoft ...

Capgroup

Artificial Intelligence Scientist IV

Irvine, CA · On-site

... junior and senior applied scientists, fostering growth and nurturing the next generation of AI ... You hold a MS in Computer Science, Artificial Intelligence, Machine Learning, or related technical ...

FieldAI

Senior Machine Learning Platform Engineer

Irvine, CA · On-site

$110K - $152K/yr

... junior engineers, providing technical guidance and career development. Qualifications : Required : • Bachelor's/Master's in Computer Science, Engineering, or related field (or equivalent experience ...

Wise Skulls

Sr Full Stack Software Engineer

Pomona, CA · On-site

Mentor junior engineers and contribute to technical standards. Required Qualifications * Bachelor's degree in Computer Science, Engineering, or related field. * 8+ years of full-stack software ...

New

Masimo

Sr Engineer, Software Automation

Irvine, CA · On-site

$100K - $130K/yr

Mentor junior engineers and promote a culture of quality, security, and continuous learning ... Master's degree in Computer Science, Engineering, Cybersecurity, or related field * Experience with ...

Masimo

Sr Engineer, Software Automation

Irvine, CA · On-site

$100K - $130K/yr

Mentor junior engineers and promote a culture of quality, security, and continuous learning ... Master's degree in Computer Science, Engineering, Cybersecurity, or related field * Experience with ...

Willdan Group, Inc.

Designer II

Walnut, CA · On-site

Applying computer science/programming skills to build or improve project tracking tools, dashboards, and workflow automation. * Mentoring junior designers on tools, processes, and standards.

TRL11, Inc.

Jr Algorithms/Video Engineer

Irvine, CA · On-site

$80 - $150K/hr

Mentor junior team members, providing guidance and technical expertise to foster their professional growth. Requirements * Bachelor's or higher degree in Computer Science, Data Science, Electrical ...

TRL11, Inc.

Jr Algorithms/Video Engineer

Irvine, CA · On-site

$80 - $150K/hr

Mentor junior team members, providing guidance and technical expertise to foster their professional growth. Requirements * Bachelor's or higher degree in Computer Science, Data Science, Electrical ...

TRL11, Inc.

Jr Algorithms/Video Engineer

Irvine, CA · On-site

$80 - $150K/hr

Mentor junior team members, providing guidance and technical expertise to foster their professional growth. Requirements * Bachelor's or higher degree in Computer Science, Data Science, Electrical ...

TRL11, Inc.

Sr Algorithms/Video Engineer

Irvine, CA · On-site

$150K - $220K/yr

Mentor junior team members, providing guidance and technical expertise to foster their professional growth. Requirements * Bachelor's or higher degree in Computer Science, Data Science, Electrical ...

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All JobsComputer Science JobsJunior Computer Science JobsJunior Computer Science Jobs in Riverside, CA

Junior Computer Science information

See Riverside, CA salary details

$25K

$92.8K

$143.4K

How much do junior computer science jobs pay per year?

As of Aug 10, 2026, the average yearly pay for junior computer science in Riverside, CA is $92,825.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,900.00 and $90,800.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a junior computer scientist?

To thrive as a Junior Computer Scientist, 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 database management, and exposure to development environments are commonly expected. Strong problem-solving abilities, effective communication, and a willingness to learn are essential soft skills for this role. These skills and qualities enable junior computer scientists to contribute to team projects, adapt to new technologies, and efficiently solve real-world technical problems.

What is the difference between Junior Computer Science vs Junior Software Developer?

AspectJunior Computer ScienceJunior Software Developer
Required CredentialsDegree in Computer Science or related fieldDegree or coding bootcamp certification
Work EnvironmentAcademic, research, or entry-level tech rolesSoftware development teams, tech companies
Industry UsageUniversities, research labs, tech firmsSoftware companies, startups, IT departments
Common Search/ComparisonYesYes

Junior Computer Science roles typically focus on foundational knowledge, research, or academic settings, requiring a degree in computer science. Junior Software Developer positions are more application-oriented, involving coding and software creation within development teams. While both roles are entry-level, they serve different career paths within the tech industry.

What is a junior computer scientist?

A Junior Computer Scientist is an entry-level professional who typically holds a degree in computer science or a related field. They work under the supervision of senior staff to design, develop, test, and maintain software, algorithms, or systems. Their responsibilities may include coding, debugging, conducting research, and assisting with technical documentation. This role is often a starting point for those looking to advance in the field of computer science, offering valuable hands-on experience and opportunities to learn from more experienced colleagues.

What types of projects and responsibilities can a junior computer science professional expect in their first year?

As a Junior Computer Science professional, you can expect to work on a variety of foundational tasks such as debugging code, writing unit tests, and assisting with the development of new features under the supervision of more experienced team members. You may also participate in code reviews, collaborate with cross-functional teams like design and QA, and help maintain documentation. These hands-on experiences are designed to help you build technical skills, understand software development processes, and gradually take on more complex assignments as you gain confidence and expertise.
What are the most commonly searched types of Computer Science jobs in Riverside, CA? The most popular types of Computer Science jobs in Riverside, CA are:
What are popular job titles related to Junior Computer Science jobs in Riverside, CA? For Junior Computer Science jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Junior Computer Science jobs in Riverside, CA look for? The top searched job categories for Junior Computer Science jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Junior Computer Science jobs? Cities near Riverside, CA with the most Junior Computer Science job openings:
Junior Computer Science jobs near you
Infographic showing various Junior Computer Science job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, 3% Contract, and 1% Nights. Highlights an 80% Physical, 1% Hybrid, and 19% Remote job distribution, with an average salary of $92,825 per year, or $44.6 per hour.

