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Backend Full Stack Engineer Jobs in California (NOW HIRING)

De Circle

Reins - Fullstack Engineer

San Francisco, CA · On-site +1

Full-stack engineer (preferred) * Backend engineer * Product/frontend contributor (optional) Focus areas are prioritized as follows: security & smart contracts, full-stack, backend, and product ...

Perfict

Full stack Engineer

Dublin, CA · On-site

Perfict is a company seeking a Full Stack Engineer to enhance their software capabilities ... The role involves rebuilding legacy systems, developing backend services, and collaborating with ...

Erth.AI Inc.

Full Stack Engineer

San Francisco, CA · On-site

$120K - $150K/yr

We are in search of a dynamic Full-Stack Engineer to work as part of our product and backend engineering initiatives within Dot Earth, a thriving incubator. .Erth is presently deeply involved in ...

Mintex Technology

Full Stack Engineer

San Francisco, CA · On-site

$180K - $210K/yr

Full Stack Engineer Client: AI ERP Company Location: San Francisco Bay Area, CA (Hybrid - 4 Days ... Develop scalable frontend and backend solutions. * Partner with cross-functional teams to deliver ...

Erth.AI Inc.

Full Stack Engineer

San Francisco, CA · On-site

$120K - $150K/yr

We are in search of a dynamic Full-Stack Engineer to work as part of our product and backend engineering initiatives within Dot Earth, a thriving incubator. .Erth is presently deeply involved in ...

Jobsbridge

Full Stack Engineer

Los Angeles, CA

... back end technologies. - Experience using front end JavaScript framework such as AngualrJS and ... Full Stack Engineer with experience using front end JavaScript framework such as AngualrJS and ...

Jobsbridge

Full Stack Engineer

Los Angeles, CA

... back end technologies. - Experience using front end JavaScript framework such as AngualrJS and ... Full Stack Engineer with experience using front end JavaScript framework such as AngualrJS and ...

1 point system

Full Stack Engineer

Fremont, CA · On-site

$50 - $55/hr

Job Title Full Stack Engineer 3-5+ years (Mid-level) - Preferable less than 10 years experience ... Comfortable working across the stack, with any ratio of frontend/backend (e.g., 80% backend/20 ...

NeoSigma

Full-stack engineer

San Francisco, CA · On-site

They are seeking a Full-stack Engineer to build scalable systems, develop backend services, and create high-quality frontend experiences while collaborating with customers and internal teams.

1 point system

Senior Full-Stack Engineer

Irvine, CA · On-site

This is a hands-on, backend-leaning full-stack role requiring end-to-end ownership across design ... Strong full-stack engineering experience with a backend-first focus * Hands-on experience with:

Krew

Full Stack Engineer

San Francisco, CA · On-site

$150K - $250K/yr

We're looking for a (Human) Member of Technical Staff specializing in full-stack engineering. We're ... Design and build backend APIs and services that power our AI agents and operations tooling using ...

Krew Research

Full Stack Engineer

San Francisco, CA · On-site

$150K - $250K/yr

We're looking for a (Human) Member of Technical Staff specializing in full-stack engineering. We're ... Design and build backend APIs and services that power our AI agents and operations tooling using ...

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All JobsBackend Full Stack Engineer JobsBackend Full Stack Engineer Jobs in California

Backend Full Stack Engineer information

What is a backend full stack engineer?

A Backend Full Stack Engineer is a software developer who specializes in building and maintaining the server-side logic, databases, and APIs of an application, while also having proficiency in front-end technologies. They are capable of working on both the backend and frontend parts of web applications, allowing them to develop end-to-end features and ensure seamless integration between the client and server sides. This role requires strong knowledge of programming languages such as JavaScript (Node.js), Python, or Java, as well as familiarity with databases, server architectures, and various web frameworks. Backend Full Stack Engineers often collaborate with designers, frontend developers, and other stakeholders to deliver complete and functional products.

How does a backend full stack engineer typically collaborate with frontend developers and other team members?

Backend Full Stack Engineers frequently work alongside frontend developers, product managers, and QA engineers to deliver seamless user experiences. They are responsible for building and maintaining server-side logic and APIs, ensuring data flows efficiently between the backend and frontend. Effective communication is essential, as they must align backend functionality with frontend requirements and participate in code reviews, sprint planning, and troubleshooting sessions. This collaborative environment fosters learning and often provides opportunities to contribute across the tech stack, enhancing both technical and interpersonal skills.

What are the key skills and qualifications needed to thrive as a backend full stack engineer?

To thrive as a Backend Full Stack Engineer, you need strong proficiency in server-side languages (such as Node.js, Python, or Java), database management, and a solid understanding of front-end technologies, usually supported by a degree in computer science or related experience. Familiarity with frameworks (like Express, Django, or Spring), version control systems (like Git), and cloud platforms (such as AWS or Azure) is typically required. Effective problem-solving, communication, and teamwork skills help you collaborate across disciplines and deliver robust solutions. These skills ensure scalable, maintainable applications and seamless integration between backend and frontend systems, which are critical for organizational success.

What is the difference between Backend Full Stack Engineer vs Frontend Developer?

AspectBackend Full Stack EngineerFrontend Developer
Primary FocusDeveloping server-side logic, databases, and APIsDesigning and implementing user interface and client-side features
Required SkillsProgramming languages like Python, Java, Node.js; databases; server managementHTML, CSS, JavaScript; frameworks like React or Angular
Work EnvironmentOften involved in both front-end and back-end tasks, collaborating across teamsPrimarily focused on client-side development, UI/UX design

While both roles require strong programming skills, Backend Full Stack Engineers handle both server-side and client-side development, whereas Frontend Developers focus mainly on creating engaging user interfaces. Understanding these differences helps employers and job seekers target the right skills and responsibilities for each role.

