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Back End Developer Jobs in California (NOW HIRING)

Dodo

Senior Backend Developer (NodeJS)

San Francisco, CA · On-site

$142K - $184K/yr

They are seeking a Senior Backend Developer to architect and build scalable backend services, design APIs, and develop real-time voice AI systems for healthcare applications. Responsibilities : • ...

Surefront

$129K - $168K/yr

We are looking for an experienced Senior Backend Developer to help lead efforts on the back end of our enterprise-grade system. In this role, you will work closely with members of the engineering and ...

Stefanini

Senior Backend Developer

Palo Alto, CA · On-site

$142K - $184K/yr

Stefanini is looking for a Backend Developer (Palo Alto, CA) For quick apply, please reach out to Fardeen Ali at / We are looking for candidate who will develop and maintain the back-end/ server-side ...

Also, Inc.

Staff Cloud Backend Developer

Palo Alto, CA · On-site

$170K - $210K/yr

As a Staff Backend Developer on the Also backend team, you will drive technical excellence and architectural decisions for our core infrastructure that delivers an excellent customer experience on ...

ApTask

Senior Java Backend Developer

Mountain View, CA · On-site

$143K - $186K/yr

They are seeking a Senior Java Backend Developer to design, develop, and maintain robust backend services using Java and Spring Boot, while implementing microservices-based solutions and ...

E2B

Product Engineer - Backend Developer

San Francisco, CA · On-site

$175K - $350K/yr

You're the backend counterpart to our dashboard engineers: they own the experience, you own the services and data behind it, and together you ship product end-to-end. This is product/application ...

ALSO

Staff Cloud Backend Developer

Palo Alto, CA · On-site

$170K - $210K/yr

As a Staff Backend Developer on the ALSO backend team, you'll drive technical excellence and architectural decisions for the core infrastructure behind the customer experience on ALSO's flagship ...

InterSources Inc

Java Back-End Developer

Mountain View, CA · On-site

$60.75 - $78.50/hr

They are seeking a Java Back-End Developer to work onsite in Mountain View, CA, focusing on core Java technologies and software development. Qualifications : Required : • Core Java • Spring Boot ...

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How much do back end developer jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for back end developer in California is $56.98, according to ZipRecruiter salary data. Most workers in this role earn between $46.73 and $67.36 per hour, depending on experience, location, and employer.

What is a back end developer?

A Back End Developer is a programmer who specializes in building and maintaining the server-side logic, databases, and application functionality that power websites and web applications. Unlike front end developers, who focus on the visual and interactive elements users see, back end developers work behind the scenes to ensure data is stored, processed, and delivered correctly. They typically use programming languages like Python, Java, Ruby, or PHP, and interact with databases such as MySQL or MongoDB. Their work is crucial for making sure applications run smoothly, securely, and efficiently.

What is a back end developer?

A back end developer is a computer science professional who specializes in functionality that takes place on the server side or backend. As a back end developer, you write code to create software that solves a business need. Your responsibilities are to research the needs of either your employer, or a particular industry, find a problem, and create a software solution. A back end developer differs from a traditional web developer, or front end developer, in that back-end software may not have a user interface or even have exposure to the web.

What are the key skills and qualifications needed to thrive as a back end developer?

To thrive as a Back End Developer, you need strong programming skills in languages like Java, Python, or Node.js, along with a solid understanding of databases and API design, typically supported by a degree in computer science or related experience. Familiarity with frameworks such as Spring or Django, version control systems like Git, and cloud platforms (e.g., AWS or Azure) is often required, with certifications in these areas considered beneficial. Problem-solving, effective communication, and teamwork are crucial soft skills that help developers collaborate and address complex technical challenges. These competencies are vital for building reliable, scalable systems that support front-end applications and ensure robust product performance.

What are some common challenges back end developers face when integrating with front-end teams?

Back End Developers often encounter challenges when aligning data structures and APIs with front-end requirements, especially as user interface needs evolve rapidly during development. Effective communication and regular collaboration with front-end developers are essential to ensure that endpoints, data formats, and error handling are well-coordinated. Additionally, maintaining consistent documentation and using tools like Swagger or Postman can help streamline integration and reduce misunderstandings between teams.

What is the difference between Back End Developer vs Front End Developer?

