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

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 ...

Paramount

Senior Software Engineer

Burbank, CA · On-site

$130K - $171K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Software Engineer (Video) Location: Burbank, CA / New York, NYC - Onsite Overview The Video ... Experience with CI/CD pipelines and DevOps practices * Experience with technical writing and design ...

3M HEALTHCARE

Senior Software Engineer

Santa Monica, CA · On-site

$141.90 - $190.30/hr

Senior Software Engineer - Commerce Growth Messaging As a Senior Software Engineer for the Commerce Growth Messaging team, you will drive the technical evolution of a mission‑critical ...

B&B Manufacturing Co., Inc.

Software Developer I

Valencia, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... IT Manager or senior Software Developers. Develops and maintains software applications, supports the company's ERP system, system integrations, structured data processes, and server-side web ...

The Walt Disney Company

Sr Software Engineer

Santa Monica, CA · On-site

$137K - $181K/yr

Job Posting Title: Sr Software Engineer Req ID: 10149909 Technology is at the heart of Disney's past, present, and future. Disney Entertainment and ESPN Product & Technology is a global organization ...

The Walt Disney Company

Sr Software Engineer

Glendale, CA · On-site

$129K - $171K/yr

Job Posting Title: Sr Software Engineer Req ID: 10149909 Technology is at the heart of Disney's past, present, and future. Disney Entertainment and ESPN Product & Technology is a global organization ...

S:23 Recruitment

Senior Software Engineer

Los Angeles, CA · On-site

$130K - $200K/yr

S23 - AI Senior Software Engineer: Data Platform Location: On-site, Los Angeles, CA Salary: $130,000 - $200,000 Base + Competitive Equity About the Role A fast-scaling, VC-backed startup is building ...

Paramount

Senior Software Engineer

Burbank, CA · On-site +1

$124K - $186K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Software Engineer - AI Tooling & Quality Engineering Platforms Team : Global Quality ... Key Responsibilities Architect and implement AIdriven services, microplatforms, and developer tools ...

The Walt Disney Company

Sr Software Engineer

Glendale, CA

$129K - $171K/yr

Job Posting Title: Sr Software Engineer Req ID: 10135205 Disney Entertainment and ESPN Product & Technology Technology is at the heart of Disney's past, present, and future. Disney Entertainment and ...

YO AI Labs

Senior Software Engineer - Remote

Los Angeles, CA · Remote

$132K - $174K/yr

Senior Software Engineer Job Type: Contract Location: Remote Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn ...

Oscar Health

Senior Software Engineer, Backend

Los Angeles, CA · On-site

$158K - $207K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We're hiring a Senior Software Engineer, Backend to join our Engineering team. Oscar is the first health insurance company built around a full stack technology platform and a focus on serving our ...

B&B Manufacturing

Software Developer I

Valencia, CA · On-site

$92K - $150K/yr

... IT Manager or senior Software Developers. Develops and maintains software applications, supports the company's ERP system, system integrations, structured data processes, and server-side web ...

Oscar Health

Senior Software Engineer, Backend

Los Angeles, CA · On-site

$158K - $207K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We're hiring a Senior Software Engineer, Backend to join our Engineering team. Oscar is the first health insurance company built around a full stack technology platform and a focus on serving our ...

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Senior Software Developer information

See Valencia, CA salary details

$15

$62

$88

How much do senior software developer jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for senior software developer in Valencia, CA is $62.51, according to ZipRecruiter salary data. Most workers in this role earn between $53.08 and $70.10 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 cities near Valencia, CA are hiring for Senior Software Developer jobs?

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

Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Valencia, CA as of August 2026, with employment types broken down into 1% Internship, 85% Full Time, 10% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $130,026 per year, or $62.5 per hour.

Senior Software Engineer

Parallel Systems

Los Angeles, CA

$150K - $212K/yr

Full-time

Re-posted 3 days ago

Job description

Parallel Systems is pioneering autonomous battery-electric rail vehicles designed to transform freight transportation by shifting portions of the $900 billion U.S. trucking industry onto rail. Our innovative technology offers cleaner, safer, and more efficient logistics solutions. Join our dynamic team and help shape a smarter, greener future for global freight.

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).

We are committed to providing fair and transparent compensation in accordance with applicable laws. Salary ranges are listed below and reflect the expected range for new hires in this role, based on factors such as skills, experience, qualifications, and location. Final compensation may vary and will be determined during the interview process. The target hiring range for this position is listed below.

Target Salary Range:
$150,000—$212,000 USD

Parallel Systems is an equal opportunity employer committed to diversity in the workplace. All qualified applicants will receive consideration for employment without regard to any discriminatory factor protected by applicable federal, state or local laws. We work to build an inclusive environment in which all people can come to do their best work.

Parallel Systems is committed to the full inclusion of all qualified individuals. As part of this commitment, Parallel Systems will ensure that persons with disabilities are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact your recruiter.

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