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Senior Software Developer Jobs in Fullerton, CA (NOW HIRING)

Parallel Systems

Senior Software Engineer

Los Angeles, CA · On-site

$132K - $174K/yr

Senior Software Engineer Parallel Systems is seeking a Senior Software Engineer to design, build, and optimize critical system applications. You will work on high-performance backend systems that ...

JS Consulting

Senior Software Engineer

Irvine, CA · On-site

$131K - $173K/yr

Job Title- Senior Software Engineer Project Location - Irvine, CA (Onsite) Duration- 12+ months contract Visa- USC/ GC HM Notes: Previous subs only had experience at the application layer/app ...

SwiftCruit

Senior Software Engineer

Los Angeles, CA · On-site

$190 - $230/hr

As a senior software engineer at Artifact, you'll own core systems in our AI-assisted cloud ecosystem. This will include high-performance diagramming, real-time collaboration, and physics-based ...

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BeeGenius

Senior Software Engineer

Los Angeles, CA · On-site

$132K - $174K/yr

They are seeking a highly skilled Senior Software Engineer to join their team, responsible for designing and developing software solutions, collaborating with cross-functional teams, and ensuring the ...

Hyundai Capital

Sr. Software Developer (Salesforce)

Irvine, CA · On-site +1

$134K - $164K/yr

WHAT YOU WILL DO The Sr. Software Developer (Salesforce) designs, develops, and supports scalable Salesforce solutions that enable critical business processes and enterprise initiatives. This role ...

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All JobsSoftware Developer JobsSenior Software Developer JobsSenior Software Developer Jobs in Fullerton, CA

Senior Software Developer information

See Fullerton, CA salary details

$16

$64

$91

How much do senior software developer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for senior software developer in Fullerton, CA is $64.40, according to ZipRecruiter salary data. Most workers in this role earn between $54.66 and $72.21 per hour, depending on experience, location, and employer.

What skills and qualifications are needed to thrive as a senior software developer?

To thrive as a Senior Software Developer, you need deep expertise in programming languages, software architecture, and problem-solving, typically backed by a bachelor’s degree in computer science or a related field. Proficiency with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is standard, and certifications in these areas can be beneficial. Leadership, strong communication, and mentoring abilities set standout candidates apart in this role. These skills ensure that complex projects are delivered efficiently, code quality is maintained, and junior team members are effectively guided for overall team success.

What does a senior software developer do?

As a Senior Software Developer, you’ll typically be responsible for leading complex development projects, designing technical solutions, and mentoring junior team members. Daily tasks often include writing and reviewing code, participating in architecture discussions, collaborating with cross-functional teams (such as QA, product management, and DevOps), and troubleshooting high-level technical issues. You may also be involved in setting coding standards, conducting code reviews, and helping to plan sprints or project roadmaps.

What is a senior software developer?

Senior Software Developers are experienced professionals who design, develop, and maintain complex software applications. They often lead development teams, mentor junior developers, and make critical architectural decisions. Their responsibilities include writing high-quality code, troubleshooting technical issues, and ensuring that software projects meet performance and security standards. With deep expertise in programming languages and software engineering principles, they play a key role in delivering successful technology solutions for organizations.

What is the difference between Senior Software Developer vs Software Engineer?

AspectSenior Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's or higher in CS or related field; similar experience levels
Work EnvironmentCollaborates on complex projects, mentors juniors, leads technical effortsDesigns, develops, tests software; may work on specific modules or systems
Industry UsageCommonly used in tech companies, startups, and enterprise firmsWidely used across industries, often interchangeable with developer roles

The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

More about Senior Software Developer jobs
What are the most commonly searched types of Software Developer jobs in Fullerton, CA? The most popular types of Software Developer jobs in Fullerton, CA are:
What are popular job titles related to Senior Software Developer jobs in Fullerton, CA? For Senior Software Developer jobs in Fullerton, CA, the most frequently searched job titles are:
What cities near Fullerton, CA are hiring for Senior Software Developer jobs? Cities near Fullerton, CA with the most Senior Software Developer job openings:
Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Fullerton, CA as of July 2026, with employment types broken down into 88% Full Time, 9% Part Time, and 3% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $133,959 per year, or $64.4 per hour.

Senior Specialist, Software Engineering

L3HHCM20

Anaheim, CA

$122K - $177K/yr

Full-time

Medical, Retirement, PTO

Re-posted 4 days ago

Job description

Job Title:  Senior Specialist, Software Engineering
Job Code: 39185
Job Location: Anaheim, CA
Schedule: 9/80

JOB DESCRIPTION:

L3Harris Maritime Power & Energy Solutions (MPES) has an opening in the software engineering organization within its Maritime Systems sector site located in Anaheim, CA. Under general direction of the Management of Software Engineering, this position develops and applies advanced software engineering methods in the investigation and solution of complex and advanced technical problems power system architectures and power conversion equipment. The Senior Software Engineer shall lead software engineer team to support for all stages of product development from design through implementation and system integration under minimal supervision.

ESSENTIAL DUTIES 

  • Interpret customer specification to define requirements for software design.
  • Capture and document existing software product to meet qualification standards at highly regulated and safety critical government contracts.
  • Provide software technical leadership for the software developer team members.
  • Reviews project progress and helps in earned value reporting.  Recommends corrections in technical approach to maximize efficiency of engineering resources. 
  • Proactively seek performance improvement/enhancement for the SW team with DevSecOp assisted automation and streamlining.
  • Support new programs from conceptual design, through detail design to completion.
  • Responsible to lead and operate Agile sprint/Kanban team, sprint planning, Jira ticket-based workflow management, and tracking toward team deliverable objectives.

QUALIFICATIONS 

  • Bachelor of Science degree in Computer Engineering, Computer Science, Electrical Engineering, or equivalent from a four-year college or university; and minimum 6 years of experience in design and analysis of systems software for power conversion equipment. Master of Science or advanced degree preferred and a minimum of 4 years of prior related experience. Or in lieu of a degree, minimum of 10 years of prior related experience.
  • Ability to obtain and maintain a secret/security clearance.
  • Expertise in embedded real-time systems software design.
  • Experienced in object and service-based software architectures, a plus.
  • Experienced in embedded C and C++ programming.
  • Expertise with communication protocols, such as RS-232, RS-485, and Ethernet.
  • Proven effective communication with Senior Project Management and customer representatives is essential.

Preferred Additional Skills:

  • Experience in development and releasing software products meeting highly regulated and safety critical standards, medical or military grade software product, preferred.
  • Design familiarity with control systems and power conversion concepts is highly preferred.
  • Knowledge of power electronics and analog circuits, a plus.
  • Must be able to work as a key member of the design team with Power Design Engineers, Digital and Analog Engineers, System Engineers, Control System Engineers and Mechanical Engineers
  • Knowledge of Python or C-Sharp is beneficial.

In compliance with pay transparency requirements, the salary range for this role for California is $122,500- 177,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

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