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Software Engineer Fullstack Jobs in California (NOW HIRING)

About the role We are hiring for Staff Software Engineers, Fullstack (with a frontend lean) to join several teams across the Oscar Engineering organization. In this role, you will lead technical ...

New

As a Software Engineer you'll contribute with increasing autonomy while partnering closely with UX, Product, Data Science, QA, and other engineers. You'll help break down ambiguous problems, make ...

New

We're looking for a highly motivated and experienced Software Engineer to join OneCrew's quickly growing team. You'll play an instrumental role in defining and building out the product and platform ...

Bachelor's degree in Computer Science, Engineering, or a related technical field (or equivalent practical experience) * 3+ years of software engineering experience, with a focus on front end ...

Role Overview We are looking for a Staff Software Engineer - Fullstack to act as a senior technical leader across our engineering organization. This is a high-impact individual contributor role ...

Role Overview We are looking for a Staff Software Engineer - Fullstack to act as a senior technical leader across our engineering organization. This is a high-impact individual contributor role ...

About the Role Factory is looking for highly capable systems-oriented engineers to develop our core platform infrastructure that powers our enterprise-grade development tools and services. This role ...

Glean is looking for creative engineers to own and launch delightful user facing features. In a rapidly growing startup, this entails developing ideas with product managers and designers to best ...

Glean is looking for creative engineers to own and launch delightful user facing features. In a rapidly growing startup, this entails developing ideas with product managers and designers to best ...

As a Full Stack Engineer, you will architect and build high-performance applications that power AI-driven insights. You will work across the stack, from crafting sleek front-end experiences to ...

New

Showing results 21-40

Software Engineer Fullstack information

See California salary details

$42.5K

$142.5K

$197.1K

How much do software engineer fullstack jobs pay per year?

As of Aug 21, 2026, the average yearly pay for software engineer fullstack in California is $142,522.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,400.00 and $164,900.00 per year, depending on experience, location, and employer.

What is a software engineer fullstack?

A Software Engineer Fullstack is a professional who develops and maintains both the front-end (client side) and back-end (server side) components of web applications. They are proficient in a range of technologies, including user interface design, server programming, databases, and APIs. This role requires a broad understanding of how web applications work from end to end, enabling them to build complete, functional products. Fullstack engineers are valuable for their versatility and ability to collaborate across different areas of a development project.

What are the key skills and qualifications needed to thrive as a software engineer fullstack?

To thrive as a Software Engineer Fullstack, you need strong proficiency in both front-end (e.g., JavaScript, HTML/CSS, frameworks like React or Angular) and back-end (e.g., Node.js, Python, Java, databases) development, typically supported by a degree in computer science or related experience. Familiarity with version control systems like Git, CI/CD pipelines, cloud services, and relevant certifications (such as AWS Certified Developer or similar) is highly beneficial. Effective problem-solving, communication, and teamwork skills help you collaborate across multidisciplinary teams and adapt to evolving project requirements. These combined skills ensure you can build, maintain, and optimize complete web applications that meet both user and business needs.

How does a software engineer fullstack typically collaborate with other team members during a project?

Fullstack Software Engineers often work closely with both frontend and backend specialists, designers, and product managers to deliver end-to-end solutions. They participate in agile ceremonies such as daily stand-ups, sprint planning, and code reviews, ensuring alignment across the development process. Effective communication and cross-functional collaboration are key, as fullstack engineers bridge the gap between user-facing features and backend services. This collaborative environment helps foster continuous learning and exposure to diverse technologies.
Infographic showing various Software Engineer Fullstack 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 $142,522 per year, or $68.5 per hour.

Staff Software Engineer, Fullstack

Namely

Los Angeles, CA • On-site

$192 - $252/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 3 days ago

New


Job description

Hi, we’re Oscar. We’re hiring Staff Software Engineers to join our Engineering team.

Oscar is the first health insurance company built around a full stack technology platform and a focus on serving our members. We started Oscar in 2012 to create the kind of health insurance company we would want for ourselves—one that behaves like a doctor in the family.

