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Senior Software Developer Jobs in Santa Ana, CA (NOW HIRING)

Parallel Systems

Senior Software Engineer

Los Angeles, CA

$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 ...

EQ Brand

Senior Software Developer

Los Angeles, CA

$58.75 - $77.50/hr

* Utilizes discretion and independent judgement to translate functional requirements into technical solutions. * Assist with defining development work plans. * Design, develop, & deploy application ...

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 ...

Multi Media LLC

Senior Software Engineer

Irvine, CA · Remote

$131K - $173K/yr

ENGINEERING Multi Media LLC in Irvine, CA seeks Senior Software Engineer I. Duties include own entire feature sets or architectural components from planning thru delivery. Define implementation ...

New

Envoc

Senior Software Engineer

Los Angeles, CA · On-site

$132K - $174K/yr

Full-time Description We are seeking an experienced Senior Software Engineer to lead the design and ... Some experience with cloud platforms (AWS, GCP, or Azure) and modern DevOps practices * Experience ...

AllSTEM Connections

Senior Software Engineer

Torrance, CA · On-site

$166K - $178K/yr

Senior Software Engineer (Embedded Firmware & Connected Vehicles) Role Overview We are seeking an experienced, visionary, and hands-on Senior Software Engineer to play a pivotal role in the design ...

SpaceX

Sr. Software Engineer, C++ (Dragon)

Hawthorne, CA · On-site

$165K - $230K/yr

SR. SOFTWARE ENGINEER, C++ (DRAGON) As a Sr. Software Engineer on the Dragon team, you will develop, analyze and verify the mission critical software configurations that fly our Dragon Crewed and ...

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 ...

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Senior Software Developer information

See Santa Ana, CA salary details

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How much do senior software developer jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for senior software developer in Santa Ana, CA is $64.24, according to ZipRecruiter salary data. Most workers in this role earn between $54.52 and $72.02 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 Santa Ana, CA as of August 2026, with employment types broken down into 84% Full Time, 13% Part Time, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $133,610 per year, or $64.2 per hour.

Senior Software Engineer

Parallel Systems

Los Angeles, CA

$132K - $174K/yr

Full-time

Re-posted 21 days ago

Job description

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 empower our rail vehicles to navigate the rail network safely and securely, as well as interface with customer's train control systems. This role requires deep expertise in systems programming and the ability to build robust, efficient software solutions. 

Responsibilities: 

  • Design and implement high-performance, low-latency backend systems for critical train control applications. 
  • Develop and maintain system-level software written primarily in Rust. 
  • Optimize existing codebases for scalability, performance, and reliability. 
  • Collaborate with cross-functional teams to architect fault-tolerant and distributed systems. 
  • Ensure software meets security, compliance, and performance standards. 
  • Conduct performance profiling, debugging, and system diagnostics for complex issues. 
  • Contribute to code reviews, technical discussions, and best practices within the team. 

What Success Looks Like:

  • After 30 Days: You've ramped up quickly, developed a deep understanding of our backend systems, and are actively contributing to high-impact feature development that improves the performance and reliability of our train systems.
  • After 60 Days: You've taken initiative in designing a scalable architecture for integrating with customer enterprise systems. You've outlined a clear and realistic implementation plan, including milestones for development, testing, and deployment.
  • After 90 Days: You have implemented and tested major features in simulation and on real hardware at the test site and have taken the lead on the future path of our back-office systems.

Basic Requirements: 

  • 5+ years of experience in backend or systems-level software development. 
  • Professional experience in C, C++, Rust, or other systems programming languages. 
  • Strong understanding of operating systems, networking, and concurrency models. 
  • Experience building highly available, high-performance systems. 
  • Proficiency with Linux environments, low-level system interactions, and memory management. 
  • Strong debugging and performance optimization skills for complex distributed systems. 

Preferred Qualifications: 

  • Experience with Rust in production or a strong desire to work with Rust. 
  • Experience in safety critical application spaces such as autonomous vehicles, industrial control equipment, or aerospace. 
  • Experience in or knowledge of rail control systems is greatly preferred. 
  • Familiarity with cloud-based architectures and containerized environments (Docker, Kubernetes). 

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