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Freelance Remote Senior Software Developer Jobs in California

Wsgr

Senior Software Developer

San Diego, CA · On-site +1

$147K - $198K/yr

Wilson Sonsini is seeking an experienced Senior Software Developer to join our Innovations team ... You will work closely with a fully remote team of designers, developers, and stakeholders to add ...

Wsgr

Senior Software Developer

Los Angeles, CA · On-site +1

$147K - $198K/yr

Wilson Sonsini is seeking an experienced Senior Software Developer to join our Innovations team ... You will work closely with a fully remote team of designers, developers, and stakeholders to add ...

Wsgr

Senior Software Developer

San Francisco, CA · On-site +1

$147K - $198K/yr

Wilson Sonsini is seeking an experienced Senior Software Developer to join our Innovations team ... You will work closely with a fully remote team of designers, developers, and stakeholders to add ...

Wsgr

Senior Software Developer

Palo Alto, CA · On-site +1

$147K - $198K/yr

Wilson Sonsini is seeking an experienced Senior Software Developer to join our Innovations team ... You will work closely with a fully remote team of designers, developers, and stakeholders to add ...

YO AI Labs

Senior Software Engineer - Remote

Los Angeles, CA · Remote

$132K - $174K/yr

Senior Software Engineer Job Type: Contract Location: Remote Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn ...

Future Engineers, LLC

Sr. Software Engineer

Burbank, CA · Remote

$80 - $120/hr

Future Engineers is looking for a Senior Software Engineer to contract on current and future ... This is a remote position and anticipated to be 10-20 hours per week. Only US-based developers will ...

Mercor

AI Software Developer

San Francisco, CA · Remote

$90 - $110/hr

Senior Software Engineer, Full Stack (Python, Java, Rust, C#, C++) Type: Contract Compensation: $90-$110/hour Location: Remote Commitment: 40 hours/week Role Responsibilities * Build and ship full ...

CMX1

Senior Software Engineer

La Jolla, CA · On-site +1

$103K/yr

SENIOR SOFTWARE ENGINEER Salary: $ 103,000 per year Minimum Education and Experience: Bachelor ... Software Developer. Special Requirements include: Must also demonstrate background, coursework or ...

6sense

Senior Software Engineer

San Francisco, CA · Remote

$191K - $287K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Role Overview We are looking for a high-impact Senior Software Engineer with strong expertise in ... PTO).#Li-remote Notice of Collection and Use of Personal Information for California Residents:

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Freelance Remote Senior Software Developer information

What are the key skills and qualifications needed to thrive as a freelance remote senior software developer?

To thrive as a Freelance Remote Senior Software Developer, you need advanced programming skills, a strong understanding of software architecture, and several years of professional development experience, often supported by a relevant degree or portfolio of completed projects. Mastery of coding languages (such as Python, JavaScript, or Java), version control systems like Git, and familiarity with cloud platforms or CI/CD tools are commonly expected. Excellent self-management, communication, and problem-solving abilities are crucial for collaborating with clients and remote teams. These skills and qualities ensure the delivery of robust solutions, maintain client satisfaction, and support effective independent work in a remote freelance environment.

What is a freelance remote senior software developer?

Freelance remote senior software developers are experienced professionals who design, develop, and maintain software applications while working independently from a remote location. They typically have several years of experience, deep technical expertise, and strong problem-solving skills. These developers often work on a contract or project basis for various clients, managing their own schedules and deliverables. Their responsibilities may include coding, reviewing code, collaborating with distributed teams, and providing technical leadership.

How does a freelance remote senior software developer typically manage communication and collaboration with distributed teams?

As a Freelance Remote Senior Software Developer, clear and proactive communication is critical to successful project delivery. You'll often use collaboration tools like Slack, Zoom, and project management platforms to stay connected with team members across various time zones. Regular stand-up meetings, code reviews, and asynchronous updates help ensure alignment and transparency. It’s important to set expectations around availability and deliverables, and to document your work thoroughly so other team members can easily follow your progress and contribute effectively.