AspectBack End DeveloperFront End Developer
Primary FocusServer-side logic, databases, APIsUser interface, website layout, client-side scripting
Skills & TechnologiesLanguages like Java, Python, Ruby; databases; server managementHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentBackend systems, server environments, cloud platformsDesign tools, browser testing, UI/UX design
Common CertificationsCertified Web Developer, AWS Certified DeveloperCertified Front End Developer, UI/UX certifications

Back End Developers focus on server-side logic, databases, and APIs, ensuring the website's functionality behind the scenes. Front End Developers work on the visual and interactive aspects users see and interact with. Both roles are essential in web development, often collaborating to create seamless digital experiences.

Is back end developer in demand?

Back end developers are in high demand due to the growth of web applications and digital services. Skills in programming languages like Python, Java, or Node.js, along with knowledge of databases and APIs, are highly sought after by employers across various industries.
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Back End Developer jobs near you
Infographic showing various Back End Developer job openings in California as of September 2026, with employment types broken down into 1% As Needed, 62% Full Time, 33% Part Time, 1% Temporary, and 3% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $118,514 per year, or $57 per hour.

Product Engineer - Backend Developer

San Francisco, CA • On-site

E2B
See more jobs at E2Bexternal

Other

Medical, Dental, Vision, Retirement, PTO

Re-posted 24 days ago

Job description

About E2B

E2B is a fast-growing Series A startup with 8-figure revenue. We\'ve raised over $37M since our founding in 2023. Our customers include companies like Microsoft, Perplexity, Hugging Face, Manus, and Groq. We\'re building the next hyperscaler for AI agents.

About the role

Your job will be to own and scale the backend that powers the E2B Dashboard and SDK - the APIs, data, and services developers rely on to run, monitor, and debug their sandboxes. You\'re the backend counterpart to our dashboard engineers: they own the experience, you own the services and data behind it, and together you ship product end-to-end.

This is product/application backend - APIs, data layer, auth, billing, usage metrics, real-time log/metric pipelines. It is not our low-level infrastructure (Firecracker, orchestration, the sandbox runtime) - that lives with our Core and Platform teams, who you\'ll integrate with but not duplicate.

The split is roughly 80% Go backend, 20% TypeScript. You live in Go, but you\'re comfortable dropping into the Next.js app to wire things up end-to-end and unblock the frontend rather than throwing work over a wall.

You\'ll build enterprise-grade services that scale to 100k+ weekly active users. Responsibilities include:

  • Owning the Go services behind the dashboard and SDK. APIs, data models, and the contracts the frontend builds on

  • Designing auth/authorization, billing, and usage-metering surfaces

  • Building the real-time backends (WebSockets, SSE) that feed sandbox logs and metrics to the dashboard

  • Optimizing data access and server-side performance like query design, caching, response times

  • Partnering closely with dashboard engineers to ship features end-to-end, and with Core/Platform on the boundaries where product meets infrastructure

  • Making architectural decisions around observability, testing, and security best practices

This role requires a high amount of ownership and the ability to take projects from 0 to 1. You\'ll have deep autonomy to make backend and product decisions. If you see a better way to build something, you build it.

What we\'re looking for

  • 3-5+ years shipping production backend services, with deep expertise in Go

  • Strong API design with REST/RPC, contracts, versioning, and an eye for the interface the frontend needs

  • Solid with PostgreSQL: schema design, query optimization, migrations, and reasoning about data at scale

  • Backend fundamentals: authentication/authorization, server-side performance, and building real-time data flows (WebSockets, SSE)

  • Working TypeScript(Next.js is a plus) competence. You won\'t live here, but you can move into the app-router frontend to wire up a feature end-to-end and not be lost

  • Understand data fetching patterns on frontend side

  • Excited to work in person from Prague on a devtool product

  • Ownership mentality: you see projects through from conception to launch to iteration

  • Comfortable talking to customers and explaining technical tradeoffs

  • Not being afraid to take ownership of your part of the product

  • Great communication, curiosity, and interest in the AI space

If you join E2B, you\'ll get a lot of freedom. We expect you to be proactive and take ownership. You\'ll be taking projects from 0 to 1 with the support of the rest of the team.

What it’s like to work at E2B

We’re a fast-growing startup with in-person (4 days on-site, 1 day WFH) offices in San Francisco and Prague, Czech Republic. We already generate 8-figure revenue and work directly with top-tier AI companies like Groq, Manus, Hugging Face, Lindy, and other exciting teams pushing the frontier of AI.

We offer healthcare, vision, and dental insurance, unlimited PTO, 401k, and a variety of perks for in-office employees.

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