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

Britive

Senior Software Engineer

San Francisco, CA · On-site +1

$144K - $190K/yr

About You You are a passionate Senior Software Engineer who wants to develop and scale our multi ... AWS Certified Developer certification is highly desired. * Prior experience with Big Data ...

Technacity Group

Senior Software Engineer

Concord, CA · On-site

$134K - $177K/yr

Senior Software Engineer, Backend / Full Stack Cytronic | Concord, CA | Hybrid Cytronic is building the software and robot-powered operations behind modern fulfillment, warehousing, and logistics. We ...

Technacity Group

Senior Software Engineer

Concord, CA · On-site

$134K - $177K/yr

Senior Software Engineer, Backend / Full Stack Cytronic | Concord, CA | Hybrid Cytronic is building the software and robot-powered operations behind modern fulfillment, warehousing, and logistics. We ...

Fuku

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

Senior Software Engineer Location: San Francisco, CA (required 5 days/week in-office) Type ... I mprove internal tooling, developer experience, and performance * M entor junior engineers and ...

Fuku

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

Senior Software Engineer Location: San Francisco, CA (required 5 days/week in-office) Type ... developer experience, and performance - Mentor junior engineers and help shape engineering best ...

Jointaro

Senior Software Engineer

San Francisco, CA · On-site

$230 - $265/hr

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 ...

VuMedi Inc.

Senior Software Engineer

Oakland, CA

$140K - $185K/yr

What you'll do: We're looking for a Senior Software Engineer to lead the next evolution of Vumedi's product architecture and technical direction. This is a hands-on, high-impact role - shaping how ...

Rippletide SAS

Senior Software Engineer

San Francisco, CA · On-site

$120 - $160/hr

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 ...

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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 Sep 2, 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 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 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 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 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 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 83% Full Time, 10% Part Time, and 7% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $130,671 per year, or $62.8 per hour.

Senior Software Engineer - Flight Software

Astranis

San Francisco, CA • On-site

$144K - $190K/yr

Full-time

Re-posted 8 days ago

Job description

Senior Flight Software Engineer

As a Senior Software Engineer - Embedded at Astranis, you will be responsible for assisting with architecture, high level design choices, development, execution, and implementation of the flight software that commands and monitors the spacecraft. Additionally, you will mentor junior members and collaborate with other teams to ensure that the software you've implemented works on their hardware.

This role will contribute to both commercial and US Government programs. 

Role
  • Develop Software for the Flight Computer on our Satellites
  • Develop Firmware for control boards on the satellite
  • Improve and deliver reliable software through requirements generation, continuous integration, automated testing and code reviews
  • Collaborate with multiple teams (avionics, Ground Control, Telemetry)
  • Develop software in C++ to interface with Flight computer and interface with the custom hardware on the vehicle
  • Deliver complex projects through incremental development
  • Mentor junior engineers
Requirements
  • 5-8+ years of experience developing software for products in modern C++ OR C
  • Familiarity with Software Development Methodologies and Design Patterns
  • Experience with working on Communication Protocols (TCP/IP, I2C, SPI)
  • Good Communication and Written Skills
  • Passionate about Space Technology
  • Experience with Building High Availability/High Reliability systems.
Bonus
  • Experience with embedded Linux / POSIX systems
  • Experience with Python
  • Experience developing on and for VxWorks, Linux, FreeRTOS, or QNX Environments
  • Demonstrated experience building, testing, and shipping production software
  • Experience with safety critical development (FDA, FAA, Automotive)
  • Experience Board Bringup, debugging / Integration of Hardware Software

Apply