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Senior Software Developer Jobs in Fairfield, CA (NOW HIRING)

Rippletide SAS

Senior Software Engineer

San Francisco, CA · On-site

$120 - $160/hr

  • Medical

  • Dental

  • Vision

Rippletide is hiring a Senior Software Engineer in San Francisco to build the core systems that ... Build developer-facing tooling, integrations, and reference implementations that reduce time-to ...

Jointaro

Senior Software Engineer

San Francisco, CA · On-site

$230 - $265/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As a Senior Software Engineer, you will play a critical role in building, scaling, and maintaining Parafin's financial infrastructure, with opportunities to work across various engineering teams to ...

StubHub

Senior Software Engineer - Supply Platform

San Francisco, CA · Hybrid

$144K - $190K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

StubHub is seeking Senior Software Engineers to design and develop next-generation technologies and complex features that transform the way millions of users explore, interact with, and participate ...

CommodityAI

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

  • Medical

  • Dental

  • Vision

What You'll Do As a Senior Software Engineer, you will own core technical pillars of our operating system, working directly with the founders to scale our infrastructure and AI capabilities: • ...

Finix

Senior Software Engineer

San Francisco, CA · On-site

$150K - $220K/yr

The Sr. Software Engineer role centers around envisioning superior technical solutions to our customers' payment needs, leading its implementation and continuously ensuring reliable service to our ...

Finix

Senior Software Engineer

San Francisco, CA

$150K - $220K/yr

The Sr. Software Engineer role centers around envisioning superior technical solutions to our customers' payment needs, leading its implementation and continuously ensuring reliable service to our ...

Cadre, Inc.

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Company Description We're looking for a Senior Software Engineer that will be a valued team member responsible for the design and implementation of our client's product. Our client is the world ...

Cadre, Inc.

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Company Description We're looking for a Senior Software Engineer that will be a valued team member responsible for the design and implementation of our client's product. Our client is the world ...

Flow Engineering

Senior Software Engineer

San Francisco, CA · On-site

$190K - $250K/yr

  • Medical

  • Dental

  • Vision

About the role Flow is seeking full stack senior software engineers to build AI-powered capabilities that help teams author, review, and manage requirements more effectively. You will work on agentic ...

Finix

Senior Software Engineer

San Francisco, CA · On-site

$150K - $220K/yr

The Sr. Software Engineer role centers around envisioning superior technical solutions to our customers' payment needs, leading its implementation and continuously ensuring reliable service to our ...

Heartflow

Senior Software Engineer

San Francisco, CA · On-site

$180K - $215K/yr

As a Senior Software Engineer, you will help design and build the architecture and data modeling for a next-generation distributed system that seamlessly and securely integrates HeartFlow's cloud ...

PayZen

Senior Software Engineer

San Francisco, CA · On-site

$190K - $225K/yr

About the Role We are looking for a Senior Software Engineer - an individual contributor who owns a product surface end-to-end. At this level, you work independently on your surface and are guided on ...

Technacity Group

Senior Software Engineer

Concord, CA · On-site

$133K - $176K/yr

They are seeking a Senior Software Engineer to design, build, and scale their core platform, working closely with the CTO and influencing engineering culture while delivering mission-critical systems.

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All JobsSoftware Developer JobsSenior Software Developer JobsSenior Software Developer Jobs in Fairfield, CA

Senior Software Developer information

See Fairfield, CA salary details

$15

$62

$89

How much do senior software developer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for senior software developer in Fairfield, CA is $62.82, according to ZipRecruiter salary data. Most workers in this role earn between $53.32 and $70.43 per hour, depending on experience, location, and employer.

What skills and qualifications are needed to thrive as a senior software developer?

To thrive as a Senior Software Developer, you need deep expertise in programming languages, software architecture, and problem-solving, typically backed by a bachelor’s degree in computer science or a related field. Proficiency with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is standard, and certifications in these areas can be beneficial. Leadership, strong communication, and mentoring abilities set standout candidates apart in this role. These skills ensure that complex projects are delivered efficiently, code quality is maintained, and junior team members are effectively guided for overall team success.

What does a senior software developer do?

