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Senior Application Engineer Jobs in California (NOW HIRING)

GFiber

Senior Application Engineer, OSS

Sunnyvale, CA

The application window will be open until at least July 27th, 2026 . This opportunity will remain ... Be a senior person to set direction for and coordinate work of other software engineers and system ...

GFiber

Senior Application Engineer, OSS

Sunnyvale, CA · On-site

The application window will be open until at least July 27th, 2026 . This opportunity will remain ... Be a senior person to set direction for and coordinate work of other software engineers and system ...

Atria Group LLC

Senior Application Engineer- JAVA

Folsom, CA

$133K - $175K/yr

Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services ...

AVUM INC

Application Engineer Senior

Malibu, CA · On-site

$105K - $145K/yr

Position Summary Avum is seeking a highly skilled Senior Application Engineer to support the design, development, integration, and sustainment of enterprise software solutions for Federal and ...

US Tech Solutions

Sr. Application Developer

Pasadena, CA

$104K - $144K/yr

The Sr. Application Developer role provides technology leadership across a multidisciplinary technical team. The Integration Architect will focus on designing and delivering high quality enterprise ...

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Showing results 21-40

All JobsApplication Engineer JobsSenior Application Engineer JobsSenior Application Engineer Jobs in California

Senior Application Engineer information

See California salary details

$68.6K

$127.3K

$180.6K

How much do senior application engineer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for senior application engineer in California is $127,309.00, according to ZipRecruiter salary data. Most workers in this role earn between $106,600.00 and $142,600.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior application engineer, and why are they important?

To excel as a Senior Application Engineer, you need advanced expertise in software development, system architecture, and troubleshooting, often supported by a degree in computer science or a related field. Familiarity with programming languages (such as Java, Python, or C#), cloud platforms, and tools like Git or CI/CD pipelines, as well as certifications like AWS Certified Solutions Architect, are commonly required. Strong problem-solving abilities, leadership, and effective communication are critical soft skills for collaborating with teams and mentoring junior engineers. These competencies are vital to delivering robust applications, ensuring system reliability, and driving technical innovation within the organization.

What does a senior application engineer do?

A Senior Application Engineer is responsible for designing, developing, and maintaining complex software applications to meet business requirements. They often lead technical projects, mentor junior engineers, and collaborate closely with cross-functional teams such as product management and quality assurance. In addition to coding, they are involved in system architecture decisions, troubleshooting technical issues, and optimizing application performance. Their role typically requires several years of experience and in-depth knowledge of specific programming languages and frameworks.

How does a senior application engineer typically collaborate with cross-functional teams during the development lifecycle?

Senior Application Engineers play a pivotal role in bridging technical and business requirements by working closely with product managers, designers, QA specialists, and other engineering teams. They are often responsible for translating user needs into technical solutions, providing architectural guidance, and ensuring that integration points between different systems run smoothly. Effective communication and leadership skills are essential, as they may lead code reviews, mentor junior engineers, and coordinate with stakeholders to address technical challenges and align project goals.

What is the difference between Senior Application Engineer vs Application Engineer?

AspectSenior Application EngineerApplication Engineer
Required CredentialsBachelor's degree in engineering or related field; experience; certifications like PMP or specific industry certificationsBachelor's degree in engineering, computer science, or related field; entry to mid-level experience
Work EnvironmentDesign, development, and troubleshooting in technical teams; client interaction; project managementSupport, implementation, and testing of applications; collaboration with engineering teams
Employer & Industry UsageTechnology, manufacturing, software companiesTechnology, manufacturing, software companies

The main difference is experience level and responsibilities. Senior Application Engineers typically handle complex projects, provide technical leadership, and have more industry experience. Application Engineers focus on supporting and implementing applications, often at an entry or mid-level. Both roles are vital in tech and manufacturing sectors, but the senior position involves greater oversight and expertise.

What are the most commonly searched types of Application Engineer jobs in California? The most popular types of Application Engineer jobs in California are:
What cities in California are hiring for Senior Application Engineer jobs? Cities in California with the most Senior Application Engineer job openings:
Infographic showing various Senior Application Engineer job openings in California as of July 2026, with employment types broken down into 79% Full Time, 17% Part Time, and 4% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $127,309 per year, or $61.2 per hour.

Senior Application Engineer, OSS

GFiber

Sunnyvale, CA

Full-time

Posted 16 days ago

Job description

The application window will be open until at least July 27th, 2026. This opportunity will remain online based on business needs which may be before or after the specified date.

This role is not eligible for immigration sponsorship.

Role Description

We are looking for people that are passionate about solving engineering problems to help: enhance fault and outage management, customer connectivity monitoring, device telemetry collection and analysis to improve customer experience, build APIs for internal services to optimize workflows, and integrate new devices. 

What we are currently working on:

  •  making the OSS ecosystem meet our reliability and performance standards
  •  adding the necessary OSS features to make our network engineering and operations teams efficient in managing and monitoring the network
  •  building troubleshooting tools

In this role, you'll:

  • Build and launch the new GFiber OSS: feature development, service layer development, end-to-end integration
  • Be responsible for development/configuration/troubleshooting/support on the OSS ecosystem
  • Be a senior person to set direction for and coordinate work of other software engineers and system integrators
  • Participate in joint troubleshooting sessions with multiple teams


At a minimum, we would like you to have:

  • Bachelor's degree in Computer Science, a related technical field, or equivalent practical experience.
  • 7 years of combined experience in software engineering using Java/Kotlin & Python.
  • Experience driving complex projects as a Tech Lead.
  • Experience coordinating the execution of software projects across multiple teams: architecture, development, QA

It's preferred if you have:

  • Experience creating and reviewing design for OSS transformational projects including: downstream and upstream integration, dual stack operation, rollout strategy
  • Experience with software development within the Telecommunications / Internet Service Provider industry
  • Proven ability to navigate and deliver projects in dynamic and sometimes unclear environments
  • Experience with end-to-end application troubleshooting.

The US base salary range for this full-time position is between $184,800 - $203,300 + bonus + benefits. As pay varies by location, your recruiter will share more about the specific salary range for your targeted location during the hiring process.

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