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Software Developer 3 Jobs in California (NOW HIRING)

Mercor

Software Developer

San Francisco, CA · Remote

$50 - $65/hr

Software Engineer, Full Stack (Python, Java, Rust, C#, C++) Type: Contract Compensation: $50-$65 ... Qualifications Must-Have * 3+ years of dedicated professional experience building and shipping ...

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 ...

AllSTEM Connections

Software Developer - II

Pescadero, CA · On-site

$164K - $185K/yr

Minimum of 3 to 5 years of relevant professional software engineering experience. • Technical Proficiency: oStrong proficiency in Python software development. oProven experience designing ...

Mercor

Software Developer

San Francisco, CA · Remote

$25 - $30/hr

Software Engineer, Full Stack -- India Type: Contract Compensation: $25-$30/hour Location: Remote ... Qualifications Must-Have * 3+ years of dedicated professional experience building and shipping ...

Mirafra Technology

Software Developer

San Jose, CA · On-site

Company Description Mirafra is a global product engineering services company with expertise in ... At least 3 years of software development experience Experience of software development on Apple ...

Sapta Global Inc

Software Developer

Signal Hill, CA · Remote

The management of the entire software development process, from conception to deployment.Updating ... of 3-4 years of experience working as a Dot net programmer having C#, ASP.NET CORE, Angular 11 ...

Jobsbridge

Network Software Developer

San Francisco, CA · On-site

As part of the SDN/NFV team, the Network Software Developer will be responsible for the development ... Bachelor's Degree or equivalent. 3+ years of development in Java/J2EE, WEB development; Python ...

Adobe

Software Developer Engineer 3/4

San Jose, CA

We realize that new ideas can come from everywhere in the organization, and we know the next big idea could be yours! We're looking for a highly motivated Software Developer Engineer to join the team ...

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 ...

Apple

Systems Software Developer

Sunnyvale, CA · On-site

Minimum Qualifications BS and a minimum of 3 years relevant industry experience 3+ years of ... with software observability, metrics systems, or developer productivity analytics Experience ...

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Showing results 41-60

All JobsSoftware Developer 3 JobsSoftware Developer 3 Jobs in California

Software Developer 3 information

See California salary details

$47.4K

$110.4K

$163.8K

How much do software developer 3 jobs pay per year?

As of Aug 22, 2026, the average yearly pay for software developer 3 in California is $110,380.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,800.00 and $128,300.00 per year, depending on experience, location, and employer.

What is the difference between Software Developer 3 vs Software Developer 2?

CriteriaSoftware Developer 3Software Developer 2
ExperienceTypically 5+ yearsTypically 3-5 years
ResponsibilitiesLead complex projects, mentor juniorsContribute to projects, assist team members
SkillsAdvanced coding, system design, problem-solvingProficient coding, basic system understanding
CertificationsOften required or preferredOften required or preferred

Software Developer 3 roles generally require more experience, advanced skills, and leadership responsibilities compared to Software Developer 2. They often lead projects and mentor junior staff, reflecting a higher level of expertise within the same industry and work environment.

What is a software developer 3?

A Software Developer 3 is a senior-level software engineer responsible for designing, developing, and maintaining complex software applications. They typically have several years of experience, advanced coding skills, and may lead projects or mentor junior developers. Proficiency in programming languages, software development tools, and understanding of system architecture are essential for this role.

What other jobs can a software developer do?

A software developer can transition into roles such as software engineer, systems analyst, technical lead, or product manager, often leveraging their programming, problem-solving, and project management skills. They may also move into specialized areas like cybersecurity, data analysis, or DevOps, which require additional certifications or training. These roles typically involve similar technical environments and tools, with some requiring leadership or domain-specific knowledge.

What cities in California are hiring for Software Developer 3 jobs?

Cities in California with the most Software Developer 3 job openings:

Software Developer 3 jobs near you
Infographic showing various Software Developer 3 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 $110,380 per year, or $53.1 per hour.

Software Developer

Mercor

San Francisco, CA • Remote

$50 - $65/hr

Full-time

Posted 13 days ago

Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Software Engineer, Full Stack (Python, Java, Rust, C#, C++)
Type: Contract
Compensation: $50–$65/hour
Location: Remote
Commitment: 40 hours/week

Role Responsibilities

  • Build and ship full-stack applications, services, and internal tools using Python, Java, Rust, C#, C++, or TypeScript to exercise frontier model capabilities end to end.
  • Integrate pre-release model APIs into working software, including tool interfaces, evaluation harnesses, and telemetry.
  • Diagnose and document model and integration failure modes, translating engineering observations into clear written feedback for the research team.
  • Prototype quickly against shifting requirements, delivering working increments with limited up-front specification.
  • Collaborate with the engineering manager and other engineers to maintain consistency in code quality, architecture, and technical documentation.

Qualifications

Must-Have

  • 3+ years of dedicated professional experience building and shipping production software at a recognized, top-tier organization.
  • Production experience in at least one of Python, Java, Rust, C#, or C++, plus working proficiency in a second language.
  • Hands-on experience across the stack: backend services and APIs, a modern front-end framework (React or equivalent), relational or document databases, and cloud deployment.
  • Demonstrated ability to onboard onto an unfamiliar codebase and deliver working code quickly with minimal ramp-up.
  • Ability to engage reliably for at least 40 hours/week during weekdays.
  • Strong written communication skills and the ability to explain complex technical decisions clearly.

Compensation & Legal

  • W-2 employment with Cincinnatus LLC.
  • Paid weekly via Stripe Connect.

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.


#hiringmercor