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Contract Software Engineer 300K Jobs in Riverside, CA

Collabera

Cloud Software Engineer II

Ontario, CA · On-site

$61 - $79.25/hr

We are seeking an experienced high-performing software engineer for a contract position in our core software group. The successful candidate will join a highly skilled development team delivering key ...

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All JobsContract Software Engineer 300K JobsContract Software Engineer 300K Jobs in Riverside, CA

Contract Software Engineer 300K information

See Riverside, CA salary details

$66.2K

$153.9K

$214.4K

How much do contract software engineer 300k jobs pay per year?

As of Aug 22, 2026, the average yearly pay for contract software engineer 300k in Riverside, CA is $153,907.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,200.00 and $180,500.00 per year, depending on experience, location, and employer.

What is a contract software engineer?

A Contract Software Engineer is a professional who provides software development services to companies on a contract basis rather than as a full-time employee. These engineers are typically hired for specific projects or to fill temporary skill gaps and are usually paid hourly or per project. Earning $300K as a contract software engineer is possible through a combination of high-demand technical skills, extensive experience, working with top tech companies, and taking on multiple contracts or high-value projects. Additionally, contract engineers often have the flexibility to negotiate their rates and choose contracts that offer the best compensation.

What are the key skills and qualifications needed to thrive as a contract software engineer?

To thrive as a Contract Software Engineer, you need advanced programming skills, strong problem-solving abilities, and a relevant degree or equivalent experience. Proficiency with industry-standard languages (such as Python, Java, or C++), cloud platforms, and version control systems like Git is typically required, along with familiarity with Agile methodologies. Strong communication, adaptability, and self-management make a contractor stand out, enabling them to integrate quickly into diverse teams and projects. These skills and qualities are crucial for delivering high-quality solutions on time and maintaining strong professional relationships in a fast-paced, project-based environment.

What are some common challenges faced by contract software engineers working on high-value projects?

Contract Software Engineers on high-value projects, such as those offering $300K compensation, often face challenges related to quickly adapting to new codebases and company cultures. They are expected to deliver high-impact results within tight deadlines, often with limited onboarding or ramp-up time. Collaboration with permanent team members can also be complex, as contractors must rapidly build trust and communicate effectively to integrate their work. Additionally, balancing multiple stakeholders' expectations and maintaining high-quality output under pressure are key aspects of the role.

What are the most commonly searched types of Software Engineer 300K jobs in Riverside, CA?

The most popular types of Software Engineer 300K jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Contract Software Engineer 300K jobs?

Cities near Riverside, CA with the most Contract Software Engineer 300K job openings:

Contract Software Engineer 300K jobs near you
Infographic showing various Contract Software Engineer 300K job openings in Riverside, CA as of July 2026, with employment types broken down into 2% Internship, 74% Full Time, 2% Part Time, 2% Contract, 19% Nights, and 1% Summer. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $153,907 per year, or $74 per hour.