What are the most commonly searched types of Remote Senior Software Developer jobs in California?

The most popular types of Remote Senior Software Developer jobs in California are:

What cities in California are hiring for Freelance Remote Senior Software Developer jobs?

Cities in California with the most Freelance Remote Senior Software Developer job openings:

Freelance Remote Senior Software Developer jobs near you
Infographic showing various Freelance Remote Senior Software Developer job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 33% In-person, and 67% Remote job distribution.

Senior Software Developer

Wsgr

San Diego, CA • On-site, Remote

$147K - $198K/yr

Full-time

Re-posted 23 days ago

Job description

Wilson Sonsini is the premier legal advisor to technology, life sciences, and other growth enterprises worldwide. We represent companies at every stage of development, from entrepreneurial start-ups to multibillion-dollar global corporations, as well as the venture firms, private equity firms, and investment banks that finance and advise them. The firm has approximately 1,100 attorneys in 17 offices: 13 in the U.S., two in China, and two in Europe. Our broad spectrum of practices and entrepreneurial spirit allow exceptional opportunities for professional achievement and career growth.

Wilson Sonsini is seeking an experienced Senior Software Developer to join our Innovations team. The software developers on our team are the primary contributors to Neuron on both the frontend and the backend. You will work closely with a fully remote team of designers, developers, and stakeholders to add new capabilities to the Neuron platform, as well as maintain existing features and infrastructure.

You will be involved in all aspects of software development, including distributed system design. While you will have a high degree of autonomy, collaboration is a core part of the role. You'll work collaboratively with other developers to design and implement changes.

This position is available as a fully remote work schedule.

About Neuron

Neuron, Wilson Sonsini's proprietary software platform, is digitally transforming the legal practice and spearheading a new breed of technology-enabled legal services.

About the Team

  • Collegial, tight-knit team focused on precision and continuous improvement
  • State of the art use of event sourcing, autonomous services, lean process methodology, and testing
  • Supportive, mentorship-driven culture that fosters continuous learning and collaboration
  • High trust environment where team members are encouraged to make independent, high-level contributions from day one

Who You Are

  • You turn conversation starters into user-focused value by engaging stakeholders, identifying problems, then collaboratively designing and delivering solutions
  • You don't jump to conclusions. You seek to understand problems so that the solutions become self-evident
  • You figure out what conditions allowed the problems to happen and solve those too
  • You sweat the small stuff. If a detail feels off, you notice, say something to the team, build consensus on how to fix it, and then fix it
  • You're comfortable giving direction as well as taking it
  • You verify your work is correct as you're doing it

Requirements

  • 7+ years designing, implementing, and testing software
  • Fluency in software design principles
  • Experience with test-driven development
  • Familiarity with service-oriented architecture and distributed system fundamentals
  • Ability to clearly communicate technical concepts to both technical and non-technical audiences
  • Beneficial to have experience with Microservices, Pub/Sub, Event Sourcing, as well as Eventide and Message DB

Technologies

  • Ruby
  • Rails
  • Eventide
  • Message DB
  • PostgreSQL
  • Kubernetes
  • Terraform
  • Azure
The primary location for this job posting is in Palo Alto, but other locations may be listed. The actual base pay offered will depend upon a variety of factors, including but not limited to the selected candidate's qualifications, years of relevant experience, level of education, professional certifications and licenses, and work location. The anticipated pay range for this position is as follows:Palo Alto, New York, San Francisco: $163,200 - $220,800 per year. Austin, Boston, Boulder, Century City, Delaware, Los Angeles, Salt Lake City, San Diego, Seattle, Washington, D.C., and all other locations: $147,050 - $198,950 per year.

The compensation for this position may include a discretionary year-end merit bonus based on performance. We offer a highly competitive salary and benefits package.

Benefits information can be found here. Equal Opportunity Employer (EOE).

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