What are popular job titles related to Backend Full Stack Engineer jobs in California? For Backend Full Stack Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Backend Full Stack Engineer jobs in California look for? The top searched job categories for Backend Full Stack Engineer jobs in California are:
What cities in California are hiring for Backend Full Stack Engineer jobs? Cities in California with the most Backend Full Stack Engineer job openings:
Backend Full Stack Engineer jobs near you
Infographic showing various Backend Full Stack Engineer job openings in California as of August 2026, with employment types broken down into 88% Full Time, 5% Part Time, 2% Temporary, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Senior / Backend Full Stack Engineer

DTEX Systems Inc

Fremont, CA • On-site

Full-time

Re-posted 7 days ago

Job description

About the Job:
DTEX is looking for a Senior Software Engineer with a focus on Python, Django, React and Databases (Postgres and OpenSearch). The Senior Software Engineer will be an integral part of our development team, responsible for building and maintaining web applications that offer seamless user experiences. You will lead projects from conception to release, balancing, and front-end aesthetics with functional backend structures. Your deep understanding of software development, from database structure to client-side responsiveness, will drive the successful delivery of our projects.
What You Will Do:
  • Backend-Focused Full Stack Development
    Lead the design and development of web application features within a full stack web application using Python, Django, React, Postgres, and OpenSearch, while collaborating closely with frontend components built with React.
  • Distributed & Containerized Systems
    Build and operate services in a containerized (e.g., Docker/Kubernetes) cluster environment, supporting deployments across cloud (AWS/GCP) and on-premises infrastructures.
  • Feature Development & Architecture
    Architect and implement scalable, enterprise-grade features such as Access Control and Authorization layers, Data export and reporting capabilities, Enterprise-level customizations and integrations, Hybrid deployment support (cloud + on-prem)
  • Cross-Functional Collaboration
    Work closely with Product and Engineering teams to translate user stories and requirements into robust, scalable solutions. Collaborate across engineering pods to deliver features efficiently.
  • AI-Assisted Development
    Leverage AI-assisted code editors and development tools to improve productivity, accelerate development cycles, and maintain high-quality code standards.
  • Performance, Security & Reliability
    Ensure applications are secure, performant, and compliant with data protection standards. Implement best practices for scaling, monitoring, and reliability.
  • Deployment & Operations Support
    Support deployment, monitoring, and troubleshooting of services in clustered environments, ensuring smooth operations across diverse customer environments.
  • Continuous Learning & Innovation
    Stay current with emerging technologies, frameworks, and architectural patterns, and proactively introduce improvements to team workflows and product capabilities.

We are looking for you if you have/are:
Experience
  • 5+ years of experience in backend development, with a strong focus on Python and/or Django.
  • Proven experience in backend development, with a portfolio of projects demonstrating your skills and creativity.
  • Strong understanding of the development cycle and programming techniques.
  • Proficient in backend development using Python and Django with a solid understanding of GraphQL/REST APIs and web application concepts.
  • Experience with database technology such as PostgreSQL, Elasticsearch, or OpenSearch at large scale is highly recommended.
  • Knowledge of containerization of existing monolith applications or prior experience working with development projects at the top of a containerized platform.
  • Good understanding of identity management, authentication, and authorization features as part of enterprise readiness.
  • Experience in monitoring security concerns associated with web application products.
  • Ability to travel to office two days a week.

Nice to Have:
  • Building and maintaining web applications in containerized environments (Docker, Kubernetes).
  • Designing databases and APIs for complex business problems.
  • Reasoning on engineering designs for highly performant clustered deployments.
  • Strong understanding of the web development cycle and programming techniques.

Bonus Points:
  • Inclination to contribute to AI driven web applications by integrating AI models available as software services.
  • AWS cloud solutions architect or equivalent certifications.

ThispositionisopentoU.S.basedcandidatesonly.
Why Join Us?
  • Impact at Scale - Build and lead DTEX's first sales enablement function, shaping how we scale commercial excellence across the world.
  • Thriving Company Culture - At DTEX, we foster a values-driven environment that prioritizes respect, inclusion, and collaboration.
  • Growth & Development - We believe in lifelong learning and provide opportunities for continuous professional development.
  • Flexibility - Work in a hybrid or remote environment that balances collaboration with autonomy.
  • Comprehensive Benefits - Competitive compensation, equity participation, health and wellness benefits, and generous time-off policies.

About DTEX
DTEX is the leader in risk-adaptive security, unifying human, data, and AI risk through a behavioral intelligence platform. Built for enterprise scale, DTEX detects threats early and prevents breaches before they impact the business.
By analyzing how people, data, and AI systems interact, DTEX surfaces early indicators of risk that other tools miss and provides the context needed to act with precision. The platform brings together insider risk management, risk-adaptive data protection, user and entity behavior analytics, user activity monitoring, and AI risk management into a single, cohesive solution.
Organizations and governments worldwide rely on DTEX to protect sensitive data, enable secure innovation, and safeguard trust. With privacy-by-design telemetry and adaptive controls, security teams can reduce risk without disrupting productivity.
Joining DTEX means working on some of the most complex and high-impact security challenges facing enterprises today.
DTEX is proud to provide equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, gender, religion, sex, national origin, age, disability, or genetics.
Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
Exact compensation may vary based on skills, experience, and location.
Base salary range (SF Bay Area): $170k-$220k.

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