Environmental Scientist

APTIM

Irvine, CA • On-site

$80K - $105K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 20 days ago

APTIM rating

8.8

Company rating: 8.8 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

Job description

Job Overview:
APTIM Environmental & Infrastructure, LLC is seeking a mid-level Environmental Scientist on a full-time basis to work at our Irvine, California office to participate in a variety of environmental compliance tasks in support of our RCRA and state hazardous waste, non-RCRA waste, regulated waste, hazardous materials management, and other environmental compliance media including auditing programs. The successful candidate will prepare technical and compliance reports and review reports completed by junior personnel. Assist in preparation of proposals, budgets, vendor/subcontractor selection, and other contract related items. Conduct technical and regulatory analyses and review analyses of junior personnel. Perform diverse fieldwork, including sampling inspections and audits. Apply expertise to both standard and unique situations, ensuring environmental standards are met across projects. Be expected to maintain current knowledge of environmental regulations and emerging developments. This role requires both independent work and collaboration with multidisciplinary teams to ensure compliance and provide clients with practical, science-based solutions. Responsibilities may also include supervising junior staff and participating in leadership development opportunities.
This position will involve approximately 50% field work and 50% office work. Duties will be performed in both office and field environments and may require travel to client facilities to conduct environmental compliance reviews and audits, as well as gather and evaluate related data.
Key Responsibilities/Accountabilities:
  • Executing and managing various work scopes, while meeting project schedules and budgets.
  • Collection and interpretation/evaluation of scientific data.
  • Executes field work within project schedule and budgetary goals and supervises subcontractors.
  • Use various environmental databases and software to research project/site requirements and document the results in a technical report.
  • Work independently and as part of a project team and be able to adjust to changing conditions or client requirements. Supervises junior staff on more complex work tasks.
  • Adheres to established health and safety policies and procedures and executes work in a safe and conscientious manner.
  • Understands technical concepts, evaluation results, plans, reports, and ensures conformance to applicable technical standards.
  • Interfacing with client personnel at a corporate and facility level.
  • Has in-depth experience, knowledge, and skills in own discipline.
  • Flexible and willing to support other projects as needed.
  • Drafts technical documents for regulatory agencies and private clients.
  • Providing guidance and oversight to junior staff.
  • Applies knowledge and skills to more complex situations.
  • Build and maintain successful client relationships.
  • Work with clients to evaluate proposed projects for anticipated impacts, define type of environmental requirements needed and prepare proposals.
  • Communications with regulatory agencies.
  • Time management to ensure a quality product is prepared to meet project deadlines.
  • Applies knowledge and skills to a wide range of standard and nonstandard situations.
  • Following defined processes explicitly while also being able to identify and accommodate new or changing scenarios as well as developing processes for new activities.
  • Specific experience with RCRA and state hazardous waste, non-RCRA waste, and regulated waste compliance and national experience required.
  • Prior experience or training regarding environmental compliance and related federal and state environmental regulations required.
  • Experience with auditing is preferred.

Basic Qualifications:
  • Bachelor's degree in environmental science, a core science (such as geology, chemistry, physics, or biology), engineering, or related area required.
  • Related work experience of 4-6 years.
  • Must have strong written and oral communication skills.
  • Must have strong organizational skills.
  • Strong computer skills required. Must have demonstrated strength and proficiency with Microsoft applications such as MS Excel, MS Word, SharePoint Online, and ability to learn other software applications.
  • May be asked to work in the field and travel to complete work.

About APTIM
APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living. A leading professional solutions firm, we specialize in environmental, sustainability, resilience, and infrastructure solutions. Our team of experts provide these integrated solutions for forward-thinking government agencies, commercial and industrial clients, and energy customers. Together, we create sustainable and resilient communities for all.
What you can expect from APTIM:
  • Work that is worthy of your time and talent
  • Respect and flexibility to live a full life at work and at home
  • Dogged determination to deliver for our clients and communities
  • A voice in making our company better
  • Investment into your personal and professional development

As of the date of this posting, a good faith estimate of the current pay range for this position is $90,000 to $100,000 per year. Compensation depends on several factors including: experience, education, key skills, geographic location of the position, client requirements, external market competitiveness, and internal equity among other employees within APTIM.
Employee Benefits
APTIM Environmental & Infrastructure, LLC committed to providing an extensive range of benefits that protect and promote the health and financial well-being of our employees and their families through the APTIM Benefits Marketplace https://aptim.makeityoursource.com/.
  • Medical, vision, and dental insurance: Through the marketplace, our employees can choose benefits from five metallic levels and several carriers to find the right benefits that work for them in their location.
  • Company paid and optional Life insurance
  • Short-term and long-term disability insurance
  • Accident, Critical Illness, and Hospital Indemnity coverage
  • Paid holidays, vacation, and sick leave (eligibility based on company policy and applicable law)
  • 401(k) APTIM offers three 401k plans through the Aon Pooled Employer Plan (PEP). The specific plan you are eligible for depends on the business unit you are in. The details of the largest plan are found here:
    • APTIM 401(k) Guide
    • APTIM - Helpful Documents

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