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Internship Entry Level C# Developer Jobs in Riverside, CA

Transmission Line Engineer

Diamond Bar, CA · On-site

$90K - $105K/yr

  • Dental

  • Vision

  • Retirement

  • PTO

Our Transmission Engineering team is looking for an entry level Transmission Line Engineer to ... Previous internship related to engineering * Advanced proficiency using Microsoft Office suite (e.g ...

WHY THIS INTERNSHIP. This is a real seat on the Engineering team, not busywork. You'll get exposure ... License & Other Requirements Valid State of California Class C Operator's License. Background Check ...

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Electrical Engineer 1

Irvine, CA · On-site

$75K - $95K/yr

  • Medical

  • Dental

  • Retirement

  • PTO

About the job Most entry-level EE jobs put you in a corner running the same test for a year. This ... Develop firmware for microcontroller-based designs using C/C++ and protocols like I2C, SPI, and ...

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Electrical Engineer 1

Irvine, CA · On-site

$75K - $95K/yr

  • Medical

  • Dental

  • Retirement

  • PTO

About the job Most entry-level EE jobs put you in a corner running the same test for a year. This ... Develop firmware for microcontroller-based designs using C/C++ and protocols like I2C, SPI, and ...

Software Quality Engineer I - Hybrid

Irvine, CA · On-site

$69K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Software Quality Assurance Engineer I is an entry-level individual contributor within the ... Coursework, internship, project, or early-career exposure to software development lifecycles ...

Software Quality Engineer I - Hybrid

Irvine, CA · On-site

$69K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Software Quality Assurance Engineer I is an entry-level individual contributor within the ... Coursework, internship, project, or early-career exposure to software development lifecycles ...

Engineering Intern

Yorba Linda, CA · On-site

$22.49 - $27.34/hr

  • Medical

  • PTO

WHY THIS INTERNSHIP? This is a real seat on the Engineering team, not busywork. You'll get exposure ... License & Other Requirements Valid State of California Class C Operator's License. Background Check ...

New

Cybersecurity Quality Engineer

Irvine, CA

$85K - $105K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... internship, co-op, or project-based experience in regulated environments will be considered ... Security+, ISC2 CC, or similar entry-level cybersecurity certification is a plus. Education:

Cybersecurity Quality Engineer

Irvine, CA · On-site

$85K - $105K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... internship, co-op, or project-based experience in regulated environments will be considered ... Security+, ISC2 CC, or similar entry-level cybersecurity certification is a plus. Education:

Manufacturing Engineer

Riverside, CA

$76K - $98K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted ... Hands‑on composite fabrication experience through coursework, internships, student projects, or ...

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Showing results 21-40

Internship Entry Level C Developer information

See Riverside, CA salary details

$12

$23

$41

How much do internship entry level c# developer jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for internship entry level c# developer in Riverside, CA is $23.89, according to ZipRecruiter salary data. Most workers in this role earn between $19.33 and $25.34 per hour, depending on experience, location, and employer.

What is the difference between Internship Entry Level C# Developer vs Junior C# Developer?

AspectInternship Entry Level C# DeveloperJunior C# Developer
Required CredentialsLimited or no professional experience, often pursuing or recently completed relevant educationTypically has completed a degree or certification in computer science or related field
Work EnvironmentInternship setting, often part-time or temporary, with mentorshipFull-time entry-level position with more independent responsibilities
Employer & Industry UsageUsed by companies to train and evaluate potential full-time employeesStandard entry-level role in software development teams across industries

The main difference between an Internship Entry Level C# Developer and a Junior C# Developer lies in experience and employment status. Internships are typically temporary, aimed at gaining experience, while Junior roles are full-time positions requiring some foundational skills. Both roles serve as stepping stones into a professional software development career.

What cities near Riverside, CA are hiring for Internship Entry Level C# Developer jobs?

Cities near Riverside, CA with the most Internship Entry Level C# Developer job openings:

Entry Level Construction Sales Representative

HCI Systems

Ontario, CA • On-site

$55K - $65K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 days ago


Job description

HCI Systems, Inc. (HCI) is hiring motivated, outgoing individuals to join our fast-growing team as Entry-Level Construction Sales Representatives.

This is an excellent opportunity for early-career professionals or individuals looking to transition into B2B sales and learn the fire life safety and low voltage industry from the ground up.


  • Prospect and engage new customers through calls, drop-ins, networking, and outreach. Prospective clients include general contractors, electricians, end users and consultants
  • Develop relationships with facility managers, property managers, contractors, and business owners
  • Identify customer needs and recommend appropriate fire/life safety and low voltage system solutions
  • Prepare pricing proposals including construction estimates with support from senior team members inclusive of reviewing construction documents and specifications.
  • Support business development and client retention efforts
  • Maintain accurate activity and opportunities in the CRM
  • Collaborate closely with the construction team to support customer satisfaction and onboarding
  • Represent HCI professionally in the field, helping drive visibility and brand awareness

What We’re Looking For:

  • Strong communication and interpersonal skills
  • Self-motivated with a desire to learn and grow
  • Comfortable speaking with customers in person, over the phone, and via email
  • Basic computer skills (Microsoft Office, Bluebeam & Excel)
  • Reliable transportation and valid driver’s license
  • Construction, electrical, or technical background is a plus—but not required

      • 0–2 years of experience in B2B sales, customer service, or a customer-facing role, or a strong interest           in launching a career in construction sales
      • Comfortable talking to people and initiating conversations
      • Strong work ethic and willingness to spend time in the field
      • Positive, coachable, and motivated to grow in a sales career

      • Interest in fire/life safety, low voltage systems, or commercial building services

      • Valid driver’s license and reliable transportation

HCI Systems Inc. is a licensed C-7, C-10 and C-16 low voltage systems integration contractor offering a full spectrum of services including sales, engineering, installation, service, and maintenance with over 900 employees in our seven branches. We offer fire life safety, fire suppression, fire sprinkler, access control, video management, intrusion detection, structured cable, nurse call and other related electronic detection solutions to our customers.

Why Join Us?

  • Commissions – HCI offers a competitive commission structure.
  • Unlimited Growth – Our expanding product lines and markets drive consistent double-digit growth, creating ongoing opportunities for advancement.
  • Comprehensive Benefits – Enjoy 401(k) with matching, reduced-cost medical, dental, and vision insurance, plus flexible spending accounts. Additional voluntary benefits include life insurance, disability, and accident coverage.
  • Paid Time Off – Recharge with paid holidays and our PTO plan
  • Weekly Pay – Get paid every Friday.
  • Employee Perks – From appreciation events and department outings to wellness programs and pet insurance, we invest in our team’s well-being.

Equal Employment Opportunity

HCI is an equal opportunity employer. We will not unlawfully discriminate against qualified applicants or employees with respect to any terms and conditions of employment and give equal opportunity considerations to applicants and employees regardless of actual or perceived race, color, creed, religion, national origin, ancestry, citizenship status, age, sex or gender (including pregnancy, childbirth, related medical conditions and lactation), gender identity or gender expression, sexual orientation, marital status, military service and veteran status, disability, protected medical condition as defined by applicable state or local law, genetic information, or any other characteristic protected by applicable federal, state, or local laws and ordinances (“Protected Classifications”). HCI will reasonably accommodate employees and applicants with disabilities as required by law, if the person is otherwise qualified to perform all the essential functions of the position safely and competently.


USD $55,000.00 - USD $65,000.00 /Hr.