About the role

We are hiring for Staff Software Engineers, Fullstack (with a frontend lean) to join several teams across the Oscar Engineering organization.

In this role, you will lead technical efforts to build reliable and maintainable applications, infrastructure, and interfaces that make interacting with the health care system easier for both members and providers.

You will report into a leader within the Engineering Organization (Associate Director+).

Work Location:

Oscar is a blended work culture where everyone, regardless of work type or location, feels connected to their teammates, our culture and our mission.

This is a hybrid position, you will need to live within commutable distance to our New York City office (in Hudson Square), our Tempe office (off the 101 at University Dr), or our Los Angeles office (in Marina Del Rey), and will be expected to come into the office at least two days each week. #LI-Hybrid

Pay Transparency: The base pay for this role in is: $192,000 - $252,000 per year. You are also eligible for employee benefits, participation in Oscar’s unlimited vacation program, company equity grants, and annual performance bonuses.

Responsibilities
  • Serve as the subject matter expert on business and technical domains.
  • Lead the planning, execution and release of complex technical projects across multiple teams, including owning medium to large features or infrastructure projects from technical design through completion.
  • Work with partners, product managers, and designers to solve challenging problems.
  • Lead and mentor engineers and engineering teams to improve technology, apply best practices and set overall team direction.
  • Responsible for ensuring the team’s delivery of large or complex technology capabilities (set of components or services) within their team’s domain or spanning multiple domains.
  • Facilitate, encourage, and enhance a culture of collaboration within the engineering team and its internal customers; recognizing when cross-team projects are at risk and actively mitigate risk to deliver on time.
  • Prolific contributor to the objectives of their functional group, and plays a key role in driving outcomes for organization-wide projects.
  • Work with leadership to assign prioritization of technical roadmap and influence prioritization of product roadmap and process enhancements within their area and across related areas.
  • Actively identifies and reduces failure domains while working with their team to do the same.
  • Builds software to minimize effort and business impact during maintenance and failures.
  • Guide the development of Service-Level Objectives (SLOs) for systems they and their team are responsible for.
  • Compliance with all applicable laws and regulations.
  • Other duties as assigned.
Qualifications
  • 7+ years of professional software engineering experience
  • 5+ years of experience as a leader of cross-pod or cross-company deliverables
  • 5+ years of experience leading technical contributions, improving the quality of what your teams create
  • 5+ years of experience with practical application of CS concepts within their team.
  • 5+ years of experience setting and enforcing the standard for writing stable, correct, and maintainable code
  • 5+ years of experience leading technical teams including mentoring and training more junior engineers.

This is an authentic Oscar Health job opportunity. Learn more about how you can safeguard yourself from recruitment fraud here.

At Oscar, being an Equal Opportunity Employer means more than upholding discrimination-free hiring practices. It means that we cultivate an environment where people can be their most authentic selves and find both belonging and support. We’re on a mission to change health care -- an experience made whole by our unique backgrounds and perspectives.

Pay Transparency: Final offer amounts, within the base pay set forth above, are determined by factors including your relevant skills, education, and experience. Full-time employees are eligible for benefits including: medical, dental, and vision benefits, 11 paid holidays, paid sick time, paid parental leave, 401(k) plan participation, life and disability insurance, and paid wellness time and reimbursements.

Reasonable Accommodation: Oscar applicants are considered solely based on their qualifications, without regard to applicant’s disability or need for accommodation. Any Oscar applicant who requires reasonable accommodations during the application process should contact the Oscar Benefits Team (accommodations@hioscar.com) to make the need for an accommodation known.

Artificial Intelligence (AI) Guidelines: Please see our AI Guidelines for the acceptable use of artificial intelligence during the interview process at Oscar.

California Residents: For information about our collection, use, and disclosure of applicants’ personal information as well as applicants’ rights over their personal information, please see our Notice to Job Applicants.

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