Senior Embedded Software Engineer

Silvus Technologies

Irvine, CA • On-site

$140K - $200K/yr

Full-time

Re-posted 25 days ago

Job description

THE COMPANY
Silvus Technologies, a leading provider of advanced MANET and MIMO communications systems, is reshaping mesh network technology for mission-critical applications - on the ground, in the air and at sea. Its battle-proven StreamCaster family of MANET radios and proprietary MN-MIMO waveform provides the vital communications link for defense, law enforcement and public safety agencies around the world, and in the toughest operational environments.
With deep roots in DARPA research, Silvus Technologies develops world-class advanced communications technologies that are reshaping the tactical communications landscape. From pure line-of-sight to extreme non-line-of-sight, Silvus radios form a self-healing, self-forming mesh network, enabling secure and reliable connectivity, including video and high-bandwidth data.
Silvus Technologies is a wholly owned subsidiary of Motorola Solutions, Inc.
Would you like to join an incredibly talented group of people, doing very challenging work, with the prime directive of "Keeping Our Heroes Connected"?
THE OPPORTUNITY
Silvus is seeking a Senior Embedded Software Engineer to join our Engineering Group, reporting to the Senior Engineering Director for Irvine with dotted-line reporting to the Director of Software Engineering. The successful individual in this role will participate in the development of Silvus' MANET radios and advanced research projects. This is an opportunity to work on all aspects of the system including device drivers, networking functions and services, encryption, and security features.
This positionis 100% onsite, Monday through Friday, at Silvus Technologies' Engineering and R&D Office in Irvine, CA, near the vibrant Irvine Spectrum.
The following is a list of at least some of the current essential job functions of the position. Management may assign or reassign duties and responsibilities at any time at its discretion.
ROLE AND RESPONSIBILITIES
  • Implementation of software portion of MAC (Medium Access Control) and mobile ad-hoc networking routing protocols.
  • Network management software and web interface implementation.
  • Implementation of different security protocols and encryption algorithms.
  • Audio streaming and push to talk voice application implementation.
  • Analyze and improve product security and robustness to meet certain regulatory requirements such as NIST FIPS 140-3 and NIAP Common Criteria.
  • Implementation of testing software for product performance and reliability testing.
  • Device drivers and board support package development and maintenance for both ARM and RISC-V based systems.
  • Linux system customization and scripting.
  • Perform other related duties of which the above are representative.

REQUIRED QUALIFICATIONS
  • Bachelor of Science degree in Electrical Engineering, Computer or Communications Engineering, Computer Science, or relevant engineering field.
  • Minimum 5 years of relevant embedded system software development experience; 3 years of relevant embedded system software development experience with an advanced STEM degree.
  • Expertise in C programming and experience in Linux kernel drive development.
  • Must be a U.S. Citizen due to clients under U.S. government contracts.
  • All employment is contingent upon the successful clearance of a background check and drug test.

PREFERRED KNOWLEDGE, SKILLS, AND ABILITIES
  • Master of Science degree in Electrical, Computer, or Communications Engineering, or Computer Science.
  • Knowledge and experience of different security protocols and encryption algorithms such as the CNSA (Commercial National Security Algorithm) suite.
  • Demonstrated experience with socket programming and various Internet/Ethernet protocols.
  • Understanding of MAC and Networking layer of a communication system.
  • Experience in AMD UltraScale+, MPSoC, Microchip Polarfire SoC, or BSP (Board Support Package) development.
  • Deep understanding of Internet Protocol Security (IPsec), network protocols, data authentication and encryption.
  • Linux Interrupt Service Routine development.

WORKING CONDITIONS & PHYSICAL REQUIREMENTS
  • Office environment.
  • Occasional exposure to heat, cold, and allergens while performing tests or demonstrations in the field.
  • While performing the duties of this job, the employee is required to do the following:
    • Lift equipment up to 20 lbs. for the set-up of demonstrations and testing.
    • Perform bending and reaching movements to place items on lower and higher shelves.
    • Kneeling or squatting to access lower shelves.
    • Walking/Moving in the labs.

COMPENSATION
The pay range is NOT a guarantee. It is based on market research and peer data, and will vary depending on the candidate's experience and qualifications.
CA Pay Range
$140,000-$200,000 USD
Consistent with Motorola Solutions values and applicable law, we provide the following information to promote pay transparency and equity. Pay within this range varies and depends on job-related knowledge, skills, and experience. The actual offer will be based on the individual candidate.
NOTE - As a US Federal Contractor, Silvus Technologies requires that ALL candidates being considered for employment for any position (regardless of level) MUST be a U.S. Person (permanent resident or citizen). Stricter U.S. Citizen ONLY requirements (needed for some Engineering or R&D roles) will be included in the Required Qualifications section of the posted position. This does NOT apply to international positions; only job postings for positions located in the US.
Motorola Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion or belief, sex, sexual orientation, gender identity, national origin, disability, veteran status or any other legally-protected characteristic.
We are proud of our people-first and community-focused culture, empowering every Motorolan to be their most authentic self and to do their best work to deliver on the promise of a safer world. If you'd like to join our team but feel that you don't quite meet all of the preferred skills, we'd still love to hear why you think you'd be a great addition to our team.
We're committed to providing an inclusive and accessible recruiting experience for candidates with disabilities, or other physical or mental health conditions. To request an accommodation, please complete this Reasonable Accommodations Form so we can assist you.

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