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Sr Fullstack Developer Jobs in California (NOW HIRING)

D3

Sr. Fullstack Engineer

Los Angeles, CA

We are seeking a highly skilled and experienced Senior Fullstack Engineer to join our team. In this ... Experience with NestJS, GraphQL . * DevOps experience (Kubernetes, AWS, GCP, DigitalOcean, Linux)

Internet Brands

Senior AI Engineer

El Segundo, CA · On-site +1

$100/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Fullstack Engineer: Agentic Infrastructure Team Internet Brands is looking for a Senior Fullstack Engineer to join our Agentic AI team. You'll help build our AI capabilities from the ground up ...

Internet Brands

Senior AI Engineer

El Segundo, CA · On-site

$100/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Description Senior Fullstack Engineer: Agentic Infrastructure Team Internet Brands is looking for a Senior Fullstack Engineer to join our Agentic AI team. You'll help build our AI capabilities from ...

Snowflake Inc.

Senior Fullstack Engineer

Menlo Park, CA · On-site

$144K - $190K/yr

We are looking for a senior+ level full-stack engineer to help build this experience end to end. This is not about recreating every long-tail feature from legacy BI tools. We are building something ...

Apex Systems

Sr. Fullstack Engineer

Burlingame, CA · On-site

$150K - $188K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Contract Role Overview We are seeking a Senior Mobile Developer with deep expertise in Android application development using Kotlin. This individual will design, build, and maintain high-performance ...

New

NimbleRx

Senior Fullstack Engineer

Redwood City, CA · On-site

$205K - $240K/yr

As a Senior Full-Stack Engineer , you will have a hand in architecting the technology and customer experience that are pivotal to multiple web products for patients, pharmacies and other customers of ...

Snowflake

Senior Fullstack Engineer

Menlo Park, CA · On-site

$200K - $287K/yr

We are looking for a senior+ level full-stack engineer to help build this experience end to end. This is not about recreating every long-tail feature from legacy BI tools. We are building something ...

LiveRamp

Senior Fullstack Software Engineer

San Francisco, CA · On-site

$150 - $210/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

## Senior Fullstack Software EngineerApplylocations: San Francisco: New York: Seattle: Little Rocktime ... LiveRamp is looking for a Senior Software Engineer to help shape the next generation of Data ...

Fiserv, Inc.

Sr. Full Stack Developer

Sunnyvale, CA · On-site

$140K - $210K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

As a Senior Fullstack Engineer on the Loyalty Program team, you will help improve and expand our platform by building applications, creating new features, and re-architecting systems for better ...

Fuku

Senior Software Engineer

San Francisco, CA · On-site

$180K - $220K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

About the Role - Senior Software Engineer As a Senior Fullstack Engineer, you will: - Lead and own large parts of the product, taking features from ideation to implementation and scaling - Balance ...

Monitise

Sr. Full Stack Developer

Sunnyvale, CA · On-site

$140K - $210K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

As a Senior Fullstack Engineer on the Loyalty Program team, you will help improve and expand our platform by building applications, creating new features, and re-architecting systems for better ...

Fuku

Senior Software Engineer

San Francisco, CA · Hybrid

$180K - $220K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

About the Role - Senior Software Engineer As a Senior Fullstack Engineer, you will: * L ead and own large parts of the product, taking features from ideation to implementation and scaling * B alance ...

NimbleRx

Senior Fullstack Engineer

Redwood City, CA · On-site

NimbleRx is a healthtech company on a mission to simplify access, understanding and management of healthcare. As a Senior Full-Stack Engineer, you will architect technology and customer experiences ...

Rhoda AI

Senior Fullstack Engineer

Palo Alto, CA · On-site

$150 - $240/hr

Design and maintain backend services and APIs that support fast-moving research and engineering workflows across cloud, robot, and data infrastructure * Build tooling and dashboards for observability ...

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Sr Fullstack Developer information

What is a Sr Fullstack Developer?