As a Senior Software Developer, you’ll typically be responsible for leading complex development projects, designing technical solutions, and mentoring junior team members. Daily tasks often include writing and reviewing code, participating in architecture discussions, collaborating with cross-functional teams (such as QA, product management, and DevOps), and troubleshooting high-level technical issues. You may also be involved in setting coding standards, conducting code reviews, and helping to plan sprints or project roadmaps.

What is a senior software developer?

Senior Software Developers are experienced professionals who design, develop, and maintain complex software applications. They often lead development teams, mentor junior developers, and make critical architectural decisions. Their responsibilities include writing high-quality code, troubleshooting technical issues, and ensuring that software projects meet performance and security standards. With deep expertise in programming languages and software engineering principles, they play a key role in delivering successful technology solutions for organizations.

What is the difference between Senior Software Developer vs Software Engineer?

AspectSenior Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's or higher in CS or related field; similar experience levels
Work EnvironmentCollaborates on complex projects, mentors juniors, leads technical effortsDesigns, develops, tests software; may work on specific modules or systems
Industry UsageCommonly used in tech companies, startups, and enterprise firmsWidely used across industries, often interchangeable with developer roles

The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

More about Senior Software Developer jobs
What are the most commonly searched types of Software Developer jobs in Fairfield, CA? The most popular types of Software Developer jobs in Fairfield, CA are:
What are popular job titles related to Senior Software Developer jobs in Fairfield, CA? For Senior Software Developer jobs in Fairfield, CA, the most frequently searched job titles are:
What job categories do people searching Senior Software Developer jobs in Fairfield, CA look for? The top searched job categories for Senior Software Developer jobs in Fairfield, CA are:
What cities near Fairfield, CA are hiring for Senior Software Developer jobs? Cities near Fairfield, CA with the most Senior Software Developer job openings:
Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Fairfield, CA as of August 2026, with employment types broken down into 1% Internship, 84% Full Time, 12% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $130,671 per year, or $62.8 per hour.

Senior Software Engineer

Rippletide SAS

San Francisco, CA • On-site

$120 - $160/hr

Other

Medical, Dental, Vision

Posted 7 days ago

Job description

Rippletide is hiring a Senior Software Engineer in San Francisco to build the core systems that power our Decision Context Graph — the enforcement and auditability layer that makes enterprise AI agents production-ready. You will work on performance-critical backend infrastructure, APIs, and SDKs used by engineering teams at some of the world's most demanding organizations. This is a high-ownership role on a small, talented team building at the frontier of AI infrastructure.

What You'll Do
  • Architect and implement the backend services, APIs, and SDKs that form the core of Rippletide's Decision Context Graph platform.
  • Own end-to-end reliability and performance of your systems — from design to deployment to on-call support.
  • Collaborate with the Research team to translate neuro-symbolic AI breakthroughs into production-ready components.
  • Build developer-facing tooling, integrations, and reference implementations that reduce time-to-value for enterprise customers.
  • Participate in architecture reviews, engineering planning, and cross-functional technical conversations as a senior contributor.
  • Work closely with the Solutions Engineering team to troubleshoot complex customer deployments and drive feedback into the product.
What We're Looking For
  • 5+ years of professional software engineering experience with deep proficiency in Python, Go, Rust, or C++.
  • Track record of shipping and maintaining complex distributed systems in production at scale.
  • Strong grasp of graph data structures, inference algorithms, or knowledge representation is a meaningful plus.
  • Experience building public APIs and developer-facing SDKs; you think about ergonomics and developer experience.
  • Self-directed, comfortable with ambiguity, and energized by working on systems with real enterprise stakes.
  • Based in or willing to relocate to San Francisco.
  • Entrepreneur mindset — you treat problems as opportunities, take ownership instinctively, and move with urgency.
Nice to Have
  • Background in AI/ML infrastructure, LLM tooling, or agent orchestration platforms.
  • Experience with graph databases or distributed knowledge representation systems.
  • Open-source contributions or technical writing in a relevant domain.
  • Previous experience as a founder or co-founder.
What We Offer
  • Competitive salary and meaningful early-employee equity.
  • A front-row seat to the enterprise AI revolution — your systems will run inside critical workflows at major organizations.
  • San Francisco office at 2 Embarcadero with flexible remote options.
  • Full US benefits including health, dental, and vision.
  • Learning budget for conferences, research, and open-source contributions.
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