1

Principal Application Developer Jobs in California

At least 5 years of experience in building Java/J2EE application; Passionate and enthusiastic about ... Experience developing using agile principals and methodologies; Working experience in Objective-C, ...

Arm is looking for a Principal Field Application Engineer (FAE) to support integration of Arm-powered datacenter SoCs and compute platforms with cloud providers, OEMs, ODMs, and semiconductor ...

Handles stressful situations and deadline pressures well Principal Application Engineer * Proven hands‑on field application engineering experience in solid state drive, flash hard drives, solid ...

next page

Showing results 1-20

Principal Application Developer information

See California salary details

$71.1K

$119.2K

$155.9K

How much do principal application developer jobs pay per year?

As of Jul 14, 2026, the average yearly pay for principal application developer in California is $119,227.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,700.00 and $139,600.00 per year, depending on experience, location, and employer.

What is the difference between Principal Application Developer vs Senior Application Developer?

AspectPrincipal Application DeveloperSenior Application Developer
CredentialsBachelor's or Master's in Computer Science, relevant certificationsBachelor's or Master's in Computer Science, relevant certifications
Work EnvironmentLeads project architecture, mentors teams, influences technical strategyDevelops applications, troubleshoots, and implements solutions under guidance
Industry UsageUsed across industries for senior technical leadership rolesCommonly employed for experienced developers executing complex tasks

The Principal Application Developer typically holds a higher level of responsibility, focusing on architecture, leadership, and strategic technical decisions. In contrast, the Senior Application Developer primarily concentrates on coding, problem-solving, and project execution. Both roles require strong technical skills and relevant experience, but the Principal role involves more leadership and strategic planning.

How does a Principal Application Developer typically collaborate with cross-functional teams on large-scale projects?

Principal Application Developers play a critical role in coordinating with cross-functional teams, including product managers, UX designers, quality assurance engineers, and infrastructure specialists. They often lead technical discussions, set architectural standards, and ensure that development aligns with business objectives. Effective collaboration involves frequent communication, agile ceremonies, code reviews, and mentoring team members. This collaborative environment enables Principal Application Developers to guide projects from conception to deployment while fostering a culture of technical excellence.

What are Principal Application Developers?

Principal Application Developers are senior-level software engineers responsible for leading the design, development, and implementation of complex software applications. They often set technical direction, mentor other developers, and ensure that coding standards and best practices are followed. In addition to hands-on programming, they collaborate with stakeholders to align technical solutions with business goals. Their role also involves troubleshooting high-level issues and making architectural decisions to ensure scalability and maintainability of applications.

What are the key skills and qualifications needed to thrive as a Principal Application Developer, and why are they important?

To thrive as a Principal Application Developer, you need extensive experience in software development, advanced programming skills in multiple languages, and a strong understanding of application architecture, typically supported by a relevant degree. Mastery of development frameworks, cloud platforms (like AWS or Azure), DevOps tools, and often certifications such as AWS Certified Solutions Architect are highly valued. Leadership, effective communication, and problem-solving skills help you guide teams and collaborate across departments. These competencies ensure the successful delivery of robust, scalable applications and effective mentorship within development teams.
Infographic showing various Principal Application Developer job openings in California as of July 2026, with employment types broken down into 67% Full Time, and 33% Part Time. Highlights an 100% In-person job distribution, with an average salary of $119,227 per year, or $57.3 per hour.
Senior Application Engineer (EDA)

Senior Application Engineer (EDA)

Keysight Technologies, Inc.

Santa Clara, CA • On-site

$134K - $224K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 29 days ago


Keysight Technologies rating

8.1

Company rating: 8.1 out of 10

Based on 20 frontline employees who took The Breakroom Quiz

41st of 142 rated electronics manufacturers


Job description

Overview

Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn more about what we do.

Our award-winning culture embraces a bold vision of where technology can take us and a passion for tackling challenging problems with industry-first solutions. We believe that when people feel a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers.

The Application Engineer leads the evaluation, deployment, and support of innovative solutions. In this role, the Principal Application Engineer will act as a technical reference, working closely with customers, partners, R&D Engineers, and Sales teams to evaluate and deploy major new flows, methods and capabilities to meet business objectives.


