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Senior Software Developer Jobs in Westminster, CA

SpaceX

Sr. Software Engineer (Starfall)

Hawthorne, CA

$165K - $230K/yr

SR. SOFTWARE ENGINEER (STARFALL) As a Sr. Software Engineer on the Starfall Engineering organization, you will design and implement software and firmware for the next generation of avionics systems ...

First Resonance

Senior Software Engineer

Los Angeles, CA · On-site

$160K - $190K/yr

Senior Software Engineer We're looking for a full-time Senior Software Engineer to join us in our mission of bringing the ION Factory OS to next-generation hardware builders around the globe. We are ...

First Resonance

Senior Software Engineer

Los Angeles, CA · On-site

$160K - $190K/yr

Senior Software Engineer We're looking for a full-time Senior Software Engineer to join us in our mission of bringing the ION Factory OS to next-generation hardware builders around the globe. We are ...

Freeform

Senior Software Engineer

Los Angeles, CA · On-site

$150K - $250K/yr

SENIOR SOFTWARE ENGINEER Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. By treating ...

Aveva

Senior Software Engineer

Irvine, CA

$104K - $174K/yr

Senior Software Engineer Location: Irvine, CA Job type: Full-time - Hybrid Overview: ETAP, a member of Schneider Electrical Energy Management Software Division, is seeking a senior power system ...

ETAP

Senior Software Engineer

Irvine, CA · On-site

$104K - $174K/yr

Senior Software Engineer Location: Irvine, CA Job type: Full-time - Hybrid Overview: ETAP, a member of Schneider Electrical Energy Management Software Division, is seeking a senior power system ...

Freeform

Senior Software Engineer

Los Angeles, CA · On-site

$150K - $250K/yr

SENIOR SOFTWARE ENGINEER Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. By treating ...

Freeform

Senior Software Engineer

Los Angeles, CA · On-site

$150K - $250K/yr

SENIOR SOFTWARE ENGINEER Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. By treating ...

Parallel Systems

Senior Software Engineer

Los Angeles, CA · On-site

$150K - $212K/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 ...

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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.

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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.

Sr. Software Engineer (Starfall)

SpaceX

Hawthorne, CA

$165K - $230K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 27 days ago

SpaceX rating

8.7

Company rating: 8.7 out of 10

Based on 148 frontline employees who took The Breakroom Quiz

17th of 72 rated aerospace companies

Job description

SR. SOFTWARE ENGINEER (STARFALL)

As a Sr. Software Engineer on the Starfall Engineering organization, you will design and implement software and firmware for the next generation of avionics systems at SpaceX. You will be responsible for ensuring your system behaves as expected and troubleshoot when necessary. You will have a direct impact on our ability to launch SpaceX systems frequently, safely, and reliably.

Aerospace experience is not required to be successful here - we want our engineers to bring fresh ideas from all areas. We look for engineers who love solving problems and seek to make an impact on an inspiring mission. As we expand this team, we're looking for versatile, motivated, and collaborative engineers. Our team is involved in designing the vehicle systems at every phase of development. Our software engineers are responsible for the life cycle of the software they create, including development, testing, and operational support.

RESPONSIBILITIES:

  • Design and deliver high-quality software and firmware for common processors and micro-controllers
  • Support launch operations
  • Collaborate with peers and customers
  • Bring up and validate devices that communicate-to and fly-in space
  • Analyze test results and bugs which require in-depth investigations
  • Hands-on integration and troubleshooting of flight hardware/software systems
  • Work in a dynamic environment with changing needs, requirements, and challenges

BASIC QUALIFICATIONS:

  • Bachelor's degree in computer science, data science, engineering, math, physics, or scientific discipline; OR 2+ years of professional experience in writing software in lieu of a degree
  • 5+ years of experience in software development with C++ or C languages

PREFERRED SKILLS AND EXPERIENCE:

  • Development experience with microcontrollers
  • Strong software engineering fundamentals in C++
  • Solid fundamental knowledge of computer architecture and networks
  • Familiarity with NXP microcontrollers
  • Commitment to high standard of software development, including adherence to software process and best practices
  • Linux and bash shell scripting
  • Understanding of verification methodologies
  • Excellent communication & documentation skills, and ability to collaborate in multidisciplinary environments

ADDITIONAL REQUIREMENTS:

  • Must be available to work extended hours and weekends when needed to meet critical deadlines

COMPENSATION AND BENEFITS:
Pay Range:
$165,000.00 - $230,000.00/per year    

Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.

Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law.

What SpaceX employees say

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About SpaceX

Sourced by ZipRecruiter

Industry

Aerospace product and parts manufacturing, data services, guided missile and space vehicle manufacturing and satellite telecommunications

Company size

1,001 - 5,000 Employees

Headquarters location

Hawthorne, CA, US

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