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Senior Software Engineers Jobs in California (NOW HIRING)

ETAP Software

Senior Software Engineer

Irvine, CA · On-site

$129K - $171K/yr

They are seeking a Senior Software Engineer to maintain and enhance software that supports state ... software engineers. Responsibilities : • Implement and maintain system engines used for ...

Jobs for Humanity

Software Engineers

San Jose, CA

Tiktok Senior Software Engineer (Privacy) PDPO-San Jose San Jose Regular R&D Job ID: A205871 Responsibilities TikTok is the leading destination for short-form mobile video. At TikTok, our mission is ...

Britech Group, Inc.

Sr Embedded Software Engineer

Vista, CA · On-site

$126K - $166K/yr

Senior Software Engineer Position Summary This position leads the analysis, design, development ... engineers, and drives the architecture, development, optimization, and support of scalable, high ...

Finix

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

The Senior Software Engineer role focuses on delivering superior technical solutions for customer ... and peer engineers • Become an expert in your payments domain and mentor junior software ...

Xoriant Corporation

Sr. Software Engineer - SOC

San Jose, CA · On-site

$143K - $189K/yr

Job Title: Sr. Software Engineer - SOC (318578) Job Location: San Jose, CA (100% remote for now but need to be onsite as soon as campus opens) Duration: 6+ months contract Client: Samsung Description:

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Senior Software Engineers information

What is the difference between Senior Software Engineers vs Software Developers?

AspectSenior Software EngineersSoftware Developers
Required CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's degree in CS or related field; experience varies, often less than 5 years
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, fixing bugs
Employer & Industry UsageTech companies, startups, enterprise firmsWide range of industries, including tech, finance, healthcare
Common Search & ComparisonOften compared for experience level and responsibilitiesMore entry to mid-level roles, less leadership focus

Senior Software Engineers typically have more experience, take on leadership roles, and handle complex system design, whereas Software Developers focus on coding and feature development. The two roles often overlap but differ mainly in responsibility level and scope of work.

What are the most commonly searched types of Software Engineers jobs in California? The most popular types of Software Engineers jobs in California are:
What cities in California are hiring for Senior Software Engineers jobs? Cities in California with the most Senior Software Engineers job openings:
Senior Software Engineers jobs near you
Infographic showing various Senior Software Engineers job openings in California as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.

Senior Software Engineer

ETAP Software

Irvine, CA • On-site

$129K - $171K/yr

Full-time

Re-posted 27 days ago

Job description

Job Summary:
ETAP Software empowers customers to make informed decisions throughout the life cycle of their projects with innovative software solutions for electrical systems. They are seeking a Senior Software Engineer to maintain and enhance software that supports state estimation and virtual metering for complex electrical networks, as well as develop REST APIs and collaborate with real-time software engineers.
Responsibilities:
• Implement and maintain system engines used for electrical state estimation.
• Design, develop, and maintain REST APIs for internal applications and services.
• Collaborate with real‑time software engineers to support and improve existing web applications.
• Develop REST APIs for cloud‑based companion applications.
• Ensure all software components meet cybersecurity and compliance requirements.
Qualifications:
Required:
• Bachelor of Science in Computer Science, Computer Engineering, or related field
• 5+ years of professional software development experience
• Experience using Microsoft Visual Studio
• Proficiency in: FORTRAN, C++, C#
Preferred:
• Experience developing software for electrical systems
• Strong understanding of linear algebra
Company:
Optimize, simulate, and control electrical systems with confidence across utilities, infrastructure, manufacturing, and building sectors. Founded in 1986, the company is headquartered in Irvine, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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