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Software Engineer Onsite Jobs in California (NOW HIRING)

Senior Software Engineer - ONSITE

Carlsbad, CA · On-site

$127K - $167K/yr

The SeniorSoftware Engineer, Alpha Informatixdevelopsclient-facing and backend components for distributed software solutionsacross the fullsoftware development life cycle, includingnew product ...

Senior Software Engineer (Onsite - SF)

San Francisco, CA · On-site

$144K - $190K/yr

Seam is a company focused on building scalable backends and enhancing developer UX. They are seeking a Senior Software Engineer who is proficient in TypeScript and comfortable in a full-stack role to ...

San Diego, CA (Onsite) Department: Software Engineering Reports To: Software Engineering Manager Position Summary Gamma Scientific is seeking a talented and motivated Mid-Level Software Engineer to ...

Showing results 21-40

Software Engineer Onsite information

What does a software engineer onsite do?

A Software Engineer Onsite is responsible for designing, developing, testing, and maintaining software applications while working physically at the company's office or client location. They collaborate closely with other engineers, product managers, and stakeholders to deliver high-quality solutions. Being onsite often allows for more direct communication, quicker troubleshooting, and greater involvement in team activities and company culture. This role may also require attending in-person meetings and participating in onsite deployments or support.

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

To thrive as a Software Engineer Onsite, you need strong programming skills, proficiency in software development methodologies, and typically a degree in computer science or a related field. Familiarity with version control systems like Git, integrated development environments (IDEs), and knowledge of specific programming languages or frameworks are essential, and certifications like AWS Certified Developer can be advantageous. Exceptional problem-solving abilities, teamwork, and effective communication help you collaborate with colleagues and stakeholders in an onsite environment. These skills ensure the delivery of robust, maintainable software solutions while facilitating efficient workflow and innovation within the team.

How does working onsite as a software engineer typically impact collaboration and project workflows?

Working onsite as a Software Engineer often enhances direct communication and collaboration with team members, project managers, and stakeholders. You'll likely participate in daily stand-ups, code reviews, and design sessions in person, which can streamline decision-making and problem-solving. Additionally, being onsite allows for quicker feedback and fosters a stronger sense of team cohesion. This environment can be particularly beneficial for complex projects requiring frequent collaboration and iterative development.

What is the difference between Software Engineer Onsite vs Software Engineer Remote?

AspectSoftware Engineer OnsiteSoftware Engineer Remote
Work EnvironmentWorks at company premises, collaborating face-to-face with teamWorks from any location, often from home or co-working spaces
Required CredentialsBachelor's degree in CS or related field, relevant coding skillsSame as onsite: degree and coding skills, with added emphasis on self-management
Industry UsageCommon in companies valuing direct collaboration and team presenceGrowing in tech companies prioritizing flexibility and remote work policies

Both roles require similar technical skills and educational backgrounds. The main difference lies in the work environment, with onsite roles emphasizing physical presence and remote roles offering location flexibility. Your choice depends on personal preference and company policies.

What job categories do people searching Software Engineer Onsite jobs in California look for?

The top searched job categories for Software Engineer Onsite jobs in California are:

What cities in California are hiring for Software Engineer Onsite jobs?

Cities in California with the most Software Engineer Onsite job openings:

Infographic showing various Software Engineer Onsite job openings in California as of August 2026, with employment types broken down into 1% Internship, 85% Full Time, 9% Part Time, 2% Temporary, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Senior Embedded Software Engineer, Onsite

Raytheon Technologies

El Segundo, CA • On-site

$132K - $173K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 2 days ago


RTX rating

8.2

Company rating: 8.2 out of 10

Based on 86 frontline employees who took The Breakroom Quiz

38th of 72 rated aerospace companies


Job description

Date Posted:
2026-07-14
Country:
United States of America
Location:
US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01
Position Role Type:
Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance Type:
DoD Clearance: Secret
Security Clearance Status:
Active and existing security clearance required on day 1
At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world.
We have an on-site opportunity for an experienced Senior Embedded Software Engineer to work onsite in El Segundo, CA.
  • Raytheon El Segundo, CA Location

What You Will Do:
Responsibilities include but are not limited to:
  • Supports all aspects of a software development life cycle as members of a multi-disciplined team. This would include supporting new and legacy military and commercial programs from concept and requirements, to design, development, integration, test, and potentially subsequent maintenance tasking.
  • Uses and provides creative solutions to complex technical system and software integration problems.
  • Works closely with Systems Engineers to design ideal solutions with the end user and operational needs in mind.
  • This position may require occasional business-related travel.

Qualifications You Must Have:
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience.
  • Experience in C++ design paradigms experience on Linux, VxWorks, or other Real Time Operating Systems.
  • Experience in developing, testing, and integrating real-time software applications written in C++.
  • Experience in computer scripting languages such as Shell/Perl/Python.
  • Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer:
  • Additional experience in coding using C, C#, Java or closely related software languages.
  • Experience working in lab environments with physical hardware (e.g., test benches, simulators).
  • Ability to quickly understand and navigate complex systems and established code bases.
  • Experience with product development utilizing the Scrum techniques of the Agile software development process.
  • Experience with DevSecOps pipeline implementation and utilization, including Static Code Analysis, Automated Build, and Automated Test techniques using continuous integration/continuous delivery with Test-Driven Development approach.
  • Hands-on experience with Git for version control and GitLab for repository management.
  • Ability to manage multiple priorities.
  • Experienced in developing in CUDA to accelerate compute-intensive workloads on Nvidia GPUs.

What We Offer:
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.
Learn More & Apply Now!
Please consider the following role type definition as you apply for this role.
  • Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
  • This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA , an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
The salary range for this role is 95,500 USD - 181,700 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.
Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.
Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.
This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.
RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.
RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.
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About RTX

Sourced by ZipRecruiter

Industry

Guided missile and space vehicle manufacturing, it services, aerospace product and parts manufacturing and engineering professional services

Company size

10,000+ Employees

Headquarters location

Waltham, MA, US

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