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Software Engineer Iii Jobs in California (NOW HIRING)

Gnostech LLC

Software Engineer III

San Diego, CA · On-site +1

$125K - $175K/yr

Software Engineer III ID: 1158 Location: San Diego, CA Description Gnostech, LLCis seeking a skilled Software Engineer III to support the Navy and Marine Corps (NAVWAR/NIWC Pacific) Meteorology and ...

Eldorado CA

Software Engineer III

Riverside, CA · On-site

$120K - $145K/yr

Software Engineer III Location: Riverside, CA Salary Range: $120,000 - $145,000 Position Summary The Software Engineer III is responsible for the design, development, testing, and troubleshooting of ...

Prescient Edge

Software Engineer III

San Diego, CA · On-site

$61 - $82/hr

Job Title Software Engineer III Location San Diego, CA 22400 US (Primary) Category Research, Development, and Engineering Job Type Full-Time Career Level Staff Education Master's Degree Travel ...

Gnostech

Software Engineer III

San Diego, CA · On-site

$125K - $175K/yr

Gnostech, LLCis seeking a skilled Software Engineer III to support the Navy and Marine Corps (NAVWAR/NIWC Pacific) Meteorology and Oceanography (METOC) In-Service Engineering (ISEA) Programs. This ...

Gnostech, LLC

Software Engineer III

San Diego, CA · On-site

$61 - $82/hr

Gnostech, LLC is seeking a skilled Software Engineer III to support the Navy and Marine Corps (NAVWAR/NIWC Pacific) Meteorology and Oceanography (METOC) In-Service Engineering Programs. This role ...

Apex Informatics

Software Engineer III

Mountain View, CA · On-site

$67.75 - $91.25/hr

Software Engineer III Location: Mountain View , CA, US, 2 days a week hybrid SDG Tuesday/Wed Top Skill Software Engineer Contractor, Python Qualifications: - A minimum of 5 years of professional ...

Chipton Ross

Software Engineer 3

Redondo Beach, CA · On-site

$171.25/hr

Job #219235 Chipton-Ross is seeking multiple Software Engineer 3's for a contract opportunity in Redondo Beach, CA. BASIC QUALIFICATIONS (REQUIRED SKILLS/EXPERIENCE) * 12 years of relevant experience ...

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How much do software engineer iii jobs pay per hour?

As of Aug 28, 2026, the average hourly pay for software engineer iii in California is $64.36, according to ZipRecruiter salary data. Most workers in this role earn between $54.57 and $73.32 per hour, depending on experience, location, and employer.

What is a software engineer III?

A Software Engineer III is an experienced mid-to-senior level software developer responsible for designing, developing, and maintaining software applications. They typically work independently or as technical leads on projects, collaborate with cross-functional teams, and mentor junior engineers. This role requires strong problem-solving skills, a deep understanding of programming languages and software architecture, and several years of professional experience in software development.

How does a software engineer III typically collaborate with cross-functional teams during a project lifecycle?

As a Software Engineer III, you will frequently work with cross-functional teams, including product managers, designers, QA engineers, and sometimes stakeholders from other departments. Collaboration often involves participating in requirements gathering, design discussions, code reviews, and sprint planning sessions. You may also mentor junior engineers and help bridge communication between technical and non-technical team members, ensuring that project goals are clearly understood and met efficiently. This collaborative environment helps drive innovation and ensures the delivery of high-quality software solutions.

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

To thrive as a Software Engineer III, you need advanced programming skills, a deep understanding of software development principles, and a relevant degree such as computer science or engineering. Proficiency in industry-standard languages (like Java, Python, or C++), version control systems (e.g., Git), and familiarity with cloud platforms or CI/CD tools is typically required. Strong problem-solving, effective communication, and leadership abilities help you collaborate and mentor others on your team. These skills ensure you can deliver robust, maintainable solutions and drive technical projects forward efficiently.

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Infographic showing various Software Engineer Iii job openings in California as of August 2026, with employment types broken down into 1% As Needed, 90% Full Time, 6% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $133,870 per year, or $64.4 per hour.

Software Engineer III

San Diego, CA • On-site, Remote

Gnostech LLC
51 - 200 employees
Learn more about Gnostech LLCexternal

$125K - $175K/yr

Full-time

Re-posted 6 days ago

Job description

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Software Engineer III
Summary
Title: Software Engineer III ID: 1158 Location: San Diego, CA
Description

Gnostech, LLCis seeking a skilled Software Engineer III to support the Navy and Marine Corps (NAVWAR/NIWC Pacific) Meteorology and Oceanography (METOC) In-Service Engineering (ISEA) Programs. This role will support software maintenance, development, integration, and cybersecurity compliance for fielded systems, lab assets, and Engineering Development Models (EDMs) under the METOC CB-ISEA program. The ideal candidate will be responsible for maintaining system software, applying and testing security patches, managing documentation, and assisting with certification and accreditation (C&A) processes in compliance with DoD cybersecurity standards.

Overview

Location

  • San Diego, CA. Hybrid or remote work is not authorized

Job Title

  • Software Engineer III

Salary

  • $125,000 - $175,000

Shift

  • N/A

Travel

  • Yes, may involve several Contiguous United States (CONUS)/Outside Continental United States (OCONUS) trips as required.

Position Responsibilities

  • Maintain and update system software and firmware, including integration, version control, and OS/application upgrades.
  • Develop and test automation scripts for patch deployments; build, verify, and distribute software media.
  • Perform software testing and validation; create and maintain system manuals, test plans, and version documentation.
  • Review and validate software change requests; support troubleshooting and ensure proper configuration tracking with CM staff.
  • Identify, implement, and test security patches and configurations; manage vulnerability scans, mitigations, and system updates.
  • Assist in system hardening, STIG compliance, and C&A package preparation, including risk assessments and documentation.

Minimum Security Clearance

  • Current active Secret Clearance

Required Qualifications and Skills

  • 10+ years of software engineering or systems engineering experience, preferably within a DoD or government environment
  • Experience with applying modern software development methodologies (e.g. agile, DEVOPS/DEVSECOPS) in a professional or academic setting.
  • Experience with Windows and/or Linux system administration and scripting
  • Experience with DISA STIGs, patch management, and DoD cybersecurity requirements
  • Experience with software version control systems and issue tracking tools
  • Agile Developer certification or Certified Scrum Developer certification
  • DoD 8570 IAT Level II, Security+ CE or equivalent

Desired Skills

  • Strong documentation and communication skills

Education and Training Required

  • Master's degree in a quantitative field such as engineering or mathematics (e.g. Electrical Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems)

Minimum Years of Experience

  • 10+ years of software engineering or systems engineering experience, preferably within a DoD or government environment

===============================================================

Gnostech LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, or disability status. For more information, please visit www.eeoc.gov.

If this position requires a government clearance, the applicants selected will be subject to a government security investigation and must meet eligibility requirements for accessing classified information.

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Headquarters650 Louis Drive, Suite 190
Warminster, PA 18974 Phone: (215) 443-8660 Fax: (267) 573-3308 West Coast Office2468 Historic Decatur Road, Suite 130
San Diego, CA 92106
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