A Sr Fullstack Developer is an experienced software engineer who is proficient in both frontend and backend development. They work with a variety of programming languages, frameworks, and databases to build fully functional web applications. In addition to coding, senior fullstack developers often lead projects, mentor junior developers, and help make architectural decisions. Their broad skill set allows them to handle tasks across the entire technology stack, ensuring that applications are efficient, scalable, and user-friendly.

What are some typical challenges a Sr Fullstack Developer faces when balancing front-end and back-end responsibilities?

Sr Fullstack Developers often need to juggle tasks across both the front-end and back-end, which can be challenging when priorities shift quickly or deadlines are tight. Balancing deep technical knowledge in multiple frameworks and languages while ensuring seamless integration requires strong organizational skills and effective communication with both UI/UX designers and backend engineers. Additionally, staying updated with evolving technologies on both ends is crucial, so time management and continuous learning are key to success in this role.

What are the key skills and qualifications needed to thrive as a Sr Fullstack Developer, and why are they important?

To thrive as a Sr Fullstack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, typically supported by a computer science degree or equivalent experience. Familiarity with tools such as Git, Docker, CI/CD pipelines, cloud platforms, and relevant certifications like AWS Certified Developer or similar are often expected. Strong problem-solving abilities, effective communication, and a collaborative mindset are vital soft skills for this role. These competencies enable developers to deliver robust, scalable solutions and effectively drive projects to completion in dynamic team environments.

What is the difference between Sr Fullstack Developer vs Backend Developer?

AspectSr Fullstack DeveloperBackend Developer
Required SkillsProficiency in both frontend (JavaScript, HTML, CSS) and backend (Node.js, Python, Java)Specialized in server-side languages and database management
Work EnvironmentWorks on both client-facing and server-side componentsFocuses primarily on backend systems and APIs
Common UsageUsed across full product development teamsPrimarily in backend-focused roles within development teams

The main difference between a Sr Fullstack Developer and a Backend Developer is the scope of expertise. A Sr Fullstack Developer handles both frontend and backend tasks, while a Backend Developer specializes in server-side development. Both roles require strong programming skills, but the Fullstack role demands broader knowledge across the entire application stack.

What are popular job titles related to Sr Fullstack Developer jobs in California?

For Sr Fullstack Developer jobs in California, the most frequently searched job titles are:

What job categories do people searching Sr Fullstack Developer jobs in California look for?

The top searched job categories for Sr Fullstack Developer jobs in California are:

What cities in California are hiring for Sr Fullstack Developer jobs?

Cities in California with the most Sr Fullstack Developer job openings:

Sr Fullstack Developer jobs near you
Infographic showing various Sr Fullstack Developer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 6% Part Time, 2% Temporary, and 4% Contract. Highlights an 84% Physical, 6% Hybrid, and 10% Remote job distribution.

Senior Java backend Developer

Ruri Software Technologies LLC

Mountain View, CA • On-site

$67.50 - $86/hr

Full-time

Re-posted 29 days ago

Job description

Hi All,
We have 2 Positions available for Java Fullstack and Java Backend Developer if you have any profile please share
Sr. Java Fullstack Developer and Java Backend Developer
Location : Mountain View, CA (Hybrid)
Job Description / Responsibilities:
  • Design, develop, and maintain complex Java-based applications across the full stack, including front-end, back-end, and database layers.
  • A minimum of 9+ years of experience in Java / J2EE Technologies.
  • A minimum of 5+ in JavaScript, HTML, CSS, and develop user interfaces using modern front-end technologies (React, Angular, Node, Typescript).
  • In-depth knowledge on Spring frameworks such as Spring Boot with micro-services, Spring-Security, Spring MVC, Spring Data and JPA, must have hands on experience in Spring reactive and Spring WebFlux.
  • Strong understanding of database technologies in SQL, NoSQL Database. Experience with Cockroach DB or similar distributed SQL databases is preferred.
  • Knowledge of Apache Kafka and Kubernetes is preferred.
  • Proficiency in Cloud Architectures (AWS, Azure, GCP) and Container Security.
  • Comfortable with Continuous Integration/Continuous Delivery tools and pipelines like Jenkins, Cloud Build, Terraform, etc.

Regards,
Venkata Surya
Email: surya@rurisoft.com

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