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Sr Full Stack Web Developer Jobs in California (NOW HIRING)

Senior Full Stack Engineer

San Bruno, CA · On-site

$185K - $210K/yr

Lead the technical design and execution of full-stack web applications, ensuring alignment with ... Familiarity with DevOps practices and infrastructure as code (e.g. Terraform, CDK) * Strong ...

Senior Full Stack Engineer

San Bruno, CA · On-site

$185K - $210K/yr

Lead the technical design and execution of full-stack web applications, ensuring alignment with ... Familiarity with DevOps practices and infrastructure as code (e.g. Terraform, CDK) * Strong ...

Lead the technical design and execution of full-stack web applications, ensuring alignment with ... Familiarity with DevOps practices and infrastructure as code (e.g. Terraform, CDK) * Strong ...

Lead the technical design and execution of full-stack web applications, ensuring alignment with ... Familiarity with DevOps practices and infrastructure as code (e.g. Terraform, CDK) * Strong ...

Experience with TypeScript, Webpack, Babel, ESLint, and Jest in modern web development workflows ... Familiarity with version control systems (Git), Agile methodologies, and DevOps practices.

... a Senior Full Stack Engineer to join their team in San Francisco. In this role, you will develop ... Required : • 4+ years of experience in full-stack web development, preferably some at startups ...

... DevOps experience: CI/CD pipelines, deployment automation, and production operations • ... web applications for production use • Monitoring, logging, and alerting for production web ...

Showing results 21-40

Sr Full Stack Web Developer information

What does a Sr Full Stack Web Developer do?

A Sr Full Stack Web Developer is responsible for designing, building, and maintaining both the front-end (client-side) and back-end (server-side) components of web applications. They work with various programming languages, frameworks, and databases to create seamless and efficient user experiences. In addition to coding, they often lead technical projects, mentor junior developers, and help shape the overall architecture of web solutions. Their role requires a deep understanding of both user interface design and server-side logic, ensuring that all parts of a web application function together smoothly.

What are the key skills and qualifications needed to thrive as a Sr Full Stack Web Developer?

To thrive as a Sr Full Stack Web Developer, you need advanced proficiency in both front-end (e.g., HTML, CSS, JavaScript frameworks) and back-end (e.g., Node.js, Python, databases) development, typically supported by a degree in computer science or related experience. Familiarity with tools such as Git, cloud platforms (AWS, Azure), RESTful APIs, and relevant certifications like AWS Certified Developer are commonly required. Strong problem-solving skills, effective communication, and the ability to mentor junior developers are essential soft skills for this role. These competencies ensure you can deliver robust, scalable solutions while collaborating efficiently within multidisciplinary teams.

How does a Sr Full Stack Web Developer typically collaborate with cross-functional teams during a project lifecycle?

As a Sr Full Stack Web Developer, you will frequently collaborate with UX/UI designers, product managers, QA engineers, and sometimes DevOps specialists throughout a project's lifecycle. You may participate in sprint planning, code reviews, and daily stand-ups, ensuring alignment on project goals and technical requirements. Effective communication is key, as you'll often translate business needs into technical solutions and provide guidance to junior developers. This collaborative environment supports the delivery of robust, user-friendly web applications and fosters professional growth through shared knowledge.

What is the difference between Sr Full Stack Web Developer vs Full Stack Web Developer?

AspectSr Full Stack Web DeveloperFull Stack Web Developer
Required Experience5+ years, leadership skills often expected1-3 years, focus on development skills
ResponsibilitiesDesigning complex systems, mentoring, project leadershipBuilding features, coding, debugging
CertificationsOptional, but advanced certifications valuedEntry to mid-level certifications
Work EnvironmentFast-paced, collaborative teams, often in tech companies

The main difference between a Sr Full Stack Web Developer and a Full Stack Web Developer lies in experience, responsibilities, and leadership. Senior developers typically have more experience, handle complex projects, and mentor others, while full stack developers focus on coding and feature development. Both roles are essential in tech industries, but senior roles require a broader skill set and leadership capabilities.

What job categories do people searching Sr Full Stack Web Developer jobs in California look for?

The top searched job categories for Sr Full Stack Web Developer jobs in California are:

What cities in California are hiring for Sr Full Stack Web Developer jobs?

Cities in California with the most Sr Full Stack Web Developer job openings:

Infographic showing various Sr Full Stack Web Developer job openings in California as of August 2026, with employment types broken down into 1% Internship, 76% Full Time, 15% Part Time, 1% Temporary, and 7% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Senior Full Stack Software Engineer

twenty80.io

San Francisco, CA • On-site, Remote

$160K - $210K/yr

Full-time

Medical, Dental, Vision, PTO

Re-posted 21 days ago


Job description

About the Role

A growing technology startup is hiring a Senior Full Stack Software Engineer to help build and scale its core product. This engineer will work across the frontend and backend, contributing directly to customer-facing features as well as internal systems. The role offers a high level of ownership and influence over technical decisions in a fast-paced environment.

This position is well-suited for an engineer who enjoys working closely with product and design, shipping quickly, and improving systems over time.

What You’ll Do
  • Build and maintain full stack web applications used by customers and internal teams

  • Develop scalable backend services and APIs to support product features

  • Implement modern, responsive frontend interfaces with a focus on usability and performance

  • Collaborate with product managers and designers to define requirements and deliver solutions

  • Contribute to architectural decisions and technical roadmap planning

  • Write high-quality, well-tested code and participate in code reviews

  • Help improve engineering processes, tooling, and system reliability

  • Mentor junior engineers and contribute to a strong engineering culture

Tech Environment

The engineering team works with a modern startup stack, including:

  • Frontend: React, TypeScript, Next.js

  • Backend: Node.js (Express or NestJS) and/or Python (Django or FastAPI)

  • Databases: PostgreSQL, Redis

  • Cloud & Infrastructure: AWS or GCP, Docker, CI/CD

  • APIs: REST and GraphQL

  • Tools: Git, GitHub, modern monitoring and logging tools

What We’re Looking For
  • 5+ years of professional software engineering experience

  • Strong full stack experience with modern JavaScript/TypeScript

  • Proven experience building and maintaining backend services and APIs

  • Solid understanding of relational databases and data modeling

  • Experience deploying and operating applications in cloud environments

  • Ability to work independently and take ownership of projects

  • Prior experience in a startup or fast-moving product team is a plus

Compensation & Benefits
  • Base Salary: $160,000 – $210,000 (San Francisco senior-level range)

  • Equity: Competitive equity package

  • Benefits: Medical, dental, vision coverage; flexible PTO; standard startup benefits

  • Work Model: Hybrid or remote-friendly depending on location and team needs

Equal Opportunity

This role is with an equal opportunity employer. Qualified applicants will be considered without regard to race, color, religion, gender, sexual orientation, gender identity, age, disability, or veteran status.