Responsibilities
  • Regional subject matter expert in multiple tools
  • Lead technical campaigns and direct peers to successful completion
  • Own complete solution (i.e. tool/command, documentation, etc.) and drive to closure
  • Develop and deliver training/education to peers, customers
  • Be a mentor for junior levels
  • Negotiate success criteria with customers for critical technical campaigns
  • Discover and contribute to closing new business opportunities
  • Become a trusted advisor to at least two customers
  • Within their field of expertise, they are not relying on fellow peers for gaps in skill set. I.e. issues encountered are beyond peer knowledge

Qualifications
  • BS in Electrical/Electronics Engineering with 12 years’ experience, MS with 10 years’ experience, or PhD with 7 years’ experience
  • Extensive commercial experience with EDA, semiconductors design and methodologies>
  • Demonstrated leadership with a track record of delivering state-of-the-art results on complex problems
  • Excellent TCL, Python programming skills translating into an ability to take a customer specification and code a solution

Preferred Qualifications and Skills

  • Expert-level knowledge and leadership in EDA, semiconductor  design specializing in digital, RTL design, Power analysis, power optimization, PPA trade-off, verification , etc
  • Experience leading technical efforts to deliver innovative solutions that advance large-scale commercial products
  • Proven ability to understand business requirements and translate them into software roadmaps and plans
  • Ability to disseminate complex information in a clear way to customers, sales teams, and stakeholders
  • Ability to drive success across teams and geographies, and to mentor others 

The level of role will be based on applicable experience, education and skills. 

California  pay range: MIN $134,950 - MAX $224,920

Note: 

This role is eligible for our Keysight Results Bonus Program 

US Employees may be eligible for the following benefits:

  • Medical, dental and vision
  • Health Savings Account
  • Health Care and Dependent Care Flexible Spending Accounts
  • Life, Accident, Disability insurance
  • Business Travel Accident and Business Travel Health
  • 401(k) Plan
  • Flexible Time Off, Paid Holidays
  • Paid Family Leave
  • Discounts, Perks
  • Tuition Reimbursement
  • Adoption Assistance
  • ESPP (Employee Stock Purchase Plan)

Careers Privacy Statement
Keysight Technologies Inc. is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other protected categories under all applicable laws.

Qualifications:
  • BS in Electrical/Electronics Engineering with 12 years’ experience, MS with 10 years’ experience, or PhD with 7 years’ experience
  • Extensive commercial experience with EDA, semiconductors design and methodologies>
  • Demonstrated leadership with a track record of delivering state-of-the-art results on complex problems
  • Excellent TCL, Python programming skills translating into an ability to take a customer specification and code a solution

Preferred Qualifications and Skills

  • Expert-level knowledge and leadership in EDA, semiconductor  design specializing in digital, RTL design, Power analysis, power optimization, PPA trade-off, verification , etc
  • Experience leading technical efforts to deliver innovative solutions that advance large-scale commercial products
  • Proven ability to understand business requirements and translate them into software roadmaps and plans
  • Ability to disseminate complex information in a clear way to customers, sales teams, and stakeholders
  • Ability to drive success across teams and geographies, and to mentor others 

The level of role will be based on applicable experience, education and skills. 

California  pay range: MIN $134,950 - MAX $224,920

Note: 

This role is eligible for our Keysight Results Bonus Program 

US Employees may be eligible for the following benefits:

  • Medical, dental and vision
  • Health Savings Account
  • Health Care and Dependent Care Flexible Spending Accounts
  • Life, Accident, Disability insurance
  • Business Travel Accident and Business Travel Health
  • 401(k) Plan
  • Flexible Time Off, Paid Holidays
  • Paid Family Leave
  • Discounts, Perks
  • Tuition Reimbursement
  • Adoption Assistance
  • ESPP (Employee Stock Purchase Plan)

Careers Privacy Statement
Keysight Technologies Inc. is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other protected categories under all applicable laws.

Education:UNAVAILABLEEmployment Type: UNAVAILABLE

What Keysight Technologies employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom