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Senior Software Developer Jobs in Westminster, CA

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 ...

Slope

Senior Software Engineer

Costa Mesa, CA · On-site

$191 - $253/hr

Senior Software Engineer Build and scale Anduril's Forge internal tools for manufacturing and deployment efficiency Location: Costa Mesa, California, United States Compensation: $191,000 - 253,000 ...

New

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 ...

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 ...

BeeGenius

Senior Software Engineer

Los Angeles, CA · On-site

$132K - $174K/yr

They are seeking a highly skilled Senior Software Engineer to design and develop software solutions, collaborate with cross-functional teams, and ensure the scalability and performance of their ...

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

Senior Software Developer information

See Westminster, CA salary details

$15

$63

$90

How much do senior software developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for senior software developer in Westminster, CA is $63.64, according to ZipRecruiter salary data. Most workers in this role earn between $54.04 and $71.35 per hour, depending on experience, location, and employer.

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 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 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 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 Westminster, CA?

The most popular types of Software Developer jobs in Westminster, CA are:

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For Senior Software Developer jobs in Westminster, CA, the most frequently searched job titles are:

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The top searched job categories for Senior Software Developer jobs in Westminster, CA are:

What cities near Westminster, CA are hiring for Senior Software Developer jobs?

Cities near Westminster, CA with the most Senior Software Developer job openings:

Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Westminster, CA as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $132,362 per year, or $63.6 per hour.

Senior Software Engineer

JS Consulting

Irvine, CA • On-site

$131K - $173K/yr

Contractor

Re-posted yesterday

Job description

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 developers. This is focused on impact assessments and patches of AOSP at the kernel level. 

  • Board and kernel level development
  •  AOSP builds, Android framework
  •  Integrating packages and creating hardware layer codes
  •  Applying vendor patches
  •  Cybersecurity risk assessment
  •  Legacy Android (5)
  •  Operating System level work
  •  Regulated industry required

Position Summary: We are looking for a Senior Software Engineer with deep experience in Android OS and AOSP platform engineering. In this role, you will own and enhance a customized Android 5–based operating system used within a Class III medical device. You will customize and harden the OS, improve system performance, integrate hardware components, and ensure the platform meets strict medical‑device cybersecurity and regulatory requirements. 
This role requires strong Android platform experience—not just app development—and includes work across OS

frameworks, kernel, BSP, HAL, and system‑level validation.
Key Responsibilities
• Update and modify Android OS (version 5) to address security issues and compliance needs.
• Customize and maintain an AOSP fork, including frameworks, system services, and configuration.
• Apply OS‑level patches and security settings aligned with FDA and EU cybersecurity guidance.
• Integrate BSPs, HALs, vendor patches, and hardware drivers with the Android platform.
• Perform board bring‑up (U‑Boot, device tree, kernel integration).
• Conduct low‑level debugging using UART, JTAG, and similar tools.
• Modify Linux kernel components and device drivers when required.
• Improve system performance, resource usage, and inter‑process communication (Binder/AIDL).
• Use system‑level profiling tools to identify and fix issues.
• Fix OS‑ and kernel‑level vulnerabilities and Reduce OS/kernel attack surfaces.
• Implement OTA update mechanisms.
• Support cybersecurity risk analysis and threat modeling.
• Perform OS‑level verification and validation following IEC 62304.
• Support risk management efforts aligned with ISO 14971.
• Participate in audits and reviews to maintain regulatory compliance.
• Work with app developers to ensure compatibility.
• Partner with cybersecurity, system engineering, and quality teams.
• Create and maintain architecture docs, test plans, and traceability matrices.
• Ensure documentation is complete and audit‑ready.
Required Qualifications
• Bachelor’s or Master’s degree in Computer Engineering, Computer Science, Electrical Engineering, or related field.
• 7+ years of software engineering experience.
• 3+ years working with Android OS / AOSP.
• Strong experience with AOSP builds, Android frameworks, and kernel modification.
• Solid understanding of Linux internals and embedded systems.
• Experience in regulated environments.
• Knowledge of IEC 62304, ISO 14971, and related standards.
• Familiarity with cybersecurity risk assessment and vulnerability remediation.
Preferred Qualifications
• Experience with legacy Android (Android 5).